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Real-time correlation for locating systems utilizing heterogeneous computing architectures The usage of locating systems in sports (e.g. soccer) elevates match and training analysis to a new level. By tracking players and balls during matches or training, the performance of players can be analyzed, the training can be ... | Efficiently computing static single assignment form and the control dependence graph In optimizing compilers, data structure choices directly influence the power and efficiency of practical program optimization. A poor choice of data structure can inhibit optimization or slow compilation to the point that advanced opti... | The weakest failure detector for solving consensus We determine what information about failures is necessary and sufficient to solve Consensus in asynchronous distributed systems subject to crash failures. In Chandra and Toueg (1996), it is shown that {0, a failure detector that provides surprisingly little information... | Chord: A scalable peer-to-peer lookup service for internet applications A fundamental problem that confronts peer-to-peer applications is to efficiently locate the node that stores a particular data item. This paper presents Chord, a distributed lookup protocol that addresses this problem. Chord provides support for ju... | Database relations with null values A new formal approach is proposed for modeling incomplete database information by means of null values. The basis of our approach is an interpretation of nulls which obviates the need for more than one type of null. The conceptual soundness of this approach is demonstrated by general... | The Anatomy of the Grid: Enabling Scalable Virtual Organizations "Grid" computing has emerged as an important new field, distinguished from conventional distributed computing by its focus on large-scale resource sharing, innovative applications, and, in some cases, high performance orientation. In this article, the aut... | McPAT: An integrated power, area, and timing modeling framework for multicore and manycore architectures This paper introduces McPAT, an integrated power, area, and timing modeling framework that supports comprehensive design space exploration for multicore and manycore processor configurations ranging from 90 nm to 22... | Distributed Optimization and Statistical Learning via the Alternating Direction Method of Multipliers Many problems of recent interest in statistics and machine learning can be posed in the framework of convex optimization. Due to the explosion in size and complexity of modern datasets, it is increasingly important to ... | Skip graphs Skip graphs are a novel distributed data structure, based on skip lists, that provide the full functionality of a balanced tree in a distributed system where resources are stored in separate nodes that may fail at any time. They are designed for use in searching peer-to-peer systems, and by providing the ab... | The complexity of data aggregation in directed networks We study problems of data aggregation, such as approximate counting and computing the minimum input value, in synchronous directed networks with bounded message bandwidth B = Ω(log n). In undirected networks of diameter D, many such problems can easily be solved i... | A Local Passive Time Interpolation Concept for Variation-Tolerant High-Resolution Time-to-Digital Conversion Time-to-digital converters (TDCs) are promising building blocks for the digitalization of mixed-signal functionality in ultra-deep-submicron CMOS technologies. A short survey on state-of-the-art TDCs is given. A... | Area- and Power-Efficient Monolithic Buck Converters With Pseudo-Type III Compensation Monolithic PWM voltage-mode buck converters with a novel Pseudo-Type III (PT3) compensation are presented. The proposed compensation maintains the fast load transient response of the conventional Type III compensator; while the Type ... | Fundamental analysis of a car to car visible light communication system This paper presents a mathematical model for car-to-car (C2C) visible light communications (VLC) that aims to predict the system performance under different communication geometries. A market-weighted headlamp beam pattern model is employed. We con... | A Heterogeneous PIM Hardware-Software Co-Design for Energy-Efficient Graph Processing Processing-In-Memory (PIM) is an emerging technology that addresses the memory bottleneck of graph processing. In general, analog memristor-based PIM promises high parallelism provided that the underlying matrix-structured crossbar ca... | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
A 90 nm CMOS 16 Gb/s Transceiver for Optical Interconnects Interconnect architectures which leverage high-bandwidth optical channels offer a promising solution to address the increasing chip-to-chip I/O bandwidth demands. This paper describes a dense, high-speed, and low-power CMOS optical interconnect transceiver arch... | Design Of Automotive Vcsel Transmitter With On-Chip Feedforward Optical Power Control We propose a novel 50 Mb/s optical transmitter fabricated in a 0.6 mu m BiCMOS technology for automotive applications. The proposed VCSEL driver chip was designed to operate with a single Supply voltage ranging from 3.0 V to 5.25 V. A... | Design of a 56 Gbit/s 4-level pulse-amplitude-modulation inductor-less vertical-cavity surface-emitting laser driver integrated circuit in 130 nm BiCMOS technology This paper presents the design and analysis of a 4-level pulse-amplitude-modulation (4-PAM) 56 Gbit/s vertical-cavity surface-emitting laser (VCSEL) driver ... | Survey of Photonic and Plasmonic Interconnect Technologies for Intra-Datacenter and High-Performance Computing Communications. Large scale data centers (DC) and high performance computing (HPC) systems require more and more computing power at higher energy efficiency. They are already consuming megawatts of power, and ... | A Differential Push-Pull Voltage Mode VCSEL Driver in 65-nm CMOS Improving power-conversion efficiency (PCE) of VCSEL drivers is paramount to improve the overall energy efficiency of the entire optical link for high-performance computing and datacenters. VCSEL diodes are normally driven single-ended with pseudo-differe... | The weakest failure detector for solving consensus We determine what information about failures is necessary and sufficient to solve Consensus in asynchronous distributed systems subject to crash failures. In Chandra and Toueg (1996), it is shown that {0, a failure detector that provides surprisingly little information... | Cognitive radio: brain-empowered wireless communications Cognitive radio is viewed as a novel approach for improving the utilization of a precious natural resource: the radio electromagnetic spectrum. The cognitive radio, built on a software-defined radio, is defined as an intelligent wireless communication system that... | Planning as heuristic search In the AIPS98 Planning Contest, the hsp planner showed that heuristic search planners can be competitive with state-of-the-art Graphplan and sat planners. Heuristic search planners like hsp transform planning problems into problems of heuristic search by automatically extracting heuristics ... | Probabilistic neural networks By replacing the sigmoid activation function often used in neural networks with an exponential function, a probabilistic neural network (PNN) that can compute nonlinear decision boundaries which approach the Bayes optimal is formed. Alternate activation functions having similar properties ... | TaintDroid: An Information-Flow Tracking System for Realtime Privacy Monitoring on Smartphones Today’s smartphone operating systems frequently fail to provide users with visibility into how third-party applications collect and share their private data. We address these shortcomings with TaintDroid, an efficient, system... | On receding horizon feedback control Receding horizon feedback control (RHFC) was originally introduced as an easy method for designing stable state-feedback controllers for linear systems. Here those results are generalized to the control of nonlinear autonomous systems, and we develop a performance index which is min... | Sensor network gossiping or how to break the broadcast lower bound Gossiping is an important problem in Radio Networks that has been well studied, leading to many important results. Due to strong resouce limitations of sensor nodes, previous solutions are frequently not feasible in Sensor Networks. In this paper, we st... | 20.3 A feedforward controlled on-chip switched-capacitor voltage regulator delivering 10W in 32nm SOI CMOS On-chip (or fully integrated) switched-capacitor (SC) voltage regulators (SCVR) have recently received a lot of attention due to their ease of monolithic integration. The use of deep trench capacitors can lead to ... | A VCO-Based Nonuniform Sampling ADC Using a Slope-Dependent Pulse Generator This paper presents a voltage-controlled oscillator (VCO)-based nonuniform sampling analog-to-digital converter (ADC) as an alternative to the level-crossing (LC)-based converters for digitizing biopotential signals. This work aims to provide a... | 1.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Direct bandpass sampling of multiple distinct RF signals A goal in the software radio design philosophy is to place the analog-to-digital converter as near the antenna as possible. This objective has been demonstrated for the case of a single input signal. Bandpass sampling has been applied to downconvert, or intention... | New Architecture for a Wireless Smart Sensor Based on a Software-Defined Radio. Today, wireless sensor technology is based on monolithic transceivers that optimize cost but have a rigid hardware architecture. In this paper, a new architecture for wireless sensors is presented. It is based on a software-defined radio co... | RF Front-End Concept and Implementation for Direct Sampling of Multiband Signals. The placement of the analog-to-digital converter as near the antenna as possible is a key issue in the software-defined radio receiver design. Direct sampling of the incoming filtered signal is a compact solution enabling channel simultan... | LC-Based Bandpass Continuous-Time Sigma-Delta Modulators With Widely Tunable Notch Frequency This paper analyses the use of bandpass continuous-time ΣΔ modulators with widely programmable notch frequency for the efficient digitization of radio-frequency signals in the next generation of software-defined-radio mobile sy... | The Design Method and Performance Analysis of RF Subsampling Frontend for SDR/CR Receivers RF subsampling can be used by radio receivers to directly down convert and digitize RF signals. The goal of software-defined radio (SDR) design is to place analog-to-digital converter (ADC) as near the antenna as possible. Based ... | All-digital TX frequency synthesizer and discrete-time receiver for Bluetooth radio in 130-nm CMOS We present a single-chip fully compliant Bluetooth radio fabricated in a digital 130-nm CMOS process. The transceiver is architectured from the ground up to be compatible with digital deep-submicron CMOS processes and be ... | A Second-Order Antialiasing Prefilter for a Software-Defined Radio Receiver A new architecture is presented for a sinc2(f) filter intended to sample channels of varying bandwidth when surrounded by blockers and adjacent bands. The sample rate is programmable from 5 to 40 MHz, and aliases are suppressed by 45 dB or more... | Second-order intermodulation mechanisms in CMOS downconverters An in-depth analysis of the mechanisms responsible for second-order intermodulation distortion in CMOS active downconverters is proposed in this paper. The achievable second-order input intercept point (IIP2) has a fundamental limit due to nonlinearity and ... | Track-and-Zoom Neural Analog-to-Digital Converter With Blind Stimulation Artifact Rejection Closed-loop neuromodulation for the treatment of neurological disorders requires monitoring of the brain activity uninterruptedly even during neurostimulation. This article presents a bidirectional 32-channel CMOS neural interfa... | Computing size-independent matrix problems on systolic array processors A methodology to transform dense to band matrices is presented in this paper. This transformation, is accomplished by triangular blocks partitioning, and allows the implementation of solutions to problems with any given size, by means of contraflow... | A tight lower bound on the cover time for random walks on graphs We prove that the expected time for a random walk to cover all n vertices of a graph is at least (1 + o(1))n In n. © 1995 Wiley Periodicals, Inc. | Decision making for cognitive radio equipment: analysis of the first 10 years of exploration. This article draws a general retrospective view on the first 10 years of cognitive radio (CR). More specifically, we explore in this article decision making and learning for CR from an equipment perspective. Thus, this article... | Implementation of LTE SC-FDMA on the USRP2 software defined radio platform In this paper we discuss the implementation of a Single Carrier Frequency Division Multiple Access (SC-FDMA) transceiver running over the Universal Software Radio Peripheral 2 (USRP2). SC-FDMA is the air interface which has been selected for the... | A Heterogeneous PIM Hardware-Software Co-Design for Energy-Efficient Graph Processing Processing-In-Memory (PIM) is an emerging technology that addresses the memory bottleneck of graph processing. In general, analog memristor-based PIM promises high parallelism provided that the underlying matrix-structured crossbar ca... | 1.009355 | 0.009167 | 0.008333 | 0.008333 | 0.004167 | 0.001367 | 0.000082 | 0.000013 | 0.000001 | 0 | 0 | 0 | 0 | 0 |
A comprehensive review on type 2 fuzzy logic applications: Past, present and future In this paper a concise overview of the work that has been done by various researchers in the area of type-2 fuzzy logic is analyzed and discussed. Type-2 fuzzy systems have been widely applied in the fields of intelligent control, patt... | Type-2 Fuzzy Sets and Systems: An Overview [corrected reprint] As originally published in the February 2007 issue of IEEE Computational Intelligence Magazine, the above titled paper (ibid., vol. 2, no. 1, pp. 20-29, Feb 07) contained errors in mathematics that were introduced by the publisher. The corrected version is ... | Stability of switched positive linear systems with average dwell time switching. In this paper, the stability analysis problem for a class of switched positive linear systems (SPLSs) with average dwell time switching is investigated. A multiple linear copositive Lyapunov function (MLCLF) is first introduced, by which t... | Output tracking control for a class of continuous-time T-S fuzzy systems This paper investigates the problem of output tracking for nonlinear systems with actuator fault using interval type-2 (IT2) fuzzy model approach. An IT2 state-feedback fuzzy controller is designed to perform the tracking control problem, where th... | Adaptive Fault-Tolerant Tracking Control for Discrete-Time Multiagent Systems via Reinforcement Learning Algorithm This article investigates the adaptive fault-tolerant tracking control problem for a class of discrete-time multiagent systems via a reinforcement learning algorithm. The action neural networks (NNs) are u... | Robust fuzzy tracking control for robotic manipulators In this paper, a stable adaptive fuzzy-based tracking control is developed for robot systems with parameter uncertainties and external disturbance. First, a fuzzy logic system is introduced to approximate the unknown robotic dynamics by using adaptive algorithm. Ne... | A Survey of Reachability and Controllability for Positive Linear Systems. This paper is a survey of reachability and controllability results for discrete-time positive linear systems. It presents a variety of criteria in both algebraic and digraph forms for recognising these fundamental system properties with direct im... | GloMoSim: a library for parallel simulation of large-scale wireless networks Abstract Anumber,of library-based parallel ,and sequential network,simulators ,have ,been ,designed. This paper describes a library, called GloMoSim (for Global Mobile system Simulator), for parallel simulation of wireless networks. ... | TAG: a Tiny AGgregation service for ad-hoc sensor networks We present the Tiny AGgregation (TAG) service for aggregation in low-power, distributed, wireless environments. TAG allows users to express simple, declarative queries and have them distributed and executed efficiently in networks of low-power, wireless sensors... | On the evolution of user interaction in Facebook Online social networks have become extremely popular; numerous sites allow users to interact and share content using social links. Users of these networks often establish hundreds to even thousands of social links with other users. Recently, researchers have suggested ex... | The Quadrature LC Oscillator: A Complete Portrait Based on Injection Locking We show that the quadrature LC oscillator is best treated as two strongly coupled, nominally identical oscillators that are locked to the same frequency. Differential equations that extend Adler's description of locking to strong injection... | Permanent-magnets linear actuators applicability in automobile active suspensions Significant improvements in automobile suspension performance are achieved by active systems. However, current active suspension systems are too expensive and complex. Developments occurring in power electronics, permanent magnet material... | SPECS: A Lightweight Runtime Mechanism for Protecting Software from Security-Critical Processor Bugs Processor implementation errata remain a problem, and worse, a subset of these bugs are security-critical. We classified 7 years of errata from recent commercial processors to understand the magnitude and severity of th... | Power Efficiency Comparison of Event-Driven and Fixed-Rate Signal Conversion and Compression for Biomedical Applications Energy-constrained biomedical recording systems need power-efficient data converters and good signal compression in order to meet the stringent power consumption requirements of many applications. In... | 1.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.1 | 0.05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Real time front-end for cognitive radio inspired by the human cochlea In this paper we discuss the real time implementation and development of a front-end that is able to sample RF signals with a large bandwidth and dynamic range. This front-end uses an 8 channel RF multiplexer sampled by an 8 channel ADC board. A FPGA... | Efficiently computing static single assignment form and the control dependence graph In optimizing compilers, data structure choices directly influence the power and efficiency of practical program optimization. A poor choice of data structure can inhibit optimization or slow compilation to the point that advanced opti... | The weakest failure detector for solving consensus We determine what information about failures is necessary and sufficient to solve Consensus in asynchronous distributed systems subject to crash failures. In Chandra and Toueg (1996), it is shown that {0, a failure detector that provides surprisingly little information... | Chord: A scalable peer-to-peer lookup service for internet applications A fundamental problem that confronts peer-to-peer applications is to efficiently locate the node that stores a particular data item. This paper presents Chord, a distributed lookup protocol that addresses this problem. Chord provides support for ju... | Database relations with null values A new formal approach is proposed for modeling incomplete database information by means of null values. The basis of our approach is an interpretation of nulls which obviates the need for more than one type of null. The conceptual soundness of this approach is demonstrated by general... | The Anatomy of the Grid: Enabling Scalable Virtual Organizations "Grid" computing has emerged as an important new field, distinguished from conventional distributed computing by its focus on large-scale resource sharing, innovative applications, and, in some cases, high performance orientation. In this article, the aut... | McPAT: An integrated power, area, and timing modeling framework for multicore and manycore architectures This paper introduces McPAT, an integrated power, area, and timing modeling framework that supports comprehensive design space exploration for multicore and manycore processor configurations ranging from 90 nm to 22... | Distributed Optimization and Statistical Learning via the Alternating Direction Method of Multipliers Many problems of recent interest in statistics and machine learning can be posed in the framework of convex optimization. Due to the explosion in size and complexity of modern datasets, it is increasingly important to ... | Skip graphs Skip graphs are a novel distributed data structure, based on skip lists, that provide the full functionality of a balanced tree in a distributed system where resources are stored in separate nodes that may fail at any time. They are designed for use in searching peer-to-peer systems, and by providing the ab... | The complexity of data aggregation in directed networks We study problems of data aggregation, such as approximate counting and computing the minimum input value, in synchronous directed networks with bounded message bandwidth B = Ω(log n). In undirected networks of diameter D, many such problems can easily be solved i... | A Local Passive Time Interpolation Concept for Variation-Tolerant High-Resolution Time-to-Digital Conversion Time-to-digital converters (TDCs) are promising building blocks for the digitalization of mixed-signal functionality in ultra-deep-submicron CMOS technologies. A short survey on state-of-the-art TDCs is given. A... | Area- and Power-Efficient Monolithic Buck Converters With Pseudo-Type III Compensation Monolithic PWM voltage-mode buck converters with a novel Pseudo-Type III (PT3) compensation are presented. The proposed compensation maintains the fast load transient response of the conventional Type III compensator; while the Type ... | Fundamental analysis of a car to car visible light communication system This paper presents a mathematical model for car-to-car (C2C) visible light communications (VLC) that aims to predict the system performance under different communication geometries. A market-weighted headlamp beam pattern model is employed. We con... | A Heterogeneous PIM Hardware-Software Co-Design for Energy-Efficient Graph Processing Processing-In-Memory (PIM) is an emerging technology that addresses the memory bottleneck of graph processing. In general, analog memristor-based PIM promises high parallelism provided that the underlying matrix-structured crossbar ca... | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
An Efficient VLSI Architecture of a Reconfigurable Pulse-Shaping FIR Interpolation This brief proposes a two-step optimization technique for designing a reconfigurable VLSI architecture of an interpolation filter for multistandard digital up converter (DUC) to reduce the power and area consumption. The proposed techniq... | Efficiently computing static single assignment form and the control dependence graph In optimizing compilers, data structure choices directly influence the power and efficiency of practical program optimization. A poor choice of data structure can inhibit optimization or slow compilation to the point that advanced opti... | The weakest failure detector for solving consensus We determine what information about failures is necessary and sufficient to solve Consensus in asynchronous distributed systems subject to crash failures. In Chandra and Toueg (1996), it is shown that {0, a failure detector that provides surprisingly little information... | Chord: A scalable peer-to-peer lookup service for internet applications A fundamental problem that confronts peer-to-peer applications is to efficiently locate the node that stores a particular data item. This paper presents Chord, a distributed lookup protocol that addresses this problem. Chord provides support for ju... | Database relations with null values A new formal approach is proposed for modeling incomplete database information by means of null values. The basis of our approach is an interpretation of nulls which obviates the need for more than one type of null. The conceptual soundness of this approach is demonstrated by general... | The Anatomy of the Grid: Enabling Scalable Virtual Organizations "Grid" computing has emerged as an important new field, distinguished from conventional distributed computing by its focus on large-scale resource sharing, innovative applications, and, in some cases, high performance orientation. In this article, the aut... | McPAT: An integrated power, area, and timing modeling framework for multicore and manycore architectures This paper introduces McPAT, an integrated power, area, and timing modeling framework that supports comprehensive design space exploration for multicore and manycore processor configurations ranging from 90 nm to 22... | Distributed Optimization and Statistical Learning via the Alternating Direction Method of Multipliers Many problems of recent interest in statistics and machine learning can be posed in the framework of convex optimization. Due to the explosion in size and complexity of modern datasets, it is increasingly important to ... | Skip graphs Skip graphs are a novel distributed data structure, based on skip lists, that provide the full functionality of a balanced tree in a distributed system where resources are stored in separate nodes that may fail at any time. They are designed for use in searching peer-to-peer systems, and by providing the ab... | The complexity of data aggregation in directed networks We study problems of data aggregation, such as approximate counting and computing the minimum input value, in synchronous directed networks with bounded message bandwidth B = Ω(log n). In undirected networks of diameter D, many such problems can easily be solved i... | A Local Passive Time Interpolation Concept for Variation-Tolerant High-Resolution Time-to-Digital Conversion Time-to-digital converters (TDCs) are promising building blocks for the digitalization of mixed-signal functionality in ultra-deep-submicron CMOS technologies. A short survey on state-of-the-art TDCs is given. A... | Area- and Power-Efficient Monolithic Buck Converters With Pseudo-Type III Compensation Monolithic PWM voltage-mode buck converters with a novel Pseudo-Type III (PT3) compensation are presented. The proposed compensation maintains the fast load transient response of the conventional Type III compensator; while the Type ... | Conductance modulation techniques in switched-capacitor DC-DC converter for maximum-efficiency tracking and ripple mitigation in 22nm Tri-gate CMOS Active conduction modulation techniques are demonstrated in a fully integrated multi-ratio switched-capacitor voltage regulator with hysteretic control, implemented in 22nm... | A Heterogeneous PIM Hardware-Software Co-Design for Energy-Efficient Graph Processing Processing-In-Memory (PIM) is an emerging technology that addresses the memory bottleneck of graph processing. In general, analog memristor-based PIM promises high parallelism provided that the underlying matrix-structured crossbar ca... | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
A Deep Reinforcement Learning-Based Multi-Optimality Routing Scheme For Dynamic Iot Networks With the development of Internet of Things (IoT) and 5G technologies, more and more applications, such as autonomous vehicles and tele-medicine, become more sensitive to network latency and accuracy, which require routing schem... | Enhancing peer-to-peer content discovery techniques over mobile ad hoc networks Content dissemination over mobile ad hoc networks (MANETs) is usually performed using peer-to-peer (P2P) networks due to its increased resiliency and efficiency when compared to client-server approaches. P2P networks are usually divided int... | Reducing query overhead through route learning in unstructured peer-to-peer network In unstructured peer-to-peer networks, such as Gnutella, peers propagate query messages towards the resource holders by flooding them through the network. This is, however, a costly operation since it consumes node and link resources ex... | A Trusted Routing Scheme Using Blockchain and Reinforcement Learning for Wireless Sensor Networks. A trusted routing scheme is very important to ensure the routing security and efficiency of wireless sensor networks (WSNs). There are a lot of studies on improving the trustworthiness between routing nodes, using cryptog... | Decentralized Multi-Agent Reinforcement Learning With Networked Agents: Recent Advances Multi-agent reinforcement learning (MARL) has long been a significant research topic in both machine learning and control systems. Recent development of (single-agent) deep reinforcement learning has created a resurgence of interest... | Chord: a scalable peer-to-peer lookup protocol for internet applications A fundamental problem that confronts peer-to-peer applications is the efficient location of the node that stores a desired data item. This paper presents Chord, a distributed lookup protocol that addresses this problem. Chord provides support for ... | Randomized algorithms This text by two well-known experts in the field presents the basic concepts in the design and analysis of randomized algorithms at a level accessible to beginning graduate students, professionals and researchers. | A Formal Basis for the Heuristic Determination of Minimum Cost Paths Although the problem of determining the minimum cost path through a graph arises naturally in a number of interesting applications, there has been no underlying theory to guide the development of efficient search procedures. Moreover, there is no adeq... | Consensus problems in networks of agents with switching topology and time-delays. In this paper, we discuss consensus problems for a network of dynamic agents with flxed and switching topologies. We analyze three cases: i) networks with switching topology and no time-delays, ii) networks with flxed topology and communi... | Gossip-based aggregation in large dynamic networks As computer networks increase in size, become more heterogeneous and span greater geographic distances, applications must be designed to cope with the very large scale, poor reliability, and often, with the extreme dynamism of the underlying network. Aggregation is a k... | On receding horizon feedback control Receding horizon feedback control (RHFC) was originally introduced as an easy method for designing stable state-feedback controllers for linear systems. Here those results are generalized to the control of nonlinear autonomous systems, and we develop a performance index which is min... | Cross-layer sensors for green cognitive radio. Green cognitive radio is a cognitive radio (CR) that is aware of sustainable development issues and deals with an additional constraint as regards the decision-making function of the cognitive cycle. In this paper, it is explained how the sensors distributed throughout the... | 20.3 A feedforward controlled on-chip switched-capacitor voltage regulator delivering 10W in 32nm SOI CMOS On-chip (or fully integrated) switched-capacitor (SC) voltage regulators (SCVR) have recently received a lot of attention due to their ease of monolithic integration. The use of deep trench capacitors can lead to ... | An Energy-Efficient SAR ADC With Event-Triggered Error Correction This brief presents an energy-efficient fully differential 10-bit successive approximation register (SAR) analog-to-digital converter (ADC) with a resolution of 10 bits and a sampling rate of 320 kS/s. The optimal capacitor split and bypass number is ana... | 1.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.007692 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
A 0.024mm2 8b 400MS/s SAR ADC with 2b/cycle and resistive DAC in 65nm CMOS. | A 6.2mW 7b 3.5GS/s time interleaved 2-stage pipelined ADC in 40nm CMOS A 7b time interleaved hybrid ADC in 40nm CMOS is presented. The ADC consists of two pipelined stages and combines an intrinsically linear SAR with a fully calibrated binary search architecture to achieve energy efficiency. The first stage of each ch... | A 4.5-mW 8-b 750-MS/s 2-b/step asynchronous subranged SAR ADC in 28-nm CMOS technology A 8-b 2-b/step asynchronous subranged SAR ADC is presented. It incorporates subranging technique to obtain fast reference settling for MSB conversion. The capacitive interpolation reduces number of NMOS switches and lowers matching r... | A 2.2mW 5b 1.75GS/s Folding Flash ADC in 90nm Digital CMOS | A 10b 100MS/s 1.13mW SAR ADC with binary-scaled error compensation This paper presents a 10 b SAR ADC with a binary-scaled error compensation technique. The prototype occupies an active area of 155 à 165 ¿m2 in 65 nm CMOS. At 100 MS/S, the ADC achieves an SNDR of 59.0 dB and an SFDR of 75.6 dB, while consuming 1.13 m... | A Polynomial-Based Time-Varying Filter Structure for the Compensation of Frequency-Response Mismatch Errors in Time-Interleaved ADCs This paper introduces a structure for the compensation of frequency-response mismatch errors in M-channel time-interleaved analog-to-digital converters (ADCs). It makes use of a number of... | Column-oriented database systems Column-oriented database systems (column-stores) have attracted a lot of attention in the past few years. Column-stores, in a nutshell, store each database table column separately, with attribute values belonging to the same column stored contiguously, compressed, and densely packed, as... | Data reorganization in memory using 3D-stacked DRAM In this paper we focus on common data reorganization operations such as shuffle, pack/unpack, swap, transpose, and layout transformations. Although these operations simply relocate the data in the memory, they are costly on conventional systems mainly due to inefficie... | MapGraph: A High Level API for Fast Development of High Performance Graph Analytics on GPUs High performance graph analytics are critical for a long list of application domains. In recent years, the rapid advancement of many-core processors, in particular graphical processing units (GPUs), has sparked a broad interest ... | Max-Min D-Cluster Formation in Wireless Ad Hoc Networks An ad hoc network may be logically represented as a set of clusters. The clusterheads form a -hop dominating set. Each node is at most hops from a clusterhead. Clusterheads form a virtual backbone and may be used to route packets for nodes in their cluster. Previo... | On classification with incomplete data. We address the incomplete-data problem in which feature vectors to be classified are missing data (features). A (supervised) logistic regression algorithm for the classification of incomplete data is developed. Single or multiple imputation for the missing data is avoided by perf... | Study of Subharmonically Injection-Locked PLLs A complete analysis on subharmonically injection-locked PLLs develops fundamental theory for subharmonic locking phenomenon. It explains the noise shaping phenomenon, locking range and behavior, PVT tolerance, and pseudo locking issue. All of the analyses are verified by r... | An emergency communication system based on software-defined radio. Wireless telecommunications represent an important asset for public protection and disaster relief (PPDR) organizations as they improve the coordination and the distribution of information among first responders in the field. In large international disa... | A Heterogeneous PIM Hardware-Software Co-Design for Energy-Efficient Graph Processing Processing-In-Memory (PIM) is an emerging technology that addresses the memory bottleneck of graph processing. In general, analog memristor-based PIM promises high parallelism provided that the underlying matrix-structured crossbar ca... | 1.05184 | 0.05 | 0.025955 | 0.012744 | 0.006355 | 0.000227 | 0.000054 | 0.000007 | 0.000001 | 0 | 0 | 0 | 0 | 0 |
Improved Switched System Approach to Networked Control Systems With Time-Varying Delays An improved switched system approach is proposed for the stability and stabilization of networked control systems with time-varying delays. The approach features a mode-dependent state feedback controller guaranteeing the exponentia... | Offset-Free Model Predictive Control for the Power Control of Three-Phase AC/DC Converters This paper describes an offset-free model predictive control (MPC) algorithm using a disturbance observer (DOB) to control the active/reactive powers of a three-phase AC/DC converter. The strategy of this paper is twofold. One is... | Further results on cloud control systems. This paper is devoted to further investigating the cloud control systems (CCSs). The benefits and challenges of CCSs are provided. Both new research results of ours and some typical work made by other researchers are presented. It is believed that the CCSs can have huge and pro... | Moving Horizon Estimation for Mobile Robots With Multirate Sampling. This paper investigates the multirate moving horizon estimation (MMHE) problem for mobile robots with inertial sensor and camera, where the sampling rates of the sensors are not identical. In the sense of the multirate systems, some sensors may have n... | Real-Time Switched Model Predictive Control for a Cyber-Physical Wind Turbine Emulator The high complexity and nonlinearity of wind turbine (WT) systems impose the utilization of rigorous control methods such as model predictive control (MPC). MPC algorithms are computationally intensive requiring investigation of real... | A New Delay-Compensation Scheme for Networked Control Systems in Controller Area Networks. In this work, we aim to study a new delay-compensation algorithm for networked control systems (NCSs) which are connected via the controller area network (CAN) buses. First, we analyze the property of CAN bus and find the main so... | A Bayesian Method for the Induction of Probabilistic Networks from Data This paper presents a Bayesian method for constructing probabilistic
networks from databases. In particular, we focus on constructing
Bayesian belief networks. Potential applications include computer-assisted
hypothesis testing, automated scient... | Distributed estimation and quantization An algorithm is developed for the design of a nonlinear, n-sensor, distributed estimation system subject to communication and computation constraints. The algorithm uses only bivariate probability distributions and yields locally optimal estimators that satisfy the required syste... | Supporting Aggregate Queries Over Ad-Hoc Wireless Sensor Networks We show how the database community's notion of a generic query interface for data aggregation can be applied to ad-hoc networks of sensor devices. As has been noted in the sensor network literature, aggregation is important as a data reduction tool; netw... | Exploiting ILP, TLP, and DLP with the polymorphous TRIPS architecture This paper describes the polymorphous TRIPS architecture which can be configured for different granularities and types of parallelism. TRIPS contains mechanisms that enable the processing cores and the on-chip memory system to be configured and combi... | A 10-Gb/s CMOS clock and data recovery circuit with a half-rate binary phase/frequency detector A 10-Gb/s phase-locked clock and data recovery circuit incorporates a multiphase LC oscillator and a half-rate phase/frequency detector with automatic data retiming. Fabricated in 0.18-μm CMOS technology in an area of 1.75×1... | A Dht-Based Discovery Service For The Internet Of Things Current trends towards the Future Internet are envisaging the conception of novel services endowed with context-aware and autonomic capabilities to improve end users' quality of life. The Internet of Things paradigm is expected to contribute towards this ambitiou... | Current-mode adaptively hysteretic control for buck converters with fast transient response and improved output regulation This paper presents a current-mode adaptively hysteretic control (CMAHC) technique to achieve the fast transient response for DC-DC buck converters. A complementary full range current sensor compri... | A VCO-Based Nonuniform Sampling ADC Using a Slope-Dependent Pulse Generator This paper presents a voltage-controlled oscillator (VCO)-based nonuniform sampling analog-to-digital converter (ADC) as an alternative to the level-crossing (LC)-based converters for digitizing biopotential signals. This work aims to provide a... | 1.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Dead-beat terminal sliding-mode control: A guaranteed attractiveness approach This paper presents a design method of terminal sliding mode control with the guaranteed attractiveness, for which the tracking performance of the closed-loop system undertaken is governed by a discretized finite-time system (FTS). To allevia... | A Probabilistic Neural-Fuzzy Learning System for Stochastic Modeling A probabilistic fuzzy neural network (PFNN) with a hybrid learning mechanism is proposed to handle complex stochastic uncertainties. Fuzzy logic systems (FLSs) are well known for vagueness processing. Embedded with the probabilistic method, an FLS wil... | Design of Fuzzy-Neural-Network-Inherited Backstepping Control for Robot Manipulator Including Actuator Dynamics This study presents the design and analysis of an intelligent control system that inherits the systematic and recursive design methodology for an n-link robot manipulator, including actuator dynamics, in orde... | Reactive Power Control of Three-Phase Grid-Connected PV System During Grid Faults Using Takagi–Sugeno–Kang Probabilistic Fuzzy Neural Network Control An intelligent controller based on the Takagi-Sugeno-Kang-type probabilistic fuzzy neural network with an asymmetric membership function (TSKPFNN-AMF) is developed in thi... | Discrete-Time Quasi-Sliding-Mode Control With Prescribed Performance Function and its Application to Piezo-Actuated Positioning Systems. In this paper, the constrained control problem of the prescribed performance control technique is discussed in discrete-time domain for single input-single output dynamical systems. T... | Sliding mode control for singularly perturbed Markov jump descriptor systems with nonlinear perturbation This paper develops a stochastic integral sliding mode control strategy for singularly perturbed Markov jump descriptor systems subject to nonlinear perturbation. The transition probabilities (TPs) for the system mo... | The part-time parliament Recent archaeological discoveries on the island of Paxos reveal that the parliament functioned despite the peripatetic propensity of its part-time legislators. The legislators maintained consistent copies of the parliamentary record, despite their frequent forays from the chamber and the forget... | Design Techniques for Fully Integrated Switched-Capacitor DC-DC Converters. This paper describes design techniques to maximize the efficiency and power density of fully integrated switched-capacitor (SC) DC-DC converters. Circuit design methods are proposed to enable simplified gate drivers while supporting multiple to... | Distributed reset A reset subsystem is designed that can be embedded in an arbitrary distributed system in order to allow the system processes to reset the system when necessary. Our design is layered, and comprises three main components: a leader election, a spanning tree construction, and a diffusing computation. Eac... | Distributed multi-agent optimization with state-dependent communication We study distributed algorithms for solving global optimization problems in which the objective function is the sum of local objective functions of agents and the constraint set is given by the intersection of local constraint sets of agents. We as... | Yet another MicroArchitectural Attack:: exploiting I-Cache MicroArchitectural Attacks (MA), which can be considered as a special form of Side-Channel Analysis, exploit microarchitectural functionalities of processor implementations and can compromise the security of computational environments even in the presence of so... | A decentralized modular control framework for robust control of FES-activated walker-assisted paraplegic walking using terminal sliding mode and fuzzy logic control. A major challenge to developing functional electrical stimulation (FES) systems for paraplegic walking and widespread acceptance of these systems is the d... | PUMP: a programmable unit for metadata processing We introduce the Programmable Unit for Metadata Processing (PUMP), a novel software-hardware element that allows flexible computation with uninterpreted metadata alongside the main computation with modest impact on runtime performance (typically 10--40% for single polic... | A 1V 3.5 μW Bio-AFE With Chopper-Capacitor-Chopper Integrator-Based DSL and Low Power GM-C Filter This brief presents a low-noise, low-power bio-signal acquisition analog front-end (Bio-AFE). It mainly includes a capacitively coupled chopper-stabilized instrumentation amplifier (CCIA), a programmable gain amplifier (PG... | 1.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
FReaC Cache: Folded-logic Reconfigurable Computing in the Last Level Cache The need for higher energy efficiency has resulted in the proliferation of accelerators across platforms, with custom and reconfigurable accelerators adopted in both edge devices and cloud servers. However, existing solutions fall short in provi... | Architecture Aware Partitioning Algorithms Existing partitioning algorithms provide limited support for load balancing simulations that are performed on heterogeneous parallel computing platforms. On such architectures, effec- tive load balancing can only be achieved if the graph is distributed so that it properly take... | AMD Fusion APU: Llano The Llano variant of the AMD Fusion accelerated processor unit (APU) deploys AMD Turbo CORE technology to maximize processor performance within the system's thermal design limits. Low-power design and performance/watt ratio optimization were key design approaches, and power gating is implemented p... | Decoupling Data Supply from Computation for Latency-Tolerant Communication in Heterogeneous Architectures. In today’s computers, heterogeneous processing is used to meet performance targets at manageable power. In adopting increased compute specialization, however, the relative amount of time spent on communication inc... | Stream Floating: Enabling Proactive and Decentralized Cache Optimizations As multicore systems continue to grow in scale and on-chip memory capacity, the on-chip network bandwidth and latency become problematic bottlenecks. Because of this, overheads in data transfer, the coherence protocol and replacement policies bec... | Decentralized Offload-based Execution on Memory-centric Compute Cores. | QsCores: trading dark silicon for scalable energy efficiency with quasi-specific cores Transistor density continues to increase exponentially, but power dissipation per transistor is improving only slightly with each generation of Moore's law. Given the constant chip-level power budgets, this exponentially decreases th... | Wireless sensor networks: a survey This paper describes the concept of sensor networks which has been made viable by the convergence of micro-electro-mechanical systems technology, wireless communications and digital electronics. First, the sensing tasks and the potential sensor networks applications are explored, and ... | Network-based robust H∞ control of systems with uncertainty This paper is concerned with the design of robust H"~ controllers for uncertain networked control systems (NCSs) with the effects of both the network-induced delay and data dropout taken into consideration. A new analysis method for H"~ performance of NCSs is ... | Incremental Stochastic Subgradient Algorithms for Convex Optimization This paper studies the effect of stochastic errors on two constrained incremental subgradient algorithms. The incremental subgradient algorithms are viewed as decentralized network optimization algorithms as applied to minimize a sum of functions, wh... | Wireless communications in the twenty-first century: a perspective Wireless communications are expected to be the dominant mode of access technology in the next century. Besides voice, a new range of services such as multimedia, high-speed data, etc. are being offered for delivery over wireless networks. Mobility will ... | A 60-GHz 16QAM/8PSK/QPSK/BPSK Direct-Conversion Transceiver for IEEE802.15.3c. This paper presents a 60-GHz direct-conversion transceiver using 60-GHz quadrature oscillators. The transceiver has been fabricated in a standard 65-nm CMOS process. It in cludes a receiver with a 17.3-dB conversion gain and less than 8.0-dB... | Reduction and IR-drop compensations techniques for reliable neuromorphic computing systems Neuromorphic computing system (NCS) is a promising architecture to combat the well-known memory bottleneck in Von Neumann architecture. The recent breakthrough on memristor devices made an important step toward realizing a low-po... | A Bidirectional Neural Interface IC With Chopper Stabilized BioADC Array and Charge Balanced Stimulator. We present a bidirectional neural interface with a 4-channel biopotential analog-to-digital converter (bioADC) and a 4-channel current-mode stimulator in 180 nm CMOS. The bioADC directly transduces microvolt biopote... | 1.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.1 | 0.02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Signal receiving and processing platform of the experimental passive radar for intelligent surveillance system using software defined radio approach This document presents a signal receiving and processing platform for an experimental FM radio based multistatic passive radar utilizing Software Defined Radio. This radar... | Efficiently computing static single assignment form and the control dependence graph In optimizing compilers, data structure choices directly influence the power and efficiency of practical program optimization. A poor choice of data structure can inhibit optimization or slow compilation to the point that advanced opti... | The weakest failure detector for solving consensus We determine what information about failures is necessary and sufficient to solve Consensus in asynchronous distributed systems subject to crash failures. In Chandra and Toueg (1996), it is shown that {0, a failure detector that provides surprisingly little information... | Chord: A scalable peer-to-peer lookup service for internet applications A fundamental problem that confronts peer-to-peer applications is to efficiently locate the node that stores a particular data item. This paper presents Chord, a distributed lookup protocol that addresses this problem. Chord provides support for ju... | Database relations with null values A new formal approach is proposed for modeling incomplete database information by means of null values. The basis of our approach is an interpretation of nulls which obviates the need for more than one type of null. The conceptual soundness of this approach is demonstrated by general... | The Anatomy of the Grid: Enabling Scalable Virtual Organizations "Grid" computing has emerged as an important new field, distinguished from conventional distributed computing by its focus on large-scale resource sharing, innovative applications, and, in some cases, high performance orientation. In this article, the aut... | McPAT: An integrated power, area, and timing modeling framework for multicore and manycore architectures This paper introduces McPAT, an integrated power, area, and timing modeling framework that supports comprehensive design space exploration for multicore and manycore processor configurations ranging from 90 nm to 22... | Distributed Optimization and Statistical Learning via the Alternating Direction Method of Multipliers Many problems of recent interest in statistics and machine learning can be posed in the framework of convex optimization. Due to the explosion in size and complexity of modern datasets, it is increasingly important to ... | Skip graphs Skip graphs are a novel distributed data structure, based on skip lists, that provide the full functionality of a balanced tree in a distributed system where resources are stored in separate nodes that may fail at any time. They are designed for use in searching peer-to-peer systems, and by providing the ab... | The complexity of data aggregation in directed networks We study problems of data aggregation, such as approximate counting and computing the minimum input value, in synchronous directed networks with bounded message bandwidth B = Ω(log n). In undirected networks of diameter D, many such problems can easily be solved i... | A Local Passive Time Interpolation Concept for Variation-Tolerant High-Resolution Time-to-Digital Conversion Time-to-digital converters (TDCs) are promising building blocks for the digitalization of mixed-signal functionality in ultra-deep-submicron CMOS technologies. A short survey on state-of-the-art TDCs is given. A... | Area- and Power-Efficient Monolithic Buck Converters With Pseudo-Type III Compensation Monolithic PWM voltage-mode buck converters with a novel Pseudo-Type III (PT3) compensation are presented. The proposed compensation maintains the fast load transient response of the conventional Type III compensator; while the Type ... | Conductance modulation techniques in switched-capacitor DC-DC converter for maximum-efficiency tracking and ripple mitigation in 22nm Tri-gate CMOS Active conduction modulation techniques are demonstrated in a fully integrated multi-ratio switched-capacitor voltage regulator with hysteretic control, implemented in 22nm... | A Heterogeneous PIM Hardware-Software Co-Design for Energy-Efficient Graph Processing Processing-In-Memory (PIM) is an emerging technology that addresses the memory bottleneck of graph processing. In general, analog memristor-based PIM promises high parallelism provided that the underlying matrix-structured crossbar ca... | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
A Clock-Phase Reuse Technique for Discrete-Time Bandpass Filters In this article, we apply a new clock-phase reuse technique to a discrete-time infinite impulse response (IIR) complex-signaling bandpass filter (BPF). This leads to a deep improvement in filtering, especially the stopband rejection, while maintaining the... | A Charge-Rotating IIR Filter with Linear Interpolation and High Stop-Band Rejection This paper introduces a new architecture of a discrete-time charge-rotating low-pass filter (LPF) which achieves a high-order of filtering and improves its stop-band rejection while maintaining a reasonable duty cycle of the main clock ... | An 8-bit 100-mhz cmos linear interpolation dac An 8-bit 100-MHz CMOS linear interpolation digital-to-analog converter (DAC) is presented. It applies a time-interleaved structure on an 8-bit binary-weighted DAC, using 16 evenly skewed clocks generated by a voltage-controlled delay line to realize the linear interpolatio... | A Quadrature Charge-Domain Sampling Mixer With Embedded FIR, IIR, and N-Path Filters This paper presents the analysis and design of a quadrature charge-domain down-conversion sampling mixer with embedded finite-impulse-response (FIR), infinite-impulse-response (IIR), and 4-path bandpass filters. An in-depth investigati... | Low-Power Highly Selective Channel Filtering Using a Transconductor–Capacitor Analog FIR Analog finite-impulse-response (AFIR) filtering is proposed to realize low-power channel selection filters for the Internet-of-Things receivers. High selectivity is achieved using an architecture based on only a single—time-varying... | Enhanced-Selectivity High-Linearity Low-Noise Mixer-First Receiver With Complex Pole Pair Due to Capacitive Positive Feedback. A mixer-first receiver (RX) with enhanced selectivity and high dynamic range is proposed, targeting to remove surface acoustic-wave-filters in mobile phones and cover all frequency bands up to ... | Chord: a scalable peer-to-peer lookup protocol for internet applications A fundamental problem that confronts peer-to-peer applications is the efficient location of the node that stores a desired data item. This paper presents Chord, a distributed lookup protocol that addresses this problem. Chord provides support for ... | Time-delay systems: an overview of some recent advances and open problems After presenting some motivations for the study of time-delay system, this paper recalls modifications (models, stability, structure) arising from the presence of the delay phenomenon. A brief overview of some control approaches is then provided,... | Bayesian Network Classifiers Recent work in supervised learning has shown that a surprisinglysimple Bayesian classifier with strong assumptions of independence amongfeatures, called naive Bayes, is competitive withstate-of-the-art classifiers such as C4.5. This fact raises the question ofwhether a classifier with less ... | A theory of nonsubtractive dither A detailed mathematical investigation of multibit quantizing systems using nonsubtractive dither is presented. It is shown that by the use of dither having a suitably chosen probability density function, moments of the total error can be made independent of the system input signal but ... | Codejail: Application-Transparent Isolation of Libraries with Tight Program Interactions. | An Opportunistic Cognitive MAC Protocol for Coexistence with WLAN In last decades, the demand of wireless spectrum has increased rapidly with the development of mobile communication services. Recent studies recognize that traditional fixed spectrum assignment does not use spectrum efficiently. Such a wasting phenomenon... | 20.3 A feedforward controlled on-chip switched-capacitor voltage regulator delivering 10W in 32nm SOI CMOS On-chip (or fully integrated) switched-capacitor (SC) voltage regulators (SCVR) have recently received a lot of attention due to their ease of monolithic integration. The use of deep trench capacitors can lead to ... | Neuropixels Data-Acquisition System: A Scalable Platform for Parallel Recording of 10,000+ Electrophysiological Signals. Although CMOS fabrication has enabled a quick evolution in the design of high-density neural probes and neural-recording chips, the scaling and miniaturization of the complete data-acquisition system... | 1.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.025 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
A Self-Powered and Optimal SSHI Circuit Integrated With an Active Rectifier for Piezoelectric Energy Harvesting. This paper presents a piezoelectric energy harvesting circuit, which integrates a Synchronized Switch Harvesting on Inductor (SSHI) circuit and an active rectifier. The major design challenge of the SSHI met... | An Inductorless Bias-Flip Rectifier for Piezoelectric Energy Harvesting. Piezoelectric vibration energy harvesters have drawn much interest for powering self-sustained electronic devices. Furthermore, the continuous push toward miniaturization and higher levels of integration continues to form key drivers for autonomou... | A 90.2% Peak Efficiency Multi-Input Single-Inductor Multi-Output Energy Harvesting Interface With Double-Conversion Rejection Technique and Buck-Based Dual-Conversion Mode This article presents a multi-input single-inductor multi-output energy-harvesting interface that extracts power from three independent sources and ... | A Self-Powered P-SSHI Array Interface for Piezoelectric Energy Harvesters With Arbitrary Phase Difference Piezoelectric energy harvester (PEH) arrays are promising in many application scenarios. However, few interface circuits have been developed to manage the multiple ac inputs from PEHs. This article proposes an exte... | A Parallel-SSHI Rectifier for Piezoelectric Energy Harvesting of Periodic and Shock Excitations. Piezoelectric harvesters are capable of generating energy out of ambient vibrations. Dedicated interface circuits can significantly increase the harvesting capabilities compared with passive rectifiers. This paper presents ... | Digital pulse frequency modulation for switched capacitor DC-DC converter on 65nm process DC-DC converter is one of the most important building blocks in any System-on-Chip (SoC). DC-DC converter has the functional capabilities to supply various voltage levels to various loads of the chip in a way to achieve high power... | Efficiently computing static single assignment form and the control dependence graph In optimizing compilers, data structure choices directly influence the power and efficiency of practical program optimization. A poor choice of data structure can inhibit optimization or slow compilation to the point that advanced opti... | GPUWattch: enabling energy optimizations in GPGPUs General-purpose GPUs (GPGPUs) are becoming prevalent in mainstream computing, and performance per watt has emerged as a more crucial evaluation metric than peak performance. As such, GPU architects require robust tools that will enable them to quickly explore new ways ... | Self-stabilizing systems in spite of distributed control The synchronization task between loosely coupled cyclic sequential processes (as can be distinguished in, for instance, operating systems) can be viewed as keeping the relation “the system is in a legitimate state” invariant. As a result, each individual process ... | Adaptive Synchronization of an Uncertain Complex Dynamical Network This brief paper further investigates the locally and globally adaptive
synchronization of an uncertain complex dynamical network. Several network
synchronization criteria are deduced. Especially, our hypotheses and designed
adaptive controllers for net... | Enabling open-source cognitively-controlled collaboration among software-defined radio nodes Software-defined radios (SDRs) are now recognized as a key building block for future wireless communications. We have spent the past year enhancing existing open software to create a software-defined data radio. This radio exte... | Architectural Evolution of Integrated M-Phase High-Q Bandpass Filters -phase bandpass filters (BPFs) are analyzed, and variations of the structure are proposed. For values of that are integer multiples of 4, the conventional -phase BPF structure is modified to take complex baseband impedances and frequency-translate th... | A 10-Bit 800-MHz 19-mW CMOS ADC A pipelined ADC employs charge-steering op amps to relax the trade-offs among speed, noise, and power consumption. Applying full-rate nonlinearity and gain error calibration, a prototype realized in 65-nm CMOS technology achieves an SNDR of 52.2 dB at an input frequency of 399.2MHz and a... | A 1V 3.5 μW Bio-AFE With Chopper-Capacitor-Chopper Integrator-Based DSL and Low Power GM-C Filter This brief presents a low-noise, low-power bio-signal acquisition analog front-end (Bio-AFE). It mainly includes a capacitively coupled chopper-stabilized instrumentation amplifier (CCIA), a programmable gain amplifier (PG... | 1.11 | 0.1 | 0.1 | 0.1 | 0.05 | 0.02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Cellular Logic-in-Memory Arrays As a direct consequence of large-scale integration, many advantages in the design, fabrication, testing, and use of digital circuitry can be achieved if the circuits can be arranged in a two-dimensional iterative, or cellular, array of identical elementary networks, or cells. When a smal... | GP-SIMD Processing-in-Memory GP-SIMD, a novel hybrid general-purpose SIMD computer architecture, resolves the issue of data synchronization by in-memory computing through combining data storage and massively parallel processing. GP-SIMD employs a two-dimensional access memory with modified SRAM storage cells and a bit-... | Evolution of Memory Architecture Computer memories continue to serve the role that they first served in the electronic discrete variable automatic computer (EDVAC) machine documented by John von Neumann, namely that of supplying instructions and operands for calculations in a timely manner. As technology has made possi... | Rebooting the Data Access Hierarchy of Computing Systems We have been experiencing two very important movements in computing. On the one hand, a tremendous amount of resource has been invested into innovative applications such as first-principle-based methods, deep learning and cognitive computing. On the other hand, t... | Hyper-Ap: Enhancing Associative Processing Through A Full-Stack Optimization Associative processing (AP) is a promising PIM paradigm that overcomes the von Neumann bottleneck (memory wall) by virtue of a radically different execution model. By decomposing arbitrary computations into a sequence of primitive memory opera... | 3.2 Zen: A next-generation high-performance ×86 core Codenamed “Zen”, AMD's next-generation, high-performance ×86 core targets server, desktop, and mobile client applications. Utilizing Global Foundries' energy-efficient 14nm LPP FinFET process, the 44mm
<sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="... | ELP2IM: Efficient and Low Power Bitwise Operation Processing in DRAM Recently proposed DRAM based memory-centric architectures have demonstrated their great potentials in addressing the memory wall challenge of modern computing systems. Such architectures exploit charge sharing of multiple rows to enable in-memory bitw... | NDC: Analyzing the impact of 3D-stacked memory+logic devices on MapReduce workloads While Processing-in-Memory has been investigated for decades, it has not been embraced commercially. A number of emerging technologies have renewed interest in this topic. In particular, the emergence of 3D stacking and the imminent rel... | Column-oriented database systems Column-oriented database systems (column-stores) have attracted a lot of attention in the past few years. Column-stores, in a nutshell, store each database table column separately, with attribute values belonging to the same column stored contiguously, compressed, and densely packed, as... | Fused-layer CNN accelerators. Deep convolutional neural networks (CNNs) are rapidly becoming the dominant approach to computer vision and a major component of many other pervasive machine learning tasks, such as speech recognition, natural language processing, and fraud detection. As a result, accelerators for efficien... | The Case for Wireless Overlay Networks Wireless data services, other than those for electronic mail or paging, have thus far been more of a promise than a success.
We believe that future mobile information systems must be built upon heterogeneous wireless overlay networks, extending traditional wired and internetworke... | A 12-GS/s Phase-Calibrated CMOS Digital-to-Analog Converter for Backplane Communications A 12-GS/s 8-bit digital-to-analog converter (DAC) enables 24 Gb/s signaling over conventional backplane channels. Designed in a 90-nm CMOS process, the circuit occupies an area of 670 mum times 350 mum and achieves INL and DNL of 0... | Reconfigurable cognitive transceiver for opportunistic networks. In this work, we provide the implementation and analysis of a cognitive transceiver for opportunistic networks. We focus on a previously introduced dynamic spectrum access (DSA) - cognitive radio (CR) solution for primary-secondary coexistence in opportun... | An Energy-Efficient SAR ADC With Event-Triggered Error Correction This brief presents an energy-efficient fully differential 10-bit successive approximation register (SAR) analog-to-digital converter (ADC) with a resolution of 10 bits and a sampling rate of 320 kS/s. The optimal capacitor split and bypass number is ana... | 1.029437 | 0.028571 | 0.028571 | 0.028571 | 0.028571 | 0.028571 | 0.020408 | 0.006466 | 0.000018 | 0 | 0 | 0 | 0 | 0 |
Measuring the Gap Between FPGAs and ASICs ABSTRACT This paper presents experimental measurements of the differences between a 90nm CMOS FPGA and 90nm CMOS Standard Cell ASICs in terms of logic density, circuit speed and power consumption. We are motivated to make these measurements to enable system designers to make be... | Reconfigurable Radios: A Possible Solution to Reduce Entry Costs in Wireless Phones With advances in telecommunications, an increasing number of services rely on high data rate spectrum access. These critical services include banking, telemedicine, and exchange of technical information. As a result, spectrum resources ... | A detailed power model for field-programmable gate arrays Power has become a critical issue for field-programmable gate array (FPGA) vendors. Understanding the power dissipation within FPGAs is the first step in developing power-efficient architectures and computer-aided design (CAD) tools for FPGAs. This article descr... | Hardware acceleration of database operations As the amount of memory in database systems grows, entire database tables, or even databases, are able to fit in the system's memory, making in-memory database operations more prevalent. This shift from disk-based to in-memory database systems has contributed to a move from ... | Sparse matrix multiplication: The distributed block-compressed sparse row library. •An implementation of a sparse matrix–matrix multiplication library is described.•The library was developed to support linear-scaling quantum simulations.•Performance is high for a variety of matrix sparsities.•We show that the library s... | Architecture Design of Reconfigurable Pipelined Datapaths This paper examines reconfigurable pipelined datapaths (RaPiDs), a new architecture style for computation-intensive applications that bridges the cost/performance gap between general purpose and application specific architectures. RaPiDs can provide significantl... | The CORDIC Trigonometric Computing Technique The COordinate Rotation DIgital Computer(CORDIC) is a special-purpose digital computer for real-time airborne computation. In this computer, a unique computing technique is employed which is especially suitable for solving the trigonometric relationships involved in plane co... | MAERI: Enabling Flexible Dataflow Mapping over DNN Accelerators via Reconfigurable Interconnects. Deep neural networks (DNN) have demonstrated highly promising results across computer vision and speech recognition, and are becoming foundational for ubiquitous AI. The computational complexity of these algorithms and a n... | BSSync: Processing Near Memory for Machine Learning Workloads with Bounded Staleness Consistency Models. Parallel machine learning workloads have become prevalent in numerous application domains. Many of these workloads are iterative convergent, allowing different threads to compute in an asynchronous manner, relaxing ... | Memory safety without garbage collection for embedded applications Traditional approaches to enforcing memory safety of programs rely heavily on run-time checks of memory accesses and on garbage collection, both of which are unattractive for embedded applications. The goal of our work is to develop advanced compiler te... | On the Artifacts of Random Waypoint Simulations | An analytical study of a structured overlay in the presence of dynamic membership In this paper, we present an analytical study of dynamic membership (aka churn) in structured peer-to-peer networks. We use a fluid model approach to describe steady-state or transient phenomena and apply it to the Chord system. For any r... | Lossy data compression using FDCT for haptic communication In this paper, a DCT-based lossy haptic data compression method for a haptic communication systems is proposed to reduce the data size flowing between a master and a slave system. The calculation load for the DCT can be high, and the performance and the stabili... | A VCO-Based Nonuniform Sampling ADC Using a Slope-Dependent Pulse Generator This paper presents a voltage-controlled oscillator (VCO)-based nonuniform sampling analog-to-digital converter (ADC) as an alternative to the level-crossing (LC)-based converters for digitizing biopotential signals. This work aims to provide a... | 1.026868 | 0.030575 | 0.025728 | 0.025728 | 0.025 | 0.017638 | 0.008333 | 0.002722 | 0.000234 | 0 | 0 | 0 | 0 | 0 |
TrueNorth: Design and Tool Flow of a 65 mW 1 Million Neuron Programmable Neurosynaptic Chip The new era of cognitive computing brings forth the grand challenge of developing systems capable of processing massive amounts of noisy multisensory data. This type of intelligent computing poses a set of constraints, including... | Spiking Neural Networks Hardware Implementations and Challenges: A Survey Neuromorphic computing is henceforth a major research field for both academic and industrial actors. As opposed to Von Neumann machines, brain-inspired processors aim at bringing closer the memory and the computational elements to efficiently eva... | A 65-nm Neuromorphic Image Classification Processor With Energy-Efficient Training Through Direct Spike-Only Feedback Recent advances in neural network (NN) and machine learning algorithms have sparked a wide array of research in specialized hardware, ranging from high-performance NN accelerators for use inside the ser... | Energy efficient parallel neuromorphic architectures with approximate arithmetic on FPGA. In this paper, we present the parallel neuromorphic processor architectures for spiking neural networks on FPGA. The proposed architectures address several critical issues pertaining to efficient parallelization of the update of m... | Presynaptic Spike-Driven Spike Timing-Dependent Plasticity With Address Event Representation for Large-Scale Neuromorphic Systems Learning plays an important role in the brain to make it adaptive to dynamical environments. This paper presents a presynaptic spike-driven spike timing-dependent plasticity (STDP) learning ... | First-Spike-Based Visual Categorization Using Reward-Modulated STDP. Reinforcement learning (RL) has recently regained popularity with major achievements such as beating the European game of Go champion. Here, for the first time, we show that RL can be used efficiently to train a spiking neural network (SNN) to perform... | DianNao family: energy-efficient hardware accelerators for machine learning. Machine Learning (ML) tasks are becoming pervasive in a broad range of applications, and in a broad range of systems (from embedded systems to data centers). As computer architectures evolve toward heterogeneous multi-cores composed of a mix o... | TETRIS: Scalable and Efficient Neural Network Acceleration with 3D Memory. The high accuracy of deep neural networks (NNs) has led to the development of NN accelerators that improve performance by two orders of magnitude. However, scaling these accelerators for higher performance with increasingly larger NNs exacerbate... | Max-Min D-Cluster Formation in Wireless Ad Hoc Networks An ad hoc network may be logically represented as a set of clusters. The clusterheads form a -hop dominating set. Each node is at most hops from a clusterhead. Clusterheads form a virtual backbone and may be used to route packets for nodes in their cluster. Previo... | Class-C Harmonic CMOS VCOs, With a General Result on Phase Noise A harmonic oscillator topology displaying an improved phase noise performance is introduced in this paper. Exploiting the advantages yielded by operating the core transistors in class-C, a theoretical 3.9 dB phase noise improvement compared to the standar... | Low-power area-efficient high-speed I/O circuit techniques We present a 4-Gb/s I/O circuit that fits in 0.1-mm/sup 2/ of die area, dissipates 90 mW of power, and operates over 1 m of 7-mil 0.5-oz PCB trace in a 0.25-/spl mu/m CMOS technology. Swing reduction is used in an input-multiplexed transmitter to provide most o... | Nonlinear semidefinite programming: sensitivity, convergence, and an application in passive reduced-order modeling We consider the solution of nonlinear programs with nonlinear semidefiniteness constraints. The need for an efficient exploitation of the cone of positive semidefinite matrices makes the solution of such n... | Automated text mining for requirements analysis of policy documents Businesses and organizations in jurisdictions around the world are required by law to provide their customers and users with information about their business practices in the form of policy documents. Requirements engineers analyze these documents as s... | Neuropixels Data-Acquisition System: A Scalable Platform for Parallel Recording of 10,000+ Electrophysiological Signals. Although CMOS fabrication has enabled a quick evolution in the design of high-density neural probes and neural-recording chips, the scaling and miniaturization of the complete data-acquisition system... | 1.0432 | 0.04 | 0.04 | 0.04 | 0.04 | 0.02 | 0.008 | 0.000606 | 0 | 0 | 0 | 0 | 0 | 0 |
DHT-based Edge and Fog Computing Systems: Infrastructures and Applications Intending to support new emerging applications with latency requirements below what can be offered by the cloud data centers, the edge and fog computing paradigms have reared. In such systems, the real-time instant data is processed closer to th... | Efficiently computing static single assignment form and the control dependence graph In optimizing compilers, data structure choices directly influence the power and efficiency of practical program optimization. A poor choice of data structure can inhibit optimization or slow compilation to the point that advanced opti... | The weakest failure detector for solving consensus We determine what information about failures is necessary and sufficient to solve Consensus in asynchronous distributed systems subject to crash failures. In Chandra and Toueg (1996), it is shown that {0, a failure detector that provides surprisingly little information... | Chord: A scalable peer-to-peer lookup service for internet applications A fundamental problem that confronts peer-to-peer applications is to efficiently locate the node that stores a particular data item. This paper presents Chord, a distributed lookup protocol that addresses this problem. Chord provides support for ju... | Database relations with null values A new formal approach is proposed for modeling incomplete database information by means of null values. The basis of our approach is an interpretation of nulls which obviates the need for more than one type of null. The conceptual soundness of this approach is demonstrated by general... | The Anatomy of the Grid: Enabling Scalable Virtual Organizations "Grid" computing has emerged as an important new field, distinguished from conventional distributed computing by its focus on large-scale resource sharing, innovative applications, and, in some cases, high performance orientation. In this article, the aut... | McPAT: An integrated power, area, and timing modeling framework for multicore and manycore architectures This paper introduces McPAT, an integrated power, area, and timing modeling framework that supports comprehensive design space exploration for multicore and manycore processor configurations ranging from 90 nm to 22... | Distributed Optimization and Statistical Learning via the Alternating Direction Method of Multipliers Many problems of recent interest in statistics and machine learning can be posed in the framework of convex optimization. Due to the explosion in size and complexity of modern datasets, it is increasingly important to ... | Skip graphs Skip graphs are a novel distributed data structure, based on skip lists, that provide the full functionality of a balanced tree in a distributed system where resources are stored in separate nodes that may fail at any time. They are designed for use in searching peer-to-peer systems, and by providing the ab... | The complexity of data aggregation in directed networks We study problems of data aggregation, such as approximate counting and computing the minimum input value, in synchronous directed networks with bounded message bandwidth B = Ω(log n). In undirected networks of diameter D, many such problems can easily be solved i... | A Local Passive Time Interpolation Concept for Variation-Tolerant High-Resolution Time-to-Digital Conversion Time-to-digital converters (TDCs) are promising building blocks for the digitalization of mixed-signal functionality in ultra-deep-submicron CMOS technologies. A short survey on state-of-the-art TDCs is given. A... | Area- and Power-Efficient Monolithic Buck Converters With Pseudo-Type III Compensation Monolithic PWM voltage-mode buck converters with a novel Pseudo-Type III (PT3) compensation are presented. The proposed compensation maintains the fast load transient response of the conventional Type III compensator; while the Type ... | Fundamental analysis of a car to car visible light communication system This paper presents a mathematical model for car-to-car (C2C) visible light communications (VLC) that aims to predict the system performance under different communication geometries. A market-weighted headlamp beam pattern model is employed. We con... | A 32-Channel Time-Multiplexed Artifact-Aware Neural Recording System This paper presents a low-power, low-noise microsystem for the recording of neural local field potentials or intracranial electroencephalographic signals. It features 32 time-multiplexed channels at the electrode interface and offers the possibility t... | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Distributed exploration of dynamic rings In the graph exploration problem, a team of mobile computational entities, called agents, arbitrarily positioned at some nodes of a graph, must cooperate so that each node is eventually visited by at least one agent. In the literature, the main focus has been on graphs that are ... | Efficiently computing static single assignment form and the control dependence graph In optimizing compilers, data structure choices directly influence the power and efficiency of practical program optimization. A poor choice of data structure can inhibit optimization or slow compilation to the point that advanced opti... | The weakest failure detector for solving consensus We determine what information about failures is necessary and sufficient to solve Consensus in asynchronous distributed systems subject to crash failures. In Chandra and Toueg (1996), it is shown that {0, a failure detector that provides surprisingly little information... | Chord: A scalable peer-to-peer lookup service for internet applications A fundamental problem that confronts peer-to-peer applications is to efficiently locate the node that stores a particular data item. This paper presents Chord, a distributed lookup protocol that addresses this problem. Chord provides support for ju... | Database relations with null values A new formal approach is proposed for modeling incomplete database information by means of null values. The basis of our approach is an interpretation of nulls which obviates the need for more than one type of null. The conceptual soundness of this approach is demonstrated by general... | The Anatomy of the Grid: Enabling Scalable Virtual Organizations "Grid" computing has emerged as an important new field, distinguished from conventional distributed computing by its focus on large-scale resource sharing, innovative applications, and, in some cases, high performance orientation. In this article, the aut... | McPAT: An integrated power, area, and timing modeling framework for multicore and manycore architectures This paper introduces McPAT, an integrated power, area, and timing modeling framework that supports comprehensive design space exploration for multicore and manycore processor configurations ranging from 90 nm to 22... | Distributed Optimization and Statistical Learning via the Alternating Direction Method of Multipliers Many problems of recent interest in statistics and machine learning can be posed in the framework of convex optimization. Due to the explosion in size and complexity of modern datasets, it is increasingly important to ... | Skip graphs Skip graphs are a novel distributed data structure, based on skip lists, that provide the full functionality of a balanced tree in a distributed system where resources are stored in separate nodes that may fail at any time. They are designed for use in searching peer-to-peer systems, and by providing the ab... | The complexity of data aggregation in directed networks We study problems of data aggregation, such as approximate counting and computing the minimum input value, in synchronous directed networks with bounded message bandwidth B = Ω(log n). In undirected networks of diameter D, many such problems can easily be solved i... | A Local Passive Time Interpolation Concept for Variation-Tolerant High-Resolution Time-to-Digital Conversion Time-to-digital converters (TDCs) are promising building blocks for the digitalization of mixed-signal functionality in ultra-deep-submicron CMOS technologies. A short survey on state-of-the-art TDCs is given. A... | Area- and Power-Efficient Monolithic Buck Converters With Pseudo-Type III Compensation Monolithic PWM voltage-mode buck converters with a novel Pseudo-Type III (PT3) compensation are presented. The proposed compensation maintains the fast load transient response of the conventional Type III compensator; while the Type ... | Fundamental analysis of a car to car visible light communication system This paper presents a mathematical model for car-to-car (C2C) visible light communications (VLC) that aims to predict the system performance under different communication geometries. A market-weighted headlamp beam pattern model is employed. We con... | A Heterogeneous PIM Hardware-Software Co-Design for Energy-Efficient Graph Processing Processing-In-Memory (PIM) is an emerging technology that addresses the memory bottleneck of graph processing. In general, analog memristor-based PIM promises high parallelism provided that the underlying matrix-structured crossbar ca... | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
An Energy Autonomous 400 MHz Active Wireless SAW Temperature Sensor Powered by Vibration Energy Harvesting An energy autonomous active wireless surface acoustic wave (SAW) temperature sensor system is presented in this paper. The proposed system adopts direct temperature to frequency conversion using a lithium niobate ... | Efficiently computing static single assignment form and the control dependence graph In optimizing compilers, data structure choices directly influence the power and efficiency of practical program optimization. A poor choice of data structure can inhibit optimization or slow compilation to the point that advanced opti... | The weakest failure detector for solving consensus We determine what information about failures is necessary and sufficient to solve Consensus in asynchronous distributed systems subject to crash failures. In Chandra and Toueg (1996), it is shown that {0, a failure detector that provides surprisingly little information... | Chord: A scalable peer-to-peer lookup service for internet applications A fundamental problem that confronts peer-to-peer applications is to efficiently locate the node that stores a particular data item. This paper presents Chord, a distributed lookup protocol that addresses this problem. Chord provides support for ju... | Database relations with null values A new formal approach is proposed for modeling incomplete database information by means of null values. The basis of our approach is an interpretation of nulls which obviates the need for more than one type of null. The conceptual soundness of this approach is demonstrated by general... | The Anatomy of the Grid: Enabling Scalable Virtual Organizations "Grid" computing has emerged as an important new field, distinguished from conventional distributed computing by its focus on large-scale resource sharing, innovative applications, and, in some cases, high performance orientation. In this article, the aut... | McPAT: An integrated power, area, and timing modeling framework for multicore and manycore architectures This paper introduces McPAT, an integrated power, area, and timing modeling framework that supports comprehensive design space exploration for multicore and manycore processor configurations ranging from 90 nm to 22... | Distributed Optimization and Statistical Learning via the Alternating Direction Method of Multipliers Many problems of recent interest in statistics and machine learning can be posed in the framework of convex optimization. Due to the explosion in size and complexity of modern datasets, it is increasingly important to ... | Skip graphs Skip graphs are a novel distributed data structure, based on skip lists, that provide the full functionality of a balanced tree in a distributed system where resources are stored in separate nodes that may fail at any time. They are designed for use in searching peer-to-peer systems, and by providing the ab... | The complexity of data aggregation in directed networks We study problems of data aggregation, such as approximate counting and computing the minimum input value, in synchronous directed networks with bounded message bandwidth B = Ω(log n). In undirected networks of diameter D, many such problems can easily be solved i... | A Local Passive Time Interpolation Concept for Variation-Tolerant High-Resolution Time-to-Digital Conversion Time-to-digital converters (TDCs) are promising building blocks for the digitalization of mixed-signal functionality in ultra-deep-submicron CMOS technologies. A short survey on state-of-the-art TDCs is given. A... | Area- and Power-Efficient Monolithic Buck Converters With Pseudo-Type III Compensation Monolithic PWM voltage-mode buck converters with a novel Pseudo-Type III (PT3) compensation are presented. The proposed compensation maintains the fast load transient response of the conventional Type III compensator; while the Type ... | Conductance modulation techniques in switched-capacitor DC-DC converter for maximum-efficiency tracking and ripple mitigation in 22nm Tri-gate CMOS Active conduction modulation techniques are demonstrated in a fully integrated multi-ratio switched-capacitor voltage regulator with hysteretic control, implemented in 22nm... | A Heterogeneous PIM Hardware-Software Co-Design for Energy-Efficient Graph Processing Processing-In-Memory (PIM) is an emerging technology that addresses the memory bottleneck of graph processing. In general, analog memristor-based PIM promises high parallelism provided that the underlying matrix-structured crossbar ca... | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
SIF-NPU: A 28nm 3.48 TOPS/W 0.25 TOPS/mm<sup>2</sup> CNN Accelerator with Spatially Independent Fusion for Real-Time UHD Super-Resolution This paper proposes a convolutional neural network (CNN)-based super-resolution accelerator for up-scaling to ultra-HD (UHD) resolution in real-time in edge devices. A novel error-co... | Efficiently computing static single assignment form and the control dependence graph In optimizing compilers, data structure choices directly influence the power and efficiency of practical program optimization. A poor choice of data structure can inhibit optimization or slow compilation to the point that advanced opti... | The weakest failure detector for solving consensus We determine what information about failures is necessary and sufficient to solve Consensus in asynchronous distributed systems subject to crash failures. In Chandra and Toueg (1996), it is shown that {0, a failure detector that provides surprisingly little information... | Chord: A scalable peer-to-peer lookup service for internet applications A fundamental problem that confronts peer-to-peer applications is to efficiently locate the node that stores a particular data item. This paper presents Chord, a distributed lookup protocol that addresses this problem. Chord provides support for ju... | Database relations with null values A new formal approach is proposed for modeling incomplete database information by means of null values. The basis of our approach is an interpretation of nulls which obviates the need for more than one type of null. The conceptual soundness of this approach is demonstrated by general... | The Anatomy of the Grid: Enabling Scalable Virtual Organizations "Grid" computing has emerged as an important new field, distinguished from conventional distributed computing by its focus on large-scale resource sharing, innovative applications, and, in some cases, high performance orientation. In this article, the aut... | McPAT: An integrated power, area, and timing modeling framework for multicore and manycore architectures This paper introduces McPAT, an integrated power, area, and timing modeling framework that supports comprehensive design space exploration for multicore and manycore processor configurations ranging from 90 nm to 22... | Distributed Optimization and Statistical Learning via the Alternating Direction Method of Multipliers Many problems of recent interest in statistics and machine learning can be posed in the framework of convex optimization. Due to the explosion in size and complexity of modern datasets, it is increasingly important to ... | Skip graphs Skip graphs are a novel distributed data structure, based on skip lists, that provide the full functionality of a balanced tree in a distributed system where resources are stored in separate nodes that may fail at any time. They are designed for use in searching peer-to-peer systems, and by providing the ab... | The complexity of data aggregation in directed networks We study problems of data aggregation, such as approximate counting and computing the minimum input value, in synchronous directed networks with bounded message bandwidth B = Ω(log n). In undirected networks of diameter D, many such problems can easily be solved i... | A Local Passive Time Interpolation Concept for Variation-Tolerant High-Resolution Time-to-Digital Conversion Time-to-digital converters (TDCs) are promising building blocks for the digitalization of mixed-signal functionality in ultra-deep-submicron CMOS technologies. A short survey on state-of-the-art TDCs is given. A... | Area- and Power-Efficient Monolithic Buck Converters With Pseudo-Type III Compensation Monolithic PWM voltage-mode buck converters with a novel Pseudo-Type III (PT3) compensation are presented. The proposed compensation maintains the fast load transient response of the conventional Type III compensator; while the Type ... | Fundamental analysis of a car to car visible light communication system This paper presents a mathematical model for car-to-car (C2C) visible light communications (VLC) that aims to predict the system performance under different communication geometries. A market-weighted headlamp beam pattern model is employed. We con... | A 32-Channel Time-Multiplexed Artifact-Aware Neural Recording System This paper presents a low-power, low-noise microsystem for the recording of neural local field potentials or intracranial electroencephalographic signals. It features 32 time-multiplexed channels at the electrode interface and offers the possibility t... | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
An all-digital clock generator using a fractionally injection-locked oscillator in 65nm CMOS Injection locking is an effective method to reduce the jitter of clock generators especially for a ring oscillator-based PLL that has poor phase noise. While the use of injection locking reduces the output jitter, one disadvant... | A Spur-and-Phase-Noise-Filtering Technique for Inductor-Less Fractional-N Injection-Locked PLLs. A novel phase-noise-filtering technique based on phase-domain averaging is proposed to suppress the large injection spurs and poor high-frequency phase noise of inductor-less injection-locked phase-locked loops (IL-PLLs). D... | A 2.4GHz sub-harmonically injection-locked PLL with self-calibrated injection timing A low-phase-noise integer-N phase-locked loop (PLL) is attractive in many applications, such as clock generation and analog-to-digital conversion. The sub-harmonically injection-locked technique, sub-sampling technique, and the multipl... | 21.1 A 1.7GHz MDLL-based fractional-N frequency synthesizer with 1.4ps RMS integrated jitter and 3mW power using a 1b TDC The introduction of inductorless frequency synthesizers into standardized wireless systems still requires a high level of innovation in order to achieve the stringent requirements of low noise and l... | A 1.1-GHz CMOS fractional-N frequency synthesizer with a 3-b third-order ΔΣ modulator A 1.1-GHz fractional-N frequency synthesizer is implemented in 0.5-/spl mu/m CMOS employing a 3-b third-order /spl Delta//spl Sigma/ modulator. The in-band phase noise of -92 dBc/Hz at 10-kHz offset with a spur of less than -95 dBc is... | A 13-b 40-MSamples/s CMOS pipelined folding ADC with background offset trimming Two key concepts of pipelining and background offset trimming are applied to demonstrate a 13-b 40-MSamples/s CMOS analog-to-digital converter (ADC) based on the basic folding and interpolation architecture. Folding amplifier stages made of... | A 5.4-Gbit/s Adaptive Continuous-Time Linear Equalizer Using Asynchronous Undersampling Histograms We demonstrate a new type of adaptive continuous-time linear equalizer (CTLE) based on asynchronous undersampling histograms. Our CTLE automatically selects the optimal equalizing filter coefficient among several predeter... | Enhanced phase noise modeling of fractional-N frequency synthesizers. Mathematical models for the behavior of fractional-N phase-locked-loop frequency synthesizers (Frac-N) are presented. The models are intended for calculating rms phase error and determining spurs in the output of Frac-N. The models describe noise con... | Distributed estimation and quantization An algorithm is developed for the design of a nonlinear, n-sensor, distributed estimation system subject to communication and computation constraints. The algorithm uses only bivariate probability distributions and yields locally optimal estimators that satisfy the required syste... | Adaptive clustering for mobile wireless networks This paper describes a self-organizing, multihop, mobile radio network which relies on a code-division access scheme for multimedia support. In the proposed network architecture, nodes are organized into nonoverlapping clusters. The clusters are independently controlled,... | A dynamic analysis of the Dickson charge pump circuit Dynamics of the Dickson charge pump circuit are analyzed. The analytical results enable the estimation of the rise time of the output voltage and that of the power consumption during boosting. By using this analysis, the optimum number of stages to minimize the rise... | Extermal cover times for random walks on trees | 16.7 A 20V 8.4W 20MHz four-phase GaN DC-DC converter with fully on-chip dual-SR bootstrapped GaN FET driver achieving 4ns constant propagation delay and 1ns switching rise time Recently, the demand for miniaturized and fast transient response power delivery systems has been growing in high-voltage industrial electronic... | A Heterogeneous PIM Hardware-Software Co-Design for Energy-Efficient Graph Processing Processing-In-Memory (PIM) is an emerging technology that addresses the memory bottleneck of graph processing. In general, analog memristor-based PIM promises high parallelism provided that the underlying matrix-structured crossbar ca... | 1.072447 | 0.04 | 0.033423 | 0.022208 | 0.011119 | 0.003333 | 0.000333 | 0.000088 | 0 | 0 | 0 | 0 | 0 | 0 |
Comparing the performance of distributed hash tables under churn A protocol for a distributed hash table (DHT) incurs communication costs to keep up with churn – changes in membership – in order to maintain its ability to route lookups efficiently. This paper formulates a unified framework for evaluating cost and perfo... | Modeling Churn in P2P Networks The objective of this paper is to introduce a model to guide the analysis of the impact of churn in P2P networks. Using this model, a variety of node membership scenarios is created. These scenarios are used to capture and analyze the performance trends of Chord, a distributed hash table ... | Designing Less-Structured P2P Systems for the Expected High Churn We address the problem of highly transient populations in unstructured and loosely structured peer-to-peer (P2P) systems. We propose a number of illustrative query-related strategies and organizational protocols that, by taking into consideration the exp... | Decentralized approach to resource availability prediction using group availability in a P2P desktop grid In a desktop grid model, the job (computational task) is submitted for execution in the resource only when the resource is idle. There is no guarantee that the job which has started to execute in a resource will co... | Frt-Skip Graph: A Skip Graph-Style Structured Overlay Based On Flexible Routing Tables Structured overlays enable a number of nodes to construct a logical network autonomously and search each other. Skip Graph, one of the structured overlays, constructs an overlay network based on Skip List structure and supports range... | An adaptive stabilization framework for distributed hash tables Distributed Hash Tables (DHT) algorithms obtain good lookup performance bounds by using deterministic rules to organize peer nodes into an overlay network. To preserve the invariants of the overlay network, DHTs use stabilization procedures that reorganize... | Authenticated and persistent skip graph: a data structure for cloud based data-centric applications Cloud computing has evolved as a popular computing environment. In data centric applications hosted on the cloud, data is accessed and updated in a purely distributed manner. The distributed data structures used for dyna... | Towards a Common API for Structured Peer-to-Peer Overlays In this paper, we describe an ongoing effort to define common APIs for structured peer-to-peer overlays and the key abstractions that can be built on them. In doing so, we hope to facilitate independent innovation in overlay protocols, services, and applications... | Broadband MIMO-OFDM Wireless Communications Orthogonal frequency division multiplexing (OFDM) is a popular method for high data rate wireless transmission. OFDM may be combined with antenna arrays at the transmitter and receiver to increase the diversity gain and/or to enhance the system capacity on time-varying and fr... | Reliable Multimedia Transmission Over Cognitive Radio Networks Using Fountain Codes With the explosive growth of wireless multimedia applications over the wireless Internet in recent years, the demand for radio spectral resources has increased significantly. In order to meet the quality of service, delay, and large ban... | An artificial neural network (p,d,q) model for timeseries forecasting Artificial neural networks (ANNs) are flexible computing frameworks and universal approximators that can be applied to a wide range of time series forecasting problems with a high degree of accuracy. However, despite all advantages cited for artifici... | A 2.87±0.19dB NF 3.1∼10.6GHz ultra-wideband low-noise amplifier using 0.18µm CMOS technology. | 20.3 A feedforward controlled on-chip switched-capacitor voltage regulator delivering 10W in 32nm SOI CMOS On-chip (or fully integrated) switched-capacitor (SC) voltage regulators (SCVR) have recently received a lot of attention due to their ease of monolithic integration. The use of deep trench capacitors can lead to ... | A Heterogeneous PIM Hardware-Software Co-Design for Energy-Efficient Graph Processing Processing-In-Memory (PIM) is an emerging technology that addresses the memory bottleneck of graph processing. In general, analog memristor-based PIM promises high parallelism provided that the underlying matrix-structured crossbar ca... | 1.045896 | 0.044889 | 0.033778 | 0.033333 | 0.033333 | 0.026111 | 0.015128 | 0.00087 | 0 | 0 | 0 | 0 | 0 | 0 |
SecDir: a secure directory to defeat directory side-channel attacks Directories for cache coherence have been recently shown to be vulnerable to conflict-based side-channel attacks. By forcing directory conflicts, an attacker can evict victim directory entries, which in turn trigger the eviction of victim cache lines f... | TILE64 - Processor: A 64-Core SoC with Mesh Interconnect The TILE64TM processor is a multicore SoC targeting the high-performance demands of a wide range of embedded applications across networking and digital multimedia applications. A figure shows a block diagram with 64 tile processors arranged in an 8x8 array. These... | Dynamic adaptive virtual core mapping to improve power, energy, and performance in multi-socket multicores Consider a multithreaded parallel application running inside a multicore virtual machine context that is itself hosted on a multi-socket multicore physical machine. How should the VMM map virtual cores to physical... | Whispers in the Hyper-Space: High-Bandwidth and Reliable Covert Channel Attacks Inside the Cloud Privacy and information security in general are major concerns that impede enterprise adaptation of shared or public cloud computing. Specifically, the concern of virtual machine (VM) physical co-residency stems from the th... | Sliding Right Into Disaster: Left-To-Right Sliding Windows Leak It is well known that constant-time implementations of modular exponentiation cannot use sliding windows. However, software libraries such as Libgcrypt, used by GnuPG, continue to use sliding windows. It is widely believed that, even if the complete patter... | NetCAT: Practical Cache Attacks from the Network Increased peripheral performance is causing strain on the memory subsystem of modern processors. For example, available DRAM throughput can no longer sustain the traffic of a modern network card. Scrambling to deliver the promised performance, instead of transferring per... | ABSynthe: Automatic Blackbox Side-channel Synthesis on Commodity Microarchitectures | The part-time parliament Recent archaeological discoveries on the island of Paxos reveal that the parliament functioned despite the peripatetic propensity of its part-time legislators. The legislators maintained consistent copies of the parliamentary record, despite their frequent forays from the chamber and the forget... | Multi-Strategy Coevolving Aging Particle Optimization We propose Multi-Strategy Coevolving Aging Particles (MS-CAP), a novel population-based algorithm for black-box optimization. In a memetic fashion, MS-CAP combines two components with complementary algorithm logics. In the first stage, each particle is perturbed ind... | Analog-to-digital converter survey and analysis Analog-to-digital converters (ADCs) are ubiquitous, critical components of software radio and other signal processing systems. This paper surveys the state-of-the-art of ADCs, including experimental converters and commercially available parts. The distribution of resoluti... | A process calculus for Mobile Ad Hoc Networks We present the @w-calculus, a process calculus for formally modeling and reasoning about Mobile Ad Hoc Wireless Networks (MANETs) and their protocols. The @w-calculus naturally captures essential characteristics of MANETs, including the ability of a MANET node to broadcast ... | A 13-b 40-MSamples/s CMOS pipelined folding ADC with background offset trimming Two key concepts of pipelining and background offset trimming are applied to demonstrate a 13-b 40-MSamples/s CMOS analog-to-digital converter (ADC) based on the basic folding and interpolation architecture. Folding amplifier stages made of... | Integration operators for generating RDF/OWL-based user defined mediator views in a grid environment Research and development activities relating to the grid have generally focused on applications where data is stored in files. However, many scientific and commercial applications are highly dependent on Information Ser... | A Sub- $\mu$ W Reconfigurable Front-End for Invasive Neural Recording That Exploits the Spectral Characteristics of the Wideband Neural Signal This paper presents a sub-
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Artificial Intelligence Service by Satellite Networks based on Ensemble Learning with Cloud-Edge-End Integration Satellite network is the necessary supplement to ground network for wireless coverage for remote area. At the same time, Deep Neural Networks (DNN) based artificial intelligence (AI) applications has been wi... | Efficiently computing static single assignment form and the control dependence graph In optimizing compilers, data structure choices directly influence the power and efficiency of practical program optimization. A poor choice of data structure can inhibit optimization or slow compilation to the point that advanced opti... | The weakest failure detector for solving consensus We determine what information about failures is necessary and sufficient to solve Consensus in asynchronous distributed systems subject to crash failures. In Chandra and Toueg (1996), it is shown that {0, a failure detector that provides surprisingly little information... | Chord: A scalable peer-to-peer lookup service for internet applications A fundamental problem that confronts peer-to-peer applications is to efficiently locate the node that stores a particular data item. This paper presents Chord, a distributed lookup protocol that addresses this problem. Chord provides support for ju... | Database relations with null values A new formal approach is proposed for modeling incomplete database information by means of null values. The basis of our approach is an interpretation of nulls which obviates the need for more than one type of null. The conceptual soundness of this approach is demonstrated by general... | The Anatomy of the Grid: Enabling Scalable Virtual Organizations "Grid" computing has emerged as an important new field, distinguished from conventional distributed computing by its focus on large-scale resource sharing, innovative applications, and, in some cases, high performance orientation. In this article, the aut... | McPAT: An integrated power, area, and timing modeling framework for multicore and manycore architectures This paper introduces McPAT, an integrated power, area, and timing modeling framework that supports comprehensive design space exploration for multicore and manycore processor configurations ranging from 90 nm to 22... | Distributed Optimization and Statistical Learning via the Alternating Direction Method of Multipliers Many problems of recent interest in statistics and machine learning can be posed in the framework of convex optimization. Due to the explosion in size and complexity of modern datasets, it is increasingly important to ... | Skip graphs Skip graphs are a novel distributed data structure, based on skip lists, that provide the full functionality of a balanced tree in a distributed system where resources are stored in separate nodes that may fail at any time. They are designed for use in searching peer-to-peer systems, and by providing the ab... | The complexity of data aggregation in directed networks We study problems of data aggregation, such as approximate counting and computing the minimum input value, in synchronous directed networks with bounded message bandwidth B = Ω(log n). In undirected networks of diameter D, many such problems can easily be solved i... | A Local Passive Time Interpolation Concept for Variation-Tolerant High-Resolution Time-to-Digital Conversion Time-to-digital converters (TDCs) are promising building blocks for the digitalization of mixed-signal functionality in ultra-deep-submicron CMOS technologies. A short survey on state-of-the-art TDCs is given. A... | Area- and Power-Efficient Monolithic Buck Converters With Pseudo-Type III Compensation Monolithic PWM voltage-mode buck converters with a novel Pseudo-Type III (PT3) compensation are presented. The proposed compensation maintains the fast load transient response of the conventional Type III compensator; while the Type ... | Fundamental analysis of a car to car visible light communication system This paper presents a mathematical model for car-to-car (C2C) visible light communications (VLC) that aims to predict the system performance under different communication geometries. A market-weighted headlamp beam pattern model is employed. We con... | A 32-Channel Time-Multiplexed Artifact-Aware Neural Recording System This paper presents a low-power, low-noise microsystem for the recording of neural local field potentials or intracranial electroencephalographic signals. It features 32 time-multiplexed channels at the electrode interface and offers the possibility t... | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
A 56-Gb/s 8-mW PAM4 CDR/DMUX With High Jitter Tolerance The demand for low-power wireline circuits has motivated extensive work on novel circuit solutions. This article describes a one-eighth-rate clock and data recovery (CDR) circuit and a demultiplexer (DMUX) for processing four-level pulse-amplitude modulation (PAM4... | A 3x9 Gb/s Shared, All-Digital CDR for High-Speed, High-Density I/O. This paper presents a novel all-digital CDR scheme in 90 nm CMOS. Two independently adjustable clock phases are generated from a delay line calibrated to 2 UI. One clock phase is placed in the middle of the eye to recover the data (“data clock”) and t... | 0.6–2.7-Gb/s Referenceless Parallel CDR With a Stochastic Dispersion-Tolerant Frequency Acquisition Technique A 0.6-2.7-Gb/s phase-rotator-based four-channel digital clock and data recovery (CDR) IC featuring a low-power dispersion-tolerant referenceless frequency acquisition technique is presented. A quasi-periodic re... | A 6-Gb/s adaptive-loop-bandwidth clock and data recovery (CDR) circuit An adaptive circuit is proposed to adjust CDR loop bandwidth based on different jitter spectral profile for better jitter performance. The preventional lock detector (PLD) is employed to achieve better jitter suppression ability without jitter toler... | High-Performance Harmonic-Rich Single-Core VCO With Multi-LC Tank: A Tutorial This brief overviews the development of high-performance single-core voltage-controlled oscillators (VCOs) employing a multi-LC tank over the past two decades. From the circuit-design perspective, we study the key breakthroughs for constantly... | A 140-Mb/s to 1.82-Gb/s continuous-rate embedded clock receiver for flat-panel displays A wide-range fast-locking embedded clock receiver, which can provide a continuous data rate of 140 Mb/s to 1.82 Gb/s in a 0.25-µm CMOS process, is presented. A fast lock time of 7.5 µs and a small root-mean-square jitter of 15 ps ar... | Chord: A scalable peer-to-peer lookup service for internet applications A fundamental problem that confronts peer-to-peer applications is to efficiently locate the node that stores a particular data item. This paper presents Chord, a distributed lookup protocol that addresses this problem. Chord provides support for ju... | Measuring the Gap Between FPGAs and ASICs ABSTRACT This paper presents experimental measurements of the differences between a 90nm CMOS FPGA and 90nm CMOS Standard Cell ASICs in terms of logic density, circuit speed and power consumption. We are motivated to make these measurements to enable system designers to make be... | Termination detection for diffusing computations | Distributed multi-agent optimization with state-dependent communication We study distributed algorithms for solving global optimization problems in which the objective function is the sum of local objective functions of agents and the constraint set is given by the intersection of local constraint sets of agents. We as... | Practical Mitigations for Timing-Based Side-Channel Attacks on Modern x86 Processors This paper studies and evaluates the extent to which automated compiler techniques can defend against timing-based side-channel attacks on modern x86 processors. We study how modern x86 processors can leak timing information through si... | A Dht-Based Discovery Service For The Internet Of Things Current trends towards the Future Internet are envisaging the conception of novel services endowed with context-aware and autonomic capabilities to improve end users' quality of life. The Internet of Things paradigm is expected to contribute towards this ambitiou... | P2P-Based Service Distribution over Distributed Resources Dynamic or demand-driven service deployment in a Grid or Cloud environment is an important issue considering the varying nature of demand. Most distributed frameworks either offer static service deployment which results in resource allocation problems, or, are j... | A 1V 3.5 μW Bio-AFE With Chopper-Capacitor-Chopper Integrator-Based DSL and Low Power GM-C Filter This brief presents a low-noise, low-power bio-signal acquisition analog front-end (Bio-AFE). It mainly includes a capacitively coupled chopper-stabilized instrumentation amplifier (CCIA), a programmable gain amplifier (PG... | 1.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.066667 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Impact of Nonlinear Devices in Software Radio Signals Software radio signals with several channels have high dynamic range, making them very prone to nonlinear distortion effects, namely those inherent to an efficient power amplification. In this paper we present analytical approach evaluation for evaluating the impact... | Efficiently computing static single assignment form and the control dependence graph In optimizing compilers, data structure choices directly influence the power and efficiency of practical program optimization. A poor choice of data structure can inhibit optimization or slow compilation to the point that advanced opti... | The weakest failure detector for solving consensus We determine what information about failures is necessary and sufficient to solve Consensus in asynchronous distributed systems subject to crash failures. In Chandra and Toueg (1996), it is shown that {0, a failure detector that provides surprisingly little information... | Chord: A scalable peer-to-peer lookup service for internet applications A fundamental problem that confronts peer-to-peer applications is to efficiently locate the node that stores a particular data item. This paper presents Chord, a distributed lookup protocol that addresses this problem. Chord provides support for ju... | Database relations with null values A new formal approach is proposed for modeling incomplete database information by means of null values. The basis of our approach is an interpretation of nulls which obviates the need for more than one type of null. The conceptual soundness of this approach is demonstrated by general... | The Anatomy of the Grid: Enabling Scalable Virtual Organizations "Grid" computing has emerged as an important new field, distinguished from conventional distributed computing by its focus on large-scale resource sharing, innovative applications, and, in some cases, high performance orientation. In this article, the aut... | McPAT: An integrated power, area, and timing modeling framework for multicore and manycore architectures This paper introduces McPAT, an integrated power, area, and timing modeling framework that supports comprehensive design space exploration for multicore and manycore processor configurations ranging from 90 nm to 22... | Distributed Optimization and Statistical Learning via the Alternating Direction Method of Multipliers Many problems of recent interest in statistics and machine learning can be posed in the framework of convex optimization. Due to the explosion in size and complexity of modern datasets, it is increasingly important to ... | Skip graphs Skip graphs are a novel distributed data structure, based on skip lists, that provide the full functionality of a balanced tree in a distributed system where resources are stored in separate nodes that may fail at any time. They are designed for use in searching peer-to-peer systems, and by providing the ab... | The complexity of data aggregation in directed networks We study problems of data aggregation, such as approximate counting and computing the minimum input value, in synchronous directed networks with bounded message bandwidth B = Ω(log n). In undirected networks of diameter D, many such problems can easily be solved i... | A Local Passive Time Interpolation Concept for Variation-Tolerant High-Resolution Time-to-Digital Conversion Time-to-digital converters (TDCs) are promising building blocks for the digitalization of mixed-signal functionality in ultra-deep-submicron CMOS technologies. A short survey on state-of-the-art TDCs is given. A... | Area- and Power-Efficient Monolithic Buck Converters With Pseudo-Type III Compensation Monolithic PWM voltage-mode buck converters with a novel Pseudo-Type III (PT3) compensation are presented. The proposed compensation maintains the fast load transient response of the conventional Type III compensator; while the Type ... | Fundamental analysis of a car to car visible light communication system This paper presents a mathematical model for car-to-car (C2C) visible light communications (VLC) that aims to predict the system performance under different communication geometries. A market-weighted headlamp beam pattern model is employed. We con... | A Heterogeneous PIM Hardware-Software Co-Design for Energy-Efficient Graph Processing Processing-In-Memory (PIM) is an emerging technology that addresses the memory bottleneck of graph processing. In general, analog memristor-based PIM promises high parallelism provided that the underlying matrix-structured crossbar ca... | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
GraphP: Reducing Communication for PIM-Based Graph Processing with Efficient Data Partition Processing-In-Memory (PIM) is an effective technique that reduces data movements by integrating processing units within memory. The recent advance of “big data” and 3D stacking technology make PIM a practical and viable solution... | Toward standardized near-data processing with unrestricted data placement for GPUs 3D-stacked memory devices with processing logic can help alleviate the memory bandwidth bottleneck in GPUs. However, in order for such Near-Data Processing (NDP) memory stacks to be used for different GPU architectures, it is desirable t... | FAFNIR: Accelerating Sparse Gathering by Using Efficient Near-Memory Intelligent Reduction Memory-bound sparse gathering, caused by irregular random memory accesses, has become an obstacle in several on-demand applications such as embedding lookup in recommendation systems. To reduce the amount of data movement, and th... | Evolution of Memory Architecture Computer memories continue to serve the role that they first served in the electronic discrete variable automatic computer (EDVAC) machine documented by John von Neumann, namely that of supplying instructions and operands for calculations in a timely manner. As technology has made possi... | Near memory key/value lookup acceleration. In the "Big Data" era, fast lookup of keys in a key/value store is a ubiquitous operation. We have designed a near memory accelerator combining simple hardware building blocks to accelerate lookup in a hash table based key/value store. We report on the co-design of hardware an... | The Influence of the Sigmoid Function Parameters on the Speed of Backpropagation Learning Sigmoid function is the most commonly known function used in feed forward neural networks because of its nonlinearity and the computational simplicity of its derivative. In this paper we discuss a variant sigmoid function with thr... | Data access optimization in a processing-in-memory system The Active Memory Cube (AMC) system is a novel heterogeneous computing system concept designed to provide high performance and power-efficiency across a range of applications. The AMC architecture includes general-purpose host processors and specially designed i... | Scheduling Techniques for GPU Architectures with Processing-In-Memory Capabilities. Processing data in or near memory (PIM), as opposed to in conventional computational units in a processor, can greatly alleviate the performance and energy penalties of data transfers from/to main memory. Graphics Processing Unit (GPU) ... | Big Data: A Survey. In this paper, we review the background and state-of-the-art of big data. We first introduce the general background of big data and review related technologies, such as could computing, Internet of Things, data centers, and Hadoop. We then focus on the four phases of the value chain of big data, i.e... | Energy-Efficient Communication Protocol for Wireless Microsensor Networks Wireless distributed micro-sensor systems will enable the reliable monitoring of a variety of environments for both civil and military applications. In this paper, we look at communication protocols, which can have significant impact on the overa... | The path to the software-defined radio receiver After being the subject of speculation for many years, a software-defined radio receiver concept has emerged that is suitable for mobile handsets. A key step forward is the realization that in mobile handsets, it is enough to receive one channel with any bandwidth, situat... | On the Design of a Reconfigurable OTA-C Filter for Software Radio This paper presents a novel approach in the design of integrated reconfigurable and programmable analog filters for commercial mobile applications. The method is described in the specific context of an analog filter which is capable of operating in both ... | Time-Varying Input and State Delay Compensation for Uncertain Nonlinear Systems. A robust controller is developed for uncertain, second-order nonlinear systems subject to simultaneous unknown, time-varying state delays and known, sufficiently small time-varying input delays in addition to additive, sufficiently smooth ... | A Sub- $\mu$ W Reconfigurable Front-End for Invasive Neural Recording That Exploits the Spectral Characteristics of the Wideband Neural Signal This paper presents a sub-
<inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> <tex-math notation="LaTeX">$\mu \text{W}$ <... | 1.025125 | 0.025333 | 0.025 | 0.025 | 0.025 | 0.025 | 0.0202 | 0.011527 | 0.00016 | 0 | 0 | 0 | 0 | 0 |
A 6.5 GHz wideband CMOS low noise amplifier for multi-band use LNA based on a noise-cancelled common gate topology spans 0.1 to 6.5 GHz with a gain of 19 dB, a NF of 3 dB, and s11 < -10 dB. It is realized in 0.13-mum CMOS and dissipates 12 mW | Charge-domain signal processing of direct RF sampling mixer with discrete-time filters in Bluetooth and GSM receivers RF circuits for multi-GHz frequencies have recently migrated to low-cost digital deep-submicron CMOS processes. Unfortunately, this process environment, which is optimized only for digital logic and SRA... | Low-Area Active-Feedback Low-Noise Amplifier Design in Scaled Digital CMOS The emerging concept of multistandard radios calls for low-noise amplifier (LNA) solutions able to comply with their needs. Meanwhile, the increasing cost of scaled CMOS pushes towards low-area solutions in standard, digital CMOS. Feedback LNAs ... | Second-order intermodulation mechanisms in CMOS downconverters An in-depth analysis of the mechanisms responsible for second-order intermodulation distortion in CMOS active downconverters is proposed in this paper. The achievable second-order input intercept point (IIP2) has a fundamental limit due to nonlinearity and ... | Software-defined radio receiver: dream to reality This article describes a fully integrated 90 nm CMOS software-defined radio receiver operating in the 800 MHz to 5 GHz band. Unlike the classical SDR paradigm, which digitizes the whole spectrum uniformly, this receiver acts as a signal conditioner for the analog-to-dig... | Wideband Balun-LNA With Simultaneous Output Balancing, Noise-Canceling and Distortion-Canceling An inductorless low-noise amplifier (LNA) with active balun is proposed for multi-standard radio applications between 100 MHz and 6 GHz. It exploits a combination of a common-gate (CGH) stage and an admittance-scaled common-... | A novel power optimization technique for ultra-low power RFICs This paper presents a novel power optimization technique for ultra-low power (ULP) RFICs. A new figure of merit, namely the gmfT-to-current ratio, (gmfT/ID), is defined for a MOS transistor, which accounts for both the unity-gain frequency and current consu... | A Single–Chip 10-Band WCDMA/HSDPA 4-Band GSM/EDGE SAW-less CMOS Receiver With DigRF 3G Interface and ${+}$ 90 dBm IIP2 This paper describes the design and performance of a 90 nm CMOS SAW-less receiver with DigRF interface that supports 10 WCDMA bands (I, II, III, IV, V, VI, VIII, IX, X, XI) and 4 GSM bands (GSM850, EGS... | Current-Recycling Complex Filter for Bluetooth-Low-Energy Applications This brief presents a flexible gm-C complex filter for Bluetooth-low-energy receivers. Each complex pole is realized sharing a bias current among transconductors, leading to an ultralow-power solution. The filter, which is designed in the 130-nm com... | A CMOS dual-switching power-supply modulator with 8% efficiency improvement for 20MHz LTE Envelope Tracking RF power amplifiers Envelope Tracking (ET) is an efficiency enhancement technique where the power supply of a linear RF power amplifier (PA) follows the envelope of the RF signal. It is specifically effective for... | Halide: a language and compiler for optimizing parallelism, locality, and recomputation in image processing pipelines Image processing pipelines combine the challenges of stencil computations and stream programs. They are composed of large graphs of different stencil stages, as well as complex reductions, and stages wi... | Multiparadigm Programming in Mozart/Oz, Second International Conference, MOZ 2004, Charleroi, Belgium, October 7-8, 2004, Revised Selected and Invited Papers | PUMP: a programmable unit for metadata processing We introduce the Programmable Unit for Metadata Processing (PUMP), a novel software-hardware element that allows flexible computation with uninterpreted metadata alongside the main computation with modest impact on runtime performance (typically 10--40% for single polic... | A Heterogeneous PIM Hardware-Software Co-Design for Energy-Efficient Graph Processing Processing-In-Memory (PIM) is an emerging technology that addresses the memory bottleneck of graph processing. In general, analog memristor-based PIM promises high parallelism provided that the underlying matrix-structured crossbar ca... | 1.01602 | 0.008986 | 0.007435 | 0.006294 | 0.003665 | 0.00211 | 0.000325 | 0.000047 | 0.000006 | 0 | 0 | 0 | 0 | 0 |
A CMOS 1.2-V Hybrid Current- and Voltage-Mode Three-Way Digital Doherty PA With Built-In Phase Nonlinearity Compensation This article presents a fully integrated hybrid current- and voltage-mode three-way digital Doherty power amplifier (PA) in CMOS using a single supply with built-in large-signal phase nonlinearity co... | A Watt-Level Quadrature Class-G Switched-Capacitor Power Amplifier With Linearization Techniques A 30.1-dBm quadrature transmitter is implemented based on Class-G IQ-cell-shared switched-capacitor power amplifier (SCPA) and voltage mismatch compensation techniques for dual-supply voltage in a Class-G SCPA. For the Clas... | All digital-quadrature-modulator based wideband wireless transmitters A novel architecture for a fully digital wideband wireless transmitter is presented. The proposed structure replaces high-dynamic-range analog circuits with high-speed digital circuits and offers a simple and flexible architecture, which requires les... | A Fully-Integrated High-Power Linear CMOS Power Amplifier With a Parallel-Series Combining Transformer. In this paper, a linear CMOS power amplifier (PA) with high output power (34-dBm saturated output power) for high data-rate mobile applications is introduced. The PA incorporates a parallel combination of four differ... | Voltage Mode Doherty Power Amplifier. This paper presents a new wideband Doherty amplifier technique that can achieve high efficiency while maintaining excellent linearity. By modifying a “forgotten” topology originally proposed by Doherty, a new Doherty amplifier architecture is realized with two voltage mode power am... | A Multimode Transmitter in 0.13 μm CMOS Using Direct-Digital RF Modulator This paper presents a system-independent transmitter architecture based on a direct-digital RF-modulator which combines the D/A conversion, up-conversion, unwanted sideband rejection, power control, and part of the digital image-rejection filteri... | Impossibility of distributed consensus with one faulty process The consensus problem involves an asynchronous system of processes, some of which may be unreliable. The problem is for the reliable processes to agree on a binary value. In this paper, it is shown that every protocol for this problem has the possibility of... | A fast and elitist multiobjective genetic algorithm: NSGA-II Multi-objective evolutionary algorithms (MOEAs) that use non-dominated sorting and sharing have been criticized mainly for: (1) their O(MN3) computational complexity (where M is the number of objectives and N is the population size); (2) their non-elitism app... | Language-based information-flow security Current standard security practices do not provide substantial assurance that the end-to-end behavior of a computing system satisfies important security policies such as confidentiality. An end-to-end confidentiality policy might assert that secret input data cannot be inferred ... | An Introduction To Compressive Sampling Conventional approaches to sampling signals or images follow Shannon's theorem: the sampling rate must be at least twice the maximum frequency present in the signal (Nyquist rate). In the field of data conversion, standard analog-to-digital converter (ADC) technology implemen... | QsCores: trading dark silicon for scalable energy efficiency with quasi-specific cores Transistor density continues to increase exponentially, but power dissipation per transistor is improving only slightly with each generation of Moore's law. Given the constant chip-level power budgets, this exponentially decreases th... | A 41-phase switched-capacitor power converter with 3.8mV output ripple and 81% efficiency in baseline 90nm CMOS. | P2P-Based Service Distribution over Distributed Resources Dynamic or demand-driven service deployment in a Grid or Cloud environment is an important issue considering the varying nature of demand. Most distributed frameworks either offer static service deployment which results in resource allocation problems, or, are j... | A Heterogeneous PIM Hardware-Software Co-Design for Energy-Efficient Graph Processing Processing-In-Memory (PIM) is an emerging technology that addresses the memory bottleneck of graph processing. In general, analog memristor-based PIM promises high parallelism provided that the underlying matrix-structured crossbar ca... | 1.066667 | 0.033333 | 0.033333 | 0.033333 | 0.022222 | 0.013333 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Spiking Neural Networks Hardware Implementations and Challenges: A Survey Neuromorphic computing is henceforth a major research field for both academic and industrial actors. As opposed to Von Neumann machines, brain-inspired processors aim at bringing closer the memory and the computational elements to efficiently eva... | A 65-nm Neuromorphic Image Classification Processor With Energy-Efficient Training Through Direct Spike-Only Feedback Recent advances in neural network (NN) and machine learning algorithms have sparked a wide array of research in specialized hardware, ranging from high-performance NN accelerators for use inside the ser... | From few to many: illumination cone models for face recognition under variable lighting and pose We present a generative appearance-based method for recognizing human faces under variation in lighting and viewpoint. Our method exploits the fact that the set of images of an object in fixed pose, but under all possible i... | A 1000 fps Vision Chip Based on a Dynamically Reconfigurable Hybrid Architecture Comprising a PE Array Processor and Self-Organizing Map Neural Network This paper proposes a vision chip hybrid architecture with dynamically reconfigurable processing element (PE) array processor and self-organizing map (SOM) neural netwo... | Efficient FPGA Implementations of Pair and Triplet-Based STDP for Neuromorphic Architectures Synaptic plasticity is envisioned to bring about learning and memory in the brain. Various plasticity rules have been proposed, among which spike-timing-dependent plasticity (STDP) has gained the highest interest across various... | Tianjic: A Unified and Scalable Chip Bridging Spike-Based and Continuous Neural Computation Toward the long-standing dream of artificial intelligence, two successful solution paths have been paved: 1) neuromorphic computing and 2) deep learning. Recently, they tend to interact for simultaneously achieving biological pl... | Efficiently computing static single assignment form and the control dependence graph In optimizing compilers, data structure choices directly influence the power and efficiency of practical program optimization. A poor choice of data structure can inhibit optimization or slow compilation to the point that advanced opti... | GPUWattch: enabling energy optimizations in GPGPUs General-purpose GPUs (GPGPUs) are becoming prevalent in mainstream computing, and performance per watt has emerged as a more crucial evaluation metric than peak performance. As such, GPU architects require robust tools that will enable them to quickly explore new ways ... | Disk Paxos We present an algorithm, called Disk Paxos, for implementing a reliable distributed system with a network of processors and disks. Like the original Paxos algorithm, Disk Paxos maintains consistency in the presence of arbitrary non-Byzantine faults. Progress can be guaranteed as long as a majority of the dis... | Winnowing: local algorithms for document fingerprinting Digital content is for copying: quotation, revision, plagiarism, and file sharing all create copies. Document fingerprinting is concerned with accurately identifying copying, including small partial copies, within large sets of documents.We introduce the class of ... | Cache Games -- Bringing Access-Based Cache Attacks on AES to Practice Side channel attacks on cryptographic systems exploit information gained from physical implementations rather than theoretical weaknesses of a scheme. In recent years, major achievements were made for the class of so called access-driven cache attack... | A 60-GHz 16QAM/8PSK/QPSK/BPSK Direct-Conversion Transceiver for IEEE802.15.3c. This paper presents a 60-GHz direct-conversion transceiver using 60-GHz quadrature oscillators. The transceiver has been fabricated in a standard 65-nm CMOS process. It in cludes a receiver with a 17.3-dB conversion gain and less than 8.0-dB... | CCFI: Cryptographically Enforced Control Flow Integrity Control flow integrity (CFI) restricts jumps and branches within a program to prevent attackers from executing arbitrary code in vulnerable programs. However, traditional CFI still offers attackers too much freedom to chose between valid jump targets, as seen in r... | Neuropixels Data-Acquisition System: A Scalable Platform for Parallel Recording of 10,000+ Electrophysiological Signals. Although CMOS fabrication has enabled a quick evolution in the design of high-density neural probes and neural-recording chips, the scaling and miniaturization of the complete data-acquisition system... | 1.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
7.6 A 65nm 236.5nJ/Classification Neuromorphic Processor with 7.5% Energy Overhead On-Chip Learning Using Direct Spike-Only Feedback Advances in neural network and machine learning algorithms have sparked a wide array of research in specialized hardware, ranging from high-performance convolutional neural network (CNN) ... | Unsupervised AER Object Recognition Based on Multiscale Spatio-Temporal Features and Spiking Neurons This article proposes an unsupervised address event representation (AER) object recognition approach. The proposed approach consists of a novel multiscale spatio-temporal feature (MuST) representation of input AER event... | DART: Distribution Aware Retinal Transform for Event-Based Cameras We introduce a generic visual descriptor, termed as distribution aware retinal transform (DART), that encodes the structural context using log-polar grids for event cameras. The DART descriptor is applied to four different problems, namely object classi... | Networks of spiking neurons: the third generation of neural network models The computational power of formal models for networks of spiking neurons is compared with that of other neural network models based on McCulloch Pitts neurons (i.e., threshold gates), respectively, sigmoidal gates. In particular it is shown that... | STDP-Based Pruning of Connections and Weight Quantization in Spiking Neural Networks for Energy-Efficient Recognition Spiking neural networks (SNNs) with a large number of weights and varied weight distribution can be difficult to implement in emerging in-memory computing hardware due to the limitations on crossbar siz... | Neurogrid: A Mixed-Analog-Digital Multichip System for Large-Scale Neural Simulations. In this paper, we describe the design of Neurogrid, a neuromorphic system for simulating large-scale neural models in real time. Neuromorphic systems realize the function of biological neural systems by emulating their structure. Des... | ISAAC: A Convolutional Neural Network Accelerator with In-Situ Analog Arithmetic in Crossbars. A number of recent efforts have attempted to design accelerators for popular machine learning algorithms, such as those involving convolutional and deep neural networks (CNNs and DNNs). These algorithms typically involve a la... | Information-driven dynamic sensor collaboration This article overviews the information-driven approach to sensor collaboration in ad hoc sensor networks. The main idea is for a network to determine participants in a "sensor collaboration" by dynamically optimizing the information utility of data for a given cost of com... | MorphoSys: An Integrated Reconfigurable System for Data-Parallel and Computation-Intensive Applications This paper introduces MorphoSys, a reconfigurable computing system developed to investigate the effectiveness of combining reconfigurable hardware with general-purpose processors for word-level, computation-intensive... | Adaptive Synchronization of an Uncertain Complex Dynamical Network This brief paper further investigates the locally and globally adaptive
synchronization of an uncertain complex dynamical network. Several network
synchronization criteria are deduced. Especially, our hypotheses and designed
adaptive controllers for net... | Cache Games -- Bringing Access-Based Cache Attacks on AES to Practice Side channel attacks on cryptographic systems exploit information gained from physical implementations rather than theoretical weaknesses of a scheme. In recent years, major achievements were made for the class of so called access-driven cache attack... | The analysis and improvement of a current-steering DACs dynamic SFDR-I: the cell-dependent delay differences For a high-accuracy current-steering digital-to-analog converters (DACs), the delay differences between the current sources is one of the major reasons that cause bad dynamic performance. In this paper, a mathem... | A 10-Bit 800-MHz 19-mW CMOS ADC A pipelined ADC employs charge-steering op amps to relax the trade-offs among speed, noise, and power consumption. Applying full-rate nonlinearity and gain error calibration, a prototype realized in 65-nm CMOS technology achieves an SNDR of 52.2 dB at an input frequency of 399.2MHz and a... | Multi-Channel Neural Recording Implants: A Review. The recently growing progress in neuroscience research and relevant achievements, as well as advancements in the fabrication process, have increased the demand for neural interfacing systems. Brain-machine interfaces (BMIs) have been revealed to be a promising method f... | 1.105 | 0.1 | 0.1 | 0.055 | 0.055 | 0.016571 | 0.000037 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
A Low Cost UHF RFID System with OCA tag for Short Range Communication A UHF RF identification system, consisting of a fully integrated tag and a special reader, has been developed for short range and harsh size requirement applications. The system is fabricated in the standard 0.18μm CMOS process. The whole tag chip wi... | A meter-range UWB transceiver chipset for around-the-head audio streaming Any around-the-body wireless system faces challenging requirements. This is especially true in the case of audio streaming around the head e.g. for wireless audio headsets or hearing-aid devices. The behind-the-ear device typically serves multipl... | Fundamental analysis of a car to car visible light communication system This paper presents a mathematical model for car-to-car (C2C) visible light communications (VLC) that aims to predict the system performance under different communication geometries. A market-weighted headlamp beam pattern model is employed. We con... | An Ultra Low Power, RF Energy Harvesting Transceiver for Multiple Node Sensor Application An ultra low power, wirelessly-powered RF transceiver for wireless sensor network is implemented using 180 nm CMOS technology. We propose a 98 μW, 457.5 MHz transmitter with output radiation power of -22 dBm. This transmitter util... | An Ultralow-Power Wake-Up Receiver Based on Direct Active RF Detection. An ultralow-power direct active RF detection wake-up receiver (WuRx) is presented. In order to reduce the power consumption and system complexity, a differential RF envelope detector is implemented in a complementary current-reuse architecture. The... | 0.56 V, –20 dBm RF-Powered, Multi-Node Wireless Body Area Network System-on-a-Chip With Harvesting-Efficiency Tracking Loop A battery-less, multi-node wireless body area network (WBAN) system-on-a-chip (SoC) is demonstrated. An efficiency tracking loop is proposed that adjusts the rectifier's threshold voltage to maxim... | High-Efficiency Differential-Drive CMOS Rectifier for UHF RFIDs A high-efficiency CMOS rectifier circuit for UHF RFIDs was developed. The rectifier has a cross-coupled bridge configuration and is driven by a differential RF input. A differential-drive active gate bias mechanism simultaneously enables both low ON-resist... | The GPU Computing Era GPU computing is at a tipping point, becoming more widely used in demanding consumer applications and high-performance computing. This article describes the rapid evolution of GPU architectures—from graphics processors to massively parallel many-core multiprocessors, recent developments in GPU com... | Searching in an unknown environment: an optimal randomized algorithm for the cow-path problem Searching for a goal is a central and extensively studied problem in computer science. In classical searching problems, the cost of a search function is simply the number of queries made to an oracle that knows the position of... | Pinning adaptive synchronization of a general complex dynamical network There are two challenging fundamental questions in pinning control of complex networks: (i) How many nodes should a network with fixed network structure and coupling strength be pinned to reach network synchronization? (ii) How much coupling streng... | Wireless communications in the twenty-first century: a perspective Wireless communications are expected to be the dominant mode of access technology in the next century. Besides voice, a new range of services such as multimedia, high-speed data, etc. are being offered for delivery over wireless networks. Mobility will ... | A decentralized modular control framework for robust control of FES-activated walker-assisted paraplegic walking using terminal sliding mode and fuzzy logic control. A major challenge to developing functional electrical stimulation (FES) systems for paraplegic walking and widespread acceptance of these systems is the d... | Understanding the regenerative comparator circuit The regenerative comparator circuit which lies at the heart of A/D conversion, slicer circuits, and memory sensing, is unstable, time-varying, nonlinear, and with multiple equilibria. That does not mean, as this paper shows, that it cannot be understood with simple equi... | A 12.6 mW, 573-2901 kS/s Reconfigurable Processor for Reconstruction of Compressively Sensed Physiological Signals. This article presents a reconfigurable processor based on the alternating direction method of multipliers (ADMM) algorithm for reconstructing compressively sensed physiological signals. The architecture i... | 1.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.1 | 0.02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
A 32.75-Gb/s Voltage-Mode Transmitter With Three-Tap FFE in 16-nm CMOS. This paper describes a 32.75-Gb/s voltage-mode transmitter (TX) with three-tap feed forward equalization that is fabricated in a 16-nm FinFET CMOS technology. The TX uses a dual regulator architecture to allow independent control of output swing, o... | Efficiently computing static single assignment form and the control dependence graph In optimizing compilers, data structure choices directly influence the power and efficiency of practical program optimization. A poor choice of data structure can inhibit optimization or slow compilation to the point that advanced opti... | The weakest failure detector for solving consensus We determine what information about failures is necessary and sufficient to solve Consensus in asynchronous distributed systems subject to crash failures. In Chandra and Toueg (1996), it is shown that {0, a failure detector that provides surprisingly little information... | Chord: A scalable peer-to-peer lookup service for internet applications A fundamental problem that confronts peer-to-peer applications is to efficiently locate the node that stores a particular data item. This paper presents Chord, a distributed lookup protocol that addresses this problem. Chord provides support for ju... | Database relations with null values A new formal approach is proposed for modeling incomplete database information by means of null values. The basis of our approach is an interpretation of nulls which obviates the need for more than one type of null. The conceptual soundness of this approach is demonstrated by general... | The Anatomy of the Grid: Enabling Scalable Virtual Organizations "Grid" computing has emerged as an important new field, distinguished from conventional distributed computing by its focus on large-scale resource sharing, innovative applications, and, in some cases, high performance orientation. In this article, the aut... | McPAT: An integrated power, area, and timing modeling framework for multicore and manycore architectures This paper introduces McPAT, an integrated power, area, and timing modeling framework that supports comprehensive design space exploration for multicore and manycore processor configurations ranging from 90 nm to 22... | Distributed Optimization and Statistical Learning via the Alternating Direction Method of Multipliers Many problems of recent interest in statistics and machine learning can be posed in the framework of convex optimization. Due to the explosion in size and complexity of modern datasets, it is increasingly important to ... | Skip graphs Skip graphs are a novel distributed data structure, based on skip lists, that provide the full functionality of a balanced tree in a distributed system where resources are stored in separate nodes that may fail at any time. They are designed for use in searching peer-to-peer systems, and by providing the ab... | The complexity of data aggregation in directed networks We study problems of data aggregation, such as approximate counting and computing the minimum input value, in synchronous directed networks with bounded message bandwidth B = Ω(log n). In undirected networks of diameter D, many such problems can easily be solved i... | A Local Passive Time Interpolation Concept for Variation-Tolerant High-Resolution Time-to-Digital Conversion Time-to-digital converters (TDCs) are promising building blocks for the digitalization of mixed-signal functionality in ultra-deep-submicron CMOS technologies. A short survey on state-of-the-art TDCs is given. A... | Area- and Power-Efficient Monolithic Buck Converters With Pseudo-Type III Compensation Monolithic PWM voltage-mode buck converters with a novel Pseudo-Type III (PT3) compensation are presented. The proposed compensation maintains the fast load transient response of the conventional Type III compensator; while the Type ... | Fundamental analysis of a car to car visible light communication system This paper presents a mathematical model for car-to-car (C2C) visible light communications (VLC) that aims to predict the system performance under different communication geometries. A market-weighted headlamp beam pattern model is employed. We con... | A Heterogeneous PIM Hardware-Software Co-Design for Energy-Efficient Graph Processing Processing-In-Memory (PIM) is an emerging technology that addresses the memory bottleneck of graph processing. In general, analog memristor-based PIM promises high parallelism provided that the underlying matrix-structured crossbar ca... | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
An area-efficient multistage 3.0- to 8.5-GHz CMOS UWB LNA using tunable active inductors An area-efficient multistage 3.0- to 8.5-GHz ultra-wideband low-noise amplifier (LNA) utilizing tunable active inductors (AIs) is presented. The AI includes a negative impedance circuit (NIC) consisting of a pair of cross-coupled N... | Efficiently computing static single assignment form and the control dependence graph In optimizing compilers, data structure choices directly influence the power and efficiency of practical program optimization. A poor choice of data structure can inhibit optimization or slow compilation to the point that advanced opti... | The weakest failure detector for solving consensus We determine what information about failures is necessary and sufficient to solve Consensus in asynchronous distributed systems subject to crash failures. In Chandra and Toueg (1996), it is shown that {0, a failure detector that provides surprisingly little information... | Chord: A scalable peer-to-peer lookup service for internet applications A fundamental problem that confronts peer-to-peer applications is to efficiently locate the node that stores a particular data item. This paper presents Chord, a distributed lookup protocol that addresses this problem. Chord provides support for ju... | Database relations with null values A new formal approach is proposed for modeling incomplete database information by means of null values. The basis of our approach is an interpretation of nulls which obviates the need for more than one type of null. The conceptual soundness of this approach is demonstrated by general... | The Anatomy of the Grid: Enabling Scalable Virtual Organizations "Grid" computing has emerged as an important new field, distinguished from conventional distributed computing by its focus on large-scale resource sharing, innovative applications, and, in some cases, high performance orientation. In this article, the aut... | McPAT: An integrated power, area, and timing modeling framework for multicore and manycore architectures This paper introduces McPAT, an integrated power, area, and timing modeling framework that supports comprehensive design space exploration for multicore and manycore processor configurations ranging from 90 nm to 22... | Distributed Optimization and Statistical Learning via the Alternating Direction Method of Multipliers Many problems of recent interest in statistics and machine learning can be posed in the framework of convex optimization. Due to the explosion in size and complexity of modern datasets, it is increasingly important to ... | Skip graphs Skip graphs are a novel distributed data structure, based on skip lists, that provide the full functionality of a balanced tree in a distributed system where resources are stored in separate nodes that may fail at any time. They are designed for use in searching peer-to-peer systems, and by providing the ab... | The local detection paradigm and its applications to self-stabilization A new paradigm for the design of self-stabilizing distributed algorithms, called local detection , is introduced. The essence of the paradigm is in defining a local condition based on the state of a processor and its immediate neighborhood such tha... | Spurious Tone Suppression Techniques Applied to a Wide-Bandwidth 2.4 GHz Fractional- N PLL This paper demonstrates that spurious tones in the output of a fractional-N PLL can be reduced by replacing the DeltaSigma modulator with a new type of digital quantizer and adding a charge pump offset combined with a sampled loo... | A 0.5 V 1.1 MS/sec 6.3 fJ/Conversion-Step SAR-ADC With Tri-Level Comparator in 40 nm CMOS This paper presents an extremely low-voltage operation and power efficient successive-approximation-register (SAR) analog-to-digital converter (ADC). Tri-level comparator is proposed to relax the speed requirement of the comparato... | Conductance modulation techniques in switched-capacitor DC-DC converter for maximum-efficiency tracking and ripple mitigation in 22nm Tri-gate CMOS Active conduction modulation techniques are demonstrated in a fully integrated multi-ratio switched-capacitor voltage regulator with hysteretic control, implemented in 22nm... | A Heterogeneous PIM Hardware-Software Co-Design for Energy-Efficient Graph Processing Processing-In-Memory (PIM) is an emerging technology that addresses the memory bottleneck of graph processing. In general, analog memristor-based PIM promises high parallelism provided that the underlying matrix-structured crossbar ca... | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
PAC-PL: Enabling Control-Flow Integrity with Pointer Authentication in FPGA SoC Platforms Control-flow integrity (CFI) is an effective technique to enhance the security of software systems. Processor designers recently started to provide hardware-based support to efficiently implement CFI, such as the pointer authentic... | Hardware-Assisted Detection of Malicious Software in Embedded Systems One of the critical security threats to computer systems is the execution of malware or malicious software. Several intrusion detection systems have been proposed which perform detection analysis in the software using the audit files generated by the... | Store-and-Forward Buffer Requirements in a Packet Switching Network Previous analytic models for packet switching networks have always assumed infinite storage capacity in store-store-and-forward (S/F) nodes. In this paper, we relax this assumption and present a model for a packet switching network in which each node h... | Safely Preventing Unbounded Delays During Bus Transactions in FPGA-based SoC Advanced eXtensible Interface (AXI) is an open-standard communication bus interface implemented in most commercial off-the-shelf FPGA System-on-Chips (SoC) to exchange data within the chip. Unfortunately, the AXI standard does not mandate any ... | Design and implementation of Performance Analysis Unit (PAU) for AXI-based multi-core System on Chip (SOC) With the rapid development of semiconductor technology, more complicated systems have been integrated into single chips. However, system performance is not increased in proportion to the gate-count of the system. ... | Aker: A Design and Verification Framework for Safe and Secure SoC Access Control Modern systems on a chip (SoCs) utilize heterogeneous architectures where multiple IP cores have concurrent access to on-chip shared resources. In security-critical applications, IP cores have different privilege levels for accessing share... | Tapestry: a resilient global-scale overlay for service deployment We present Tapestry, a peer-to-peer overlay routing infrastructure offering efficient, scalable, location-independent routing of messages directly to nearby copies of an object or service using only localized resources. Tapestry supports a generic decent... | A Low-Power Fast-Transient 90-nm Low-Dropout Regulator With Multiple Small-Gain Stages A power-efficient 90-nm low-dropout regulator (LDO) with multiple small-gain stages is proposed in this paper. The proposed channel-resistance-insensitive small-gain stages provide loop gain enhancements without introducing low-frequ... | Energy-Efficient Communication Protocol for Wireless Microsensor Networks Wireless distributed micro-sensor systems will enable the reliable monitoring of a variety of environments for both civil and military applications. In this paper, we look at communication protocols, which can have significant impact on the overa... | Type-2 Fuzzy Sets and Systems: An Overview [corrected reprint] As originally published in the February 2007 issue of IEEE Computational Intelligence Magazine, the above titled paper (ibid., vol. 2, no. 1, pp. 20-29, Feb 07) contained errors in mathematics that were introduced by the publisher. The corrected version is ... | Linear Amplification with Nonlinear Components A technique for producing bandpass linear amplification with nonlinear components (LINC) is described. The bandpass signal first is separated into two constant envelope component signals. All of the amplitude and phase information of the original bandpass signal is contain... | A MIMO decoder accelerator for next generation wireless communications In this paper, we present a multi-input-multi-output (MIMO) decoder accelerator architecture that offers versatility and reprogrammability while maintaining a very high performance-cost metric. The accelerator is meant to address the MIMO decoding b... | 3.4 A 36Gb/s PAM4 transmitter using an 8b 18GS/S DAC in 28nm CMOS At data rates beyond 10Gb/s, most wireline links employ NRZ signaling. Serial NRZ links as high as 56Gb/s and 60Gb/s have been reported [1]. Nevertheless, as the rate increases, the constraints imposed by the channel, package, and die become more severe ... | A Hybrid 1<sup>st</sup>/2<sup>nd</sup>-Order VCO-Based CTDSM With Rail-to-Rail Artifact Tolerance for Bidirectional Neural Interface Bi-directional brain machine interfaces enable simultaneous brain activity monitoring and neural modulation. However stimulation artifact can saturate instrumentation front-end, while con... | 1.2 | 0.2 | 0.2 | 0.2 | 0.1 | 0.066667 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
A Commutated-<italic>LC</italic> RF Broadband Delay Circuit This article presents a commutated-inductor–capacitor (commutated-
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) or switched-
<inline-fo... | Efficiently computing static single assignment form and the control dependence graph In optimizing compilers, data structure choices directly influence the power and efficiency of practical program optimization. A poor choice of data structure can inhibit optimization or slow compilation to the point that advanced opti... | The weakest failure detector for solving consensus We determine what information about failures is necessary and sufficient to solve Consensus in asynchronous distributed systems subject to crash failures. In Chandra and Toueg (1996), it is shown that {0, a failure detector that provides surprisingly little information... | Chord: A scalable peer-to-peer lookup service for internet applications A fundamental problem that confronts peer-to-peer applications is to efficiently locate the node that stores a particular data item. This paper presents Chord, a distributed lookup protocol that addresses this problem. Chord provides support for ju... | Database relations with null values A new formal approach is proposed for modeling incomplete database information by means of null values. The basis of our approach is an interpretation of nulls which obviates the need for more than one type of null. The conceptual soundness of this approach is demonstrated by general... | The Anatomy of the Grid: Enabling Scalable Virtual Organizations "Grid" computing has emerged as an important new field, distinguished from conventional distributed computing by its focus on large-scale resource sharing, innovative applications, and, in some cases, high performance orientation. In this article, the aut... | McPAT: An integrated power, area, and timing modeling framework for multicore and manycore architectures This paper introduces McPAT, an integrated power, area, and timing modeling framework that supports comprehensive design space exploration for multicore and manycore processor configurations ranging from 90 nm to 22... | Distributed Optimization and Statistical Learning via the Alternating Direction Method of Multipliers Many problems of recent interest in statistics and machine learning can be posed in the framework of convex optimization. Due to the explosion in size and complexity of modern datasets, it is increasingly important to ... | Skip graphs Skip graphs are a novel distributed data structure, based on skip lists, that provide the full functionality of a balanced tree in a distributed system where resources are stored in separate nodes that may fail at any time. They are designed for use in searching peer-to-peer systems, and by providing the ab... | The complexity of data aggregation in directed networks We study problems of data aggregation, such as approximate counting and computing the minimum input value, in synchronous directed networks with bounded message bandwidth B = Ω(log n). In undirected networks of diameter D, many such problems can easily be solved i... | A Local Passive Time Interpolation Concept for Variation-Tolerant High-Resolution Time-to-Digital Conversion Time-to-digital converters (TDCs) are promising building blocks for the digitalization of mixed-signal functionality in ultra-deep-submicron CMOS technologies. A short survey on state-of-the-art TDCs is given. A... | Area- and Power-Efficient Monolithic Buck Converters With Pseudo-Type III Compensation Monolithic PWM voltage-mode buck converters with a novel Pseudo-Type III (PT3) compensation are presented. The proposed compensation maintains the fast load transient response of the conventional Type III compensator; while the Type ... | Fundamental analysis of a car to car visible light communication system This paper presents a mathematical model for car-to-car (C2C) visible light communications (VLC) that aims to predict the system performance under different communication geometries. A market-weighted headlamp beam pattern model is employed. We con... | A 32-Channel Time-Multiplexed Artifact-Aware Neural Recording System This paper presents a low-power, low-noise microsystem for the recording of neural local field potentials or intracranial electroencephalographic signals. It features 32 time-multiplexed channels at the electrode interface and offers the possibility t... | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Linear Amplification with Nonlinear Components A technique for producing bandpass linear amplification with nonlinear components (LINC) is described. The bandpass signal first is separated into two constant envelope component signals. All of the amplitude and phase information of the original bandpass signal is contain... | Bandwidth Limitation for the Constant Envelope Components of an OFDM Signal in a LINC Architecture The linear amplification using non-linear components (LINC) power amplifier architecture uses saturated amplifiers to achieve high efficiency and linearity. However, the non-linear operations for LINC separation lead to b... | SFDR-bandwidth limitations for high speed high resolution current steering CMOS D/A converters Although very high update rates are achieved in recent publications on high resolution D/A converters, the bottleneck in the design is to achieve a high spurious free output signal bandwidth. The influence of the dynamic outp... | Analysis of a 5.5-V Class-D Stage Used in 30-dBm Outphasing RF PAs in 130- and 65-nm CMOS This brief presents the design and analysis of a 5.5-V class-D stage used in two fully integrated watt-level, +32.0 and + 29.7 dBm, outphasing RF power amplifiers (PAs) in standard 130- and 65-nm CMOS technologies. The class-D sta... | Digital Interpolating Phase Modulator Implementation for Outphasing PA Recent wireless architectures have increased requirements in terms of power consumption and linearity. These requirements concern specially the power amplifier (PA) responsible for driving the antenna. One architecture proposed for this role is the ... | Digital Signal Processing in Radio Receivers and Transmitters The interface between analog and digital signalprocessing paths in radio receivers and transmitters issteadily migrating toward the antenna as engineers learnto combine the unique attributes and capabilities of DSP with those of traditional communicationsyst... | Linearized Dual-Band Power Amplifiers With Integrated Baluns in 65 nm CMOS for a 2 2 802.11n MIMO WLAN SoC Fully integrated dual-band power amplifiers with on-chip baluns for 802.11n MIMO WLAN applications are presented. With a 3.3 V supply, the PAs produce a saturated output power of 28.3 dBm and 26.7 dBm with peak dr... | A capacitance-compensation technique for improved linearity in CMOS class-AB power amplifiers A nonlinear capacitance-compensation technique is developed to help improve the linearity of CMOS class-AB power amplifiers. The method involves placing a PMOS device alongside the NMOS device that works as the amplifying unit... | Study of Subharmonically Injection-Locked PLLs A complete analysis on subharmonically injection-locked PLLs develops fundamental theory for subharmonic locking phenomenon. It explains the noise shaping phenomenon, locking range and behavior, PVT tolerance, and pseudo locking issue. All of the analyses are verified by r... | Disk Paxos We present an algorithm, called Disk Paxos, for implementing a reliable distributed system with a network of processors and disks. Like the original Paxos algorithm, Disk Paxos maintains consistency in the presence of arbitrary non-Byzantine faults. Progress can be guaranteed as long as a majority of the dis... | A Double-Tail Latch-Type Voltage Sense Amplifier with 18ps Setup+Hold Time. | Decision making for cognitive radio equipment: analysis of the first 10 years of exploration. This article draws a general retrospective view on the first 10 years of cognitive radio (CR). More specifically, we explore in this article decision making and learning for CR from an equipment perspective. Thus, this article... | Robust compensation of a chattering time-varying input delay We investigate the design of a prediction-based controller for a linear system subject to a time-varying input delay, not necessarily causal. This means that the information feeding the system can be older than ones previously received. We propose to use the ... | Multi-Channel Neural Recording Implants: A Review. The recently growing progress in neuroscience research and relevant achievements, as well as advancements in the fabrication process, have increased the demand for neural interfacing systems. Brain-machine interfaces (BMIs) have been revealed to be a promising method f... | 1.022042 | 0.022424 | 0.022424 | 0.022424 | 0.018182 | 0.009091 | 0.004021 | 0.00062 | 0 | 0 | 0 | 0 | 0 | 0 |
A New Buck Converter With Optimum-Damping and Dynamic-Slope Compensation Techniques. This paper presents a new buck converter with optimum-damping and dynamic-slope compensation techniques. The optimum-damping control is a well-known current control method, and the proposed dynamic-slope generator can achieve frequency... | Efficiently computing static single assignment form and the control dependence graph In optimizing compilers, data structure choices directly influence the power and efficiency of practical program optimization. A poor choice of data structure can inhibit optimization or slow compilation to the point that advanced opti... | The weakest failure detector for solving consensus We determine what information about failures is necessary and sufficient to solve Consensus in asynchronous distributed systems subject to crash failures. In Chandra and Toueg (1996), it is shown that {0, a failure detector that provides surprisingly little information... | Chord: A scalable peer-to-peer lookup service for internet applications A fundamental problem that confronts peer-to-peer applications is to efficiently locate the node that stores a particular data item. This paper presents Chord, a distributed lookup protocol that addresses this problem. Chord provides support for ju... | Database relations with null values A new formal approach is proposed for modeling incomplete database information by means of null values. The basis of our approach is an interpretation of nulls which obviates the need for more than one type of null. The conceptual soundness of this approach is demonstrated by general... | The Anatomy of the Grid: Enabling Scalable Virtual Organizations "Grid" computing has emerged as an important new field, distinguished from conventional distributed computing by its focus on large-scale resource sharing, innovative applications, and, in some cases, high performance orientation. In this article, the aut... | McPAT: An integrated power, area, and timing modeling framework for multicore and manycore architectures This paper introduces McPAT, an integrated power, area, and timing modeling framework that supports comprehensive design space exploration for multicore and manycore processor configurations ranging from 90 nm to 22... | Distributed Optimization and Statistical Learning via the Alternating Direction Method of Multipliers Many problems of recent interest in statistics and machine learning can be posed in the framework of convex optimization. Due to the explosion in size and complexity of modern datasets, it is increasingly important to ... | Skip graphs Skip graphs are a novel distributed data structure, based on skip lists, that provide the full functionality of a balanced tree in a distributed system where resources are stored in separate nodes that may fail at any time. They are designed for use in searching peer-to-peer systems, and by providing the ab... | The complexity of data aggregation in directed networks We study problems of data aggregation, such as approximate counting and computing the minimum input value, in synchronous directed networks with bounded message bandwidth B = Ω(log n). In undirected networks of diameter D, many such problems can easily be solved i... | A Local Passive Time Interpolation Concept for Variation-Tolerant High-Resolution Time-to-Digital Conversion Time-to-digital converters (TDCs) are promising building blocks for the digitalization of mixed-signal functionality in ultra-deep-submicron CMOS technologies. A short survey on state-of-the-art TDCs is given. A... | Area- and Power-Efficient Monolithic Buck Converters With Pseudo-Type III Compensation Monolithic PWM voltage-mode buck converters with a novel Pseudo-Type III (PT3) compensation are presented. The proposed compensation maintains the fast load transient response of the conventional Type III compensator; while the Type ... | Fundamental analysis of a car to car visible light communication system This paper presents a mathematical model for car-to-car (C2C) visible light communications (VLC) that aims to predict the system performance under different communication geometries. A market-weighted headlamp beam pattern model is employed. We con... | A Heterogeneous PIM Hardware-Software Co-Design for Energy-Efficient Graph Processing Processing-In-Memory (PIM) is an emerging technology that addresses the memory bottleneck of graph processing. In general, analog memristor-based PIM promises high parallelism provided that the underlying matrix-structured crossbar ca... | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Design and test-bed implementation of a reconfigurable receiver for navigation applications The geographical location of a wireless device is acquiring a significant importance under the boost of innovative applications in the wireless market, and under the research activities related to the development of a new genera... | Efficiently computing static single assignment form and the control dependence graph In optimizing compilers, data structure choices directly influence the power and efficiency of practical program optimization. A poor choice of data structure can inhibit optimization or slow compilation to the point that advanced opti... | The weakest failure detector for solving consensus We determine what information about failures is necessary and sufficient to solve Consensus in asynchronous distributed systems subject to crash failures. In Chandra and Toueg (1996), it is shown that {0, a failure detector that provides surprisingly little information... | Chord: A scalable peer-to-peer lookup service for internet applications A fundamental problem that confronts peer-to-peer applications is to efficiently locate the node that stores a particular data item. This paper presents Chord, a distributed lookup protocol that addresses this problem. Chord provides support for ju... | Database relations with null values A new formal approach is proposed for modeling incomplete database information by means of null values. The basis of our approach is an interpretation of nulls which obviates the need for more than one type of null. The conceptual soundness of this approach is demonstrated by general... | The Anatomy of the Grid: Enabling Scalable Virtual Organizations "Grid" computing has emerged as an important new field, distinguished from conventional distributed computing by its focus on large-scale resource sharing, innovative applications, and, in some cases, high performance orientation. In this article, the aut... | McPAT: An integrated power, area, and timing modeling framework for multicore and manycore architectures This paper introduces McPAT, an integrated power, area, and timing modeling framework that supports comprehensive design space exploration for multicore and manycore processor configurations ranging from 90 nm to 22... | Distributed Optimization and Statistical Learning via the Alternating Direction Method of Multipliers Many problems of recent interest in statistics and machine learning can be posed in the framework of convex optimization. Due to the explosion in size and complexity of modern datasets, it is increasingly important to ... | Skip graphs Skip graphs are a novel distributed data structure, based on skip lists, that provide the full functionality of a balanced tree in a distributed system where resources are stored in separate nodes that may fail at any time. They are designed for use in searching peer-to-peer systems, and by providing the ab... | The complexity of data aggregation in directed networks We study problems of data aggregation, such as approximate counting and computing the minimum input value, in synchronous directed networks with bounded message bandwidth B = Ω(log n). In undirected networks of diameter D, many such problems can easily be solved i... | A Local Passive Time Interpolation Concept for Variation-Tolerant High-Resolution Time-to-Digital Conversion Time-to-digital converters (TDCs) are promising building blocks for the digitalization of mixed-signal functionality in ultra-deep-submicron CMOS technologies. A short survey on state-of-the-art TDCs is given. A... | Area- and Power-Efficient Monolithic Buck Converters With Pseudo-Type III Compensation Monolithic PWM voltage-mode buck converters with a novel Pseudo-Type III (PT3) compensation are presented. The proposed compensation maintains the fast load transient response of the conventional Type III compensator; while the Type ... | Conductance modulation techniques in switched-capacitor DC-DC converter for maximum-efficiency tracking and ripple mitigation in 22nm Tri-gate CMOS Active conduction modulation techniques are demonstrated in a fully integrated multi-ratio switched-capacitor voltage regulator with hysteretic control, implemented in 22nm... | A Heterogeneous PIM Hardware-Software Co-Design for Energy-Efficient Graph Processing Processing-In-Memory (PIM) is an emerging technology that addresses the memory bottleneck of graph processing. In general, analog memristor-based PIM promises high parallelism provided that the underlying matrix-structured crossbar ca... | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Proposal and evaluation of system diversity for software defined radio This paper proposes the concept of system diversity on software defined radio (SDR) and investigates the effectiveness of system diversity by using a concrete simulation model. System diversity allows the wireless communication system to be dynamica... | Efficiently computing static single assignment form and the control dependence graph In optimizing compilers, data structure choices directly influence the power and efficiency of practical program optimization. A poor choice of data structure can inhibit optimization or slow compilation to the point that advanced opti... | The weakest failure detector for solving consensus We determine what information about failures is necessary and sufficient to solve Consensus in asynchronous distributed systems subject to crash failures. In Chandra and Toueg (1996), it is shown that {0, a failure detector that provides surprisingly little information... | Chord: A scalable peer-to-peer lookup service for internet applications A fundamental problem that confronts peer-to-peer applications is to efficiently locate the node that stores a particular data item. This paper presents Chord, a distributed lookup protocol that addresses this problem. Chord provides support for ju... | Database relations with null values A new formal approach is proposed for modeling incomplete database information by means of null values. The basis of our approach is an interpretation of nulls which obviates the need for more than one type of null. The conceptual soundness of this approach is demonstrated by general... | The Anatomy of the Grid: Enabling Scalable Virtual Organizations "Grid" computing has emerged as an important new field, distinguished from conventional distributed computing by its focus on large-scale resource sharing, innovative applications, and, in some cases, high performance orientation. In this article, the aut... | McPAT: An integrated power, area, and timing modeling framework for multicore and manycore architectures This paper introduces McPAT, an integrated power, area, and timing modeling framework that supports comprehensive design space exploration for multicore and manycore processor configurations ranging from 90 nm to 22... | Distributed Optimization and Statistical Learning via the Alternating Direction Method of Multipliers Many problems of recent interest in statistics and machine learning can be posed in the framework of convex optimization. Due to the explosion in size and complexity of modern datasets, it is increasingly important to ... | Skip graphs Skip graphs are a novel distributed data structure, based on skip lists, that provide the full functionality of a balanced tree in a distributed system where resources are stored in separate nodes that may fail at any time. They are designed for use in searching peer-to-peer systems, and by providing the ab... | The complexity of data aggregation in directed networks We study problems of data aggregation, such as approximate counting and computing the minimum input value, in synchronous directed networks with bounded message bandwidth B = Ω(log n). In undirected networks of diameter D, many such problems can easily be solved i... | A Local Passive Time Interpolation Concept for Variation-Tolerant High-Resolution Time-to-Digital Conversion Time-to-digital converters (TDCs) are promising building blocks for the digitalization of mixed-signal functionality in ultra-deep-submicron CMOS technologies. A short survey on state-of-the-art TDCs is given. A... | Area- and Power-Efficient Monolithic Buck Converters With Pseudo-Type III Compensation Monolithic PWM voltage-mode buck converters with a novel Pseudo-Type III (PT3) compensation are presented. The proposed compensation maintains the fast load transient response of the conventional Type III compensator; while the Type ... | Conductance modulation techniques in switched-capacitor DC-DC converter for maximum-efficiency tracking and ripple mitigation in 22nm Tri-gate CMOS Active conduction modulation techniques are demonstrated in a fully integrated multi-ratio switched-capacitor voltage regulator with hysteretic control, implemented in 22nm... | A Heterogeneous PIM Hardware-Software Co-Design for Energy-Efficient Graph Processing Processing-In-Memory (PIM) is an emerging technology that addresses the memory bottleneck of graph processing. In general, analog memristor-based PIM promises high parallelism provided that the underlying matrix-structured crossbar ca... | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
A 240-MHz Low-Pass Filter With Variable Gain in 65-nm CMOS for a UWB Radio Receiver An integrated fifth-order continuous-time low-pass filter for a WiMedia ultrawideband radio receiver is described in this paper. The prototype filter is realized with a passive pole at the filter input and a fourth-order leapfrog filter... | A 65nm CMOS 1-to-10GHz tunable continuous-time low-pass filter for high-data-rate communications In this work the Gm-C topology is adopted for its merits at high frequencies. In this technique, two critical parameters should be accounted for: the accuracy of the Q factors of the pole pairs (for correct transfer functio... | A 72 dB-DR 465 MHz-BW Continuous-Time 1-2 MASH ADC in 28 nm CMOS. This paper presents a continuous-time (CT) multi-stage noise-shaping (MASH) ADC in 28 nm CMOS. The MASH ADC uses a first-order front-end stage to digitize the input signal and a second-order back-end stage to digitize the quantization noise of the coarse... | Design and Analysis of Enhanced Mixer-First Receivers Achieving 40-dB/decade RF Selectivity A “second-order” passive mixer-first receiver is proposed to improve channel selectivity, linearity, and noise figure (NF) in the presence of out-of-band blockers, by presenting an impedance that rolls off at 40 dB/decade as the... | A 65 nm CMOS Quad-Band SAW-Less Receiver SoC for GSM/GPRS/EDGE. A quad-band 2.5G receiver is designed to replace the front-end SAW filters with on-chip bandpass filters and to integrate the LNA matching components, as well as the RF baluns. The receiver achieves a typical sensitivity of -110 dBm or better, while saving... | Analysis and Optimization of Current-Driven Passive Mixers in Narrowband Direct-Conversion Receivers Properties of the current-driven passive mixer are explored to maximize its performance in a zero-IF receiver. Since there is no reverse isolation between the RF and baseband sides of the mixer, the mixer reflects the b... | Max-Min D-Cluster Formation in Wireless Ad Hoc Networks An ad hoc network may be logically represented as a set of clusters. The clusterheads form a -hop dominating set. Each node is at most hops from a clusterhead. Clusterheads form a virtual backbone and may be used to route packets for nodes in their cluster. Previo... | Measurement issues in galvanic intrabody communication: influence of experimental setup Significance: The need for increasingly energyefficient and miniaturized bio-devices for ubiquitous health monitoring has paved the way for considerable advances in the investigation of techniques such as intrabody communication (IB... | On the minimal synchronism needed for distributed consensus Reaching agreement is a primitive of distributed computing. While this poses no problem in an ideal, failure-free environment, it imposes certain constraints on the capabilities of an actual system: a system is viable only if it permits the existence of consen... | Type-2 Fuzzy Sets and Systems: An Overview [corrected reprint] As originally published in the February 2007 issue of IEEE Computational Intelligence Magazine, the above titled paper (ibid., vol. 2, no. 1, pp. 20-29, Feb 07) contained errors in mathematics that were introduced by the publisher. The corrected version is ... | A survey of state and disturbance observers for practitioners This paper gives a unified and historical review of observer design for the benefit of practitioners. It is unified in the sense that all observers are examined in terms of: 1) the assumed dynamic structure of the plant; 2) the required information, includin... | A MIMO decoder accelerator for next generation wireless communications In this paper, we present a multi-input-multi-output (MIMO) decoder accelerator architecture that offers versatility and reprogrammability while maintaining a very high performance-cost metric. The accelerator is meant to address the MIMO decoding b... | A 12.8 GS/s Time-Interleaved ADC With 25 GHz Effective Resolution Bandwidth and 4.6 ENOB This paper presents a 12.8 GS/s 32-way hierarchically time-interleaved SAR ADC with 4.6 ENOB in 65 nm CMOS. The prototype utilizes hierarchical sampling and cascode sampler circuits to enable greater than 25 GHz 3 dB effective reso... | Multi-Channel Neural Recording Implants: A Review. The recently growing progress in neuroscience research and relevant achievements, as well as advancements in the fabrication process, have increased the demand for neural interfacing systems. Brain-machine interfaces (BMIs) have been revealed to be a promising method f... | 1.11 | 0.1 | 0.1 | 0.1 | 0.025 | 0.000333 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
A spiking neuromorphic design with resistive crossbar Neuromorphic systems recently gained increasing attention for their high computation efficiency. Many designs have been proposed and realized with traditional CMOS technology or emerging devices. In this work, we proposed a spiking neuromorphic design built on resis... | HCP: A Flexible CNN Framework for Multi-label Image Classification. Convolutional Neural Network (CNN) has demonstrated promising performance in single-label image classification tasks. However, how CNN best copes with multi-label images still remains an open problem, mainly due to the complex underlying object layouts... | On-Chip Memory Technology Design Space Explorations for Mobile Deep Neural Network Accelerators Deep neural network (DNN) inference tasks have become ubiquitous workloads on mobile SoCs and demand energy-efficient hardware accelerators. Mobile DNN accelerators are heavily area-constrained, with only minimal on-chip SRA... | A 7-nm Compute-in-Memory SRAM Macro Supporting Multi-Bit Input, Weight and Output and Achieving 351 TOPS/W and 372.4 GOPS In this work, we present a compute-in-memory (CIM) macro built around a standard two-port compiler macro using foundry 8T bit-cell in 7-nm FinFET technology. The proposed design supports 1024 4 b
<... | RRAM for Compute-in-Memory: From Inference to Training To efficiently deploy machine learning applications to the edge, compute-in-memory (CIM) based hardware accelerator is a promising solution with improved throughput and energy efficiency. Instant-on inference is further enabled by emerging non-volatile memory techn... | Challenges and Trends of SRAM-Based Computing-In-Memory for AI Edge Devices When applied to artificial intelligence edge devices, the conventionally von Neumann computing architecture imposes numerous challenges (e.g., improving the energy efficiency), due to the memory-wall bottleneck involving the frequent movement o... | Cache operations by MRU change The performance of set associative caches is analyzed. The method used is to group the cache lines into regions according to their positions in the replacement stacks of a cache, and then to observe how the memory access of a CPU is distributed over these regions. Results from the preserv... | Broadband MIMO-OFDM Wireless Communications Orthogonal frequency division multiplexing (OFDM) is a popular method for high data rate wireless transmission. OFDM may be combined with antenna arrays at the transmitter and receiver to increase the diversity gain and/or to enhance the system capacity on time-varying and fr... | On the minimal synchronism needed for distributed consensus Reaching agreement is a primitive of distributed computing. While this poses no problem in an ideal, failure-free environment, it imposes certain constraints on the capabilities of an actual system: a system is viable only if it permits the existence of consen... | Type-2 fuzzy sets and systems: an overview This paper provides an introduction to and an overview of type-2 fuzzy sets (T2 FS) and systems. It does this by answering the following questions: What is a T2 FS and how is it different from a T1 FS? Is there new terminology for a T2 FS? Are there important representations o... | RockSalt: better, faster, stronger SFI for the x86 Software-based fault isolation (SFI), as used in Google's Native Client (NaCl), relies upon a conceptually simple machine-code analysis to enforce a security policy. But for complicated architectures such as the x86, it is all too easy to get the details of the analysi... | A Dht-Based Discovery Service For The Internet Of Things Current trends towards the Future Internet are envisaging the conception of novel services endowed with context-aware and autonomic capabilities to improve end users' quality of life. The Internet of Things paradigm is expected to contribute towards this ambitiou... | Current-mode adaptively hysteretic control for buck converters with fast transient response and improved output regulation This paper presents a current-mode adaptively hysteretic control (CMAHC) technique to achieve the fast transient response for DC-DC buck converters. A complementary full range current sensor compri... | Power Efficiency Comparison of Event-Driven and Fixed-Rate Signal Conversion and Compression for Biomedical Applications Energy-constrained biomedical recording systems need power-efficient data converters and good signal compression in order to meet the stringent power consumption requirements of many applications. In... | 1.2 | 0.2 | 0.2 | 0.1 | 0.066667 | 0.018182 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Helix: Algorithm/Architecture Co-design for Accelerating Nanopore Genome Base-calling Nanopore genome sequencing is the key to enabling personalized medicine, global food security, and virus surveillance. The state-of-the-art base-callers adopt deep neural networks (DNNs) to translate electrical signals generated by n... | Winnowing: local algorithms for document fingerprinting Digital content is for copying: quotation, revision, plagiarism, and file sharing all create copies. Document fingerprinting is concerned with accurately identifying copying, including small partial copies, within large sets of documents.We introduce the class of ... | SWIFOLD: Smith-Waterman implementation on FPGA with OpenCL for long DNA sequences. The results suggest that SWIFOLD can be a serious contender for accelerating the SW alignment of DNA sequences of unrestricted size in an affordable way reaching on average 125 GCUPS and almost a peak of 270 GCUPS. | Accelerating Sequence Alignment to Graphs Aligning DNA sequences to an annotated reference is a key step for genotyping in biology. Recent scientific studies have demonstrated improved inference by aligning reads to a variation graph, i.e., a reference sequence augmented with known genetic variations. Given a variation... | Efficient Architecture-Aware Acceleration of BWA-MEM for Multicore Systems Innovations in Next-Generation Sequencing are enabling generation of DNA sequence data at ever faster rates and at very low cost. For example, the Illumina NovaSeq 6000 sequencer can generate 6 Terabases of data in less than two days, sequencing... | Algorithmic Improvement and GPU Acceleration of the GenASM Algorithm We improve on GenASM, a recent algorithm for genomic sequence alignment, by significantly reducing its memory footprint and bandwidth requirement. Our algorithmic improvements reduce the memory footprint by 24 × and the number of memory accesses by 12... | An FPGA Accelerator of the Wavefront Algorithm for Genomics Pairwise Alignment In the last years, advances in next-generation sequencing technologies have enabled the proliferation of genomic applications that guide personalized medicine. These applications have an enormous computational cost due to the large amount of... | PUMA: A Programmable Ultra-efficient Memristor-based Accelerator for Machine Learning Inference Memristor crossbars are circuits capable of performing analog matrix-vector multiplications, overcoming the fundamental energy efficiency limitations of digital logic. They have been shown to be effective in special-purpose ... | Why systolic architectures? First Page of the Article | The impact of DHT routing geometry on resilience and proximity The various proposed DHT routing algorithms embody several different underlying routing geometries. These geometries include hypercubes, rings, tree-like structures, and butterfly networks. In this paper we focus on how these basic geometric approaches affe... | A 9-bit, 14 μW and 0.06 mm 2 Pulse Position Modulation ADC in 90 nm Digital CMOS. This work presents a compact, low-power, time-based architecture for nanometer-scale CMOS analog-to-digital conversion. A pulse position modulation ADC architecture is proposed and a prototype 9 bit PPM ADC incorporating a two-step TDC sc... | Nonlinear semidefinite programming: sensitivity, convergence, and an application in passive reduced-order modeling We consider the solution of nonlinear programs with nonlinear semidefiniteness constraints. The need for an efficient exploitation of the cone of positive semidefinite matrices makes the solution of such n... | A study of disturbance observers with unknown relative degree of the plant. Robust stability of the disturbance observer (DOB) control system is studied when the relative degree of the plant is not the same as that of the nominal model. The study reveals that the closed-loop system can easily become unstable with suffi... | OMNI: A Framework for Integrating Hardware and Software Optimizations for Sparse CNNs Convolution neural networks (CNNs) as one of today’s main flavor of deep learning techniques dominate in various image recognition tasks. As the model size of modern CNNs continues to grow, neural network compression techniques have b... | 1.11 | 0.11 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.033333 | 0 | 0 | 0 | 0 | 0 | 0 |
Fast linear algebra-based triangle counting with KokkosKernels Triangle counting serves as a key building block for a set of important graph algorithms in network science. In this paper, we address the IEEE HPEC Static Graph Challenge problem of triangle counting, focusing on obtaining the best parallel performance on ... | k2-Trees for Compact Web Graph Representation This paper presents a Web graph representation based on a compact tree structure that takes advantage of large empty areas of the adjacency matrix of the graph. Our results show that our method is competitive with the best alternatives in the literature, offering a very goo... | Accelerating sparse matrix-vector multiplication on GPUs using bit-representation-optimized schemes The sparse matrix-vector (SpMV) multiplication routine is an important building block used in many iterative algorithms for solving scientific and engineering problems. One of the main challenges of SpMV is its memory-bo... | Compression-aware graph computation. Many recent work has focused on graph algorithms via parallelization including PowerGraph [9] and Ligra [14]. The frameworks process large graphs in shared memory, requiring a terabyte of memory and expensive maintenance cost. Reducing graph size to fit in memory thus is crucial in ... | Warp-Consolidation: A Novel Execution Model for GPUs. With the unprecedented development of compute capability and extension of memory bandwidth on modern GPUs, parallel communication and synchronization soon becomes a major concern for continuous performance scaling. This is especially the case for emerging big-data a... | Thinking Like a Vertex: A Survey of Vertex-Centric Frameworks for Large-Scale Distributed Graph Processing The vertex-centric programming model is an established computational paradigm recently incorporated into distributed processing frameworks to address challenges in large-scale graph processing. Billion-node graphs... | Impossibility of distributed consensus with one faulty process The consensus problem involves an asynchronous system of processes, some of which may be unreliable. The problem is for the reliable processes to agree on a binary value. In this paper, it is shown that every protocol for this problem has the possibility of... | A fast and elitist multiobjective genetic algorithm: NSGA-II Multi-objective evolutionary algorithms (MOEAs) that use non-dominated sorting and sharing have been criticized mainly for: (1) their O(MN3) computational complexity (where M is the number of objectives and N is the population size); (2) their non-elitism app... | Language-based information-flow security Current standard security practices do not provide substantial assurance that the end-to-end behavior of a computing system satisfies important security policies such as confidentiality. An end-to-end confidentiality policy might assert that secret input data cannot be inferred ... | An Introduction To Compressive Sampling Conventional approaches to sampling signals or images follow Shannon's theorem: the sampling rate must be at least twice the maximum frequency present in the signal (Nyquist rate). In the field of data conversion, standard analog-to-digital converter (ADC) technology implemen... | Practical Mitigations for Timing-Based Side-Channel Attacks on Modern x86 Processors This paper studies and evaluates the extent to which automated compiler techniques can defend against timing-based side-channel attacks on modern x86 processors. We study how modern x86 processors can leak timing information through si... | A 93% efficiency reconfigurable switched-capacitor DC-DC converter using on-chip ferroelectric capacitors. | Current-mode adaptively hysteretic control for buck converters with fast transient response and improved output regulation This paper presents a current-mode adaptively hysteretic control (CMAHC) technique to achieve the fast transient response for DC-DC buck converters. A complementary full range current sensor compri... | A 12.6 mW, 573-2901 kS/s Reconfigurable Processor for Reconstruction of Compressively Sensed Physiological Signals. This article presents a reconfigurable processor based on the alternating direction method of multipliers (ADMM) algorithm for reconstructing compressively sensed physiological signals. The architecture i... | 1.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Cmos Zero Cross-Conduction Low-Power Driver And Power Mosfets For Integrated Synchronous Buck Converter This paper presents a circuit and a design of a CMOS zero cross-conduction low-power driver for an integrated synchronous buck converter. The circuit has a zero cross-conduction, yielding low-power dissipation and hi... | Efficiently computing static single assignment form and the control dependence graph In optimizing compilers, data structure choices directly influence the power and efficiency of practical program optimization. A poor choice of data structure can inhibit optimization or slow compilation to the point that advanced opti... | The weakest failure detector for solving consensus We determine what information about failures is necessary and sufficient to solve Consensus in asynchronous distributed systems subject to crash failures. In Chandra and Toueg (1996), it is shown that {0, a failure detector that provides surprisingly little information... | Chord: A scalable peer-to-peer lookup service for internet applications A fundamental problem that confronts peer-to-peer applications is to efficiently locate the node that stores a particular data item. This paper presents Chord, a distributed lookup protocol that addresses this problem. Chord provides support for ju... | Database relations with null values A new formal approach is proposed for modeling incomplete database information by means of null values. The basis of our approach is an interpretation of nulls which obviates the need for more than one type of null. The conceptual soundness of this approach is demonstrated by general... | The Anatomy of the Grid: Enabling Scalable Virtual Organizations "Grid" computing has emerged as an important new field, distinguished from conventional distributed computing by its focus on large-scale resource sharing, innovative applications, and, in some cases, high performance orientation. In this article, the aut... | McPAT: An integrated power, area, and timing modeling framework for multicore and manycore architectures This paper introduces McPAT, an integrated power, area, and timing modeling framework that supports comprehensive design space exploration for multicore and manycore processor configurations ranging from 90 nm to 22... | Distributed Optimization and Statistical Learning via the Alternating Direction Method of Multipliers Many problems of recent interest in statistics and machine learning can be posed in the framework of convex optimization. Due to the explosion in size and complexity of modern datasets, it is increasingly important to ... | Skip graphs Skip graphs are a novel distributed data structure, based on skip lists, that provide the full functionality of a balanced tree in a distributed system where resources are stored in separate nodes that may fail at any time. They are designed for use in searching peer-to-peer systems, and by providing the ab... | The complexity of data aggregation in directed networks We study problems of data aggregation, such as approximate counting and computing the minimum input value, in synchronous directed networks with bounded message bandwidth B = Ω(log n). In undirected networks of diameter D, many such problems can easily be solved i... | A Local Passive Time Interpolation Concept for Variation-Tolerant High-Resolution Time-to-Digital Conversion Time-to-digital converters (TDCs) are promising building blocks for the digitalization of mixed-signal functionality in ultra-deep-submicron CMOS technologies. A short survey on state-of-the-art TDCs is given. A... | Area- and Power-Efficient Monolithic Buck Converters With Pseudo-Type III Compensation Monolithic PWM voltage-mode buck converters with a novel Pseudo-Type III (PT3) compensation are presented. The proposed compensation maintains the fast load transient response of the conventional Type III compensator; while the Type ... | Conductance modulation techniques in switched-capacitor DC-DC converter for maximum-efficiency tracking and ripple mitigation in 22nm Tri-gate CMOS Active conduction modulation techniques are demonstrated in a fully integrated multi-ratio switched-capacitor voltage regulator with hysteretic control, implemented in 22nm... | A Heterogeneous PIM Hardware-Software Co-Design for Energy-Efficient Graph Processing Processing-In-Memory (PIM) is an emerging technology that addresses the memory bottleneck of graph processing. In general, analog memristor-based PIM promises high parallelism provided that the underlying matrix-structured crossbar ca... | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Just-In-Time Compilation for Verilog: A New Technique for Improving the FPGA Programming Experience FPGAs offer compelling acceleration opportunities for modern applications. However compilation for FPGAs is painfully slow, potentially requiring hours or longer. We approach this problem with a solution from the softwar... | Threaded code The concept of “threaded code” is presented as an alternative to machine language code. Hardware and software realizations of it are given. In software it is realized as interpretive code not needing an interpreter. Extensions and optimizations are mentioned. | SimpleScalar: An Infrastructure for Computer System Modeling Designers can execute programs on software models to validate a proposed hardware design's performance and correctness, while programmerscan use these models to develop and test software before the real hardwarebecomes available. Three critical requirements d... | An approach to testing specifications An approach to testing the consistency of specifications is explored, which is applicable to the design validation of communication protocols and other cases of step-wise refinement. In this approach, a testing module compares a trace of interactions obtained from an execution of t... | Scientific benchmarking of parallel computing systems: twelve ways to tell the masses when reporting performance results Measuring and reporting performance of parallel computers constitutes the basis for scientific advancement of high-performance computing (HPC). Most scientific reports show performance improvements o... | OpenFPGA: An Opensource Framework Enabling Rapid Prototyping of Customizable FPGAs Driven by the strong need in data processing applications, Field Programmable Gate Arrays (FPGAs) are playing an ever-increasing role as programmable accelerators in modern computing systems. To fully unlock processing capabilities for d... | Improved Abstractions and Turnaround Time for FPGA Design Validation and Debug Rapidly increasing FPGA density and complexity has heightened the need for higher levels of abstraction in validation and more rapid, focused approaches for design inspection. We present two methods of validating and debugging active, implem... | Unreliable failure detectors for reliable distributed systems We introduce the concept of unreliable failure detectors and study how they can be used to solve Consensus in asynchronous systems with crash failures. We characterise unreliable failure detectors in terms of two properties—completeness and accuracy. We show... | Federated Learning: Challenges, Methods, and Future Directions Federated learning involves training statistical models over remote devices or siloed data centers, such as mobile phones or hospitals, while keeping data localized. Training in heterogeneous and potentially massive networks introduces novel challenges that... | Incremental Validation of XML Documents We investigate the incremental validation of XML documents with respect to DTDs and XML Schemas, under updates consisting of element tag renamings, insertions and deletions. DTDs are modeled as extended context-free grammars and XML Schemas are abstracted as "specialized DTDs", a... | An MLSE Receiver for Electronic Dispersion Compensation of OC-192 Fiber Links A maximum-likelihood sequence estimation (MLSE) receiver is fabricated to combat dispersion/intersymbol interference (chromatic and polarization mode), noise (optical and electrical), and nonlinearities (e.g., fiber, receiver photodiode, or l... | Secure download system based on software defined radio composed of FPGAs We focus attention on the development of security techniques using software defined radio (SDR) technologies. We propose a new secure download system which uses the characteristics of the field programmable gate arrays (FPGAs) composing the SDR. T... | An efficient low-cost fixed-point digital down converter with modified filter bank In radar system, as the most important part of IF radar receiver, digital down converter (DDC) extracts the baseband signal needed from modulated IF signal, and down-samples the signal with decimation factor of 20. This paper proposes an... | A 0.5 V 10-bit 3 MS/s SAR ADC With Adaptive-Reset Switching Scheme and Near-Threshold Voltage-Optimized Design Technique This brief presents a 10-bit ultra-low power energy-efficient successive approximation register (SAR) analog-to-digital converter (ADC). A new adaptive-reset switching scheme is proposed to reduce th... | 1.11 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
A 1.75-GHz polar modulated CMOS RF power amplifier for GSM-EDGE This work presents a fully integrated linearized CMOS RF amplifier, integrated in a 0.18-/spl mu/m CMOS process. The amplifier is implemented on a single chip, requiring no external matching or tuning networks. Peak output power is 27 dBm with a power-adde... | An intelligent power amplifier MMIC using a new adaptive bias control circuit for W-CDMA applications A high-linearity and high-efficiency MMIC power amplifier is proposed that adopts a new on-chip adaptive bias con- trol circuit, which simultaneously improves efficiency at the low output power level and linearity at t... | Quantization Noise Suppression in Digitally Segmented Amplifiers In this paper, we consider the problem of out-of-band quantization noise suppression in the general family of direct digital-to-RF (DDRF) conversion circuits, where the RF carrier is amplitude modulated by a quantized representation of the baseband signal... | A fully differential ultra-compact broadband transformer based quadrature generation scheme This paper presents an ultra-compact transformer-based quadrature generation scheme, which converts a differential input signal to fully differential quadrature outputs with low passive loss, broad bandwidth, and robustness agai... | A 1.95 GHz Fully Integrated Envelope Elimination and Restoration CMOS Power Amplifier Using Timing Alignment Technique for WCDMA and LTE A fully integrated envelope elimination and restoration (EER) CMOS power amplifier (PA) has been developed for WCDMA and LTE handsets. EER is a supply modulation technique that first ... | A Digitally Modulated Polar CMOS Power Amplifier With a 20-MHz Channel Bandwidth This paper presents a CMOS RF power amplifier that employs a digital polar architecture to improve the overall power efficiency when amplifying signals with high linearity requirements. The power amplifier comprises 64 parallel RF amplifie... | An Efficient Mixed-Signal 2.4-GHz Polar Power Amplifier in 65-nm CMOS Technology A 65-nm digitally modulated polar transmitter incorporates a fully integrated, efficient 2.4-GHz switching Inverse Class-D power amplifier. Low-power digital filtering on the amplitude path helps remove spectral images for coexistence. The... | 2.8 A Class-G voltage-mode Doherty power amplifier In modern communication, wideband and high-spectral-efficiency modulation results in high peak-to-average power ratio (PAPR), up to 8 to 10dB. Well-known PA-efficiency-enhancement techniques, such as Doherty and outphasing, offer reduced efficiency improvement beyond 6... | A monolithic current-mode CMOS DC-DC converter with on-chip current-sensing technique A monolithic current-mode CMOS DC-DC converter with integrated power switches and a novel on-chip current sensor for feedback control is presented in this paper. With the proposed accurate on-chip current sensor, the sensed inductor c... | How to share a secret In this paper we show how to divide data D into n pieces in such a way that D is easily reconstructable from any k pieces, but even complete knowledge of k - 1 pieces reveals absolutely no information about D. This technique enables the construction of robust key management schemes for cryptograph... | Difference engine: harnessing memory redundancy in virtual machines Virtual machine monitors (VMMs) are a popular platform for Internet hosting centers and cloud-based compute services. By multiplexing hardware resources among virtual machines (VMs) running commodity operating systems, VMMs decrease both the capital ou... | Optimal regional consecutive leader election in mobile ad-hoc networks The regional consecutive leader election (RCLE) problem requires mobile nodes to elect a leader within bounded time upon entering a specific region. We prove that any algorithm requires Ω(Dn) rounds for leader election, where D is the diameter of th... | Exploration of Constantly Connected Dynamic Graphs Based on Cactuses. We study the problem of exploration by a mobile entity (agent) of a class of dynamic networks, namely constantly connected dynamic graphs. This problem has already been studied in the case where the agent knows the dynamics of the graph and the under... | A Heterogeneous PIM Hardware-Software Co-Design for Energy-Efficient Graph Processing Processing-In-Memory (PIM) is an emerging technology that addresses the memory bottleneck of graph processing. In general, analog memristor-based PIM promises high parallelism provided that the underlying matrix-structured crossbar ca... | 1.01279 | 0.01193 | 0.011929 | 0.011908 | 0.011314 | 0.006113 | 0.004366 | 0.000749 | 0.000001 | 0 | 0 | 0 | 0 | 0 |
Optimal Policies for the Management of an Electric Vehicle Battery Swap Station AbstractOptimizing operations at electric vehicle EV battery swap stations is internally motivated by the movement to make transportation cleaner and more efficient. An EV battery swap station allows EV owners to quickly exchange their depl... | Online Station Assignment for Electric Vehicle Battery Swapping This paper investigates the online station assignment for (commercial) electric vehicles (EVs) that request battery swapping from a central operator, i.e., in the absence of future information a battery swapping service station has to be assigned instantly... | A BCMP network approach to modeling and controlling autonomous mobility-on-demand systems AbstractIn this paper we present a queuing network approach to the problem of routing and rebalancing a fleet of self-driving vehicles providing on-demand mobility within a capacitated road network. We refer to such systems as aut... | Electric Vehicle Route Selection and Charging Navigation Strategy Based on Crowd Sensing. This paper has proposed an electric vehicle (EV) route selection and charging navigation optimization model, aiming to reduce EV users' travel costs and improve the load level of the distribution system concerned. Moreover, wi... | Ride-Hailing Order Dispatching At Didi Via Reinforcement Learning Order dispatching is instrumental to the marketplace engine of a large-scale ride-hailing platform, such as the DiDi platform, which continuously matches passenger trip requests to drivers at a scale of tens of millions per day. Because of the dynamic an... | Optimal Charging Operation of Battery Swapping and Charging Stations With QoS Guarantee. Motivated by the urgent demand for the electric vehicle (EV) fast refueling technologies, battery swapping and charging stations (BSCSs) are envisioned as a promising solution to provide timely EV refueling services. However, inapp... | Unreliable failure detectors for reliable distributed systems We introduce the concept of unreliable failure detectors and study how they can be used to solve Consensus in asynchronous systems with crash failures. We characterise unreliable failure detectors in terms of two properties—completeness and accuracy. We show... | Tensor Decompositions and Applications This survey provides an overview of higher-order tensor decompositions, their applications, and available software. A tensor is a multidimensional or $N$-way array. Decompositions of higher-order tensors (i.e., $N$-way arrays with $N \geq 3$) have applications in psycho-metrics, c... | Random Forests Random forests are a combination of tree predictors such that each tree depends on the values of a random vector sampled independently and with the same distribution for all trees in the forest. The generalization error for forests converges a.s. to a limit as the number of trees in the forest becomes la... | Fundamental control algorithms in mobile networks In this work we propose simple and efficient protocols forcounting and leader election in mobile networks. For mobilenetworks with fixed base stations we provide a new andvery efficient protocol for counting the number of mobilehosts. The main part of the work concentr... | Practical Mitigations for Timing-Based Side-Channel Attacks on Modern x86 Processors This paper studies and evaluates the extent to which automated compiler techniques can defend against timing-based side-channel attacks on modern x86 processors. We study how modern x86 processors can leak timing information through si... | Fully Integrated CMOS Power Amplifier With Efficiency Enhancement at Power Back-Off This paper presents a new approach for power amplifier design using deep submicron CMOS technologies. A transformer based voltage combiner is proposed to combine power generated from several low-voltage CMOS amplifiers. Unlike other vol... | An energy-efficient VLSI architecture for pattern recognition via deep embedding of computation in SRAM In this paper, we propose the concept of compute memory, where computation is deeply embedded into the memory (SRAM). This deep embedding enables multi-row read access and analog signal processing. Compute memory exp... | Neuropixels Data-Acquisition System: A Scalable Platform for Parallel Recording of 10,000+ Electrophysiological Signals. Although CMOS fabrication has enabled a quick evolution in the design of high-density neural probes and neural-recording chips, the scaling and miniaturization of the complete data-acquisition system... | 1.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.066667 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Mismatch-based timing errors in current steering DACs Current Steering Digital-to-Analog Converters (CS-DAC) are important ingredients in many high-speed data converters. Various types of timing errors such as mismatch based timing errors limit broad-band performance. A framework of timing errors is presented here and ... | Bandwidth Limitation for the Constant Envelope Components of an OFDM Signal in a LINC Architecture The linear amplification using non-linear components (LINC) power amplifier architecture uses saturated amplifiers to achieve high efficiency and linearity. However, the non-linear operations for LINC separation lead to b... | SFDR-bandwidth limitations for high speed high resolution current steering CMOS D/A converters Although very high update rates are achieved in recent publications on high resolution D/A converters, the bottleneck in the design is to achieve a high spurious free output signal bandwidth. The influence of the dynamic outp... | Analysis of a 5.5-V Class-D Stage Used in 30-dBm Outphasing RF PAs in 130- and 65-nm CMOS This brief presents the design and analysis of a 5.5-V class-D stage used in two fully integrated watt-level, +32.0 and + 29.7 dBm, outphasing RF power amplifiers (PAs) in standard 130- and 65-nm CMOS technologies. The class-D sta... | A Sensitive Method to Measure the Integral Non-Linearity of a Digital-to-Time Converter based on Phase Modulation A Digital-to-Time Converter (DTC) produces a time delay based on a digital code. Like for data converters, linearity is a key metric for a DTC and it can be characterized by its Integral Non-Linearity (INL)... | An Efficient Mixed-Signal 2.4-GHz Polar Power Amplifier in 65-nm CMOS Technology A 65-nm digitally modulated polar transmitter incorporates a fully integrated, efficient 2.4-GHz switching Inverse Class-D power amplifier. Low-power digital filtering on the amplitude path helps remove spectral images for coexistence. The... | A Switched-Capacitor RF Power Amplifier A fully integrated switched-capacitor power amplifier (SCPA) utilizes switched-capacitor techniques in an EER/Polar architecture. It operates on the envelope of a nonconstant envelope modulated signal as an RF-DAC in order to amplify the signal efficiently. The measured maximum o... | A 90-nm CMOS Doherty power amplifier with minimum AM-PM distortion A linear Doherty amplifier is presented. The design reduces AM-PM distortion by optimizing the device-size ratio of the carrier and peak amplifiers to cancel each other's phase variation. Consequently, this design achieves both good linearity and high b... | A Fast and High Quality Multilevel Scheme for Partitioning Irregular Graphs Recently, a number of researchers have investigated a class of graph partitioning algorithms that reduce the size of the graph by collapsing vertices and edges, partition the smaller graph, and then uncoarsen it to construct a partition for the... | Understanding churn in peer-to-peer networks The dynamics of peer participation, or churn, are an inherent property of Peer-to-Peer (P2P) systems and critical for design and evaluation. Accurately characterizing churn requires precise and unbiased information about the arrival and departure of peers, which is challengi... | A g/sub m//I/sub D/ based methodology for the design of CMOS analog circuits and its application to the synthesis of a silicon-on-insulator micropower OTA A new design methodology based on a unified treatment of all the regions of operation of the MOS transistor is proposed. It is intended for the design of CMOS analog... | Bidirectional current-mode capacitor multiplier in DC-DC converter compensation Bidirectional current-mode capacitor multipliers for on-chip DC-DC converter compensation are presented in this paper. The increasing demand for portable devices is a driving force toward higher integration. Reducing physical area with the ... | 27.9 A 200kS/s 13.5b integrated-fluxgate differential-magnetic-to-digital converter with an oversampling compensation loop for contactless current sensing High voltage applications such as electric motor controllers, solar panel power inverters, electric vehicle battery chargers, uninterrupted and switching mode power ... | A Heterogeneous PIM Hardware-Software Co-Design for Energy-Efficient Graph Processing Processing-In-Memory (PIM) is an emerging technology that addresses the memory bottleneck of graph processing. In general, analog memristor-based PIM promises high parallelism provided that the underlying matrix-structured crossbar ca... | 1.074133 | 0.073889 | 0.073889 | 0.073889 | 0.036944 | 0.006441 | 0.000348 | 0.000127 | 0 | 0 | 0 | 0 | 0 | 0 |
A 4-Phase 30–70 MHz Switching Frequency Buck Converter Using a Time-Based Compensator A high switching frequency multi-phase buck converter architecture using a time-based compensator is presented. Efficiency degradation due to mismatch between the phases is mitigated by generating precisely matched duty-cycles by comb... | System-on-Chip: Reuse and Integration Over the past ten years, as integrated circuits became increasingly more complex and expensive, the industry began to embrace new design and reuse methodologies that are collectively referred to as system-on-chip (SoC) design. In this paper, we focus on the reuse and integration is... | A 300mA 14mV-ripple digitally controlled buck converter using frequency domain ΔΣ ADC and hybrid PWM generator A 0.18 μm CMOS digitally controlled DC-DC buck converter is presented. An all-digital 8 b frequency-domain ΔΣ ADC is used for the feedback path, and a 9 b segmented digital PWM is used for power stage control.... | Efficient Bi-Directional Digital Communication Scheme for Isolated Switch Mode Power Converters. An efficient high-speed bi-directional data transmission scheme for isolated AC-DC and DC-DC switched mode power converters is presented. The bi-directional scheme supports fast, efficient and reliable transmission of digit... | Merged Two-Stage Power Converter With Soft Charging Switched-Capacitor Stage in 180 nm CMOS In this paper, we introduce a merged two-stage dc-dc power converter for low-voltage power delivery. By separating the transformation and regulation function of a dc-dc power converter into two stages, both large voltage transfo... | Digital 2-/3-Phase Switched-Capacitor Converter With Ripple Reduction and Efficiency Improvement. This paper presents a digitally controlled 2-/3-phase 6-ratio switched-capacitor (SC) dc-dc converter with low output voltage ripple and high efficiency. To achieve wide input and output voltage ranges, six voltage convers... | Database relations with null values A new formal approach is proposed for modeling incomplete database information by means of null values. The basis of our approach is an interpretation of nulls which obviates the need for more than one type of null. The conceptual soundness of this approach is demonstrated by general... | The Emergence of Intelligent Enterprises: From CPS to CPSS When IEEE Intelligent Systems solicited ideas for a new department, cyberphysical systems(CPS) received overwhelming support.Cyber-Physical-Social Systems is the new name for CPS. CPSS is the enabling platform technology that will lead us to an era of intellige... | Networks of spiking neurons: the third generation of neural network models The computational power of formal models for networks of spiking neurons is compared with that of other neural network models based on McCulloch Pitts neurons (i.e., threshold gates), respectively, sigmoidal gates. In particular it is shown that... | Distributed computation in dynamic networks In this paper we investigate distributed computation in dynamic networks in which the network topology changes from round to round. We consider a worst-case model in which the communication links for each round are chosen by an adversary, and nodes do not know who their neigh... | Joint mismatch and channel compensation for high-speed OFDM receivers with time-interleaved ADCs Analog-to-digital converters (ADCs) with high sampling rates and output resolution are required for the design of mostly digital transceivers in emerging multi-Gigabit communication systems. A promising approach is to use a... | A Dht-Based Discovery Service For The Internet Of Things Current trends towards the Future Internet are envisaging the conception of novel services endowed with context-aware and autonomic capabilities to improve end users' quality of life. The Internet of Things paradigm is expected to contribute towards this ambitiou... | ΣΔ ADC with fractional sample rate conversion for software defined radio receiver. | A Heterogeneous PIM Hardware-Software Co-Design for Energy-Efficient Graph Processing Processing-In-Memory (PIM) is an emerging technology that addresses the memory bottleneck of graph processing. In general, analog memristor-based PIM promises high parallelism provided that the underlying matrix-structured crossbar ca... | 1.11 | 0.12 | 0.12 | 0.12 | 0.1 | 0.0125 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Master Data Quality Barriers: An Empirical Investigation Purpose - The development of IT has enabled organizations to collect and store many times more data than they were able to just decades ago. This means that companies are now faced with managing huge amounts of data, which represents new challenges in ensuring hi... | Software complexity measurement Inappropriate use of software complexity measures can have large, damaging effects by rewarding poor programming practices and demoralizing good programmers. Software complexity measures must be critically evaluated to determine the ways in which they can best be used. | Standards for XML and Web Services Security XML schemas convey the data syntax and semantics for various application domains, such as business-to-business transactions, medical records, and production status reports. However, these schemas seldom address security issues, which can lead to a worst-case scenario of syste... | Architecture and design of adaptive object-models Many object-oriented information systems share an architectural style that emphasizes flexibility and run-time adaptability. Business rules are stored externally to the program such as in a database or XML files instead of in code. The object model that the user cares a... | Normal accidents: Data quality problems in ERP-enabled manufacturing The efficient operation of Enterprise Resource Planning (ERP) systems largely depends on data quality. ERP can improve data quality and information sharing within an organization. It can also pose challenges to data quality. While it is well known tha... | A Framework for Considering Comprehensibility in Modeling. Comprehensibility in modeling is the ability of stakeholders to understand relevant aspects of the modeling process. In this article, we provide a framework to help guide exploration of the space of comprehensibility challenges. We consider facets organized aro... | Dependency-preserving normalization of relational and XML data Having a database design that avoids redundant information and update anomalies is the main goal of normalization techniques. Ideally, data as well as constraints should be preserved. However, this is not always achievable: while BCNF eliminates all redunda... | Differential Power Analysis . Cryptosystem designers frequently assume that secrets willbe manipulated in closed, reliable computing environments. Unfortunately,actual computers and microchips leak information about the operationsthey process. This paper examines specific methods for analyzingpower consumption measure... | Searching in an unknown environment: an optimal randomized algorithm for the cow-path problem Searching for a goal is a central and extensively studied problem in computer science. In classical searching problems, the cost of a search function is simply the number of queries made to an oracle that knows the position of... | Adaptive Synchronization of an Uncertain Complex Dynamical Network This brief paper further investigates the locally and globally adaptive
synchronization of an uncertain complex dynamical network. Several network
synchronization criteria are deduced. Especially, our hypotheses and designed
adaptive controllers for net... | Practical Mitigations for Timing-Based Side-Channel Attacks on Modern x86 Processors This paper studies and evaluates the extent to which automated compiler techniques can defend against timing-based side-channel attacks on modern x86 processors. We study how modern x86 processors can leak timing information through si... | Fully Integrated CMOS Power Amplifier With Efficiency Enhancement at Power Back-Off This paper presents a new approach for power amplifier design using deep submicron CMOS technologies. A transformer based voltage combiner is proposed to combine power generated from several low-voltage CMOS amplifiers. Unlike other vol... | Understanding the regenerative comparator circuit The regenerative comparator circuit which lies at the heart of A/D conversion, slicer circuits, and memory sensing, is unstable, time-varying, nonlinear, and with multiple equilibria. That does not mean, as this paper shows, that it cannot be understood with simple equi... | A 12.6 mW, 573-2901 kS/s Reconfigurable Processor for Reconstruction of Compressively Sensed Physiological Signals. This article presents a reconfigurable processor based on the alternating direction method of multipliers (ADMM) algorithm for reconstructing compressively sensed physiological signals. The architecture i... | 1.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Drivers, barriers and critical success factors for ERPII implementation in supply chains: A critical analysis This paper reviews existing literature to determine the drivers of and barriers to Enterprise Resource Planning II (ERPII) implementation. The ERPII literature is then extended through interviews with potential... | Software complexity measurement Inappropriate use of software complexity measures can have large, damaging effects by rewarding poor programming practices and demoralizing good programmers. Software complexity measures must be critically evaluated to determine the ways in which they can best be used. | Standards for XML and Web Services Security XML schemas convey the data syntax and semantics for various application domains, such as business-to-business transactions, medical records, and production status reports. However, these schemas seldom address security issues, which can lead to a worst-case scenario of syste... | Architecture and design of adaptive object-models Many object-oriented information systems share an architectural style that emphasizes flexibility and run-time adaptability. Business rules are stored externally to the program such as in a database or XML files instead of in code. The object model that the user cares a... | Concurrent Data Materialization For Xml-Enabled Database With Semantic Metadata For a company with many databases in different data models, it is necessary to consolidate them into one interchangeable data model and present data in more than one data model concurrently to different users or individual users who need to... | A Framework for Considering Comprehensibility in Modeling. Comprehensibility in modeling is the ability of stakeholders to understand relevant aspects of the modeling process. In this article, we provide a framework to help guide exploration of the space of comprehensibility challenges. We consider facets organized aro... | Dependency-preserving normalization of relational and XML data Having a database design that avoids redundant information and update anomalies is the main goal of normalization techniques. Ideally, data as well as constraints should be preserved. However, this is not always achievable: while BCNF eliminates all redunda... | Differential Power Analysis . Cryptosystem designers frequently assume that secrets willbe manipulated in closed, reliable computing environments. Unfortunately,actual computers and microchips leak information about the operationsthey process. This paper examines specific methods for analyzingpower consumption measure... | Searching in an unknown environment: an optimal randomized algorithm for the cow-path problem Searching for a goal is a central and extensively studied problem in computer science. In classical searching problems, the cost of a search function is simply the number of queries made to an oracle that knows the position of... | Adaptive Synchronization of an Uncertain Complex Dynamical Network This brief paper further investigates the locally and globally adaptive
synchronization of an uncertain complex dynamical network. Several network
synchronization criteria are deduced. Especially, our hypotheses and designed
adaptive controllers for net... | Practical Mitigations for Timing-Based Side-Channel Attacks on Modern x86 Processors This paper studies and evaluates the extent to which automated compiler techniques can defend against timing-based side-channel attacks on modern x86 processors. We study how modern x86 processors can leak timing information through si... | Fully Integrated CMOS Power Amplifier With Efficiency Enhancement at Power Back-Off This paper presents a new approach for power amplifier design using deep submicron CMOS technologies. A transformer based voltage combiner is proposed to combine power generated from several low-voltage CMOS amplifiers. Unlike other vol... | Understanding the regenerative comparator circuit The regenerative comparator circuit which lies at the heart of A/D conversion, slicer circuits, and memory sensing, is unstable, time-varying, nonlinear, and with multiple equilibria. That does not mean, as this paper shows, that it cannot be understood with simple equi... | A 12.6 mW, 573-2901 kS/s Reconfigurable Processor for Reconstruction of Compressively Sensed Physiological Signals. This article presents a reconfigurable processor based on the alternating direction method of multipliers (ADMM) algorithm for reconstructing compressively sensed physiological signals. The architecture i... | 1.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
An Inverse-Class-F CMOS Oscillator With Intrinsic-High-Q First Harmonic and Second Harmonic Resonances. This paper details the theory and implementation of an inverse-class-F (class-F-1) CMOS oscillator. It features: 1) a single-ended PMOS-NMOS-complementary architecture to generate the differential outputs and 2) a tr... | Implicit Common-Mode Resonance in LC Oscillators. The performance of a differential LC oscillator can be enhanced by resonating the common mode of the circuit at twice the oscillation frequency. When this technique is correctly employed, Q-degradation due to the triode operation of the differential pair is eliminated a... | A Noise Circulating Oscillator This paper presents a noise circulating cross-coupled voltage-controlled oscillator (VCO) topology with a transformer-based tank. The introduced noise circulating active core greatly suppresses the effective noise power from the active devices while offering the same amount of negative re... | A General Theory of Injection Locking and Pulling in Electrical Oscillators—Part I: Time-Synchronous Modeling and Injection Waveform Design A general model of electrical oscillators under the influence of a periodic injection is presented. Stemming solely from the autonomy and periodic time variance inherent in all osc... | A 3.36-GHz Locking-Tuned Type-I Sampling PLL With −78.6-dBc Reference Spur Merging Single-Path Reference-Feedthrough-Suppression and Narrow-Pulse-Shielding Techniques This brief describes a type-I analog sampling phase-locked loop (S-PLL) featuring reference-feedthrough-suppression and narrow-pulse-shielding techniques... | An Ultra-Low Phase Noise Class-F 2 CMOS Oscillator With 191 dBc/Hz FoM and Long-Term Reliability In this paper, we propose a new class of operation of an RF oscillator that minimizes its phase noise. The main idea is to enforce a clipped voltage waveform around the LC tank by increasing the second-harmonic of fundament... | 1-5.6 Gb/s CMOS clock and data recovery IC with a static phase offset compensated linear phase detector This study presents a 1-5.6 Gb/s CMOS clock and data recovery (CDR) integrated circuit (IC) implemented in a 0.13 μm CMOS process. The CDR uses a half-rate linear phase detector (PD) of which static phase offset is c... | Low-power area-efficient high-speed I/O circuit techniques We present a 4-Gb/s I/O circuit that fits in 0.1-mm/sup 2/ of die area, dissipates 90 mW of power, and operates over 1 m of 7-mil 0.5-oz PCB trace in a 0.25-/spl mu/m CMOS technology. Swing reduction is used in an input-multiplexed transmitter to provide most o... | Long short-term memory. Learning to store information over extended time intervals by recurrent backpropagation takes a very long time, mostly because of insufficient, decaying error backflow. We briefly review Hochreiter's (1991) analysis of this problem, then address it by introducing a novel, efficient, gradient-bas... | Dynamic spectrum access in open spectrum wireless networks One of the reasons for the limitation of bandwidth in current generation wireless networks is the spectrum policy of the Federal Communications Commission (FCC). But, with the spectrum policy reform, open spectrum wireless networks, and spectrum agile radios ar... | The rainbow skip graph: a fault-tolerant constant-degree distributed data structure We present a distributed data structure, which we call the rainbow skip graph. To our knowledge, this is the first peer-to-peer data structure that simultaneously achieves high fault-tolerance, constant-sized nodes, and fast update and ... | A 52 <formula formulatype="inline"><tex Notation="TeX">$\mu$</tex> </formula>W Wake-Up Receiver With <formula formulatype="inline"><tex Notation="TeX">$-$</tex> </formula>72 dBm Sensitivity Using an Uncertain-IF Architecture A dedicated wake-up receiver may be used in wireless sensor nodes to control duty cycle and red... | Formal Analysis of Leader Election in MANETs Using Real-Time Maude. | A 232-1996-kS/s Robust Compressive Sensing Reconstruction Engine for Real-Time Physiological Signals Monitoring. Compressive sensing (CS) techniques enable new reduced-complexity designs for sensor nodes and help reduce overall transmission power in wireless sensor network. However, for real-time physiological signals ... | 1.11 | 0.11 | 0.11 | 0.1 | 0.06 | 0.044 | 0.01 | 0.0025 | 0 | 0 | 0 | 0 | 0 | 0 |
Secure Model Checkers for Network-on-Chip (NoC) Architectures. As chip multiprocessors (CMPs) are becoming more susceptible to process variation, crosstalk, and hard and soft errors, emerging threats from rogue employees in a compromised foundry are creating new vulnerabilities that could undermine the integrity of our... | Energy Efficient Run-Time Incremental Mapping for 3-D Networks-on-Chip 3-D Networks-on-Chip(NoC) emerge as a potent solution to address both the interconnection and design complexity problems facing future Multiprocessor System-on-Chips(MPSoCs).Effective run-time mapping on such 3-D NoC-based MPSoCs can be quite challe... | A Security Framework for NoC Using Authenticated Encryption and Session Keys Abstract Network on Chip (NoC) is an emerging solution to the existing scalability problems with System on Chip (SoC). However, it is exposed to security threats like extraction of secret information from IP cores. In this paper we present an ... | A Survey of Timing Channels and Countermeasures. A timing channel is a communication channel that can transfer information to a receiver/decoder by modulating the timing behavior of an entity. Examples of this entity include the interpacket delays of a packet stream, the reordering packets in a packet stream, or the re... | Scratchpad memory: design alternative for cache on-chip memory in embedded systems In this paper we address the problem of on-chip memory selection for computationally intensive applications, by proposing scratch pad memory as an alternative to cache. Area and energy for different scratch pad and cache sizes are comput... | On-Chip Interconnection Architecture of the Tile Processor iMesh, the Tile Processor Architecture's on-chip interconnection network, connects the multicore processor's tiles with five 2D mesh networks, each specialized for a different use. Taking advantage of the five networks, the c-based iLib interconnection library ... | The part-time parliament Recent archaeological discoveries on the island of Paxos reveal that the parliament functioned despite the peripatetic propensity of its part-time legislators. The legislators maintained consistent copies of the parliamentary record, despite their frequent forays from the chamber and the forget... | Measuring the Gap Between FPGAs and ASICs ABSTRACT This paper presents experimental measurements of the differences between a 90nm CMOS FPGA and 90nm CMOS Standard Cell ASICs in terms of logic density, circuit speed and power consumption. We are motivated to make these measurements to enable system designers to make be... | Language-based information-flow security Current standard security practices do not provide substantial assurance that the end-to-end behavior of a computing system satisfies important security policies such as confidentiality. An end-to-end confidentiality policy might assert that secret input data cannot be inferred ... | Fundamental control algorithms in mobile networks In this work we propose simple and efficient protocols forcounting and leader election in mobile networks. For mobilenetworks with fixed base stations we provide a new andvery efficient protocol for counting the number of mobilehosts. The main part of the work concentr... | Master Data Quality Barriers: An Empirical Investigation Purpose - The development of IT has enabled organizations to collect and store many times more data than they were able to just decades ago. This means that companies are now faced with managing huge amounts of data, which represents new challenges in ensuring hi... | An Opportunistic Cognitive MAC Protocol for Coexistence with WLAN In last decades, the demand of wireless spectrum has increased rapidly with the development of mobile communication services. Recent studies recognize that traditional fixed spectrum assignment does not use spectrum efficiently. Such a wasting phenomenon... | Towards elastic SDR architectures using dynamic task management. SDR platforms integrating several types and numbers of processing elements in System-on-Chips become an attractive solution for baseband processing in wireless systems. In order to cope with the diversity of protocol applications and the heterogeneity of ... | A 12.6 mW, 573-2901 kS/s Reconfigurable Processor for Reconstruction of Compressively Sensed Physiological Signals. This article presents a reconfigurable processor based on the alternating direction method of multipliers (ADMM) algorithm for reconstructing compressively sensed physiological signals. The architecture i... | 1.2 | 0.2 | 0.2 | 0.2 | 0.1 | 0.066667 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Low-Cost Online Convolution Checksum Checker Managing random hardware faults requires the faults to be detected online, thus simplifying recovery. Algorithm-based fault tolerance has been proposed as a low-cost mechanism to check online the result of computations against random hardware failures. In this case, the chec... | High Throughput Spatial Convolution Filters on FPGAs. Digital signal processing (DSP) on field-programmable gate arrays (FPGAs) has long been appealing because of the inherent parallelism in these computations that can be easily exploited to accelerate such algorithms. FPGAs have evolved significantly to further enhanc... | Ara: A 1-GHz+ Scalable and Energy-Efficient RISC-V Vector Processor With Multiprecision Floating-Point Support in 22-nm FD-SOI. In this article, we present Ara, a 64-bit vector processor based on the version 0.5 draft of RISC-V's vector extension, implemented in GlobalFoundries 22FDX fully depleted silicon-on-insul... | You Only Look Once: Unified, Real-Time Object Detection We present YOLO, a new approach to object detection. Prior work on object detection repurposes classifiers to perform detection. Instead, we frame object detection as a regression problem to spatially separated bounding boxes and associated class probabilities. A ... | The weakest failure detector for solving consensus We determine what information about failures is necessary and sufficient to solve Consensus in asynchronous distributed systems subject to crash failures. In Chandra and Toueg (1996), it is shown that {0, a failure detector that provides surprisingly little information... | Software complexity measurement Inappropriate use of software complexity measures can have large, damaging effects by rewarding poor programming practices and demoralizing good programmers. Software complexity measures must be critically evaluated to determine the ways in which they can best be used. | Information-driven dynamic sensor collaboration This article overviews the information-driven approach to sensor collaboration in ad hoc sensor networks. The main idea is for a network to determine participants in a "sensor collaboration" by dynamically optimizing the information utility of data for a given cost of com... | ImageNet Classification with Deep Convolutional Neural Networks. We trained a large, deep convolutional neural network to classify the 1.2 million high-resolution images in the ImageNet LSVRC-2010 contest into the 1000 different classes. On the test data, we achieved top-1 and top-5 error rates of 37.5% and 17.0%, resp... | Estimation of entropy and mutual information We present some new results on the nonparametric estimation of entropy and mutual information. First, we use an exact local expansion of the entropy function to prove almost sure consistency and central limit theorems for three of the most commonly used discretized informati... | Collection and Analysis of Microprocessor Design Errors Research on practical design verification techniques has long been impeded by the lack of published, detailed error data. We have systematically collected design error data over the last few years from a number of academic microprocessor design projects. We analyz... | The challenges of merging two similar structured overlays: a tale of two networks Structured overlay networks is an important and interesting primitive that can be used by diverse peer-to-peer applications. Multiple overlays can result either because of network partitioning or (more likely) because different groups of ... | Digital signal processors in cellular radio communications Contemporary wireless communications are based on digital communications technologies. The recent commercial success of mobile cellular communications has been enabled in part by successful designs of digital signal processors with appropriate on-chip memories ... | Optimum insertion/deletion point selection for fractional sample rate conversion In this paper, an optimum insertion/deletion point selection algorithm for fractional sample rate conversion (SRC) is proposed. The direct insertion/deletion technique achieves low complexity and low power consumption as compared to the ot... | A 12.6 mW, 573-2901 kS/s Reconfigurable Processor for Reconstruction of Compressively Sensed Physiological Signals. This article presents a reconfigurable processor based on the alternating direction method of multipliers (ADMM) algorithm for reconstructing compressively sensed physiological signals. The architecture i... | 1.2 | 0.2 | 0.2 | 0.066667 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
A distributed multiple dimensional QoS constrained resource scheduling optimization policy in computational grid This paper is to solve efficient QoS based resource scheduling in computational grid. It defines a set of QoS dimensions with utility function for each dimensions, uses a market model for distributed optimiz... | Multiple agent-based autonomy for satellite constellations There is an increasing desire to use constellations of au- tonomous spacecraft working together to accomplish complex mission objectives. Multiple, highly autonomous, satellite systems are envisioned because they are capable of higher performance, lower cost, b... | On a Class of Directed Graphs-With an Application to Traffic-Flow Problems Let G be a directed graph such that even edge e of G is associated with a positive integer, called the index of e. Then G is called a network graph if, at every vertex v of G, the sum of the indices of the edges terminating at v is equal to that... | An Inexact Dual Fast Gradient-Projection Method for Separable Convex Optimization with Linear Coupled Constraints. In this paper, a class of separable convex optimization problems with linear coupled constraints is studied. According to the Lagrangian duality, the linear coupled constraints are appended to the objectiv... | Distributed Tracking of Nonlinear Multiagent Systems Under Directed Switching Topology: An Observer-Based Protocol This paper deals with a consensus tracking problem for multiagent systems (MASs) with Lipschitz-type nonlinear dynamics and directed switching topology. Unlike most existing works where the relative full s... | The part-time parliament Recent archaeological discoveries on the island of Paxos reveal that the parliament functioned despite the peripatetic propensity of its part-time legislators. The legislators maintained consistent copies of the parliamentary record, despite their frequent forays from the chamber and the forget... | GloMoSim: a library for parallel simulation of large-scale wireless networks Abstract Anumber,of library-based parallel ,and sequential network,simulators ,have ,been ,designed. This paper describes a library, called GloMoSim (for Global Mobile system Simulator), for parallel simulation of wireless networks. ... | Long short-term memory. Learning to store information over extended time intervals by recurrent backpropagation takes a very long time, mostly because of insufficient, decaying error backflow. We briefly review Hochreiter's (1991) analysis of this problem, then address it by introducing a novel, efficient, gradient-bas... | DieHard: probabilistic memory safety for unsafe languages Applications written in unsafe languages like C and C++ are vulnerable to memory errors such as buffer overflows, dangling pointers, and reads of uninitialized data. Such errors can lead to program crashes, security vulnerabilities, and unpredictable behavior. W... | Beyond Stack Smashing: Recent Advances in Exploiting Buffer Overruns This article describes three powerful general-purpose families of exploits for buffer overruns: arc injection, pointer subterfuge, and heap smashing. These new techniques go beyond the traditional "stack smashing" attack and invalidate traditional ass... | Fuzzy regulators and fuzzy observers: relaxed stability conditions and LMI-based designs This paper presents new relaxed stability conditions and LMI- (linear matrix inequality) based designs for both continuous and discrete fuzzy control systems. They are applied to design problems of fuzzy regulators and fuzzy observ... | Practical Timing Side Channel Attacks against Kernel Space ASLR Due to the prevalence of control-flow hijacking attacks, a wide variety of defense methods to protect both user space and kernel space code have been developed in the past years. A few examples that have received widespread adoption include stack canaries,... | ΣΔ ADC with fractional sample rate conversion for software defined radio receiver. | A Heterogeneous PIM Hardware-Software Co-Design for Energy-Efficient Graph Processing Processing-In-Memory (PIM) is an emerging technology that addresses the memory bottleneck of graph processing. In general, analog memristor-based PIM promises high parallelism provided that the underlying matrix-structured crossbar ca... | 1.2 | 0.2 | 0.2 | 0.1 | 0.05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Distributed Optimal Economic Dispatch for Microgrids Considering Communication Delays This paper investigates the economic dispatch problem of microgrids in a distributed fashion. To address this issue, a delay-free-based distributed algorithm is presented to optimally assign the whole energy demand among local generat... | Convergence rate analysis of distributed optimization with projected subgradient algorithm. In this paper, we revisit the consensus-based projected subgradient algorithm proposed for a common set constraint. We show that the commonly adopted non-summable and square-summable diminishing step sizes of subgradients can be... | A Distributed and Scalable Processing Method Based Upon ADMM. The alternating direction multiplier method (ADMM) was originally devised as an iterative method for solving convex minimization problems by means of parallelization, and was recently used for distributed processing. This letter proposes a modification of st... | Distributed Optimization With Local Domains: Applications in MPC and Network Flows We consider a network where each node has exclusive access to a local cost function. Our contribution is a communicationefficient distributed algorithm that finds a vector x ⋆ minimizing the sum of all the functions. We make the addition... | Stochastic Proximal Gradient Consensus Over Random Networks. We consider solving a convex optimization problem with possibly stochastic gradient, and over a randomly time-varying multiagent network. Each agent has access to some local objective function, and it only has unbiased estimates of the gradients of the smooth... | Distributed Nonsmooth Optimization With Coupled Inequality Constraints via Modified Lagrangian Function. This note considers a distributed convex optimization problem with nonsmooth cost functions and coupled nonlinear inequality constraints. To solve the problem, we first propose a modified Lagrangian function contain... | Consensus problems in networks of agents with switching topology and time-delays. In this paper, we discuss consensus problems for a network of dynamic agents with flxed and switching topologies. We analyze three cases: i) networks with switching topology and no time-delays, ii) networks with flxed topology and communi... | McPAT: An integrated power, area, and timing modeling framework for multicore and manycore architectures This paper introduces McPAT, an integrated power, area, and timing modeling framework that supports comprehensive design space exploration for multicore and manycore processor configurations ranging from 90 nm to 22... | MorphoSys: An Integrated Reconfigurable System for Data-Parallel and Computation-Intensive Applications This paper introduces MorphoSys, a reconfigurable computing system developed to investigate the effectiveness of combining reconfigurable hardware with general-purpose processors for word-level, computation-intensive... | Adaptive Synchronization of an Uncertain Complex Dynamical Network This brief paper further investigates the locally and globally adaptive
synchronization of an uncertain complex dynamical network. Several network
synchronization criteria are deduced. Especially, our hypotheses and designed
adaptive controllers for net... | Cache Games -- Bringing Access-Based Cache Attacks on AES to Practice Side channel attacks on cryptographic systems exploit information gained from physical implementations rather than theoretical weaknesses of a scheme. In recent years, major achievements were made for the class of so called access-driven cache attack... | The analysis and improvement of a current-steering DACs dynamic SFDR-I: the cell-dependent delay differences For a high-accuracy current-steering digital-to-analog converters (DACs), the delay differences between the current sources is one of the major reasons that cause bad dynamic performance. In this paper, a mathem... | An energy-efficient VLSI architecture for pattern recognition via deep embedding of computation in SRAM In this paper, we propose the concept of compute memory, where computation is deeply embedded into the memory (SRAM). This deep embedding enables multi-row read access and analog signal processing. Compute memory exp... | A Heterogeneous PIM Hardware-Software Co-Design for Energy-Efficient Graph Processing Processing-In-Memory (PIM) is an emerging technology that addresses the memory bottleneck of graph processing. In general, analog memristor-based PIM promises high parallelism provided that the underlying matrix-structured crossbar ca... | 1.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.05 | 0.002381 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Analog-to-digital converter survey and analysis Analog-to-digital converters (ADCs) are ubiquitous, critical components of software radio and other signal processing systems. This paper surveys the state-of-the-art of ADCs, including experimental converters and commercially available parts. The distribution of resoluti... | Design Considerations for a Direct RF Sampling Mixer This brief presents a detailed time-domain and frequency-domain analysis of a direct RF sampling mixer. Design considerations such as incomplete charge sharing and large signal nonlinearity are addressed. An accurate frequency-domain transfer function is derived. Est... | Advanced base station technology The authors present an overview of advances in three areas including software radio, adaptive antenna technology, and high-temperature superconductivity as currently envisioned for use in advanced cellular base stations. The conclusion broadly drawn is that the advancement in DSP and AS... | LC-Based Bandpass Continuous-Time Sigma-Delta Modulators With Widely Tunable Notch Frequency This paper analyses the use of bandpass continuous-time ΣΔ modulators with widely programmable notch frequency for the efficient digitization of radio-frequency signals in the next generation of software-defined-radio mobile sy... | All-digital TX frequency synthesizer and discrete-time receiver for Bluetooth radio in 130-nm CMOS We present a single-chip fully compliant Bluetooth radio fabricated in a digital 130-nm CMOS process. The transceiver is architectured from the ground up to be compatible with digital deep-submicron CMOS processes and be ... | Noise Analysis of Regenerative Comparators for Reconfigurable ADC Architectures The need for highly integrable and programmable analog-to-digital converters (ADCs) is pushing towards the use of dynamic regenerative comparators to maximize speed, power efficiency and reconfigurability. Comparator thermal noise is, howev... | A Continuous-Time ADC/DSP/DAC System With No Clock and With Activity-Dependent Power Dissipation A continuous-time system that converts its analog input to a continuous-time digital representation without sampling, then processes the information digitally without the aid of a clock, is presented. Without sampling there... | A Multimodal CMOS MEA for High-Throughput Intracellular Action Potential Measurements and Impedance Spectroscopy in Drug-Screening Applications. Multi-electrode arrays (MEAs) are a candidate technology to screen cardiotoxicity in vitro because they enable noninvasive recording of cardiac beating rate, electrical field ... | Efficient filterbank channelizers for software radio receivers For cellular software radio receivers, this paper presents a computationally efficient algorithm for extracting individual radio channels from the output of the wideband A/D converter. In a software radio, the extraction of individual channels from the outp... | A wideband 2.4-GHz delta-sigma fractional-NPLL with 1-Mb/s in-loop modulation A phase noise cancellation technique and a charge pump linearization technique, both of which are insensitive to component errors, are presented and demonstrated as enabling components in a wideband CMOS delta-sigma fractional-N phase-locked ... | Fundamental control algorithms in mobile networks In this work we propose simple and efficient protocols forcounting and leader election in mobile networks. For mobilenetworks with fixed base stations we provide a new andvery efficient protocol for counting the number of mobilehosts. The main part of the work concentr... | New OPBHWICAP Interface for Realtime Partial Reconfiguration of FPGA We propose in this paper, a timing analysis of dynamic partial reconfiguration (PR) applied to a NoC (Network on Chip) structure inside a FPGA. In the context of a SDR (Software Defined Radio) example, PR is used to dynamically reconfigure a baseband ... | Electromagnetic regenerative suspension system for ground vehicles This paper considers an electromagnetic regenerative suspension system (ERSS) that recovers the kinetic energy originated from vehicle vibration, which is previously dissipated in traditional shock absorbers. It can also be used as a controllable damper... | A 12.6 mW, 573-2901 kS/s Reconfigurable Processor for Reconstruction of Compressively Sensed Physiological Signals. This article presents a reconfigurable processor based on the alternating direction method of multipliers (ADMM) algorithm for reconstructing compressively sensed physiological signals. The architecture i... | 1.011377 | 0.009815 | 0.008963 | 0.008696 | 0.002652 | 0.000678 | 0.00013 | 0.000058 | 0.000015 | 0 | 0 | 0 | 0 | 0 |
Isometric Torque Control for Neuromuscular Electrical Stimulation With Time-Varying Input Delay. Previous results have shown experimental evidence that the muscle response to neuromuscular electrical stimulation (NMES) is delayed; the time lag is often referred to as electromechanical delay. NMES closed-loop control me... | Robustness of Adaptive Control under Time Delays for Three-Dimensional Curve Tracking. We analyze the robustness of a class of controllers that enable three-dimensional curve tracking by a free moving particle. The free particle tracks the closest point on the curve. By building a strict Lyapunov function and robustly ... | Robust compensation of a chattering time-varying input delay We investigate the design of a prediction-based controller for a linear system subject to a time-varying input delay, not necessarily causal. This means that the information feeding the system can be older than ones previously received. We propose to use the ... | Asymptotic stability for time-variant systems and observability: Uniform and nonuniform criteria This paper presents some new criteria for uniform and nonuniform asymptotic stability of equilibria for time-variant differential equations and this within a Lyapunov approach. The stability criteria are formulated in terms... | Local Stabilization of Nonlinear Systems Through the Reduction Model Approach. We study a general class of nonlinear systems with input delays of arbitrary size. We adapt the reduction model approach to prove local asymptotic stability of the closed loop input delayed systems, using feedbacks that may be nonlinear. Our... | Stabilization of nonlinear delay systems using approximate predictors and high-gain observers We provide a solution to the heretofore open problem of stabilization of systems with arbitrarily long delays at the input and output of a nonlinear system using output feedback only. The solution is global, employs the predic... | Continuous–discrete adaptive observers for state affine systems The observation of a class of multi-input multi-output (MIMO) state affine systems with constant unknown parameters and discrete time output measurements is addressed. Assuming some persistent excitation conditions to hold and the sampling steps to satisfy... | Impossibility of distributed consensus with one faulty process The consensus problem involves an asynchronous system of processes, some of which may be unreliable. The problem is for the reliable processes to agree on a binary value. In this paper, it is shown that every protocol for this problem has the possibility of... | InterCloud: utility-oriented federation of cloud computing environments for scaling of application services Cloud computing providers have setup several data centers at different geographical locations over the Internet in order to optimally serve needs of their customers around the world However, existing systems do n... | Error Exponents for Asymmetric Two-User Discrete Memoryless Source-Channel Systems Consider transmitting two discrete memoryless correlated sources, consisting of a common and a private source, over a discrete memoryless multi-terminal channel with two transmitters and two receivers. At the transmitter side, the common... | A process calculus for Mobile Ad Hoc Networks We present the @w-calculus, a process calculus for formally modeling and reasoning about Mobile Ad Hoc Wireless Networks (MANETs) and their protocols. The @w-calculus naturally captures essential characteristics of MANETs, including the ability of a MANET node to broadcast ... | Efficiency of a Regenerative Direct-Drive Electromagnetic Active Suspension. The efficiency and power consumption of a direct-drive electromagnetic active suspension system for automotive applications are investigated. A McPherson suspension system is considered, where the strut consists of a direct-drive brushless tub... | A 12.8 GS/s Time-Interleaved ADC With 25 GHz Effective Resolution Bandwidth and 4.6 ENOB This paper presents a 12.8 GS/s 32-way hierarchically time-interleaved SAR ADC with 4.6 ENOB in 65 nm CMOS. The prototype utilizes hierarchical sampling and cascode sampler circuits to enable greater than 25 GHz 3 dB effective reso... | A Heterogeneous PIM Hardware-Software Co-Design for Energy-Efficient Graph Processing Processing-In-Memory (PIM) is an emerging technology that addresses the memory bottleneck of graph processing. In general, analog memristor-based PIM promises high parallelism provided that the underlying matrix-structured crossbar ca... | 1.205 | 0.205 | 0.103 | 0.1025 | 0.05275 | 0.035444 | 0.000704 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Aker: A Design and Verification Framework for Safe and Secure SoC Access Control Modern systems on a chip (SoCs) utilize heterogeneous architectures where multiple IP cores have concurrent access to on-chip shared resources. In security-critical applications, IP cores have different privilege levels for accessing share... | WHISK: an uncore architecture for dynamic information flow tracking in heterogeneous embedded SoCs In this paper, we describe for the first time, how Dynamic Information Flow Tracking (DIFT) can be implemented for heterogeneous designs that contain one or more on-chip accelerators attached to a network-on-chip. We obse... | Hardware-Assisted Detection of Malicious Software in Embedded Systems One of the critical security threats to computer systems is the execution of malware or malicious software. Several intrusion detection systems have been proposed which perform detection analysis in the software using the audit files generated by the... | SHIELD: a software hardware design methodology for security and reliability of MPSoCs Security of MPSoCs is an emerging area of concern in embedded systems. Security is jeopardized by code injection attacks, which are the most common types of software attacks. Previous attempts to detect code injection in MPSoCs have b... | Towards decentralized system-level security for MPSoC-based embedded applications. With the increasing connectivity and complexity of embedded systems, security issues have become a key consideration in design. In this paper, we propose a decentralized system-level approach for isolating application tasks without the n... | An In-depth Study of MPU-Based Isolation Techniques. Many attacks have been reported and published targeting constrained embedded systems. Attackers try to exploit vulnerabilities through all possible layers of abstraction. A single vulnerability can be enough to take over the whole device and change its intended behav... | Time-Predictable Acceleration of Deep Neural Networks on FPGA SoC Platforms This work focuses on the time-predictable execution of Deep Neural Networks (DNNs) accelerated on FPGA System-on-Chips (SoCs). The modern DPU accelerator by Xilinx is considered. An extensive profiling campaign targeting the Zynq Ultrascale+ pl... | Ad-hoc On-Demand Distance Vector Routing This paper describes work carried out as part of the GUIDE project at Lancaster University. The overall aim of the project is to develop a context-sensitive tourist guide for visitors to the city of Lancaster. Visitors are equipped with portable GUIDE ... | Trellis-coded modulation with bit interleaving and iterative decoding This paper considers bit-interleaved coded modulation (BICM) for bandwidth-efficient transmission using software radios. A simple iterative decoding (ID) method with hard-decision feedback is suggested to achieve better performance. The paper shows t... | A review of process fault detection and diagnosis: Part II: Qualitative models and search strategies In this part of the paper, we review qualitative model representations and search strategies used in fault diagnostic systems. Qualitative models are usually developed based on some fundamental understanding of the phys... | The Quadrature LC Oscillator: A Complete Portrait Based on Injection Locking We show that the quadrature LC oscillator is best treated as two strongly coupled, nominally identical oscillators that are locked to the same frequency. Differential equations that extend Adler's description of locking to strong injection... | Minimum-Cost Data Delivery in Heterogeneous Wireless Networks With various wireless technologies developed, a ubiquitous and integrated architecture is envisioned for future wireless communication. An important optimization issue in such an integrated system is how to minimize the overall communication cost by intellig... | CCFI: Cryptographically Enforced Control Flow Integrity Control flow integrity (CFI) restricts jumps and branches within a program to prevent attackers from executing arbitrary code in vulnerable programs. However, traditional CFI still offers attackers too much freedom to chose between valid jump targets, as seen in r... | A Sub- $\mu$ W Reconfigurable Front-End for Invasive Neural Recording That Exploits the Spectral Characteristics of the Wideband Neural Signal This paper presents a sub-
<inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> <tex-math notation="LaTeX">$\mu \text{W}$ <... | 1.066667 | 0.066667 | 0.066667 | 0.066667 | 0.066667 | 0.066667 | 0.033333 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
A Highly Sensitive Fiber-Optic Fabry-Perot Interferometer Based on Internal Reflection Mirrors for Refractive Index Measurement. In this study, a new type of highly sensitive fiber-optic Fabry-Perot interferometer (FFPI) is proposed with a high sensitivity on a wide refractive index (RI) measurement range based on inte... | Photonic crystal fiber Mach-Zehnder interferometer for refractive index sensing. We report on a refractive index sensor using a photonic crystal fiber (PCF) interferometer which was realized by fusion splicing a short section of PCF (Blaze Photonics, LMA-10) between two standard single mode fibers. The fully collapsed ... | Fiber optic sensor for acoustic detection of partial discharges in oil-paper insulated electrical systems. A fiber optic interferometric sensor with an intrinsic transducer along a length of the fiber is presented for ultrasound measurements of the acoustic emission from partial discharges inside oil-filled power appar... | In-line fiber optic interferometric sensors in single-mode fibers. In-line fiber optic interferometers have attracted intensive attention for their potential sensing applications in refractive index, temperature, pressure and strain measurement, etc. Typical in-line fiber-optic interferometers are of two types: Fabry-P... | Interferometric fiber optic sensors. Fiber optic interferometers to sense various physical parameters including temperature, strain, pressure, and refractive index have been widely investigated. They can be categorized into four types: Fabry-Perot, Mach-Zehnder, Michelson, and Sagnac. In this paper, each type of interf... | Study on the application of an ultra-high-frequency fractal antenna to partial discharge detection in switchgears. The ultra-high-frequency (UHF) method is used to analyze the insulation condition of electric equipment by detecting the UHF electromagnetic (EM) waves excited by partial discharge (PD). As part of the UHF... | Cache operations by MRU change The performance of set associative caches is analyzed. The method used is to group the cache lines into regions according to their positions in the replacement stacks of a cache, and then to observe how the memory access of a CPU is distributed over these regions. Results from the preserv... | Broadband MIMO-OFDM Wireless Communications Orthogonal frequency division multiplexing (OFDM) is a popular method for high data rate wireless transmission. OFDM may be combined with antenna arrays at the transmitter and receiver to increase the diversity gain and/or to enhance the system capacity on time-varying and fr... | Supporting Aggregate Queries Over Ad-Hoc Wireless Sensor Networks We show how the database community's notion of a generic query interface for data aggregation can be applied to ad-hoc networks of sensor devices. As has been noted in the sensor network literature, aggregation is important as a data reduction tool; netw... | Exploiting ILP, TLP, and DLP with the polymorphous TRIPS architecture This paper describes the polymorphous TRIPS architecture which can be configured for different granularities and types of parallelism. TRIPS contains mechanisms that enable the processing cores and the on-chip memory system to be configured and combi... | A 10-Gb/s CMOS clock and data recovery circuit with a half-rate binary phase/frequency detector A 10-Gb/s phase-locked clock and data recovery circuit incorporates a multiphase LC oscillator and a half-rate phase/frequency detector with automatic data retiming. Fabricated in 0.18-μm CMOS technology in an area of 1.75×1... | Design and implementation of a reconfigurable FIR filter Finite impulse response (FIR) filters are very important blocks in digital communication systems. Many efforts have been made to improve the filter performance, e.g., less hardware and higher speed. In addition, software radio has recently gained much attention d... | Understanding the regenerative comparator circuit The regenerative comparator circuit which lies at the heart of A/D conversion, slicer circuits, and memory sensing, is unstable, time-varying, nonlinear, and with multiple equilibria. That does not mean, as this paper shows, that it cannot be understood with simple equi... | A Heterogeneous PIM Hardware-Software Co-Design for Energy-Efficient Graph Processing Processing-In-Memory (PIM) is an emerging technology that addresses the memory bottleneck of graph processing. In general, analog memristor-based PIM promises high parallelism provided that the underlying matrix-structured crossbar ca... | 1.053875 | 0.03 | 0.0205 | 0.005812 | 0.003875 | 0.0015 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Implementation of a Cross-Layer Sensing Medium-Access Control Scheme. In this paper, compressed sensing (CS) theory is utilized in a medium-access control (MAC) scheme for wireless sensor networks (WSNs). We propose a new, cross-layer compressed sensing medium-access control (CL CS-MAC) scheme, combining the physical l... | Efficiently computing static single assignment form and the control dependence graph In optimizing compilers, data structure choices directly influence the power and efficiency of practical program optimization. A poor choice of data structure can inhibit optimization or slow compilation to the point that advanced opti... | The weakest failure detector for solving consensus We determine what information about failures is necessary and sufficient to solve Consensus in asynchronous distributed systems subject to crash failures. In Chandra and Toueg (1996), it is shown that {0, a failure detector that provides surprisingly little information... | Chord: A scalable peer-to-peer lookup service for internet applications A fundamental problem that confronts peer-to-peer applications is to efficiently locate the node that stores a particular data item. This paper presents Chord, a distributed lookup protocol that addresses this problem. Chord provides support for ju... | Database relations with null values A new formal approach is proposed for modeling incomplete database information by means of null values. The basis of our approach is an interpretation of nulls which obviates the need for more than one type of null. The conceptual soundness of this approach is demonstrated by general... | The Anatomy of the Grid: Enabling Scalable Virtual Organizations "Grid" computing has emerged as an important new field, distinguished from conventional distributed computing by its focus on large-scale resource sharing, innovative applications, and, in some cases, high performance orientation. In this article, the aut... | McPAT: An integrated power, area, and timing modeling framework for multicore and manycore architectures This paper introduces McPAT, an integrated power, area, and timing modeling framework that supports comprehensive design space exploration for multicore and manycore processor configurations ranging from 90 nm to 22... | Distributed Optimization and Statistical Learning via the Alternating Direction Method of Multipliers Many problems of recent interest in statistics and machine learning can be posed in the framework of convex optimization. Due to the explosion in size and complexity of modern datasets, it is increasingly important to ... | Skip graphs Skip graphs are a novel distributed data structure, based on skip lists, that provide the full functionality of a balanced tree in a distributed system where resources are stored in separate nodes that may fail at any time. They are designed for use in searching peer-to-peer systems, and by providing the ab... | The complexity of data aggregation in directed networks We study problems of data aggregation, such as approximate counting and computing the minimum input value, in synchronous directed networks with bounded message bandwidth B = Ω(log n). In undirected networks of diameter D, many such problems can easily be solved i... | A Local Passive Time Interpolation Concept for Variation-Tolerant High-Resolution Time-to-Digital Conversion Time-to-digital converters (TDCs) are promising building blocks for the digitalization of mixed-signal functionality in ultra-deep-submicron CMOS technologies. A short survey on state-of-the-art TDCs is given. A... | Area- and Power-Efficient Monolithic Buck Converters With Pseudo-Type III Compensation Monolithic PWM voltage-mode buck converters with a novel Pseudo-Type III (PT3) compensation are presented. The proposed compensation maintains the fast load transient response of the conventional Type III compensator; while the Type ... | Fundamental analysis of a car to car visible light communication system This paper presents a mathematical model for car-to-car (C2C) visible light communications (VLC) that aims to predict the system performance under different communication geometries. A market-weighted headlamp beam pattern model is employed. We con... | A Heterogeneous PIM Hardware-Software Co-Design for Energy-Efficient Graph Processing Processing-In-Memory (PIM) is an emerging technology that addresses the memory bottleneck of graph processing. In general, analog memristor-based PIM promises high parallelism provided that the underlying matrix-structured crossbar ca... | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Time-varying graphs and dynamic networks The past decade has seen intensive research efforts on highly dynamic wireless and mobile networks (variously called delay-tolerant, disruptivetolerant, challenged, opportunistic, etc) whose essential feature is a possible absence of end-to-end communication routes at any instan... | On Temporal Graph Exploration. A temporal graph is a graph in which the edge set can change from step to step. The temporal graph exploration problem TEXP is the problem of computing a foremost exploration schedule for a temporal graph, i.e., a temporal walk that starts at a given start node, visits all nodes of the gr... | Exploration of the T-Interval-Connected Dynamic Graphs: The Case of the Ring In this paper, we study the T-interval-connected dynamic graphs from the point of view of the time necessary and sufficient for their exploration by a mobile entity (agent). A dynamic graph (more precisely, an evolving graph) is T-interval-con... | Causality, influence, and computation in possibly disconnected synchronous dynamic networks In this work, we study the propagation of influence and computation in dynamic distributed computing systems that are possibly disconnected at every instant. We focus on a synchronous message-passing communication model with bro... | Brief announcement: naming and counting in anonymous unknown dynamic networks Contribution. We study the fundamental naming and counting problems in networks that are anonymous, unknown, and possibly dynamic. Network dynamicity is modeled by the 1-interval connectivity model [KLO10]. We first prove that on static netwo... | An Identity-Free and On-Demand Routing Scheme against Anonymity Threats in Mobile Ad Hoc Networks Introducing node mobility into the network also introduces new anonymity threats. This important change of the concept of anonymity has recently attracted attentions in mobile wireless security research. This paper present... | Conscious and Unconscious Counting on Anonymous Dynamic Networks. This paper addresses the problem of counting the size of a network where i processes have the same identifiers anonymous nodes and ii the network topology constantly changes dynamic network. Changes are driven by a powerful adversary that can look at int... | Gossip-based aggregation in large dynamic networks As computer networks increase in size, become more heterogeneous and span greater geographic distances, applications must be designed to cope with the very large scale, poor reliability, and often, with the extreme dynamism of the underlying network. Aggregation is a k... | Directed diffusion: a scalable and robust communication paradigm for sensor networks Advances in processor, memory and radio technology will enable small and cheap nodes capable of sensing, communication and computation. Networks of such nodes can coordinate to perform distributed sensing of environmental phenomena. In... | The PARSEC benchmark suite: characterization and architectural implications This paper presents and characterizes the Princeton Application Repository for Shared-Memory Computers (PARSEC), a benchmark suite for studies of Chip-Multiprocessors (CMPs). Previous available benchmarks for multiprocessors have focused on hig... | A new concept for wireless reconfigurable receivers In this article we present the Self-Adaptive Universal Receiver (SAUR), a novel wireless reconfigurable receiver architecture. This scheme is based on blind recognition of the system in use, operating on a new radio interface comprising two functional phases. The firs... | A proposal of architectural elements for implementing secure software download service in software defined radio In order to obtain an appropriate, high level of security, a number of architectural elements for secure downloading of software to a software defined radio (SDR) terminal have been pointed out. They include... | A 12.8 GS/s Time-Interleaved ADC With 25 GHz Effective Resolution Bandwidth and 4.6 ENOB This paper presents a 12.8 GS/s 32-way hierarchically time-interleaved SAR ADC with 4.6 ENOB in 65 nm CMOS. The prototype utilizes hierarchical sampling and cascode sampler circuits to enable greater than 25 GHz 3 dB effective reso... | A Heterogeneous PIM Hardware-Software Co-Design for Energy-Efficient Graph Processing Processing-In-Memory (PIM) is an emerging technology that addresses the memory bottleneck of graph processing. In general, analog memristor-based PIM promises high parallelism provided that the underlying matrix-structured crossbar ca... | 1.016109 | 0.022584 | 0.021735 | 0.018976 | 0.012388 | 0.008784 | 0.006752 | 0.002668 | 0.000103 | 0 | 0 | 0 | 0 | 0 |
A 1.1 G MAC/s Sub-Word-Parallel Digital Signal Processor for Wireless Communication Applications This work proposes a communication digital signal processor (DSP) suitable for massive signal processing operations in orthogonal frequency division multiplexing (OFDM) and code-division multiple-access (CDMA) communication... | Efficiently computing static single assignment form and the control dependence graph In optimizing compilers, data structure choices directly influence the power and efficiency of practical program optimization. A poor choice of data structure can inhibit optimization or slow compilation to the point that advanced opti... | The weakest failure detector for solving consensus We determine what information about failures is necessary and sufficient to solve Consensus in asynchronous distributed systems subject to crash failures. In Chandra and Toueg (1996), it is shown that {0, a failure detector that provides surprisingly little information... | Chord: A scalable peer-to-peer lookup service for internet applications A fundamental problem that confronts peer-to-peer applications is to efficiently locate the node that stores a particular data item. This paper presents Chord, a distributed lookup protocol that addresses this problem. Chord provides support for ju... | Database relations with null values A new formal approach is proposed for modeling incomplete database information by means of null values. The basis of our approach is an interpretation of nulls which obviates the need for more than one type of null. The conceptual soundness of this approach is demonstrated by general... | The Anatomy of the Grid: Enabling Scalable Virtual Organizations "Grid" computing has emerged as an important new field, distinguished from conventional distributed computing by its focus on large-scale resource sharing, innovative applications, and, in some cases, high performance orientation. In this article, the aut... | McPAT: An integrated power, area, and timing modeling framework for multicore and manycore architectures This paper introduces McPAT, an integrated power, area, and timing modeling framework that supports comprehensive design space exploration for multicore and manycore processor configurations ranging from 90 nm to 22... | Distributed Optimization and Statistical Learning via the Alternating Direction Method of Multipliers Many problems of recent interest in statistics and machine learning can be posed in the framework of convex optimization. Due to the explosion in size and complexity of modern datasets, it is increasingly important to ... | Skip graphs Skip graphs are a novel distributed data structure, based on skip lists, that provide the full functionality of a balanced tree in a distributed system where resources are stored in separate nodes that may fail at any time. They are designed for use in searching peer-to-peer systems, and by providing the ab... | The complexity of data aggregation in directed networks We study problems of data aggregation, such as approximate counting and computing the minimum input value, in synchronous directed networks with bounded message bandwidth B = Ω(log n). In undirected networks of diameter D, many such problems can easily be solved i... | A Local Passive Time Interpolation Concept for Variation-Tolerant High-Resolution Time-to-Digital Conversion Time-to-digital converters (TDCs) are promising building blocks for the digitalization of mixed-signal functionality in ultra-deep-submicron CMOS technologies. A short survey on state-of-the-art TDCs is given. A... | A 0.5 V 1.1 MS/sec 6.3 fJ/Conversion-Step SAR-ADC With Tri-Level Comparator in 40 nm CMOS This paper presents an extremely low-voltage operation and power efficient successive-approximation-register (SAR) analog-to-digital converter (ADC). Tri-level comparator is proposed to relax the speed requirement of the comparato... | Conductance modulation techniques in switched-capacitor DC-DC converter for maximum-efficiency tracking and ripple mitigation in 22nm Tri-gate CMOS Active conduction modulation techniques are demonstrated in a fully integrated multi-ratio switched-capacitor voltage regulator with hysteretic control, implemented in 22nm... | A Heterogeneous PIM Hardware-Software Co-Design for Energy-Efficient Graph Processing Processing-In-Memory (PIM) is an emerging technology that addresses the memory bottleneck of graph processing. In general, analog memristor-based PIM promises high parallelism provided that the underlying matrix-structured crossbar ca... | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Shouji: A Fast and Efficient Pre-Alignment Filter for Sequence Alignment. Motivation: The ability to generate massive amounts of sequencing data continues to overwhelm the processing capability of existing algorithms and compute infrastructures. In this work, we explore the use of hardware/software co-design and hardwa... | SWIFOLD: Smith-Waterman implementation on FPGA with OpenCL for long DNA sequences. The results suggest that SWIFOLD can be a serious contender for accelerating the SW alignment of DNA sequences of unrestricted size in an affordable way reaching on average 125 GCUPS and almost a peak of 270 GCUPS. | GSWABE: faster GPU-accelerated sequence alignment with optimal alignment retrieval for short DNA sequences In this paper, we present GSWABE, a graphics processing unit GPU-accelerated pairwise sequence alignment algorithm for a collection of short DNA sequences. This algorithm supports all-to-all pairwise global, semi-... | Emerging Trends in Design and Applications of Memory-Based Computing and Content-Addressable Memories Content-addressable memory (CAM) and associative memory (AM) are types of storage structures that allow searching by content as opposed to searching by address. Such memory structures are used in diverse applications r... | FindeR: Accelerating FM-Index-Based Exact Pattern Matching in Genomic Sequences through ReRAM Technology Genomics is the critical key to enabling precision medicine, ensuring global food security and enforcing wildlife conservation. The massive genomic data produced by various genome sequencing technologies presents a ... | SeGraM: a universal hardware accelerator for genomic sequence-to-graph and sequence-to-sequence mapping A critical step of genome sequence analysis is the mapping of sequenced DNA fragments (i.e., reads) collected from an individual to a known linear reference genome sequence (i.e., sequence-to-sequence mapping). ... | An FPGA Implementation of A Portable DNA Sequencing Device Based on RISC-V Miniature and mobile DNA sequencers are steadily growing in popularity as effective tools for genetics research. As basecalling algorithms continue to evolve, basecalling poses a serious challenge for small computing devices despite its increasi... | Accelerating read mapping with FastHASH. With the introduction of next-generation sequencing (NGS) technologies, we are facing an exponential increase in the amount of genomic sequence data. The success of all medical and genetic applications of next-generation sequencing critically depends on the existence of computat... | A Linear Representation of Dynamics of Boolean Networks A new matrix product, called semi-tensor product of matrices, is reviewed. Using it, a matrix expression of logic is proposed, where a logical variable is expressed as a vector, a logical function is expressed as a multiple linear mapping. Under this framework, a ... | The Transitive Reduction of a Directed Graph | A new concept for wireless reconfigurable receivers In this article we present the Self-Adaptive Universal Receiver (SAUR), a novel wireless reconfigurable receiver architecture. This scheme is based on blind recognition of the system in use, operating on a new radio interface comprising two functional phases. The firs... | Fpga Implementation Of High-Frequency Software Radio Receiver State-of-the-art analog-to-digital converters allow the design of high-frequency software radio receivers that use baseband signal processing. However, such receivers are rarely considered in literature. In this paper, we describe the design of a high-perfor... | A Hybrid Dynamic Load Balancing Algorithm For Distributed Systems Using Genetic Algorithms Dynamic Load Balancing (DLB) is sine qua non in modern distributed systems to ensure the efficient utilization of computing resources therein. This paper proposes a novel framework for hybrid dynamic load balancing. Its framework... | OMNI: A Framework for Integrating Hardware and Software Optimizations for Sparse CNNs Convolution neural networks (CNNs) as one of today’s main flavor of deep learning techniques dominate in various image recognition tasks. As the model size of modern CNNs continues to grow, neural network compression techniques have b... | 1.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.05 | 0 | 0 | 0 | 0 | 0 | 0 |
ViA: A Novel Vision-Transformer Accelerator Based on FPGA Since Google proposed Transformer in 2017, it has made significant natural language processing (NLP) development. However, the increasing cost is a large amount of calculation and parameters. Previous researchers designed and proposed some accelerator structures... | Efficiently computing static single assignment form and the control dependence graph In optimizing compilers, data structure choices directly influence the power and efficiency of practical program optimization. A poor choice of data structure can inhibit optimization or slow compilation to the point that advanced opti... | The weakest failure detector for solving consensus We determine what information about failures is necessary and sufficient to solve Consensus in asynchronous distributed systems subject to crash failures. In Chandra and Toueg (1996), it is shown that {0, a failure detector that provides surprisingly little information... | Chord: A scalable peer-to-peer lookup service for internet applications A fundamental problem that confronts peer-to-peer applications is to efficiently locate the node that stores a particular data item. This paper presents Chord, a distributed lookup protocol that addresses this problem. Chord provides support for ju... | Database relations with null values A new formal approach is proposed for modeling incomplete database information by means of null values. The basis of our approach is an interpretation of nulls which obviates the need for more than one type of null. The conceptual soundness of this approach is demonstrated by general... | The Anatomy of the Grid: Enabling Scalable Virtual Organizations "Grid" computing has emerged as an important new field, distinguished from conventional distributed computing by its focus on large-scale resource sharing, innovative applications, and, in some cases, high performance orientation. In this article, the aut... | McPAT: An integrated power, area, and timing modeling framework for multicore and manycore architectures This paper introduces McPAT, an integrated power, area, and timing modeling framework that supports comprehensive design space exploration for multicore and manycore processor configurations ranging from 90 nm to 22... | Distributed Optimization and Statistical Learning via the Alternating Direction Method of Multipliers Many problems of recent interest in statistics and machine learning can be posed in the framework of convex optimization. Due to the explosion in size and complexity of modern datasets, it is increasingly important to ... | Skip graphs Skip graphs are a novel distributed data structure, based on skip lists, that provide the full functionality of a balanced tree in a distributed system where resources are stored in separate nodes that may fail at any time. They are designed for use in searching peer-to-peer systems, and by providing the ab... | The complexity of data aggregation in directed networks We study problems of data aggregation, such as approximate counting and computing the minimum input value, in synchronous directed networks with bounded message bandwidth B = Ω(log n). In undirected networks of diameter D, many such problems can easily be solved i... | A Local Passive Time Interpolation Concept for Variation-Tolerant High-Resolution Time-to-Digital Conversion Time-to-digital converters (TDCs) are promising building blocks for the digitalization of mixed-signal functionality in ultra-deep-submicron CMOS technologies. A short survey on state-of-the-art TDCs is given. A... | Area- and Power-Efficient Monolithic Buck Converters With Pseudo-Type III Compensation Monolithic PWM voltage-mode buck converters with a novel Pseudo-Type III (PT3) compensation are presented. The proposed compensation maintains the fast load transient response of the conventional Type III compensator; while the Type ... | Fundamental analysis of a car to car visible light communication system This paper presents a mathematical model for car-to-car (C2C) visible light communications (VLC) that aims to predict the system performance under different communication geometries. A market-weighted headlamp beam pattern model is employed. We con... | A 32-Channel Time-Multiplexed Artifact-Aware Neural Recording System This paper presents a low-power, low-noise microsystem for the recording of neural local field potentials or intracranial electroencephalographic signals. It features 32 time-multiplexed channels at the electrode interface and offers the possibility t... | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Performance Improvement by Prioritizing the Issue of the Instructions in Unconfident Branch Slices. Single-thread performance has hardly improved for more than a decade. One of the largest problems for performance improvements is branch misprediction. There are two approaches to reduce the penalty caused by this. One i... | Threaded code The concept of “threaded code” is presented as an alternative to machine language code. Hardware and software realizations of it are given. In software it is realized as interpretive code not needing an interpreter. Extensions and optimizations are mentioned. | SimpleScalar: An Infrastructure for Computer System Modeling Designers can execute programs on software models to validate a proposed hardware design's performance and correctness, while programmerscan use these models to develop and test software before the real hardwarebecomes available. Three critical requirements d... | An approach to testing specifications An approach to testing the consistency of specifications is explored, which is applicable to the design validation of communication protocols and other cases of step-wise refinement. In this approach, a testing module compares a trace of interactions obtained from an execution of t... | Scientific benchmarking of parallel computing systems: twelve ways to tell the masses when reporting performance results Measuring and reporting performance of parallel computers constitutes the basis for scientific advancement of high-performance computing (HPC). Most scientific reports show performance improvements o... | Golden Gate: Bridging The Resource-Efficiency Gap Between ASICs and FPGA Prototypes We present Golden Gate, an FPGA-based simulation tool that decouples the timing of an FPGA host platform from that of the target RTL design. In contrast to previous work in static time-multiplexing of FPGA resources, Golden Gate employs... | Hardware Design with a Scripting Language The Python Hardware Description Language (PyHDL) provides a scripting interface to object-oriented hardware design in C++. PyHDL uses the PamDC and PAM-Blox libraries to generate FPGA circuits. The main advantage of scripting languages is a reduction in development time for hig... | Randomized algorithms This text by two well-known experts in the field presents the basic concepts in the design and analysis of randomized algorithms at a level accessible to beginning graduate students, professionals and researchers. | Building efficient wireless sensor networks with low-level naming In most distributed systems, naming of nodes for low-level communication leverages topological location (such as node addresses) and is independent of any application. In this paper, we investigate an emerging class of distributed systems where low-level... | On the evolution of user interaction in Facebook Online social networks have become extremely popular; numerous sites allow users to interact and share content using social links. Users of these networks often establish hundreds to even thousands of social links with other users. Recently, researchers have suggested ex... | An artificial neural network (p,d,q) model for timeseries forecasting Artificial neural networks (ANNs) are flexible computing frameworks and universal approximators that can be applied to a wide range of time series forecasting problems with a high degree of accuracy. However, despite all advantages cited for artifici... | Efficiency of a Regenerative Direct-Drive Electromagnetic Active Suspension. The efficiency and power consumption of a direct-drive electromagnetic active suspension system for automotive applications are investigated. A McPherson suspension system is considered, where the strut consists of a direct-drive brushless tub... | The real-time segmentation of indoor scene based on RGB-D sensor The vision system of the mobile robot is a low-level function that provides the required target information of the current environment for the upper vision tasks. The real-time performance and robustness of object segmentation in cluttered environments is... | A 0.5 V 10-bit 3 MS/s SAR ADC With Adaptive-Reset Switching Scheme and Near-Threshold Voltage-Optimized Design Technique This brief presents a 10-bit ultra-low power energy-efficient successive approximation register (SAR) analog-to-digital converter (ADC). A new adaptive-reset switching scheme is proposed to reduce th... | 1.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Dedup Est Machina: Memory Deduplication as an Advanced Exploitation Vector Memory deduplication, a well-known technique to reduce the memory footprint across virtual machines, is now also a default-on feature inside the Windows 8.1 and Windows 10 operating systems. Deduplication maps multiple identical copies of a phys... | Secure Page Fusion with VUsion: https: //www.vusec.net/projects/VUsion. To reduce memory pressure, modern operating systems and hypervisors such as Linux/KVM deploy page-level memory fusion to merge physical memory pages with the same content (i.e., page fusion). A write to a fused memory page triggers a copy-on-write ... | Grand Pwning Unit: Accelerating Microarchitectural Attacks with the GPU Dark silicon is pushing processor vendors to add more specialized units such as accelerators to commodity processor chips. Unfortunately this is done without enough care to security. In this paper we look at the security implications of integrated ... | Architectural Support for Dynamic Linking All software in use today relies on libraries, including standard libraries (e.g., C, C++) and application-specific libraries (e.g., libxml, libpng). Most libraries are loaded in memory and dynamically linked when programs are launched, resolving symbol addresses across the app... | Fooling the Sense of Cross-Core Last-Level Cache Eviction Based Attacker by Prefetching Common Sense Cross-core last-level cache (LLC) eviction based side-channel attacks are becoming practical because of the inclusive nature of shared resources (e.g., an inclusive LLC), that creates back-invalidation-hits at the priva... | WiDir: A Wireless-Enabled Directory Cache Coherence Protocol As the core count in shared-memory manycores keeps increasing, it is becoming increasingly harder to design cache-coherence protocols that deliver high performance without an inordinate increase in complexity and cost. In particular, sharing patterns where a ... | Systematic Analysis of Randomization-based Protected Cache Architectures Recent secure cache designs aim to mitigate side-channel attacks by randomizing the mapping from memory addresses to cache sets. As vendors investigate deployment of these caches, it is crucial to understand their actual security.In this paper, we... | No Need to Hide: Protecting Safe Regions on Commodity Hardware. As modern 64-bit x86 processors no longer support the segmentation capabilities of their 32-bit predecessors, most research projects assume that strong in-process memory isolation is no longer an affordable option. Instead of strong, deterministic isolatio... | On the capacity of thermal covert channels in multicores. Modern multicore processors feature easily accessible temperature sensors that provide useful information for dynamic thermal management. These sensors were recently shown to be a potential security threat, since otherwise isolated applications can exploit them ... | NNPIM: A Processing In-Memory Architecture for Neural Network Acceleration Neural networks (NNs) have shown great ability to process emerging applications such as speech recognition, language recognition, image classification, video segmentation, and gaming. It is therefore important to make NNs efficient. Although att... | An asynchronous leader election algorithm for dynamic networks An algorithm for electing a leader in an asynchronous network with dynamically changing communication topology is presented. The algorithm ensures that, no matter what pattern of topology changes occur, if topology changes cease, then eventually every conne... | Stability analysis and performance design for fuzzy-model-based control system under imperfect premise matching This paper investigates the stability analysis and performance design of nonlinear systems. To facilitate the stability analysis, the Takagi-Sugeno (T-S) fuzzy model is employed to represent the nonlinear pla... | Memristor Crossbar-Based Neuromorphic Computing System: A Case Study. By mimicking the highly parallel biological systems, neuromorphic hardware provides the capability of information processing within a compact and energy-efficient platform. However, traditional Von Neumann architecture and the limited signal connecti... | A Data-Compressive Wired-OR Readout for Massively Parallel Neural Recording. Neural interfaces of the future will be used to help restore lost sensory, motor, and other capabilities. However, realizing this futuristic promise requires a major leap forward in how electronic devices interface with the nervous system. Nex... | 1.01992 | 0.019653 | 0.017209 | 0.016667 | 0.016667 | 0.016667 | 0.005556 | 0.002685 | 0.000595 | 0.000007 | 0 | 0 | 0 | 0 |
Joint mismatch and channel compensation for high-speed OFDM receivers with time-interleaved ADCs Analog-to-digital converters (ADCs) with high sampling rates and output resolution are required for the design of mostly digital transceivers in emerging multi-Gigabit communication systems. A promising approach is to use a... | Achieving Full Frequency and Space Diversity in Wireless Systems via BICM, OFDM, STBC, and Viterbi Decoding Orthogonal frequency-division multiplexing (OFDM) is known as an efficient technique to combat frequency-selective channels. In this paper, we show that the combination of bit-interleaved coded modulation (BICM) ... | Effect of Offset Mismatch in Time-Interleaved ADC Circuits on OFDM-BER Performance. This paper analyzes the effect of the offset mismatch in time-interleaved analog-to-digital converter (TI-ADC) circuits on bit error rate (BER) performance of a receiver for pulse amplitude-modulated or quadrature amplitude-modulated si... | A Digital Timing Mismatch Calibration Technique in Time-Interleaved ADCs. A digital calibration scheme is proposed to minimize the timing mismatch in time-interleaved analog-to-digital converters (TIADCs). First, the scheme is to subtract the outputs from adjacent channel ADCs and to utilize the expectations of the abs... | All-Digital Calibration of Timing Mismatch Error in Time-Interleaved Analog-to-Digital Converters. This paper presents an all-digital background calibration for timing mismatch in time-interleaved analog-to-digital converters (TI-ADCs). It combines digital adaptive timing mismatch estimation and digital derivative-base... | A new adaptive blind background calibration of gain and timing mismatch for a two-channel time-interleaved ADC. This study investigates a new adaptive blind calibration structure for the calibration of gain and timing mismatch error, which is applied for a two-channel Time-Interleaved Analog-to-Digital Converter (TI-AD... | Efficiently computing static single assignment form and the control dependence graph In optimizing compilers, data structure choices directly influence the power and efficiency of practical program optimization. A poor choice of data structure can inhibit optimization or slow compilation to the point that advanced opti... | GPUWattch: enabling energy optimizations in GPGPUs General-purpose GPUs (GPGPUs) are becoming prevalent in mainstream computing, and performance per watt has emerged as a more crucial evaluation metric than peak performance. As such, GPU architects require robust tools that will enable them to quickly explore new ways ... | Disk Paxos We present an algorithm, called Disk Paxos, for implementing a reliable distributed system with a network of processors and disks. Like the original Paxos algorithm, Disk Paxos maintains consistency in the presence of arbitrary non-Byzantine faults. Progress can be guaranteed as long as a majority of the dis... | Winnowing: local algorithms for document fingerprinting Digital content is for copying: quotation, revision, plagiarism, and file sharing all create copies. Document fingerprinting is concerned with accurately identifying copying, including small partial copies, within large sets of documents.We introduce the class of ... | Bundled execution of recurring traces for energy-efficient general purpose processing Technology scaling has delivered on its promises of increasing device density on a single chip. However, the voltage scaling trend has failed to keep up, introducing tight power constraints on manufactured parts. In such a scenario, t... | A Dht-Based Discovery Service For The Internet Of Things Current trends towards the Future Internet are envisaging the conception of novel services endowed with context-aware and autonomic capabilities to improve end users' quality of life. The Internet of Things paradigm is expected to contribute towards this ambitiou... | 3.4 A 36Gb/s PAM4 transmitter using an 8b 18GS/S DAC in 28nm CMOS At data rates beyond 10Gb/s, most wireline links employ NRZ signaling. Serial NRZ links as high as 56Gb/s and 60Gb/s have been reported [1]. Nevertheless, as the rate increases, the constraints imposed by the channel, package, and die become more severe ... | A 32-Channel Time-Multiplexed Artifact-Aware Neural Recording System This paper presents a low-power, low-noise microsystem for the recording of neural local field potentials or intracranial electroencephalographic signals. It features 32 time-multiplexed channels at the electrode interface and offers the possibility t... | 1.075556 | 0.066667 | 0.066667 | 0.038889 | 0.022222 | 0.006667 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Advanced Control Architectures for Intelligent Microgrids—Part I: Decentralized and Hierarchical Control This paper presents a review of advanced control techniques for microgrids. This paper covers decentralized, distributed, and hierarchical control of grid-connected and islanded microgrids. At first, decentralized c... | Machine-to-machine communications for home energy management system in smart grid. Machine-to-machine (M2M) communications have emerged as a cutting edge technology for next-generation communications, and are undergoing rapid development and inspiring numerous applications. This article presents an investigation of the... | Reduced-Order Model and Stability Analysis of Low-Voltage DC Microgrid. Depleting fossil fuels, increasing energy demand, and need for high-reliability power supply motivate the use of dc microgrids. This paper analyzes the stability of low-voltage dc microgrid systems. Sources are controlled using a droop-based decent... | High-Fidelity Model Order Reduction for Microgrids Stability Assessment. Proper modeling of inverter-based microgrids is crucial for accurate assessment of stability boundaries. It has been recently realized that the stability conditions for such microgrids are significantly different from those known for large-scale p... | Efficiently computing static single assignment form and the control dependence graph In optimizing compilers, data structure choices directly influence the power and efficiency of practical program optimization. A poor choice of data structure can inhibit optimization or slow compilation to the point that advanced opti... | How to share a secret In this paper we show how to divide data D into n pieces in such a way that D is easily reconstructable from any k pieces, but even complete knowledge of k - 1 pieces reveals absolutely no information about D. This technique enables the construction of robust key management schemes for cryptograph... | A new approach to state observation of nonlinear systems with delayed output The article presents a new approach for the construction of a state observer for nonlinear systems when the output measurements are available for computations after a nonnegligible time delay. The proposed observer consists of a chain of obser... | Theory and Applications of Robust Optimization In this paper we survey the primary research, both theoretical and applied, in the area of robust optimization (RO). Our focus is on the computational attractiveness of RO approaches, as well as the modeling power and broad applicability of the methodology. In addition to ... | Cache attacks and countermeasures: the case of AES We describe several software side-channel attacks based on inter-process leakage through the state of the CPU’s memory cache. This leakage reveals memory access patterns, which can be used for cryptanalysis of cryptographic primitives that employ data-dependent table l... | A normal form for XML documents This paper takes a first step towards the design and normalization theory for XML documents. We show that, like relational databases, XML documents may contain redundant information, and may be prone to update anomalies. Furthermore, such problems are caused by certain functional depende... | Synchronization via Pinning Control on General Complex Networks. This paper studies synchronization via pinning control on general complex dynamical networks, such as strongly connected networks, networks with a directed spanning tree, weakly connected networks, and directed forests. A criterion for ensuring network sy... | Digital signal processors in cellular radio communications Contemporary wireless communications are based on digital communications technologies. The recent commercial success of mobile cellular communications has been enabled in part by successful designs of digital signal processors with appropriate on-chip memories ... | Optimum insertion/deletion point selection for fractional sample rate conversion In this paper, an optimum insertion/deletion point selection algorithm for fractional sample rate conversion (SRC) is proposed. The direct insertion/deletion technique achieves low complexity and low power consumption as compared to the ot... | A 12.6 mW, 573-2901 kS/s Reconfigurable Processor for Reconstruction of Compressively Sensed Physiological Signals. This article presents a reconfigurable processor based on the alternating direction method of multipliers (ADMM) algorithm for reconstructing compressively sensed physiological signals. The architecture i... | 1.075556 | 0.066667 | 0.066667 | 0.066667 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
12.4 A 10mW fully integrated 2-to-13V-input buck-boost SC converter with 81.5% peak efficiency In recent years, significant progress has been made on switched-capacitor DC-DC converters as they enable fully integrated on-chip power management. New converter topologies overcame the fixed input-to-output voltage limitati... | Triple-Mode, Hybrid-Storage, Energy Harvesting Power Management Unit: Achieving High Efficiency Against Harvesting and Load Power Variabilities. This paper presents a triple-mode, hybrid storage, energy-harvesting power management unit (EH PMU) that interfaces a photovoltaic cell, a regulated load, and a rechargeable b... | A Switched Capacitor Energy Harvester Based on a Single-Cycle Criterion for MPPT to Eliminate Storage Capacitor. A single-cycle criterion maximum power point tracking (MPPT) technique is proposed to eliminate the need for bulky on-chip capacitors in the energy harvesting system for Internet of Everything (IoE). The con... | A Soft-Charging-Based SC DC–DC Boost Converter With Conversion-Ratio-Insensitive High Efficiency for Energy Harvesting in Miniature Sensor Systems This paper introduces a fully integrated switched-capacitor (SC) DC-DC boost converter suitable for energy harvesting in miniature sensor systems with varying harvesting sou... | Leveraging on-chip voltage regulators as a countermeasure against side-channel attacks Side-channel attacks have become a significant threat to the integrated circuit security. Circuit level techniques are proposed in this paper as a countermeasure against side-channel attacks. A distributed on-chip power delivery syst... | An Arithmetic Progression Switched-Capacitor DC-DC Converter with Soft VCR Transitions Achieving 93.7% Peak Efficiency and 400 mA Output Current Dynamic source adaptation and supply modulation can benefit the power efficiency and system functionality of energy-harvesting interfaces, voltage-scalable SoCs, device driver... | A Recursive Switched-Capacitor DC-DC Converter Achieving $2^{N}-1$ Ratios With High Efficiency Over a Wide Output Voltage Range. A Recursive Switched-Capacitor (RSC) topology is introduced that enables reconfiguration among 2 N-1 conversion ratios while achieving minimal capacitive charge-sharing loss for a given silic... | Quick detection of difficult bugs for effective post-silicon validation We present a new technique for systematically creating postsilicon validation tests that quickly detect bugs in processor cores and uncore components (cache controllers, memory controllers, on-chip networks) of multi-core System on Chips (SoCs). Su... | Searching in an unknown environment: an optimal randomized algorithm for the cow-path problem Searching for a goal is a central and extensively studied problem in computer science. In classical searching problems, the cost of a search function is simply the number of queries made to an oracle that knows the position of... | Incremental Stochastic Subgradient Algorithms for Convex Optimization This paper studies the effect of stochastic errors on two constrained incremental subgradient algorithms. The incremental subgradient algorithms are viewed as decentralized network optimization algorithms as applied to minimize a sum of functions, wh... | A framework for security on NoC technologies Multiple heterogeneous processor cores, memory cores and application specific IP cores integrated in a communication network, also known as networks on chips (NoCs), will handle a large number of applications including security. Although NoCs offer more resistance to bus pro... | Modeling of software radio aspects by mapping of SDL and CORBA With the evolution of 3rd generation mobile communications standardization, the software radio concept has the potential to offer a pragmatic solution - a software implementation that allows the mobile terminal to adapt dynamically to its radio environment.... | NDC: Analyzing the impact of 3D-stacked memory+logic devices on MapReduce workloads While Processing-in-Memory has been investigated for decades, it has not been embraced commercially. A number of emerging technologies have renewed interest in this topic. In particular, the emergence of 3D stacking and the imminent rel... | A Bidirectional Neural Interface IC With Chopper Stabilized BioADC Array and Charge Balanced Stimulator. We present a bidirectional neural interface with a 4-channel biopotential analog-to-digital converter (bioADC) and a 4-channel current-mode stimulator in 180 nm CMOS. The bioADC directly transduces microvolt biopote... | 1.1 | 0.1 | 0.1 | 0.1 | 0.05 | 0.05 | 0.011111 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
All-Digital PLL for Bluetooth Low Energy Using 32.768-kHz Reference Clock and ≤0.45-V Supply. In this paper, we introduce an all-digital phase-locked loop (ADPLL) for Bluetooth low energy (BLE) that eliminates the need for a crystal oscillator (XO) other than a 32.768-kHz real-time clock (RTC) already present in wirele... | Signal Folding in A/D Converters Signal folding appears in A/D converters (ADCs) in various ways. In this paper, the evolution of this technique is derived from the fundamentals of quantization to obtain systematic insights. We look upon folding as an automatic multiplexing of zero crossings, which simplifies hardware ... | A 45 nm Resilient Microprocessor Core for Dynamic Variation Tolerance A 45 nm microprocessor core integrates resilient error-detection and recovery circuits to mitigate the clock frequency (FCLK) guardbands for dynamic parameter variations to improve throughput and energy efficiency. The core supports two distinct erro... | A Mostly Digital VCO-Based CT-SDM With Third-Order Noise Shaping. This paper presents the architectural concept and implementation of a mostly digital voltage-controlled oscillator-analog-to-digital converter (VCO-ADC) with third-order quantization noise shaping. The system is based on the combination of a VCO and a di... | A 0.5-V 1.6-mW 2.4-GHz Fractional-N All-Digital PLL for Bluetooth LE With PVT-Insensitive TDC Using Switched-Capacitor Doubler in 28-nm CMOS. This paper proposes an ultra-low-voltage (ULV) fractional-N all-digital PLL (ADPLL) powered from a single 0.5-V supply. While its digitally controlled oscillator (DCO) runs direc... | Analysis and Optimum Design of a Class E RF Power Amplifier A new analysis of a class E power amplifier is presented and a fully analytic design approach is developed. Using our analysis, all of the circuit currents and voltages and, hence, the power dissipation in each component is calculated as a function of a key de... | A 0.6-mW 16-FSK Receiver Achieving a Sensitivity of −103 dBm at 100 kb/s This article presents an RF receiver (RX) designed to exploit the inherent SNR advantage offered by non-coherent 16-FSK modulation relative to more conventional non-coherent modulation schemes, such as FSK and OOK. Specifically, this article demon... | The part-time parliament Recent archaeological discoveries on the island of Paxos reveal that the parliament functioned despite the peripatetic propensity of its part-time legislators. The legislators maintained consistent copies of the parliamentary record, despite their frequent forays from the chamber and the forget... | Multi-Strategy Coevolving Aging Particle Optimization We propose Multi-Strategy Coevolving Aging Particles (MS-CAP), a novel population-based algorithm for black-box optimization. In a memetic fashion, MS-CAP combines two components with complementary algorithm logics. In the first stage, each particle is perturbed ind... | The software radio concept Since early 1980 an exponential blowup of cellular mobile systems has been observed, which has produced, all over the world, the definition of a plethora of analog and digital standards. In 2000 the industrial competition between Asia, Europe, and America promises a very difficult path toward... | Dynamic sensor collaboration via sequential Monte Carlo We consider the application of sequential Monte Carlo (SMC) methods for Bayesian inference to the problem of information-driven dynamic sensor collaboration in clutter environments for sensor networks. The dynamics of the system under consideration are described b... | Clocking Analysis, Implementation and Measurement Techniques for High-Speed Data Links—A Tutorial The performance of high-speed wireline data links depend crucially on the quality and precision of their clocking infrastructure. For future applications, such as microprocessor systems that require terabytes/s of aggregat... | Computing the Dynamic Diameter of Non-Deterministic Dynamic Networks is Hard. A dynamic network is a communication network whose communication structure can evolve over time. The dynamic diameter is the counterpart of the classical static diameter, it is the maximum time needed for a node to causally influence any othe... | A 0.5 V 10-bit 3 MS/s SAR ADC With Adaptive-Reset Switching Scheme and Near-Threshold Voltage-Optimized Design Technique This brief presents a 10-bit ultra-low power energy-efficient successive approximation register (SAR) analog-to-digital converter (ADC). A new adaptive-reset switching scheme is proposed to reduce th... | 1.11 | 0.12 | 0.12 | 0.12 | 0.12 | 0.1 | 0.05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Multimicrogrid Load Balancing Through EV Charging Networks Energy demand and supply vary from area to area, where an unbalanced load may occur and endanger the system security constraints and cause significant differences in the locational marginal price (LMP) in the power system. With the increasing proportion of loca... | Spatial and Temporal Model of Electric Vehicle Charging Demand. This paper presents a spatial and temporal model of electric vehicle charging demand for a rapid charging station located near a highway exit. Most previous studies have assumed a fixed charging location and fixed charging time during the off-peak hours fo... | Hybrid Optimization for Economic Deployment of ESS in PV-Integrated EV Charging Stations. Electric vehicle (EV) charging stations will play an important role in the smart city. Uncoordinated and statistical EV charging loads would further stress the distribution system. Photovoltaic (PV) systems, which can reduce this ... | Dynamic Pricing for Electric Vehicle Extreme Fast Charging Significant developments and advancement pertaining to electric vehicle (EV) technologies, such as extreme fast charging (XFC), have been witnessed in the last decade. However, there are still many challenges to the wider deployment of EVs. One of the major bar... | Enabling Extreme Fast Charging Technology for Electric Vehicles As a significant part of the next-generation smart grid, electric vehicles (EVs) are essential for most countries to achieve energy independence, secure energy supply, and alleviate the pressure on environmental protection and energy security. Although EVs... | Electric Vehicles with a Battery Switching Station: Adoption and Environmental Impact The transportation sector's carbon footprint and dependence on oil are of deep concern to policy makers in many countries. Use of all-electric drive trains is arguably the most realistic medium-term solution to address these concerns.... | Database relations with null values A new formal approach is proposed for modeling incomplete database information by means of null values. The basis of our approach is an interpretation of nulls which obviates the need for more than one type of null. The conceptual soundness of this approach is demonstrated by general... | Scratchpad memory: design alternative for cache on-chip memory in embedded systems In this paper we address the problem of on-chip memory selection for computationally intensive applications, by proposing scratch pad memory as an alternative to cache. Area and energy for different scratch pad and cache sizes are comput... | Approximate counting, uniform generation and rapidly mixing Markov chains The paper studies effective approximate solutions to combinatorial counting and unform generation problems. Using a technique based on the simulation of ergodic Markov chains, it is shown that, for self-reducible structures, almost uniform genera... | A theory of nonsubtractive dither A detailed mathematical investigation of multibit quantizing systems using nonsubtractive dither is presented. It is shown that by the use of dither having a suitably chosen probability density function, moments of the total error can be made independent of the system input signal but ... | DySER: Unifying Functionality and Parallelism Specialization for Energy-Efficient Computing The DySER (Dynamically Specializing Execution Resources) architecture supports both functionality specialization and parallelism specialization. By dynamically specializing frequently executing regions and applying parallelism m... | An Identity Authentication Mechanism Based on Timing Covert Channel In the identity authentication, many advanced encryption techniques are applied to confirm and protect the user identity. Although the identity information is transmitted as cipher text in the Internet, the attackers can theft and fraud the identity by... | Robust compensation of a chattering time-varying input delay We investigate the design of a prediction-based controller for a linear system subject to a time-varying input delay, not necessarily causal. This means that the information feeding the system can be older than ones previously received. We propose to use the ... | A Bidirectional Neural Interface IC With Chopper Stabilized BioADC Array and Charge Balanced Stimulator. We present a bidirectional neural interface with a 4-channel biopotential analog-to-digital converter (bioADC) and a 4-channel current-mode stimulator in 180 nm CMOS. The bioADC directly transduces microvolt biopote... | 1.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
A 4-bit Mixed-Signal MAC Array with Swing Enhancement and Local Kernel Memory Modern deep neural networks require energy- and area-efficient multi-bit multiply-accumulate (MAC) functions. In-memory computing (IMC) with analog accumulation has shown the potential to outperform purely digital solutions but lacks efficien... | A Low-Power Speech Recognizer and Voice Activity Detector Using Deep Neural Networks. This paper describes digital circuit architectures for automatic speech recognition (ASR) and voice activity detection (VAD) with improved accuracy, programmability, and scalability. Our ASR architecture is designed to minimize off-ch... | Design of an Always-On Deep Neural Network-Based 1-<inline-formula> <tex-math notation="LaTeX">$\mu$ </tex-math></inline-formula>W Voice Activity Detector Aided With a Customized Software Model for Analog Feature Extraction This paper presents an ultra-low-power voice activity detector (VAD). It uses analog signal proc... | A 7.3 M Output Non-Zeros/J, 11.7 M Output Non-Zeros/GB Reconfigurable Sparse Matrix-Matrix Multiplication Accelerator. A sparse matrix-matrix multiplication (SpMM) accelerator with 48 heterogeneous cores and a reconfigurable memory hierarchy is fabricated in 40-nm CMOS. The compute fabric consists of dedicated floating... | BinarEye: An always-on energy-accuracy-scalable binary CNN processor with all memory on chip in 28nm CMOS This paper introduces BinarEye: the first digital processor for always-on Binary Convolutional Neural Networks. The chip maximizes data reuse through a Neuron Array exploiting local weight Flip-Flops. It stores ful... | Chord: A scalable peer-to-peer lookup service for internet applications A fundamental problem that confronts peer-to-peer applications is to efficiently locate the node that stores a particular data item. This paper presents Chord, a distributed lookup protocol that addresses this problem. Chord provides support for ju... | Directed diffusion: a scalable and robust communication paradigm for sensor networks Advances in processor, memory and radio technology will enable small and cheap nodes capable of sensing, communication and computation. Networks of such nodes can coordinate to perform distributed sensing of environmental phenomena. In... | ImageNet Large Scale Visual Recognition Challenge. The ImageNet Large Scale Visual Recognition Challenge is a benchmark in object category classification and detection on hundreds of object categories and millions of images. The challenge has been run annually from 2010 to present, attracting participation from more th... | DieHard: probabilistic memory safety for unsafe languages Applications written in unsafe languages like C and C++ are vulnerable to memory errors such as buffer overflows, dangling pointers, and reads of uninitialized data. Such errors can lead to program crashes, security vulnerabilities, and unpredictable behavior. W... | A Clustering Scheme For Hierarchical Control In Mufti-Hop Wireless Networks In this paper we present a clustering scheme to create a hierarchical control structure for mufti-hop wireless networks. A cluster is defined as a subset of vertices, whose induced graph is connected. In addition, a cluster is required to obey ... | A survey of state and disturbance observers for practitioners This paper gives a unified and historical review of observer design for the benefit of practitioners. It is unified in the sense that all observers are examined in terms of: 1) the assumed dynamic structure of the plant; 2) the required information, includin... | A MIMO decoder accelerator for next generation wireless communications In this paper, we present a multi-input-multi-output (MIMO) decoder accelerator architecture that offers versatility and reprogrammability while maintaining a very high performance-cost metric. The accelerator is meant to address the MIMO decoding b... | 27.9 A 200kS/s 13.5b integrated-fluxgate differential-magnetic-to-digital converter with an oversampling compensation loop for contactless current sensing High voltage applications such as electric motor controllers, solar panel power inverters, electric vehicle battery chargers, uninterrupted and switching mode power ... | A VCO-Based Nonuniform Sampling ADC Using a Slope-Dependent Pulse Generator This paper presents a voltage-controlled oscillator (VCO)-based nonuniform sampling analog-to-digital converter (ADC) as an alternative to the level-crossing (LC)-based converters for digitizing biopotential signals. This work aims to provide a... | 1.2 | 0.2 | 0.2 | 0.2 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Concurrent Multi-Band Low-Noise Amplifier. With rapid expansions of wireless communications, requirements for transceivers that support concurrent multiple services are continuously increasing and demanding design of a concurrent low-noise amplifier (LNA) with low noise figure (NF), high gain, and high linearity over a... | Efficiently computing static single assignment form and the control dependence graph In optimizing compilers, data structure choices directly influence the power and efficiency of practical program optimization. A poor choice of data structure can inhibit optimization or slow compilation to the point that advanced opti... | The weakest failure detector for solving consensus We determine what information about failures is necessary and sufficient to solve Consensus in asynchronous distributed systems subject to crash failures. In Chandra and Toueg (1996), it is shown that {0, a failure detector that provides surprisingly little information... | Chord: A scalable peer-to-peer lookup service for internet applications A fundamental problem that confronts peer-to-peer applications is to efficiently locate the node that stores a particular data item. This paper presents Chord, a distributed lookup protocol that addresses this problem. Chord provides support for ju... | Database relations with null values A new formal approach is proposed for modeling incomplete database information by means of null values. The basis of our approach is an interpretation of nulls which obviates the need for more than one type of null. The conceptual soundness of this approach is demonstrated by general... | The Anatomy of the Grid: Enabling Scalable Virtual Organizations "Grid" computing has emerged as an important new field, distinguished from conventional distributed computing by its focus on large-scale resource sharing, innovative applications, and, in some cases, high performance orientation. In this article, the aut... | McPAT: An integrated power, area, and timing modeling framework for multicore and manycore architectures This paper introduces McPAT, an integrated power, area, and timing modeling framework that supports comprehensive design space exploration for multicore and manycore processor configurations ranging from 90 nm to 22... | Distributed Optimization and Statistical Learning via the Alternating Direction Method of Multipliers Many problems of recent interest in statistics and machine learning can be posed in the framework of convex optimization. Due to the explosion in size and complexity of modern datasets, it is increasingly important to ... | Skip graphs Skip graphs are a novel distributed data structure, based on skip lists, that provide the full functionality of a balanced tree in a distributed system where resources are stored in separate nodes that may fail at any time. They are designed for use in searching peer-to-peer systems, and by providing the ab... | The complexity of data aggregation in directed networks We study problems of data aggregation, such as approximate counting and computing the minimum input value, in synchronous directed networks with bounded message bandwidth B = Ω(log n). In undirected networks of diameter D, many such problems can easily be solved i... | A Local Passive Time Interpolation Concept for Variation-Tolerant High-Resolution Time-to-Digital Conversion Time-to-digital converters (TDCs) are promising building blocks for the digitalization of mixed-signal functionality in ultra-deep-submicron CMOS technologies. A short survey on state-of-the-art TDCs is given. A... | Area- and Power-Efficient Monolithic Buck Converters With Pseudo-Type III Compensation Monolithic PWM voltage-mode buck converters with a novel Pseudo-Type III (PT3) compensation are presented. The proposed compensation maintains the fast load transient response of the conventional Type III compensator; while the Type ... | Fundamental analysis of a car to car visible light communication system This paper presents a mathematical model for car-to-car (C2C) visible light communications (VLC) that aims to predict the system performance under different communication geometries. A market-weighted headlamp beam pattern model is employed. We con... | A Heterogeneous PIM Hardware-Software Co-Design for Energy-Efficient Graph Processing Processing-In-Memory (PIM) is an emerging technology that addresses the memory bottleneck of graph processing. In general, analog memristor-based PIM promises high parallelism provided that the underlying matrix-structured crossbar ca... | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
All-Digital Background Calibration Technique for Time-Interleaved ADC Using Pseudo Aliasing Signal A new digital background calibration technique for gain mismatches and sample-time mismatches in a Time-Interleaved Analog-to-Digital Converter (TI-ADC) is presented to reduce the circuit area. In the proposed technique, ... | Adaptive Calibration of Channel Mismatches in Time-Interleaved ADCs Based on Equivalent Signal Recombination In this paper, we present an adaptive calibration method for correcting channel mismatches in time-interleaved analog-to-digital converters (TIADCs). An equivalent signal recombination structure is proposed to e... | Seven-bit 700-MS/s Four-Way Time-Interleaved SAR ADC With Partial $V_{\mathrm {cm}}$ -Based Switching. This brief presents a 7-bit 700-MS/s four-way time-interleaved successive approximation register (SAR) analog-to-digital converter (ADC). A partial Vcm-based switching method is proposed that requires less digital ove... | Low complexity digital background calibration algorithm for the correction of timing mismatch in time-interleaved ADCs. A low-complexity post-processing algorithm to estimate and compensate for timing skew error in a four-channel time-interleaved analog to digital converter (TIADC) is presented in this paper, together ... | A Digital Adaptive Calibration Method Of Timing Mismatch In Tiadc Based On Adjacent Channels Lagrange Mean Value Difference This paper presents a digital adaptive calibration method to overcome the effect of timing mismatches in the time-interleaved analog-to-digital converter (TIADC). The structure of the channel spli... | A Polynomial-Based Time-Varying Filter Structure for the Compensation of Frequency-Response Mismatch Errors in Time-Interleaved ADCs This paper introduces a structure for the compensation of frequency-response mismatch errors in M-channel time-interleaved analog-to-digital converters (ADCs). It makes use of a number of... | A 2.8 GS/s 44.6 mW Time-Interleaved ADC Achieving 50.9 dB SNDR and 3 dB Effective Resolution Bandwidth of 1.5 GHz in 65 nm CMOS. This paper presents a power- and area-efficient 24-way time-interleaved successive-approximation-register (SAR) analog-to-digital converter (ADC) that achieves 2.8 GS/s and 8.1 ENOB in 65 nm ... | The weakest failure detector for solving consensus We determine what information about failures is necessary and sufficient to solve Consensus in asynchronous distributed systems subject to crash failures. In Chandra and Toueg (1996), it is shown that {0, a failure detector that provides surprisingly little information... | Efficient Processing of Deep Neural Networks: A Tutorial and Survey. Deep neural networks (DNNs) are currently widely used for many artificial intelligence (AI) applications including computer vision, speech recognition, and robotics. While DNNs deliver state-of-the-art accuracy on many AI tasks, it comes at the cost o... | Directed diffusion for wireless sensor networking Advances in processor, memory, and radio technology will enable small and cheap nodes capable of sensing, communication, and computation. Networks of such nodes can coordinate to perform distributed sensing of environmental phenomena. In this paper, we explore the direc... | A process calculus for Mobile Ad Hoc Networks We present the @w-calculus, a process calculus for formally modeling and reasoning about Mobile Ad Hoc Wireless Networks (MANETs) and their protocols. The @w-calculus naturally captures essential characteristics of MANETs, including the ability of a MANET node to broadcast ... | Chameleon: a dual-mode 802.11b/Bluetooth receiver system design In this paper, an approach to map the Bluetooth and 802.11b standards specifications into an architecture and specifications for the building blocks of a dual-mode direct conversion receiver is proposed. The design procedure focuses on optimizing the perfo... | Understanding the regenerative comparator circuit The regenerative comparator circuit which lies at the heart of A/D conversion, slicer circuits, and memory sensing, is unstable, time-varying, nonlinear, and with multiple equilibria. That does not mean, as this paper shows, that it cannot be understood with simple equi... | A Bidirectional Neural Interface IC With Chopper Stabilized BioADC Array and Charge Balanced Stimulator. We present a bidirectional neural interface with a 4-channel biopotential analog-to-digital converter (bioADC) and a 4-channel current-mode stimulator in 180 nm CMOS. The bioADC directly transduces microvolt biopote... | 1.042157 | 0.033704 | 0.033333 | 0.033333 | 0.033333 | 0.020741 | 0.006284 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
A 746 nW ECG Processor ASIC Based on Ternary Neural Network This paper presents an ultra-low power electrocardiography (ECG) processor application-specific integrated circuit (ASIC) for the real-time detection of abnormal cardiac rhythms (ACRs). The proposed ECG processor can support wearable or implantable ECG devices... | Efficiently computing static single assignment form and the control dependence graph In optimizing compilers, data structure choices directly influence the power and efficiency of practical program optimization. A poor choice of data structure can inhibit optimization or slow compilation to the point that advanced opti... | The weakest failure detector for solving consensus We determine what information about failures is necessary and sufficient to solve Consensus in asynchronous distributed systems subject to crash failures. In Chandra and Toueg (1996), it is shown that {0, a failure detector that provides surprisingly little information... | Chord: A scalable peer-to-peer lookup service for internet applications A fundamental problem that confronts peer-to-peer applications is to efficiently locate the node that stores a particular data item. This paper presents Chord, a distributed lookup protocol that addresses this problem. Chord provides support for ju... | Database relations with null values A new formal approach is proposed for modeling incomplete database information by means of null values. The basis of our approach is an interpretation of nulls which obviates the need for more than one type of null. The conceptual soundness of this approach is demonstrated by general... | The Anatomy of the Grid: Enabling Scalable Virtual Organizations "Grid" computing has emerged as an important new field, distinguished from conventional distributed computing by its focus on large-scale resource sharing, innovative applications, and, in some cases, high performance orientation. In this article, the aut... | McPAT: An integrated power, area, and timing modeling framework for multicore and manycore architectures This paper introduces McPAT, an integrated power, area, and timing modeling framework that supports comprehensive design space exploration for multicore and manycore processor configurations ranging from 90 nm to 22... | Distributed Optimization and Statistical Learning via the Alternating Direction Method of Multipliers Many problems of recent interest in statistics and machine learning can be posed in the framework of convex optimization. Due to the explosion in size and complexity of modern datasets, it is increasingly important to ... | Skip graphs Skip graphs are a novel distributed data structure, based on skip lists, that provide the full functionality of a balanced tree in a distributed system where resources are stored in separate nodes that may fail at any time. They are designed for use in searching peer-to-peer systems, and by providing the ab... | The complexity of data aggregation in directed networks We study problems of data aggregation, such as approximate counting and computing the minimum input value, in synchronous directed networks with bounded message bandwidth B = Ω(log n). In undirected networks of diameter D, many such problems can easily be solved i... | A Local Passive Time Interpolation Concept for Variation-Tolerant High-Resolution Time-to-Digital Conversion Time-to-digital converters (TDCs) are promising building blocks for the digitalization of mixed-signal functionality in ultra-deep-submicron CMOS technologies. A short survey on state-of-the-art TDCs is given. A... | Area- and Power-Efficient Monolithic Buck Converters With Pseudo-Type III Compensation Monolithic PWM voltage-mode buck converters with a novel Pseudo-Type III (PT3) compensation are presented. The proposed compensation maintains the fast load transient response of the conventional Type III compensator; while the Type ... | Fundamental analysis of a car to car visible light communication system This paper presents a mathematical model for car-to-car (C2C) visible light communications (VLC) that aims to predict the system performance under different communication geometries. A market-weighted headlamp beam pattern model is employed. We con... | A 32-Channel Time-Multiplexed Artifact-Aware Neural Recording System This paper presents a low-power, low-noise microsystem for the recording of neural local field potentials or intracranial electroencephalographic signals. It features 32 time-multiplexed channels at the electrode interface and offers the possibility t... | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Work-Efficient Parallel GPU Methods for Single-Source Shortest Paths Finding the shortest paths from a single source to all other vertices is a fundamental method used in a variety of higher-level graph algorithms. We present three parallel friendly and work-efficient methods to solve this Single-Source Shortest Paths ... | A fast GPU algorithm for graph connectivity Graphics processing units provide a large compu- tational power at a very low price which position them as an ubiquitous accelerator. General purpose programming on the graphics processing units (GPGPU) is best suited for regular data parallel algorithms. They are not directl... | Enterprise: breadth-first graph traversal on GPUs The Breadth-First Search (BFS) algorithm serves as the foundation for many graph-processing applications and analytics workloads. While Graphics Processing Unit (GPU) offers massive parallelism, achieving high-performance BFS on GPUs entails efficient scheduling of a la... | Accelerating sparse matrix-vector multiplication on GPUs using bit-representation-optimized schemes The sparse matrix-vector (SpMV) multiplication routine is an important building block used in many iterative algorithms for solving scientific and engineering problems. One of the main challenges of SpMV is its memory-bo... | High Performance Exact Triangle Counting on GPUs. This paper presents a GPU implementation of the graph triangle counting operation based on the set intersection algorithm. The algorithm is implemented in four kernels optimized for different types of graphs in a code delivering performance higher than the current state... | Mathematical foundations of the GraphBLAS The GraphBLAS standard (GraphBlas.org) is being developed to bring the potential of matrix-based graph algorithms to the broadest possible audience. Mathematically, the GraphBLAS defines a core set of matrix-based graph operations that can be used to implement a wide class of g... | A scalable processing-in-memory accelerator for parallel graph processing The explosion of digital data and the ever-growing need for fast data analysis have made in-memory big-data processing in computer systems increasingly important. In particular, large-scale graph processing is gaining attention due to its broad a... | The architecture of the DIVA processing-in-memory chip The DIVA (Data IntensiVe Architecture) system incorporates a collection of Processing-In-Memory (PIM) chips as smart-memory co-processors to a conventional microprocessor. We have recently fabricated prototype DIVA PIMs. These chips represent the first smart-memory... | Rowhammer.js: A remote software-induced fault attack in JavaScript A fundamental assumption in software security is that a memory location can only be modified by processes that may write to this memory location. However, a recent study has shown that parasitic effects in DRAM can change the content of a memory cell wi... | The geometry of innocent flesh on the bone: return-into-libc without function calls (on the x86) We present new techniques that allow a return-into-libc attack to be mounted on x86 executables that calls no functions at all. Our attack combines a large number of short instruction sequences to build gadgets that allow a... | Advancing wireless link signatures for location distinction Location distinction is the ability to determine when a device has changed its position. We explore the opportunity to use sophisticated PHY-layer measurements in wireless networking systems for location distinction. We first compare two existing location dist... | Concept and design of a cognitive radio prototyping platform The increasing demand for higher data rates in communication systems requires an efficient utilization of the limited frequency spectrum resource. Therefore, cognitive radio aspects are of utmost interest. The authors propose a reconfigurable cognitive radio ... | Agent-based modeling and simulation of a smart grid: A case study of communication effects on frequency control. A smart grid is the next generation power grid focused on providing increased reliability and efficiency in the wake of integration of volatile distributed energy resources. For the development of the smart ... | A 12.6 mW, 573-2901 kS/s Reconfigurable Processor for Reconstruction of Compressively Sensed Physiological Signals. This article presents a reconfigurable processor based on the alternating direction method of multipliers (ADMM) algorithm for reconstructing compressively sensed physiological signals. The architecture i... | 1.103633 | 0.103633 | 0.103633 | 0.1 | 0.1 | 0.069089 | 0.000142 | 0.000025 | 0 | 0 | 0 | 0 | 0 | 0 |
Robust fuzzy tracking control for robotic manipulators In this paper, a stable adaptive fuzzy-based tracking control is developed for robot systems with parameter uncertainties and external disturbance. First, a fuzzy logic system is introduced to approximate the unknown robotic dynamics by using adaptive algorithm. Ne... | Type-2 Fuzzy Sets and Systems: An Overview [corrected reprint] As originally published in the February 2007 issue of IEEE Computational Intelligence Magazine, the above titled paper (ibid., vol. 2, no. 1, pp. 20-29, Feb 07) contained errors in mathematics that were introduced by the publisher. The corrected version is ... | Stability of switched positive linear systems with average dwell time switching. In this paper, the stability analysis problem for a class of switched positive linear systems (SPLSs) with average dwell time switching is investigated. A multiple linear copositive Lyapunov function (MLCLF) is first introduced, by which t... | Output tracking control for a class of continuous-time T-S fuzzy systems This paper investigates the problem of output tracking for nonlinear systems with actuator fault using interval type-2 (IT2) fuzzy model approach. An IT2 state-feedback fuzzy controller is designed to perform the tracking control problem, where th... | Adaptive Fault-Tolerant Tracking Control for Discrete-Time Multiagent Systems via Reinforcement Learning Algorithm This article investigates the adaptive fault-tolerant tracking control problem for a class of discrete-time multiagent systems via a reinforcement learning algorithm. The action neural networks (NNs) are u... | An Efficient High-Order Alpha-Plane Aggregation In General Type-2 Fuzzy Systems Using Newton-Cotes Rules Nowadays, general type-2 fuzzy systems are an attractive alternative for non-linear control problems because they provide good robustness in real-world environments, where there exist many noise sources. This kind o... | Tracking control design of interval type-2 polynomial-fuzzy-model-based systems with time-varying delay. In this paper, the tracking control design for the interval type-2 (IT2) polynomial-fuzzy-model-based (PFMB) control system subject to time-varying delay situation is investigated. The tracking control system is for... | On sampled-data fuzzy control design approach for T-S model-based fuzzy systems by using discretization approach. In this paper, a sampled-data fuzzy control design approach for Takagi-Sugeno (T-S) model-based fuzzy systems is proposed. Firstly, the T-S model-based fuzzy systems are approximated by T-S fuzzy model-base... | Cache operations by MRU change The performance of set associative caches is analyzed. The method used is to group the cache lines into regions according to their positions in the replacement stacks of a cache, and then to observe how the memory access of a CPU is distributed over these regions. Results from the preserv... | Baring It All to Software: Raw Machines The most radical of the architectures that appear in this issue are Raw processors-highly parallel architectures with hundreds of very simple processors coupled to a small portion of the on-chip memory. Each processor, or tile, also contains a small bank of configurable logic, al... | A capacitor-free CMOS low-dropout regulator with damping-factor-control frequency compensation A 1.5-V 100-mA capacitor-free CMOS low-dropout regulator (LDO) for system-on-chip applications to reduce board space and external pins is presented. By utilizing damping-factor-control frequency compensation on the advanced L... | 22.7-dB Gain <formula formulatype="inline"><tex Notation="TeX">$-$</tex></formula>19.7-dBm <formula formulatype="inline"><tex Notation="TeX">$ICP_{1{\rm dB}}$</tex></formula> UWB CMOS LNA A fully differential CMOS ultrawideband low-noise amplifier (LNA) is presented. The LNA has been realized in a standard 90-nm CMOS t... | A Hybrid Threshold Self-Compensation Rectifier For Rf Energy Harvesting This paper presents a novel highly efficient 5-stage RF rectifier in SMIC 65 nm standard CMOS process. To improve power conversion efficiency (PCE) and reduce the minimum input voltage, a hybrid threshold self-compensation approach is applied in th... | A Bidirectional Neural Interface IC With Chopper Stabilized BioADC Array and Charge Balanced Stimulator. We present a bidirectional neural interface with a 4-channel biopotential analog-to-digital converter (bioADC) and a 4-channel current-mode stimulator in 180 nm CMOS. The bioADC directly transduces microvolt biopote... | 1.103989 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.0312 | 0.007044 | 0 | 0 | 0 | 0 | 0 | 0 |
Improving the Performance of a Line Regulating Converter in a Converter-Dominated DC Microgrid System This paper describes the controller design procedure for a line-regulating converter in a converter-dominated dc microgrid system. The purpose of the controller is to mitigate the effects of the constant power loads on... | Machine-to-machine communications for home energy management system in smart grid. Machine-to-machine (M2M) communications have emerged as a cutting edge technology for next-generation communications, and are undergoing rapid development and inspiring numerous applications. This article presents an investigation of the... | Reduced-Order Model and Stability Analysis of Low-Voltage DC Microgrid. Depleting fossil fuels, increasing energy demand, and need for high-reliability power supply motivate the use of dc microgrids. This paper analyzes the stability of low-voltage dc microgrid systems. Sources are controlled using a droop-based decent... | Planning of the DC System Considering Restrictions on the Small-Signal Stability of EV Charging Stations and Comparison Between Series and Parallel Connections Series and parallel connections are proposed for electric vehicle charging stations (EVCSs) to satisfy the demands of large EVs. In this study, simplified linea... | Efficiently computing static single assignment form and the control dependence graph In optimizing compilers, data structure choices directly influence the power and efficiency of practical program optimization. A poor choice of data structure can inhibit optimization or slow compilation to the point that advanced opti... | How to share a secret In this paper we show how to divide data D into n pieces in such a way that D is easily reconstructable from any k pieces, but even complete knowledge of k - 1 pieces reveals absolutely no information about D. This technique enables the construction of robust key management schemes for cryptograph... | A new approach to state observation of nonlinear systems with delayed output The article presents a new approach for the construction of a state observer for nonlinear systems when the output measurements are available for computations after a nonnegligible time delay. The proposed observer consists of a chain of obser... | Theory and Applications of Robust Optimization In this paper we survey the primary research, both theoretical and applied, in the area of robust optimization (RO). Our focus is on the computational attractiveness of RO approaches, as well as the modeling power and broad applicability of the methodology. In addition to ... | Cache attacks and countermeasures: the case of AES We describe several software side-channel attacks based on inter-process leakage through the state of the CPU’s memory cache. This leakage reveals memory access patterns, which can be used for cryptanalysis of cryptographic primitives that employ data-dependent table l... | A normal form for XML documents This paper takes a first step towards the design and normalization theory for XML documents. We show that, like relational databases, XML documents may contain redundant information, and may be prone to update anomalies. Furthermore, such problems are caused by certain functional depende... | Synchronization via Pinning Control on General Complex Networks. This paper studies synchronization via pinning control on general complex dynamical networks, such as strongly connected networks, networks with a directed spanning tree, weakly connected networks, and directed forests. A criterion for ensuring network sy... | Digital signal processors in cellular radio communications Contemporary wireless communications are based on digital communications technologies. The recent commercial success of mobile cellular communications has been enabled in part by successful designs of digital signal processors with appropriate on-chip memories ... | Optimum insertion/deletion point selection for fractional sample rate conversion In this paper, an optimum insertion/deletion point selection algorithm for fractional sample rate conversion (SRC) is proposed. The direct insertion/deletion technique achieves low complexity and low power consumption as compared to the ot... | A 12.6 mW, 573-2901 kS/s Reconfigurable Processor for Reconstruction of Compressively Sensed Physiological Signals. This article presents a reconfigurable processor based on the alternating direction method of multipliers (ADMM) algorithm for reconstructing compressively sensed physiological signals. The architecture i... | 1.2 | 0.2 | 0.2 | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Disturbance rejection in nonlinear systems based on equivalent-input-disturbance approach. This paper presents a new system configuration and a design method that improves disturbance rejection performance for a nonlinear system. The equivalent-input-disturbance (EID) approach is used to construct an EID estimator that... | Offset-Free Model Predictive Control for the Power Control of Three-Phase AC/DC Converters This paper describes an offset-free model predictive control (MPC) algorithm using a disturbance observer (DOB) to control the active/reactive powers of a three-phase AC/DC converter. The strategy of this paper is twofold. One is... | Further results on cloud control systems. This paper is devoted to further investigating the cloud control systems (CCSs). The benefits and challenges of CCSs are provided. Both new research results of ours and some typical work made by other researchers are presented. It is believed that the CCSs can have huge and pro... | Moving Horizon Estimation for Mobile Robots With Multirate Sampling. This paper investigates the multirate moving horizon estimation (MMHE) problem for mobile robots with inertial sensor and camera, where the sampling rates of the sensors are not identical. In the sense of the multirate systems, some sensors may have n... | Real-Time Switched Model Predictive Control for a Cyber-Physical Wind Turbine Emulator The high complexity and nonlinearity of wind turbine (WT) systems impose the utilization of rigorous control methods such as model predictive control (MPC). MPC algorithms are computationally intensive requiring investigation of real... | Network-Induced Constraints in Networked Control Systems—A Survey Networked control systems (NCSs) have, in recent years, brought many innovative impacts to control systems. However, great challenges are also met due to the network-induced imperfections. Such network-induced imperfections are handled as various constra... | Memoryless Approach to the LQ and LQG Problems with Variable Input Delay This note studies the LQ and LQG problems for linear time invariant systems with a single time-varying input delay and instantaneous (memoryless) state feedback. We extend the memoryless state feedback solution proposed in [1] in two directions. W... | Software complexity measurement Inappropriate use of software complexity measures can have large, damaging effects by rewarding poor programming practices and demoralizing good programmers. Software complexity measures must be critically evaluated to determine the ways in which they can best be used. | Joint Optimization of Task Scheduling and Image Placement in Fog Computing Supported Software-Defined Embedded System. Traditional standalone embedded system is limited in their functionality, flexibility, and scalability. Fog computing platform, characterized by pushing the cloud services to the network edge, is a pro... | Communication-efficient leader election and consensus with limited link synchrony We study the degree of synchrony required to implement the leader election failure detector Ω and to solve consensus in partially synchronous systems. We show that in a system with n processes and up to f process crashes, one can implemen... | Bandwidth-efficient management of DHT routing tables Today an application developer using a distributed hash table (DHT) with n nodes must choose a DHT protocol from the spectrum between O(1) lookup protocols [9, 18] and O(log n) protocols [20-23, 25, 26]. O(1) protocols achieve low latency lookups on small or low-chur... | Design Aspects of an Active Electromagnetic Suspension System for Automotive Applications. This paper is concerned with the design aspects of an active electromagnet suspension system for automotive appli- cations which combines a brushless tubular permanent magnet actuator (TPMA) with a passive spring. This system pro... | Quadrature Bandpass Sampling Rules for Single- and Multiband Communications and Satellite Navigation Receivers In this paper, we examine how existing rules for bandpass sampling rates can be applied to quadrature bandpass sampling. We find that there are significantly more allowable sampling rates and that the minimum ... | A VCO-Based Nonuniform Sampling ADC Using a Slope-Dependent Pulse Generator This paper presents a voltage-controlled oscillator (VCO)-based nonuniform sampling analog-to-digital converter (ADC) as an alternative to the level-crossing (LC)-based converters for digitizing biopotential signals. This work aims to provide a... | 1.112 | 0.1 | 0.1 | 0.1 | 0.1 | 0.05 | 0.0048 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Event-Based Leader-following Consensus of Multi-Agent Systems with Input Time Delay The event-based control strategy is an effective methodology for tackling the distributed control of multi-agent systems with limited on-board resources. This technical note focuses on event-based leader-following consensus for multi-ag... | Multiobjective evolutionary algorithms: A survey of the state of the art A multiobjective optimization problem involves several conflicting objectives and has a set of Pareto optimal solutions. By evolving a population of solutions, multiobjective evolutionary algorithms (MOEAs) are able to approximate the Pareto optim... | Optimal Tracking Control of Motion Systems Tracking control of motion systems typically requires accurate nonlinear friction models, especially at low speeds, and integral action. However, building accurate nonlinear friction models is time consuming, friction characteristics dramatically change over time, and special ... | Adaptive tracking control of leader-follower systems with unknown dynamics and partial measurements. In this paper, a decentralized adaptive tracking control is developed for a second-order leader–follower system with unknown dynamics and relative position measurements. Linearly parameterized models are used to describ... | Plug-and-Play Decentralized Model Predictive Control for Linear Systems In this technical note, we consider a linear system structured into physically coupled subsystems and propose a decentralized control scheme capable to guarantee asymptotic stability and satisfaction of constraints on system inputs and states. The ... | Vibration Control With MEMS Electrostatic Drives: A Self-Sensing Approach Nanopositioning is the actuation and sensing of motion on the nanometer scale and recent nanopositioner designs have been utilizing microelectromechanical systems (MEMS). This brief demonstrates a simple method to implement vibration control on a... | Adaptive Cooperative Output Regulation for a Class of Nonlinear Multi-Agent Systems In this technical note, an adaptive cooperative output regulation problem for a class of nonlinear multi-agent systems is considered. The cooperative output regulation problem is first converted into an adaptive stabilization problem fo... | Self-constructing wavelet neural network algorithm for nonlinear control of large structures An adaptive control algorithm is presented for nonlinear vibration control of large structures subjected to dynamic loading. It is based on integration of a self-constructing wavelet neural network (SCWNN) developed specificall... | Gradient-Based Learning Applied to Document Recognition Multilayer neural networks trained with the back-propagation algorithm constitute the best example of a successful gradient based learning technique. Given an appropriate network architecture, gradient-based learning algorithms can be used to synthesize a complex ... | Local and global properties in networks of processors (Extended Abstract) This paper attempts to get at some of the fundamental properties of distributed computing by means of the following question: “How much does each processor in a network of processors need to know about its own identity, the identities of other pr... | Mdvm System Concept, Paging Latency And Round-2 Randomized Leader Election Algorithm In Sg The future trend in the computing paradigm is marked by mobile computing based on mobile-client/server architecture connected by wireless communication network. However, the mobile computing systems have limitations because of th... | Sequential approximation of feasible parameter sets for identification with set membership uncertainty In this paper the problem of approximating the feasible parameter set for identification of a system in a set membership setting is considered. The system model is linear in the unknown parameters. A recursive procedu... | A 10-Bit 800-MHz 19-mW CMOS ADC A pipelined ADC employs charge-steering op amps to relax the trade-offs among speed, noise, and power consumption. Applying full-rate nonlinearity and gain error calibration, a prototype realized in 65-nm CMOS technology achieves an SNDR of 52.2 dB at an input frequency of 399.2MHz and a... | A Heterogeneous PIM Hardware-Software Co-Design for Energy-Efficient Graph Processing Processing-In-Memory (PIM) is an emerging technology that addresses the memory bottleneck of graph processing. In general, analog memristor-based PIM promises high parallelism provided that the underlying matrix-structured crossbar ca... | 1.213333 | 0.213333 | 0.213333 | 0.213333 | 0.213333 | 0.213333 | 0.213333 | 0.06 | 0 | 0 | 0 | 0 | 0 | 0 |
A Smooth Double Proximal Primal-Dual Algorithm for a Class of Distributed Nonsmooth Optimization Problems This technical note studies a class of distributed nonsmooth convex consensus optimization problems. The cost function is a summation of local cost functions which are convex but nonsmooth. Each of the local cost f... | A Distributed and Scalable Processing Method Based Upon ADMM. The alternating direction multiplier method (ADMM) was originally devised as an iterative method for solving convex minimization problems by means of parallelization, and was recently used for distributed processing. This letter proposes a modification of st... | Distributed Random Convex Programming via Constraints Consensus. This paper discusses distributed approaches for the solution of random convex programs (RCPs). RCPs are convex optimization problems with a (usually large) number N of randomly extracted constraints; they arise in several application areas, especially in ... | Distributed Linearized Alternating Direction Method of Multipliers for Composite Convex Consensus Optimization Given an undirected graph G = (N, E) of agents N = {1,..., N} connected with edges in E, we study how to compute an optimal decision on which there is consensus among agents and that minimizes the sum of agent... | A New Randomized Block-Coordinate Primal-Dual Proximal Algorithm for Distributed Optimization This paper proposes Triangularly Preconditioned Primal- Dual algorithm, a new primal-dual algorithm for minimizing the sum of a Lipschitz-differentiable convex function and two possibly nonsmooth convex functions, one of which... | Adaptive event-based tracking control of unmanned marine vehicle systems with DoS attack The tracking control problem of a network-based unmanned marine vehicle (UMV) system is investigated in this paper. The whole system consist of an UMV, a communication network and a ground-based control station. The measurement dat... | The part-time parliament Recent archaeological discoveries on the island of Paxos reveal that the parliament functioned despite the peripatetic propensity of its part-time legislators. The legislators maintained consistent copies of the parliamentary record, despite their frequent forays from the chamber and the forget... | Design Techniques for Fully Integrated Switched-Capacitor DC-DC Converters. This paper describes design techniques to maximize the efficiency and power density of fully integrated switched-capacitor (SC) DC-DC converters. Circuit design methods are proposed to enable simplified gate drivers while supporting multiple to... | Distributed reset A reset subsystem is designed that can be embedded in an arbitrary distributed system in order to allow the system processes to reset the system when necessary. Our design is layered, and comprises three main components: a leader election, a spanning tree construction, and a diffusing computation. Eac... | Winnowing: local algorithms for document fingerprinting Digital content is for copying: quotation, revision, plagiarism, and file sharing all create copies. Document fingerprinting is concerned with accurately identifying copying, including small partial copies, within large sets of documents.We introduce the class of ... | Cache Games -- Bringing Access-Based Cache Attacks on AES to Practice Side channel attacks on cryptographic systems exploit information gained from physical implementations rather than theoretical weaknesses of a scheme. In recent years, major achievements were made for the class of so called access-driven cache attack... | The analysis and improvement of a current-steering DACs dynamic SFDR-I: the cell-dependent delay differences For a high-accuracy current-steering digital-to-analog converters (DACs), the delay differences between the current sources is one of the major reasons that cause bad dynamic performance. In this paper, a mathem... | An energy-efficient VLSI architecture for pattern recognition via deep embedding of computation in SRAM In this paper, we propose the concept of compute memory, where computation is deeply embedded into the memory (SRAM). This deep embedding enables multi-row read access and analog signal processing. Compute memory exp... | A Heterogeneous PIM Hardware-Software Co-Design for Energy-Efficient Graph Processing Processing-In-Memory (PIM) is an emerging technology that addresses the memory bottleneck of graph processing. In general, analog memristor-based PIM promises high parallelism provided that the underlying matrix-structured crossbar ca... | 1.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
A 60 W 60 nV/ Hz Readout Front-End for Portable Biopotential Acquisition Systems There is a growing demand for low-power, small-size and ambulatory biopotential acquisition systems. A crucial and important block of this acquisition system is the analog readout front-end. We have implemented a low-power and low-noise re... | A 200 <formula formulatype="inline"><tex Notation="TeX">$\mu$</tex> </formula>W Eight-Channel EEG Acquisition ASIC for Ambulatory EEG Systems The growing interest toward the improvement of patients' quality of life and the use of medical signals in nonmedical applications such as entertainment, sports, and brain-co... | A 13 μA analog signal processing IC for accurate recognition of multiple intra-cardiac signals. A low-power analog signal processing IC is presented for the low-power heart rhythm analysis. The ASIC features 3 identical, but independent intra-ECG readout channels each equipping an analog QRS feature extractor for low-p... | A Low-Noise Area-Efficient Chopped VCO-Based CTDSM for Sensor Applications in 40-nm CMOS. An area-efficient voltage-sensing readout circuit employing chopped voltage-controlled oscillator (VCO)-based continuous-time delta-sigma modulator (CTDSM) is presented in this paper. This VCO-based CTDSM features direct connectio... | A 16-Channel Patient-Specific Seizure Onset and Termination Detection SoC With Impedance-Adaptive Transcranial Electrical Stimulator A 16-channel noninvasive closed-loop beginning-and end-of-seizure detection SoC is presented. The dual-channel charge recycled (DCCR) analog front end (AFE) achieves chopping and time-mul... | A Trimodal Wireless Implantable Neural Interface System-on-Chip A wireless and battery-less trimodal neural interface system-on-chip (SoC), capable of 16-ch neural recording, 8-ch electrical stimulation, and 16-ch optical stimulation, all integrated on a 5 × 3 mm
<sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmln... | Chord: A scalable peer-to-peer lookup service for internet applications A fundamental problem that confronts peer-to-peer applications is to efficiently locate the node that stores a particular data item. This paper presents Chord, a distributed lookup protocol that addresses this problem. Chord provides support for ju... | Measuring the Gap Between FPGAs and ASICs ABSTRACT This paper presents experimental measurements of the differences between a 90nm CMOS FPGA and 90nm CMOS Standard Cell ASICs in terms of logic density, circuit speed and power consumption. We are motivated to make these measurements to enable system designers to make be... | Termination detection for diffusing computations | Distributed multi-agent optimization with state-dependent communication We study distributed algorithms for solving global optimization problems in which the objective function is the sum of local objective functions of agents and the constraint set is given by the intersection of local constraint sets of agents. We as... | Yet another MicroArchitectural Attack:: exploiting I-Cache MicroArchitectural Attacks (MA), which can be considered as a special form of Side-Channel Analysis, exploit microarchitectural functionalities of processor implementations and can compromise the security of computational environments even in the presence of so... | A decentralized modular control framework for robust control of FES-activated walker-assisted paraplegic walking using terminal sliding mode and fuzzy logic control. A major challenge to developing functional electrical stimulation (FES) systems for paraplegic walking and widespread acceptance of these systems is the d... | NDC: Analyzing the impact of 3D-stacked memory+logic devices on MapReduce workloads While Processing-in-Memory has been investigated for decades, it has not been embraced commercially. A number of emerging technologies have renewed interest in this topic. In particular, the emergence of 3D stacking and the imminent rel... | A 12.6 mW, 573-2901 kS/s Reconfigurable Processor for Reconstruction of Compressively Sensed Physiological Signals. This article presents a reconfigurable processor based on the alternating direction method of multipliers (ADMM) algorithm for reconstructing compressively sensed physiological signals. The architecture i... | 1.2 | 0.2 | 0.2 | 0.2 | 0.1 | 0.05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Enhancing GNU Radio with Heterogeneous Computing Software radio system performance can be significantly enhanced with appropriate architectural choices, such as the GNU Radio USRP's division of roles between an FPGA and a general purpose CPU. Heterogeneous architectures provide the most flexibility for achieving high c... | Efficiently computing static single assignment form and the control dependence graph In optimizing compilers, data structure choices directly influence the power and efficiency of practical program optimization. A poor choice of data structure can inhibit optimization or slow compilation to the point that advanced opti... | The weakest failure detector for solving consensus We determine what information about failures is necessary and sufficient to solve Consensus in asynchronous distributed systems subject to crash failures. In Chandra and Toueg (1996), it is shown that {0, a failure detector that provides surprisingly little information... | Chord: A scalable peer-to-peer lookup service for internet applications A fundamental problem that confronts peer-to-peer applications is to efficiently locate the node that stores a particular data item. This paper presents Chord, a distributed lookup protocol that addresses this problem. Chord provides support for ju... | Database relations with null values A new formal approach is proposed for modeling incomplete database information by means of null values. The basis of our approach is an interpretation of nulls which obviates the need for more than one type of null. The conceptual soundness of this approach is demonstrated by general... | The Anatomy of the Grid: Enabling Scalable Virtual Organizations "Grid" computing has emerged as an important new field, distinguished from conventional distributed computing by its focus on large-scale resource sharing, innovative applications, and, in some cases, high performance orientation. In this article, the aut... | McPAT: An integrated power, area, and timing modeling framework for multicore and manycore architectures This paper introduces McPAT, an integrated power, area, and timing modeling framework that supports comprehensive design space exploration for multicore and manycore processor configurations ranging from 90 nm to 22... | Distributed Optimization and Statistical Learning via the Alternating Direction Method of Multipliers Many problems of recent interest in statistics and machine learning can be posed in the framework of convex optimization. Due to the explosion in size and complexity of modern datasets, it is increasingly important to ... | Skip graphs Skip graphs are a novel distributed data structure, based on skip lists, that provide the full functionality of a balanced tree in a distributed system where resources are stored in separate nodes that may fail at any time. They are designed for use in searching peer-to-peer systems, and by providing the ab... | The complexity of data aggregation in directed networks We study problems of data aggregation, such as approximate counting and computing the minimum input value, in synchronous directed networks with bounded message bandwidth B = Ω(log n). In undirected networks of diameter D, many such problems can easily be solved i... | A Local Passive Time Interpolation Concept for Variation-Tolerant High-Resolution Time-to-Digital Conversion Time-to-digital converters (TDCs) are promising building blocks for the digitalization of mixed-signal functionality in ultra-deep-submicron CMOS technologies. A short survey on state-of-the-art TDCs is given. A... | Area- and Power-Efficient Monolithic Buck Converters With Pseudo-Type III Compensation Monolithic PWM voltage-mode buck converters with a novel Pseudo-Type III (PT3) compensation are presented. The proposed compensation maintains the fast load transient response of the conventional Type III compensator; while the Type ... | Fundamental analysis of a car to car visible light communication system This paper presents a mathematical model for car-to-car (C2C) visible light communications (VLC) that aims to predict the system performance under different communication geometries. A market-weighted headlamp beam pattern model is employed. We con... | A Heterogeneous PIM Hardware-Software Co-Design for Energy-Efficient Graph Processing Processing-In-Memory (PIM) is an emerging technology that addresses the memory bottleneck of graph processing. In general, analog memristor-based PIM promises high parallelism provided that the underlying matrix-structured crossbar ca... | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Mechanism Design-Based Secure Leader Election Model for Intrusion Detection in MANET In this paper, we study leader election in the presence of selfish nodes for intrusion detection in mobile ad hoc networks (MANETs). To balance the resource consumption among all nodes and prolong the lifetime of an MANET, nodes with t... | The Eventual Leadership in Dynamic Mobile Networking Environments Eventual leadership has been identified as a basic building block to solve synchronization or coordination problems in distributed computing systems. However, it is a challenging task to implement the eventual leadership facility, especially in dynamic d... | Top K-leader election in mobile ad hoc networks Many applications in mobile ad hoc networks (MANETs) require multiple nodes to act as leaders. Given the resource constraints of mobile nodes, it is desirable to elect resource-rich nodes with higher energy or computational capabilities as leaders. In this paper, we propo... | An efficient leader election protocol for mobile networks In this paper, we present a leader election protocol that works under frequent network changes and node mobility. Our proposed protocol, which operates well in ad hoc networks, is based on electing a unique node that outperforms all the other nodes in a cluster ... | An asynchronous leader election algorithm for dynamic networks An algorithm for electing a leader in an asynchronous network with dynamically changing communication topology is presented. The algorithm ensures that, no matter what pattern of topology changes occur, if topology changes cease, then eventually every conne... | Chord: A scalable peer-to-peer lookup service for internet applications A fundamental problem that confronts peer-to-peer applications is to efficiently locate the node that stores a particular data item. This paper presents Chord, a distributed lookup protocol that addresses this problem. Chord provides support for ju... | A Fast and High Quality Multilevel Scheme for Partitioning Irregular Graphs Recently, a number of researchers have investigated a class of graph partitioning algorithms that reduce the size of the graph by collapsing vertices and edges, partition the smaller graph, and then uncoarsen it to construct a partition for the... | Controllability and observability of Boolean control networks The controllability and observability of Boolean control networks are investigated. After a brief review on converting a logic dynamics to a discrete-time linear dynamics with a transition matrix, some formulas are obtained for retrieving network and its log... | The M-Machine multicomputer The M-Machine is an experimental multicomputer being developed to test architectural concepts motivated by the constraints
of modern semiconductor technology and the demands of programming systems. The M-Machine computing nodes are connected with
a 3-D mesh network; each node is a multithr... | Halide: a language and compiler for optimizing parallelism, locality, and recomputation in image processing pipelines Image processing pipelines combine the challenges of stencil computations and stream programs. They are composed of large graphs of different stencil stages, as well as complex reductions, and stages wi... | CoCo: coding-based covert timing channels for network flows In this paper, we propose CoCo, a novel framework for establishing covert timing channels. The CoCo covert channel modulates the covert message in the inter-packet delays of the network flows, while a coding algorithm is used to ensure the robustness of the co... | Design of ultra-wide-load, high-efficient DC-DC buck converters The paper presents the design of a current-mode control DC-DC buck converter with pulse-width modulation (PWM) mode. The converter achieves a current load ranged from 50 mA to 500 mA over 90% efficiency, and the maximum power efficiency is 95.6%, where the... | Fundamental analysis of a car to car visible light communication system This paper presents a mathematical model for car-to-car (C2C) visible light communications (VLC) that aims to predict the system performance under different communication geometries. A market-weighted headlamp beam pattern model is employed. We con... | A Heterogeneous PIM Hardware-Software Co-Design for Energy-Efficient Graph Processing Processing-In-Memory (PIM) is an emerging technology that addresses the memory bottleneck of graph processing. In general, analog memristor-based PIM promises high parallelism provided that the underlying matrix-structured crossbar ca... | 1.1 | 0.05 | 0.033333 | 0.014286 | 0.005882 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
First Order Statistic Based Fast Blind Calibration of Time Skews for Time-Interleaved ADCs A full digital background method is proposed in this brief for timing mismatch calibrations of time-interleaved analog-to-digital converters (TIADCs) with wide sense stationary input signals. Firstly, errors caused by timing mism... | Seven-bit 700-MS/s Four-Way Time-Interleaved SAR ADC With Partial $V_{\mathrm {cm}}$ -Based Switching. This brief presents a 7-bit 700-MS/s four-way time-interleaved successive approximation register (SAR) analog-to-digital converter (ADC). A partial Vcm-based switching method is proposed that requires less digital ove... | Adaptive Blind Timing Mismatch Calibration with Low Power Consumption in M-Channel Time-Interleaved ADC. This paper proposes an adaptive blind calibration scheme to minimize timing mismatch in M-channel time-interleaved analog-to-digital converter (TIADC). By using a derivative filter, the timing mismatch can be calibr... | A 28-nm 10-b 2.2-GS/s 18.2-mW Relative-Prime Time-Interleaved Sub-Ranging SAR ADC With On-Chip Background Skew Calibration This article presents a relative-prime-based time-interleaved (RP TI) sub-ranging successive-approximation register (SAR) analog-to-digital converter (ADC) with on-chip background skew calibration.... | A Spectral-Correlation-Based Blind Calibration Method for Time-Interleaved ADCs With the quick expansion of signal bandwidth in communication systems, time-interleaved Analog-to-Digital Converters (TI-ADC) provide quick pathway to very high sampling speed. Nonetheless, mismatches among the sub-ADC channels are major pe... | A High-Precision Time Skew Estimation and Correction Technique for Time-Interleaved ADCs This paper presents an all-digital background calibration technique for the time skew mismatch in time-interleaved ADCs (TIADCs). The technique jointly estimates all of the time skew values by processing the outputs of a bank of co... | The weakest failure detector for solving consensus We determine what information about failures is necessary and sufficient to solve Consensus in asynchronous distributed systems subject to crash failures. In Chandra and Toueg (1996), it is shown that {0, a failure detector that provides surprisingly little information... | Merged Two-Stage Power Converter With Soft Charging Switched-Capacitor Stage in 180 nm CMOS In this paper, we introduce a merged two-stage dc-dc power converter for low-voltage power delivery. By separating the transformation and regulation function of a dc-dc power converter into two stages, both large voltage transfo... | Disk Paxos We present an algorithm, called Disk Paxos, for implementing a reliable distributed system with a network of processors and disks. Like the original Paxos algorithm, Disk Paxos maintains consistency in the presence of arbitrary non-Byzantine faults. Progress can be guaranteed as long as a majority of the dis... | Barrier certificates for nonlinear model validation Methods for model validation of continuous-time nonlinear systems with uncertain parameters are presented in this paper. The methods employ functions of state-parameter-time, termed barrier certificates, whose existence proves that a model and a feasible parameter set... | Cache Games -- Bringing Access-Based Cache Attacks on AES to Practice Side channel attacks on cryptographic systems exploit information gained from physical implementations rather than theoretical weaknesses of a scheme. In recent years, major achievements were made for the class of so called access-driven cache attack... | Fully Integrated CMOS Power Amplifier With Efficiency Enhancement at Power Back-Off This paper presents a new approach for power amplifier design using deep submicron CMOS technologies. A transformer based voltage combiner is proposed to combine power generated from several low-voltage CMOS amplifiers. Unlike other vol... | A 15.5 dB, wide signal swing, dynamic amplifier using a common-mode voltage detection technique This paper presents a high-speed, low-power and wide signal swing differential dynamic amplifier using a common-mode voltage detection technique. The proposed dynamic amplifier achieves a 15.5 dB gain with less than 1 dB dro... | A Bidirectional Neural Interface IC With Chopper Stabilized BioADC Array and Charge Balanced Stimulator. We present a bidirectional neural interface with a 4-channel biopotential analog-to-digital converter (bioADC) and a 4-channel current-mode stimulator in 180 nm CMOS. The bioADC directly transduces microvolt biopote... | 1.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Cognitive Aeronautical Communication System The paper explores the system and architecture requirements for cognitive driven reconfigurable hardware for an aeronautical platform, such as commercial aircraft or high altitude platforms. With advances in components and processing hardware, mobile platforms are ideal candi... | Efficiently computing static single assignment form and the control dependence graph In optimizing compilers, data structure choices directly influence the power and efficiency of practical program optimization. A poor choice of data structure can inhibit optimization or slow compilation to the point that advanced opti... | The weakest failure detector for solving consensus We determine what information about failures is necessary and sufficient to solve Consensus in asynchronous distributed systems subject to crash failures. In Chandra and Toueg (1996), it is shown that {0, a failure detector that provides surprisingly little information... | Chord: A scalable peer-to-peer lookup service for internet applications A fundamental problem that confronts peer-to-peer applications is to efficiently locate the node that stores a particular data item. This paper presents Chord, a distributed lookup protocol that addresses this problem. Chord provides support for ju... | Database relations with null values A new formal approach is proposed for modeling incomplete database information by means of null values. The basis of our approach is an interpretation of nulls which obviates the need for more than one type of null. The conceptual soundness of this approach is demonstrated by general... | The Anatomy of the Grid: Enabling Scalable Virtual Organizations "Grid" computing has emerged as an important new field, distinguished from conventional distributed computing by its focus on large-scale resource sharing, innovative applications, and, in some cases, high performance orientation. In this article, the aut... | McPAT: An integrated power, area, and timing modeling framework for multicore and manycore architectures This paper introduces McPAT, an integrated power, area, and timing modeling framework that supports comprehensive design space exploration for multicore and manycore processor configurations ranging from 90 nm to 22... | Distributed Optimization and Statistical Learning via the Alternating Direction Method of Multipliers Many problems of recent interest in statistics and machine learning can be posed in the framework of convex optimization. Due to the explosion in size and complexity of modern datasets, it is increasingly important to ... | Skip graphs Skip graphs are a novel distributed data structure, based on skip lists, that provide the full functionality of a balanced tree in a distributed system where resources are stored in separate nodes that may fail at any time. They are designed for use in searching peer-to-peer systems, and by providing the ab... | The complexity of data aggregation in directed networks We study problems of data aggregation, such as approximate counting and computing the minimum input value, in synchronous directed networks with bounded message bandwidth B = Ω(log n). In undirected networks of diameter D, many such problems can easily be solved i... | A Local Passive Time Interpolation Concept for Variation-Tolerant High-Resolution Time-to-Digital Conversion Time-to-digital converters (TDCs) are promising building blocks for the digitalization of mixed-signal functionality in ultra-deep-submicron CMOS technologies. A short survey on state-of-the-art TDCs is given. A... | A 0.5 V 1.1 MS/sec 6.3 fJ/Conversion-Step SAR-ADC With Tri-Level Comparator in 40 nm CMOS This paper presents an extremely low-voltage operation and power efficient successive-approximation-register (SAR) analog-to-digital converter (ADC). Tri-level comparator is proposed to relax the speed requirement of the comparato... | Conductance modulation techniques in switched-capacitor DC-DC converter for maximum-efficiency tracking and ripple mitigation in 22nm Tri-gate CMOS Active conduction modulation techniques are demonstrated in a fully integrated multi-ratio switched-capacitor voltage regulator with hysteretic control, implemented in 22nm... | A Heterogeneous PIM Hardware-Software Co-Design for Energy-Efficient Graph Processing Processing-In-Memory (PIM) is an emerging technology that addresses the memory bottleneck of graph processing. In general, analog memristor-based PIM promises high parallelism provided that the underlying matrix-structured crossbar ca... | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Robust Tracking Control of Interval Type-2 Positive Takagi–Sugeno Fuzzy Systems With External Disturbance Nonlinear positive systems are ubiquitous in practical applications. The constraint of positive conditions makes the design of this system still quite challenging even for the existing advanced control theory. In a... | Efficiently computing static single assignment form and the control dependence graph In optimizing compilers, data structure choices directly influence the power and efficiency of practical program optimization. A poor choice of data structure can inhibit optimization or slow compilation to the point that advanced opti... | The weakest failure detector for solving consensus We determine what information about failures is necessary and sufficient to solve Consensus in asynchronous distributed systems subject to crash failures. In Chandra and Toueg (1996), it is shown that {0, a failure detector that provides surprisingly little information... | Chord: A scalable peer-to-peer lookup service for internet applications A fundamental problem that confronts peer-to-peer applications is to efficiently locate the node that stores a particular data item. This paper presents Chord, a distributed lookup protocol that addresses this problem. Chord provides support for ju... | Database relations with null values A new formal approach is proposed for modeling incomplete database information by means of null values. The basis of our approach is an interpretation of nulls which obviates the need for more than one type of null. The conceptual soundness of this approach is demonstrated by general... | The Anatomy of the Grid: Enabling Scalable Virtual Organizations "Grid" computing has emerged as an important new field, distinguished from conventional distributed computing by its focus on large-scale resource sharing, innovative applications, and, in some cases, high performance orientation. In this article, the aut... | McPAT: An integrated power, area, and timing modeling framework for multicore and manycore architectures This paper introduces McPAT, an integrated power, area, and timing modeling framework that supports comprehensive design space exploration for multicore and manycore processor configurations ranging from 90 nm to 22... | Distributed Optimization and Statistical Learning via the Alternating Direction Method of Multipliers Many problems of recent interest in statistics and machine learning can be posed in the framework of convex optimization. Due to the explosion in size and complexity of modern datasets, it is increasingly important to ... | Skip graphs Skip graphs are a novel distributed data structure, based on skip lists, that provide the full functionality of a balanced tree in a distributed system where resources are stored in separate nodes that may fail at any time. They are designed for use in searching peer-to-peer systems, and by providing the ab... | The complexity of data aggregation in directed networks We study problems of data aggregation, such as approximate counting and computing the minimum input value, in synchronous directed networks with bounded message bandwidth B = Ω(log n). In undirected networks of diameter D, many such problems can easily be solved i... | A Local Passive Time Interpolation Concept for Variation-Tolerant High-Resolution Time-to-Digital Conversion Time-to-digital converters (TDCs) are promising building blocks for the digitalization of mixed-signal functionality in ultra-deep-submicron CMOS technologies. A short survey on state-of-the-art TDCs is given. A... | Area- and Power-Efficient Monolithic Buck Converters With Pseudo-Type III Compensation Monolithic PWM voltage-mode buck converters with a novel Pseudo-Type III (PT3) compensation are presented. The proposed compensation maintains the fast load transient response of the conventional Type III compensator; while the Type ... | Fundamental analysis of a car to car visible light communication system This paper presents a mathematical model for car-to-car (C2C) visible light communications (VLC) that aims to predict the system performance under different communication geometries. A market-weighted headlamp beam pattern model is employed. We con... | A 32-Channel Time-Multiplexed Artifact-Aware Neural Recording System This paper presents a low-power, low-noise microsystem for the recording of neural local field potentials or intracranial electroencephalographic signals. It features 32 time-multiplexed channels at the electrode interface and offers the possibility t... | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Filter Design for Positive T–S Fuzzy Continuous-Time Systems With Time Delay Using Piecewise-Linear Membership Functions This article focuses on the filtering problem and stability analysis for positive Takagi-Sugeno (T-S) fuzzy systems with time delay under L
<sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:x... | Type-2 Fuzzy Sets and Systems: An Overview [corrected reprint] As originally published in the February 2007 issue of IEEE Computational Intelligence Magazine, the above titled paper (ibid., vol. 2, no. 1, pp. 20-29, Feb 07) contained errors in mathematics that were introduced by the publisher. The corrected version is ... | Stability of switched positive linear systems with average dwell time switching. In this paper, the stability analysis problem for a class of switched positive linear systems (SPLSs) with average dwell time switching is investigated. A multiple linear copositive Lyapunov function (MLCLF) is first introduced, by which t... | Output tracking control for a class of continuous-time T-S fuzzy systems This paper investigates the problem of output tracking for nonlinear systems with actuator fault using interval type-2 (IT2) fuzzy model approach. An IT2 state-feedback fuzzy controller is designed to perform the tracking control problem, where th... | Adaptive Fault-Tolerant Tracking Control for Discrete-Time Multiagent Systems via Reinforcement Learning Algorithm This article investigates the adaptive fault-tolerant tracking control problem for a class of discrete-time multiagent systems via a reinforcement learning algorithm. The action neural networks (NNs) are u... | Robust fuzzy tracking control for robotic manipulators In this paper, a stable adaptive fuzzy-based tracking control is developed for robot systems with parameter uncertainties and external disturbance. First, a fuzzy logic system is introduced to approximate the unknown robotic dynamics by using adaptive algorithm. Ne... | A Survey of Reachability and Controllability for Positive Linear Systems. This paper is a survey of reachability and controllability results for discrete-time positive linear systems. It presents a variety of criteria in both algebraic and digraph forms for recognising these fundamental system properties with direct im... | GloMoSim: a library for parallel simulation of large-scale wireless networks Abstract Anumber,of library-based parallel ,and sequential network,simulators ,have ,been ,designed. This paper describes a library, called GloMoSim (for Global Mobile system Simulator), for parallel simulation of wireless networks. ... | TAG: a Tiny AGgregation service for ad-hoc sensor networks We present the Tiny AGgregation (TAG) service for aggregation in low-power, distributed, wireless environments. TAG allows users to express simple, declarative queries and have them distributed and executed efficiently in networks of low-power, wireless sensors... | On the evolution of user interaction in Facebook Online social networks have become extremely popular; numerous sites allow users to interact and share content using social links. Users of these networks often establish hundreds to even thousands of social links with other users. Recently, researchers have suggested ex... | The Quadrature LC Oscillator: A Complete Portrait Based on Injection Locking We show that the quadrature LC oscillator is best treated as two strongly coupled, nominally identical oscillators that are locked to the same frequency. Differential equations that extend Adler's description of locking to strong injection... | Permanent-magnets linear actuators applicability in automobile active suspensions Significant improvements in automobile suspension performance are achieved by active systems. However, current active suspension systems are too expensive and complex. Developments occurring in power electronics, permanent magnet material... | SPECS: A Lightweight Runtime Mechanism for Protecting Software from Security-Critical Processor Bugs Processor implementation errata remain a problem, and worse, a subset of these bugs are security-critical. We classified 7 years of errata from recent commercial processors to understand the magnitude and severity of th... | Power Efficiency Comparison of Event-Driven and Fixed-Rate Signal Conversion and Compression for Biomedical Applications Energy-constrained biomedical recording systems need power-efficient data converters and good signal compression in order to meet the stringent power consumption requirements of many applications. In... | 1.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.1 | 0.05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Variability in TCP round-trip times We measured and analyzed the variability in round trip times (RTTs) within TCP connections using passive measurement techniques. We collected eight hours of bidirectional traces containing over 22 million TCP connections between end-points at a large university campus and almost $1$ ... | End-to-end routing behavior in the internet The large-scale behavior of routing In the Internet has gone virtually without any formal study, the exceptions being Chinoy's (1993) analysis of the dynamics of Internet routing information, and work, similar in spirit, by Labovitz, Malan, and Jahanian (see Proc. SIGCOMM'97,... | Why Do Internet Services Fail, and What Can Be Done About It? We describe the architecture, operational practices, and failure characteristics of three very large-scale Internet services. Our research on architecture and operational practices took the form of interviews with architects and operations staff at those (an... | Merging ring-structured overlay indices: toward network-data transparency. Peer-to-peer index structures distributed and managed over the planet, commonly known as structured overlays (e.g., distributed hash tables) have been touted to play the role of a fundamental building block for internet-scale distributed systems... | An analytical study of a structured overlay in the presence of dynamic membership In this paper, we present an analytical study of dynamic membership (aka churn) in structured peer-to-peer networks. We use a fluid model approach to describe steady-state or transient phenomena and apply it to the Chord system. For any r... | Controlling the cost of reliability in peer-to-peer overlays Structured peer-to-peer overlay networks provide a useful substrate for building distributed applications but there are general concerns over the cost of maintaining these overlays. The current approach is to configure the overlays statically and conservative... | Skip graphs Skip graphs are a novel distributed data structure, based on skip lists, that provide the full functionality of a balanced tree in a distributed system where resources are stored in separate nodes that may fail at any time. They are designed for use in searching peer-to-peer systems, and by providing the ab... | The Anatomy of the Grid: Enabling Scalable Virtual Organizations "Grid" computing has emerged as an important new field, distinguished from conventional distributed computing by its focus on large-scale resource sharing, innovative applications, and, in some cases, high performance orientation. In this article, the aut... | Efficient Processing of Deep Neural Networks: A Tutorial and Survey. Deep neural networks (DNNs) are currently widely used for many artificial intelligence (AI) applications including computer vision, speech recognition, and robotics. While DNNs deliver state-of-the-art accuracy on many AI tasks, it comes at the cost o... | On implementing omega with weak reliability and synchrony assumptions We study the feasibility and cost of implementing Ω---a fundamental failure detector at the core of many algorithms---in systems with weak reliability and synchrony assumptions. Intuitively, Ω allows processes to eventually elect a common leader. We ... | Reconstruction of Nonuniformly Sampled Bandlimited Signals Using a Differentiator–Multiplier Cascade This paper considers the problem of reconstructing a bandlimited signal from its nonuniform samples. Based on a discrete-time equivalent model for nonuniform sampling, we propose the differentiator-multiplier cascade, a... | A Dht-Based Discovery Service For The Internet Of Things Current trends towards the Future Internet are envisaging the conception of novel services endowed with context-aware and autonomic capabilities to improve end users' quality of life. The Internet of Things paradigm is expected to contribute towards this ambitiou... | A Highly Adaptive Leader Election Algorithm for Mobile Ad Hoc Networks. | A Heterogeneous PIM Hardware-Software Co-Design for Energy-Efficient Graph Processing Processing-In-Memory (PIM) is an emerging technology that addresses the memory bottleneck of graph processing. In general, analog memristor-based PIM promises high parallelism provided that the underlying matrix-structured crossbar ca... | 1.103556 | 0.107111 | 0.107111 | 0.107111 | 0.071259 | 0.025262 | 0.003798 | 0.000042 | 0 | 0 | 0 | 0 | 0 | 0 |
Computing size-independent matrix problems on systolic array processors A methodology to transform dense to band matrices is presented in this paper. This transformation, is accomplished by triangular blocks partitioning, and allows the implementation of solutions to problems with any given size, by means of contraflow... | MPFR: A multiple-precision binary floating-point library with correct rounding This article presents a multiple-precision binary floating-point library, written in the ISO C language, and based on the GNU MP library. Its particularity is to extend to arbitrary-precision, ideas from the IEEE 754 standard, by providing c... | Tapered Floating Point: A New Floating-Point Representation It is well known that there is a possible tradeoff in the binary representation of floating-point numbers in which one bit of accuracy can be gained at the cost of halving the exponent range, and vice versa. A way in which the exponent range can be greatly inc... | Formal description of systolic algorithms and an analysis of the information flow. | Evaluating the Numerical Stability of Posit Arithmetic The Posit number format has been proposed by John Gustafson as an alternative to the IEEE 754 standard floatingpoint format. Posits offer a unique form of tapered precision whereas IEEE floating-point numbers provide the same relative precision across most of their... | Chord: A scalable peer-to-peer lookup service for internet applications A fundamental problem that confronts peer-to-peer applications is to efficiently locate the node that stores a particular data item. This paper presents Chord, a distributed lookup protocol that addresses this problem. Chord provides support for ju... | Directed diffusion: a scalable and robust communication paradigm for sensor networks Advances in processor, memory and radio technology will enable small and cheap nodes capable of sensing, communication and computation. Networks of such nodes can coordinate to perform distributed sensing of environmental phenomena. In... | Controllability and observability of Boolean control networks The controllability and observability of Boolean control networks are investigated. After a brief review on converting a logic dynamics to a discrete-time linear dynamics with a transition matrix, some formulas are obtained for retrieving network and its log... | From few to many: illumination cone models for face recognition under variable lighting and pose We present a generative appearance-based method for recognizing human faces under variation in lighting and viewpoint. Our method exploits the fact that the set of images of an object in fixed pose, but under all possible i... | SPONGENT: a lightweight hash function This paper proposes spongent - a family of lightweight hash functions with hash sizes of 88 (for preimage resistance only), 128, 160, 224, and 256 bits based on a sponge construction instantiated with a present-type permutation, following the hermetic sponge strategy. Its smallest ... | MicroGP—An Evolutionary Assembly Program Generator This paper describes 驴GP, an evolutionary approach for generating assembly programs tuned for a specific microprocessor. The approach is based on three clearly separated blocks: an evolutionary core, an instruction library and an external evaluator. The evolutionary co... | A Delay-Locked Loop Synchronization Scheme for High-Frequency Multiphase Hysteretic DC-DC Converters This paper reports a delay-locked loop (DLL) based hysteretic controller for high-frequency multiphase dc-dc buck converters. The DLL control loop employs the switching frequency of a hysteretic comparator as reference ... | ΣΔ ADC with fractional sample rate conversion for software defined radio receiver. | A Hybrid 1<sup>st</sup>/2<sup>nd</sup>-Order VCO-Based CTDSM With Rail-to-Rail Artifact Tolerance for Bidirectional Neural Interface Bi-directional brain machine interfaces enable simultaneous brain activity monitoring and neural modulation. However stimulation artifact can saturate instrumentation front-end, while con... | 1.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Class-D CMOS Oscillators. This paper presents class-D CMOS oscillators capable of an excellent phase noise performance from a very low power supply voltage. Starting from the recognition of the time-variant nature of the class-D LC tank, accurate expressions of the oscillation frequency, oscillation amplitude, current ... | Implicit Common-Mode Resonance in LC Oscillators. The performance of a differential LC oscillator can be enhanced by resonating the common mode of the circuit at twice the oscillation frequency. When this technique is correctly employed, Q-degradation due to the triode operation of the differential pair is eliminated a... | A Noise Circulating Oscillator This paper presents a noise circulating cross-coupled voltage-controlled oscillator (VCO) topology with a transformer-based tank. The introduced noise circulating active core greatly suppresses the effective noise power from the active devices while offering the same amount of negative re... | Design of Symmetrical Class E Power Amplifiers for Very Low Harmonic-Content Applications Class E power amplifier circuits are very suitable for high efficiency power amplification applications in the radio-frequency and microwave ranges. However, due to the inherent asymmetrical driving arrangement, they suffer signif... | Analysis of Circuit Noise and Non-Ideal Filtering Impact on Energy Detection Based Ultra-Low-Power Radios Performance. With the coming of age of the Internet of Things, demand on ultra-low power (ULP) radios will continue to boost tremendously. Circuit imperfections, especially in power hungry blocks, i.e., the local o... | A 3.36-GHz Locking-Tuned Type-I Sampling PLL With −78.6-dBc Reference Spur Merging Single-Path Reference-Feedthrough-Suppression and Narrow-Pulse-Shielding Techniques This brief describes a type-I analog sampling phase-locked loop (S-PLL) featuring reference-feedthrough-suppression and narrow-pulse-shielding techniques... | The Quadrature LC Oscillator: A Complete Portrait Based on Injection Locking We show that the quadrature LC oscillator is best treated as two strongly coupled, nominally identical oscillators that are locked to the same frequency. Differential equations that extend Adler's description of locking to strong injection... | A Reference-Less Single-Loop Half-Rate Binary CDR This paper proposes a half-rate single-loop reference-less binary CDR that operates from 8.5 Gb/s to 12.1 Gb/s (36% capture range). The high capture range is made possible by adding a novel frequency detection mechanism which limits the magnitude of the phase error betw... | Scratchpad memory: design alternative for cache on-chip memory in embedded systems In this paper we address the problem of on-chip memory selection for computationally intensive applications, by proposing scratch pad memory as an alternative to cache. Area and energy for different scratch pad and cache sizes are comput... | An Ultra-Wide-Band 0.4-10-Ghz Lna In 0.18-Mu M Cmos A two-stage ultra-wide-band CMOS low-noise amplifier (LNA). is presented. With the common-gate configuration employed as the input stage, the broad-band input matching is obtained and the noise does not rise rapidly at higher frequency. By combining the common-gate an... | Architecture Aware Partitioning Algorithms Existing partitioning algorithms provide limited support for load balancing simulations that are performed on heterogeneous parallel computing platforms. On such architectures, effec- tive load balancing can only be achieved if the graph is distributed so that it properly take... | Feature selection for medical diagnosis: Evaluation for cardiovascular diseases Machine learning has emerged as an effective medical diagnostic support system. In a medical diagnosis problem, a set of features that are representative of all the variations of the disease are necessary. The objective of our work is to pr... | Computing the Dynamic Diameter of Non-Deterministic Dynamic Networks is Hard. A dynamic network is a communication network whose communication structure can evolve over time. The dynamic diameter is the counterpart of the classical static diameter, it is the maximum time needed for a node to causally influence any othe... | Robust Biopotential Acquisition via a Distributed Multi-Channel FM-ADC. This contribution presents an active electrode system for biopotential acquisition using a distributed multi-channel FM-modulated analog front-end and ADC architecture. Each electrode captures one biopotential signal and converts to a frequency mod... | 1.0525 | 0.055 | 0.055 | 0.05 | 0.05 | 0.03 | 0.0125 | 0.0025 | 0 | 0 | 0 | 0 | 0 | 0 |
Type-2 Fuzzy Sets and Systems: An Overview [corrected reprint] As originally published in the February 2007 issue of IEEE Computational Intelligence Magazine, the above titled paper (ibid., vol. 2, no. 1, pp. 20-29, Feb 07) contained errors in mathematics that were introduced by the publisher. The corrected version is ... | Stability of switched positive linear systems with average dwell time switching. In this paper, the stability analysis problem for a class of switched positive linear systems (SPLSs) with average dwell time switching is investigated. A multiple linear copositive Lyapunov function (MLCLF) is first introduced, by which t... | A simple graph theoretic characterization of reachability for positive linear systems In this paper we consider discrete-time linear positive systems, that is systems defined by a pair (A,B) of non-negative matrices. We study the reachability of such systems which in this case amounts to the freedom of steering the sta... | High order α-planes integration: A new approach to computational cost reduction of General Type-2 Fuzzy Systems. Nowadays, there are different representations of Generalized Type-2 Fuzzy Sets that consider a non-uniform distribution of the uncertainty, for example, the Geometric approach, the Z-Slices method and the α-... | Finite-Time Consensus Tracking Neural Network FTC of Multi-Agent Systems The finite-time consensus fault-tolerant control (FTC) tracking problem is studied for the nonlinear multi-agent systems (MASs) in the nonstrict feedback form. The MASs are subject to unknown symmetric output dead zones, actuator bias and gain fau... | Robust fuzzy tracking control for robotic manipulators In this paper, a stable adaptive fuzzy-based tracking control is developed for robot systems with parameter uncertainties and external disturbance. First, a fuzzy logic system is introduced to approximate the unknown robotic dynamics by using adaptive algorithm. Ne... | A Survey of Reachability and Controllability for Positive Linear Systems. This paper is a survey of reachability and controllability results for discrete-time positive linear systems. It presents a variety of criteria in both algebraic and digraph forms for recognising these fundamental system properties with direct im... | GloMoSim: a library for parallel simulation of large-scale wireless networks Abstract Anumber,of library-based parallel ,and sequential network,simulators ,have ,been ,designed. This paper describes a library, called GloMoSim (for Global Mobile system Simulator), for parallel simulation of wireless networks. ... | TAG: a Tiny AGgregation service for ad-hoc sensor networks We present the Tiny AGgregation (TAG) service for aggregation in low-power, distributed, wireless environments. TAG allows users to express simple, declarative queries and have them distributed and executed efficiently in networks of low-power, wireless sensors... | On the evolution of user interaction in Facebook Online social networks have become extremely popular; numerous sites allow users to interact and share content using social links. Users of these networks often establish hundreds to even thousands of social links with other users. Recently, researchers have suggested ex... | The Quadrature LC Oscillator: A Complete Portrait Based on Injection Locking We show that the quadrature LC oscillator is best treated as two strongly coupled, nominally identical oscillators that are locked to the same frequency. Differential equations that extend Adler's description of locking to strong injection... | Permanent-magnets linear actuators applicability in automobile active suspensions Significant improvements in automobile suspension performance are achieved by active systems. However, current active suspension systems are too expensive and complex. Developments occurring in power electronics, permanent magnet material... | SPECS: A Lightweight Runtime Mechanism for Protecting Software from Security-Critical Processor Bugs Processor implementation errata remain a problem, and worse, a subset of these bugs are security-critical. We classified 7 years of errata from recent commercial processors to understand the magnitude and severity of th... | Power Efficiency Comparison of Event-Driven and Fixed-Rate Signal Conversion and Compression for Biomedical Applications Energy-constrained biomedical recording systems need power-efficient data converters and good signal compression in order to meet the stringent power consumption requirements of many applications. In... | 1.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.1 | 0.05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
An Optimized Driver for SiC JFET-Based Switches Enabling Converter Operation With More Than 99% Efficiency This paper presents the single channel galvanically isolated gate driver optimized for driving a normally-on silicon carbide junction field effect transistor (SiC JFET) also presented at ISSCC 2012 [1]. The idea o... | Stacked-Chip Implementation of On-Chip Buck Converter for Distributed Power Supply System in SiPs An on-chip buck converter which is implemented by stacking chips and suitable for on-chip distributed power supply systems is proposed. The operation of the converter with 3-D chip stacking is experimentally verified for t... | Redundant High-Density High-Efficiency Double-Conversion Uninterruptible Power System This paper presents a novel design for double-conversion uninterruptible power supply (UPS) systems that results in higher power density, higher efficiency, and more flexible parallelism for higher reliability. This design comprises a... | An 18 V Input 10 MHz Buck Converter With 125 ps Mixed-Signal Dead Time Control. A highly integrated synchronous buck converter with a predictive dead time control for input voltages >18 V with 10 MHz switching frequency is presented. A high resolution dead time of ~125 ps allows to reduce dead time dependent losses wit... | Fully Integrated Dual-Channel Gate Driver and Area Efficient PID Compensator for Surge Tolerant Power Sensor Interface This paper presents a power sensor interface (PSI) driving a wide range of load valves with coil resistance ranging from 5 Ω to 62.5 Ω. It can sustain voltage surges up to 115 V. An integrated high-vol... | Algebraic Series-Parallel-Based Switched-Capacitor DC-DC Boost Converter With Wide Input Voltage Range and Enhanced Power Density. This article presents an algebraic series-parallel (ASP) topology for fully integrated switched-capacitor (SC) dc-dc boost converters with flexible fractional voltage conversion ratios (VCR... | The Anatomy of the Grid: Enabling Scalable Virtual Organizations "Grid" computing has emerged as an important new field, distinguished from conventional distributed computing by its focus on large-scale resource sharing, innovative applications, and, in some cases, high performance orientation. In this article, the aut... | Chains of recurrences—a method to expedite the evaluation of closed-form functions Chains of Recurrences (CR's) are introduced as an effective method to evaluate functions at regular intervals. Algebraic properties of CR's are examined and an algorithm that constructs a CR for a given function is explained. Finally, an... | The PARSEC benchmark suite: characterization and architectural implications This paper presents and characterizes the Princeton Application Repository for Shared-Memory Computers (PARSEC), a benchmark suite for studies of Chip-Multiprocessors (CMPs). Previous available benchmarks for multiprocessors have focused on hig... | Side-Channel Leaks in Web Applications: A Reality Today, a Challenge Tomorrow With software-as-a-service becoming mainstream, more and more applications are delivered to the client through the Web. Unlike a desktop application, a web application is split into browser-side and server-side components. A subset of the app... | Linear Amplification with Nonlinear Components A technique for producing bandpass linear amplification with nonlinear components (LINC) is described. The bandpass signal first is separated into two constant envelope component signals. All of the amplitude and phase information of the original bandpass signal is contain... | Sensor network gossiping or how to break the broadcast lower bound Gossiping is an important problem in Radio Networks that has been well studied, leading to many important results. Due to strong resouce limitations of sensor nodes, previous solutions are frequently not feasible in Sensor Networks. In this paper, we st... | Towards elastic SDR architectures using dynamic task management. SDR platforms integrating several types and numbers of processing elements in System-on-Chips become an attractive solution for baseband processing in wireless systems. In order to cope with the diversity of protocol applications and the heterogeneity of ... | A Sub- $\mu$ W Reconfigurable Front-End for Invasive Neural Recording That Exploits the Spectral Characteristics of the Wideband Neural Signal This paper presents a sub-
<inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> <tex-math notation="LaTeX">$\mu \text{W}$ <... | 1.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.033333 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
A meter-range UWB transceiver chipset for around-the-head audio streaming Any around-the-body wireless system faces challenging requirements. This is especially true in the case of audio streaming around the head e.g. for wireless audio headsets or hearing-aid devices. The behind-the-ear device typically serves multipl... | Fundamental analysis of a car to car visible light communication system This paper presents a mathematical model for car-to-car (C2C) visible light communications (VLC) that aims to predict the system performance under different communication geometries. A market-weighted headlamp beam pattern model is employed. We con... | A CMOS pressure sensor tag chip for passive wireless applications. This paper presents a novel monolithic pressure sensor tag for passive wireless applications. The proposed pressure sensor tag is based on an ultra-high frequency RFID system. The pressure sensor element is implemented in the 0.18 mu m CMOS process and ... | A Low Cost UHF RFID System with OCA tag for Short Range Communication A UHF RF identification system, consisting of a fully integrated tag and a special reader, has been developed for short range and harsh size requirement applications. The system is fabricated in the standard 0.18μm CMOS process. The whole tag chip wi... | An Ultralow-Power Wake-Up Receiver Based on Direct Active RF Detection. An ultralow-power direct active RF detection wake-up receiver (WuRx) is presented. In order to reduce the power consumption and system complexity, a differential RF envelope detector is implemented in a complementary current-reuse architecture. The... | 0.56 V, –20 dBm RF-Powered, Multi-Node Wireless Body Area Network System-on-a-Chip With Harvesting-Efficiency Tracking Loop A battery-less, multi-node wireless body area network (WBAN) system-on-a-chip (SoC) is demonstrated. An efficiency tracking loop is proposed that adjusts the rectifier's threshold voltage to maxim... | High-Efficiency Differential-Drive CMOS Rectifier for UHF RFIDs A high-efficiency CMOS rectifier circuit for UHF RFIDs was developed. The rectifier has a cross-coupled bridge configuration and is driven by a differential RF input. A differential-drive active gate bias mechanism simultaneously enables both low ON-resist... | The GPU Computing Era GPU computing is at a tipping point, becoming more widely used in demanding consumer applications and high-performance computing. This article describes the rapid evolution of GPU architectures—from graphics processors to massively parallel many-core multiprocessors, recent developments in GPU com... | Searching in an unknown environment: an optimal randomized algorithm for the cow-path problem Searching for a goal is a central and extensively studied problem in computer science. In classical searching problems, the cost of a search function is simply the number of queries made to an oracle that knows the position of... | Pinning adaptive synchronization of a general complex dynamical network There are two challenging fundamental questions in pinning control of complex networks: (i) How many nodes should a network with fixed network structure and coupling strength be pinned to reach network synchronization? (ii) How much coupling streng... | Wireless communications in the twenty-first century: a perspective Wireless communications are expected to be the dominant mode of access technology in the next century. Besides voice, a new range of services such as multimedia, high-speed data, etc. are being offered for delivery over wireless networks. Mobility will ... | A decentralized modular control framework for robust control of FES-activated walker-assisted paraplegic walking using terminal sliding mode and fuzzy logic control. A major challenge to developing functional electrical stimulation (FES) systems for paraplegic walking and widespread acceptance of these systems is the d... | Understanding the regenerative comparator circuit The regenerative comparator circuit which lies at the heart of A/D conversion, slicer circuits, and memory sensing, is unstable, time-varying, nonlinear, and with multiple equilibria. That does not mean, as this paper shows, that it cannot be understood with simple equi... | A 12.6 mW, 573-2901 kS/s Reconfigurable Processor for Reconstruction of Compressively Sensed Physiological Signals. This article presents a reconfigurable processor based on the alternating direction method of multipliers (ADMM) algorithm for reconstructing compressively sensed physiological signals. The architecture i... | 1.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.1 | 0.02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
A generalized quadrature bandpass sampling in radio receivers Bandpass sampling (BPS) realizes frequency down-conversion by undersampling. Noise aliasing as the direct consequence of the lower sampling rate causes a performance degradation. In this paper, a generalized quadrature BPS (GQBPS) combined with a filter whic... | Generalized Bandpass Sampling with Complex FIR Filtering In this paper, generalized quadrature bandpass sampling (GQBPS) with complex FIR filtering is studied with respect to both noise and jitter. GQBPS is a type of nonuniform sampling, and has been extended to generalized uniform bandpass sampling (GUBPS). It is show... | Filtering transformation in Generalized Quadrature Bandpass Sampling. | Efficiently computing static single assignment form and the control dependence graph In optimizing compilers, data structure choices directly influence the power and efficiency of practical program optimization. A poor choice of data structure can inhibit optimization or slow compilation to the point that advanced opti... | Impossibility of distributed consensus with one faulty process The consensus problem involves an asynchronous system of processes, some of which may be unreliable. The problem is for the reliable processes to agree on a binary value. In this paper, it is shown that every protocol for this problem has the possibility of... | Threaded code The concept of “threaded code” is presented as an alternative to machine language code. Hardware and software realizations of it are given. In software it is realized as interpretive code not needing an interpreter. Extensions and optimizations are mentioned. | Quick detection of difficult bugs for effective post-silicon validation We present a new technique for systematically creating postsilicon validation tests that quickly detect bugs in processor cores and uncore components (cache controllers, memory controllers, on-chip networks) of multi-core System on Chips (SoCs). Su... | Deep Residual Learning for Image Recognition Deeper neural networks are more difficult to train. We present a residual learning framework to ease the training of networks that are substantially deeper than those used previously. We explicitly reformulate the layers as learning residual functions with reference to the l... | Estimating and sampling graphs with multidimensional random walks Estimating characteristics of large graphs via sampling is a vital part of the study of complex networks. Current sampling methods such as (independent) random vertex and random walks are useful but have drawbacks. Random vertex sampling may require too ... | Backwards-compatible array bounds checking for C with very low overhead The problem of enforcing correct usage of array and pointer references in C and C++ programs remains unsolved. The approach proposed by Jones and Kelly (extended by Ruwase and Lam) is the only one we know of that does not require significant manual... | Phoenix: Detecting and Recovering from Permanent Processor Design Bugs with Programmable Hardware Although processor design verification consumes ever-increasing resources, many design defects still slip into production silicon. In a few cases, such bugs have caused expensive chip recalls. To truly improve productivity... | Design of ultra-wide-load, high-efficient DC-DC buck converters The paper presents the design of a current-mode control DC-DC buck converter with pulse-width modulation (PWM) mode. The converter achieves a current load ranged from 50 mA to 500 mA over 90% efficiency, and the maximum power efficiency is 95.6%, where the... | Conductance modulation techniques in switched-capacitor DC-DC converter for maximum-efficiency tracking and ripple mitigation in 22nm Tri-gate CMOS Active conduction modulation techniques are demonstrated in a fully integrated multi-ratio switched-capacitor voltage regulator with hysteretic control, implemented in 22nm... | A Heterogeneous PIM Hardware-Software Co-Design for Energy-Efficient Graph Processing Processing-In-Memory (PIM) is an emerging technology that addresses the memory bottleneck of graph processing. In general, analog memristor-based PIM promises high parallelism provided that the underlying matrix-structured crossbar ca... | 1.0975 | 0.05 | 0.05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Finite-time stochastic synchronization of dynamic networks with nonlinear coupling strength via quantized intermittent control This paper considers the finite-time synchronization of dynamic networks with nonlinear coupling strength and stochastic perturbations by using intermittent control. Since it is difficult to es... | Finite-time stabilization by state feedback control for a class of time-varying nonlinear systems. In this paper, finite-time stabilization is considered for a class of nonlinear systems dominated by a lower-triangular model with a time-varying gain. Based on the finite-time Lyapunov stability theorem and dynamic gain ... | Robust stability of hopfield delayed neural networks via an augmented L-K functional. This paper focuses on the issue of robust stability of artificial delayed neural networks. A free-matrix-based inequality strategy is produced by presenting an arrangement of slack variables, which can be optimized by means of existin... | Finite-time stabilization for a class of nonlinear systems via optimal control. In general, finite-time stabilization techniques can always stabilize a system if control cost is not considered. Considering the fact that control cost is a very important factor in control area, we investigate finite-time stabilization pr... | A Unified Framework Design for Finite-Time and Fixed-Time Synchronization of Discontinuous Neural Networks. In this article, the problems of finite-time/fixed-time synchronization have been investigated for discontinuous neural networks in the unified framework. To achieve the finite-time/fixed-time synchronization, a ... | Existence and uniform stability analysis of fractional-order complex-valued neural networks with time delays. This paper deals with the problem of existence and uniform stability analysis of fractional-order complex-valued neural networks with constant time delays. Complex-valued recurrent neural networks is an extensi... | Finite-time synchronization of nonidentical BAM discontinuous fuzzy neural networks with delays and impulsive effects via non-chattering quantized control •Two new inequalities are developed to deal with the mismatched coefficients of the fuzzy part.•A simple but robust quantized state feedback controller is designed t... | The Anatomy of the Grid: Enabling Scalable Virtual Organizations "Grid" computing has emerged as an important new field, distinguished from conventional distributed computing by its focus on large-scale resource sharing, innovative applications, and, in some cases, high performance orientation. In this article, the aut... | Cellular Logic-in-Memory Arrays As a direct consequence of large-scale integration, many advantages in the design, fabrication, testing, and use of digital circuitry can be achieved if the circuits can be arranged in a two-dimensional iterative, or cellular, array of identical elementary networks, or cells. When a smal... | On implementing omega with weak reliability and synchrony assumptions We study the feasibility and cost of implementing Ω---a fundamental failure detector at the core of many algorithms---in systems with weak reliability and synchrony assumptions. Intuitively, Ω allows processes to eventually elect a common leader. We ... | Bandwidth-efficient management of DHT routing tables Today an application developer using a distributed hash table (DHT) with n nodes must choose a DHT protocol from the spectrum between O(1) lookup protocols [9, 18] and O(log n) protocols [20-23, 25, 26]. O(1) protocols achieve low latency lookups on small or low-chur... | Analysis and Design of Passive Polyphase Filters Passive RC polyphase filters (PPFs) are analyzed in detail in this paper. First, a method to calculate the output signals of an n-stage PPF is presented. As a result, all relevant properties of PPFs, such as amplitude and phase imbalance and loss, are calculated. The rul... | High Frequency Buck Converter Design Using Time-Based Control Techniques Time-based control techniques for the design of high switching frequency buck converters are presented. Using time as the processing variable, the proposed controller operates with CMOS-level digital-like signals but without adding any quantizatio... | Neuropixels Data-Acquisition System: A Scalable Platform for Parallel Recording of 10,000+ Electrophysiological Signals. Although CMOS fabrication has enabled a quick evolution in the design of high-density neural probes and neural-recording chips, the scaling and miniaturization of the complete data-acquisition system... | 1.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
A fundamental control performance limit for a class of positive nonlinear systems. A fundamental performance limit is derived for a class of positive nonlinear systems. The performance limit describes the achievable output response in the presence of a positive disturbance and subject to a sign constraint on the allowa... | Network-based static output feedback tracking control for fuzzy-model-based nonlinear systems This paper is concerned with network-based static output feedback tracking control for a class of nonlinear systems that can not be stabilized by a static output feedback controller without a time-delay, but can be stabilized ... | Type-2 Fuzzy Sets and Systems: An Overview [corrected reprint] As originally published in the February 2007 issue of IEEE Computational Intelligence Magazine, the above titled paper (ibid., vol. 2, no. 1, pp. 20-29, Feb 07) contained errors in mathematics that were introduced by the publisher. The corrected version is ... | A simple graph theoretic characterization of reachability for positive linear systems In this paper we consider discrete-time linear positive systems, that is systems defined by a pair (A,B) of non-negative matrices. We study the reachability of such systems which in this case amounts to the freedom of steering the sta... | Observer-based Fuzzy Adaptive Inverse Optimal Output Feedback Control for Uncertain Nonlinear Systems In this article, an observer-based fuzzy adaptive inverse optimal output feedback control problem is studied for a class of nonlinear systems in strict-feedback form. The considered nonlinear systems contain unknown no... | Fuzzy Secure Control for Nonlinear <inline-formula><tex-math notation="LaTeX">$N$</tex-math></inline-formula>-D Parabolic PDE-ODE Coupled Systems Under Stochastic Deception Attacks This article focuses on the design of fuzzy secure control for a class of coupled systems, which are modeled by a nonlinear
<inline-formul... | On Linear Copositive Lyapunov Functions and the Stability of Switched Positive Linear Systems We consider the problem of common linear copositive function existence for positive switched linear systems. In particular, we present a necessary and sufficient condition for the existence of such a function for switched syst... | Evolutionary Fuzzy Control and Navigation for Two Wheeled Robots Cooperatively Carrying an Object in Unknown Environments This paper presents a method that allows two wheeled, mobile robots to navigate unknown environments while cooperatively carrying an object. In the navigation method, a leader robot and a follower r... | Directed diffusion: a scalable and robust communication paradigm for sensor networks Advances in processor, memory and radio technology will enable small and cheap nodes capable of sensing, communication and computation. Networks of such nodes can coordinate to perform distributed sensing of environmental phenomena. In... | A general theory of phase noise in electrical oscillators A general model is introduced which is capable of making accurate, quantitative predictions about the phase noise of different types of electrical oscillators by acknowledging the true periodically time-varying nature of all oscillators. This new approach also e... | A new class of asynchronous A/D converters based on time quantization This work is a contribution to a drastic change in standard signal processing chains. The main objective is to reduce the power consumption by one or two orders of magnitude. Integrated Smart Devices and Communicating Objects are application domains ... | Observability, Reconstructibility and State Observers of Boolean Control Networks The aim of this paper is to introduce and characterize observability and reconstructibility properties for Boolean networks and Boolean control networks, described according to the algebraic approach proposed by D. Cheng and co-authors in... | GP-SIMD Processing-in-Memory GP-SIMD, a novel hybrid general-purpose SIMD computer architecture, resolves the issue of data synchronization by in-memory computing through combining data storage and massively parallel processing. GP-SIMD employs a two-dimensional access memory with modified SRAM storage cells and a bit-... | A Bidirectional Neural Interface IC With Chopper Stabilized BioADC Array and Charge Balanced Stimulator. We present a bidirectional neural interface with a 4-channel biopotential analog-to-digital converter (bioADC) and a 4-channel current-mode stimulator in 180 nm CMOS. The bioADC directly transduces microvolt biopote... | 1.1056 | 0.1056 | 0.1 | 0.1 | 0.1 | 0.1 | 0.036667 | 0.01 | 0 | 0 | 0 | 0 | 0 | 0 |
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