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6.3.8 Sidetone delay
Requirement: The maximum sidetone-round-trip delay shall be ≤ 5 ms, measured in an echo-free setup. Measurement Method: The handset or headset terminal is setup as described in clause 6.2. The handset is mounted in the HATS position (see Recommendation ITU-T P.64 [23]). The test signal is a CS-signal complying with Rec...
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6.3.9 Terminal Coupling Loss (TCL)
Requirement: The TCL measured as unweighted Echo Loss shall be ≥ 46 dB for all positions of the volume control (if supplied). NOTE: A TCL ≥ 50 dB is recommended as a performance objective. Depending on the idle channel noise in the sending direction, it may not always be possible to measure an echo loss ≥ 50 dB. ETSI E...
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6.3.10 Stability loss
Requirement With the handset lying on and the transducers facing a hard surface, the attenuation from the digital input to the digital output shall be at least 6 dB at all frequencies in the range of 50 Hz to 16 kHz for super-wideband and 20 to 20 kHz for Fullband. In case of headsets the requirement applies for the cl...
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6.4 Receive parameters
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6.4.1 Equalization
This type of terminal may be used for reproduction of signals other than pure speech (e.g. music) for which user's preference may be different in term of sound signature. So the terminal may implement an equalization function adjusting frequency response according to user's preferences. When such a function is availabl...
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6.4.2 Receive Frequency response
Requirement: The receive frequency response of the handset or the headset shall be within a mask as defined in table 8 for SWB and table 9 for FB, and shown in figure 7 for SWB and figure 8 for FB. ETSI ETSI TS 102 924 V1.2.1 (2018-03) 30 Table 8: Super-wideband receive frequency response limits Frequency Upper Limit L...
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6.4.3 Receive Loudness Rating (monaural reproduction)
Requirement: When terminal implements Wideband speech functions or when the super-wideband/fullband functions may interact with wideband terminals, the terminal shall fulfil the requirements on RLR as defined in ETSI ES 202 739 [12], clause 7.1.7. Measurement Method: The test signal to be used for the measurements shal...
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6.4.4 RLR for stereo/dichotic reproduction
For further study.
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6.4.5 Loudness
For further study.
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6.4.6 Receive Distortion
Requirement: The ratio of signal to harmonic distortion shall be above the following mask. ETSI ETSI TS 102 924 V1.2.1 (2018-03) 33 Table 10: Receive distortion for super-wideband Frequency Signal to distortion ratio limit, receiving 100 Hz 24 dB 315 Hz 26 dB 400 Hz 30 dB 500 Hz 30 dB 800 Hz 30 dB 1 kHz 30 dB 2 kHz 30 ...
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6.4.7 Minimum activation level and sensitivity in Receive direction
For further study.
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6.4.8 Receive Noise
Requirement: Telephone sets with adjustable receive levels shall be adjusted so that the RLR is as close as possible to the nominal RLR. ETSI ETSI TS 102 924 V1.2.1 (2018-03) 34 The receive noise shall be less than -57 dBPa(A). Where a volume control is provided, the measured noise shall not be greater than -54 dBPa(A)...
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6.4.9 Automatic level control in receiving
For further study.
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6.4.10 Double talk performance
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6.4.10.1 General
During double talk the speech is mainly determined by 2 parameters: impairment caused by echo during double talk and level variation between single and double talk (attenuation range). In order to guarantee sufficient quality under double talk conditions the talker Echo Loudness Rating (ELR) should be high and the atte...
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6.4.10.2 Attenuation range in send direction during double talk AH,S,dt
Requirement Based on the level variation in send direction during double talk AH,S,dt the behaviour of the terminal can be classified according to table 12. ETSI ETSI TS 102 924 V1.2.1 (2018-03) 35 Table 12 Category (according to Rec. ITU-T P.340 [30]) 1 2a 2b 2c 3 Full Duplex Capability Partial Duplex Capability No Du...
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6.4.10.3 Attenuation range in receive direction during double talk AH,R,dt
Requirement Based on the level variation in receive direction during double talk AH,R,dt the behaviour of the terminal can be classified according to table 13. ETSI ETSI TS 102 924 V1.2.1 (2018-03) 36 Table 13 Category (according to Rec. ITU-T P.340 [30]) 1 2a 2b 2c 3 Full duplex capability Partial duplex capability Fu...
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6.4.10.4 Detection of echo components during double talk
Requirement Echo Loss during double talk is the echo suppression provided by the terminal during double talk measured at the electrical reference point. NOTE: The echo attenuation during double talk is based on the parameter Talker Echo Loudness Rating (TELRdt). It is assumed that the terminal at the opposite end of th...
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6.4.11 Switching characteristics
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6.4.11.1 Note
NOTE: Additional requirements may be needed in order to further investigate the effect of NLP implementations on the users' perception of speech quality. ETSI ETSI TS 102 924 V1.2.1 (2018-03) 38
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6.4.11.2 Activation in send direction
The activation in send direction is mainly determined by the built-up time Tr,S,min and the minimum activation level (LS,min). The minimum activation level is the level required to remove the inserted attenuation in send direction during idle mode. The built-up time is determined for the test signal burst which is appl...
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6.4.11.3 Silence suppression and comfort noise generation
Requirements and measurement methods are for further study. NOTE: In general it is not recommended to use silence suppression at all.
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6.4.12 Speech and audio quality in presence of noise
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6.4.12.1 Performance in send in the presence of background noise
Requirement The level of comfort noise shall be within in a range of +2 dB to -5 dB compared to the original (transmitted) background noise. The noise level is calculated with psophometric weighting. NOTE 1: It is advisable that the comfort noise matches the original signal as good as possible (from a perceptional poin...
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6.4.12.2 Speech quality in the presence of background noise
Requirement Speech Quality for super-wideband and fullband systems can be tested based on ETSI TS 103 281 [28]. For the background noises defined in clause 6.2 the following requirements apply: • N-MOS-LQOf ≥ 3,5. • S-MOS-LQOf ≥ 4. • G-MOS-LQOf ≥ 3,5. NOTE: It is recommended to test the terminal performance with other ...
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6.4.12.3 Quality of background noise transmission (with far end speech)
Requirement The test is carried out applying a speech signal in receive direction. During and after the end of the speech signal the signal level in send direction should not vary more than 10 dB (during transition to transmission of background noise without far end speech). The measurement is conducted for all types o...
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6.4.13 Quality of echo cancellation
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6.4.13.1 Temporal echo effects
Requirement This test is intended to verify that the system will maintain sufficient echo attenuation during single talk. The measured echo attenuation during single talk should not decrease by more than 6 dB from the maximum echo attenuation measured. Measurement method The test arrangement is according to clause 6.2....
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6.4.13.2 Spectral echo attenuation
Requirement The echo attenuation versus frequency shall be below the tolerance mask given in table 18. Table 18: Echo attenuation limits Frequency Limit 100 Hz -41 dB 1 300 Hz -41 dB 3 450 Hz -46 dB 5 200 Hz -46 dB 7 500 Hz -37 dB 8 000 Hz -37 dB NOTE: The limit at intermediate frequencies lies on a straight line drawn...
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6.4.13.3 Occurrence of artefacts
For further study.
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6.4.13.4 Variable echo path
Requirement This test is intended to verify that the system will maintain sufficient echo attenuation during single talk with dynamic changing echo paths. The measured echo level over time during single talk should not be more than 10 dB above the minimum noise level during the measurement. Measurement method The test ...
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6.4.14 Variant impairments; network dependant
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6.4.14.1 Clock accuracy send
Requirement The clock accuracy in send direction between the VoIP-Terminal and the IP reference interface shall be less than 150 ppm under ideal network conditions. NOTE: The clock accuracy does not cover all possible network configurations. Especially it is not sufficient for data transmission or distributed TDM PBX w...
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6.4.14.2 Clock accuracy receive
Requirement The clock accuracy in receive direction between the IP reference interface and the VoIP-Terminal shall be less than 150 ppm under ideal network conditions. Measurement method A sequence of CS signals (active signal length = 250 ms) is repeated for 120 s in order to analyse clock accuracy and any other time-...
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6.4.14.3 Send packet delay variation
Requirement The measured maximum delay variation of RTP packets in send direction of the VoIP-terminal under test should be less than 1 ms. NOTE: Any delay variation of RTP packets introduced in send direction will lead to potentially increased delay due to increased de-jitter buffer at the far end terminal. Measuremen...
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6.4.15 Send and receive delay - round trip delay
The roundtrip delay of a VoIP-terminal is defined as the sum of send and receive delays. In the following clauses the calculation of the requirements for send and receive delay are explained. For a telecommunication connection, only the roundtrip delay can be experienced. For this reason, also the requirement for VoIP-...
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6.5 Other parameters
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6.5.1 Objective listening quality
Requirement For further study. Measurement method Objective listening speech quality is measured using Recommendation ITU-T P.863 [14] in fullband mode. The test signal to be used for the measurements shall be 4 sentence pairs (male/female) fulfilling the requirements of Recommendation ITU-T P.863.1 [32]. The 4 sentenc...
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6.5.2 Quality of jitter buffer adjustment
Requirements The speech quality during and after inserted IP delay variation shall be as follows: Table 20: Requirements for variant network impairments Codec MOS-LQOf VoLTE (IMS) ETSI TS 126 441 [26] > 3,8 Recommendation ITU-T G.722.1 [7], annex C > 3,8 Recommendation ITU-T G.729.1 [8], annex E (extension SWB) > 3,8 R...
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1 Scope
The present document defines a repository of a set of data elements and data element sets, denoted as data frames, that are commonly used in the ITS applications and facilities layer messages. Each data element is defined with a set of attributes, enabling the identification of the data element in question in a number ...
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2 References
References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the referenced document (including any amendments) applies. Referenced documents which a...
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2.1 Normative references
The following referenced documents are necessary for the application of the present document. [1] Recommendation ITU-T X.680: "Information technology - Abstract Syntax Notation One (ASN.1): Specification of basic notation". [2] ISO 8855: "Road vehicles -- Vehicle dynamics and road-holding ability -- Vocabulary". [3] CE...
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2.2 Informative references
The following referenced documents are not necessary for the application of the present document but they assist the user with regard to a particular subject area. [i.1] ETSI TR 102 638 (V1.1.1): "Intelligent Transport Systems (ITS); Vehicular Communications; Basic Set of Applications; Definitions". [i.2] ETSI EN 302 6...
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3 Definitions and abbreviations
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3.1 Definitions
For the purposes of the present document, the following terms and definitions apply: bounding box: rectangular shape covering all parts of an empty load vehicle projected from top view NOTE: The empty load vehicle is defined in ISO 1176 [i.9], clause 4.6. data element: data type that contains one single data data frame...
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3.2 Abbreviations
For the purposes of the present document, the following abbreviations apply: ABS Anti-lock Braking System ACC Adaptive Cruise Control AEB Autonomous Emergency Braking ASN Abstract Syntax Notation ASN.1 Abstract Syntax Notation One CAM Cooperative Awareness Message CAN Controller Area Network CEN European Committee for ...
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4 ITS data dictionary structure
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4.1 Introduction
The ITS data dictionary is a repository that includes a list of data elements (DE) and data frames (DF) that represent data as well as information necessary for the realization of ITS applications and ITS facilities. A DE/DF may be used to construct ITS facilities layer or ITS applications layer messages, if needs are ...
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4.2 Attributes for DE/DF identification
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4.2.1 Descriptive name
This attribute provides a descriptive name of the DE or DF. The descriptive name shall be identical as being used in the messages specifications such as ETSI EN 302 637-2 [i.2] and ETSI EN 302 637-3 [i.3]. It shall also be unique within the common data dictionary. Furthermore, the descriptive name may be used in other ...
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4.2.2 Identifier
This attribute provides a unique identifier of the defined DE or DF. It always starts with the term "DataType" followed by a sequence number as unique identifier. In the present document a three digits sequence number is used. NOTE: The identifier of a DataType is applicable within the present document, it may also be ...
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4.2.3 ASN.1 representation
This attribute provide the ASN.1 representation of the defined DE or DF. The ASN.1 definition shall follow the specifications as defined in Recommendation ITU-T X.680 [1]. The ASN.1 type name shall be identical to the descriptive name.
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4.3 Attributes for DE/DF definition
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4.3.1 Definition
This attribute provides a textual explication of the defined DE or DF.
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4.3.2 Category
This attribute indicates the category that DE or DF in question belongs to. Currently, the following categories are defined: • Vehicle information: the DE or DF describes one or a set of in vehicle data. • GeoReference information: the DE or DF provides geographical description of the data. • Road topology information:...
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4.3.3 Unit
The applied unit for the data, if necessary. ETSI ETSI TS 102 894-2 V1.2.1 (2014-09) 13 Annex A (normative): Data type specifications A.1 DE_AccelerationConfidence Descriptive Name AccelerationConfidence Identifier DataType_ 1 ASN.1 representation AccelerationConfidence ::= INTEGER {pointOneMeterPerSecSquared(1), outOf...
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1 Scope
The present document specifies rules to the copper RJ45 ENTI in the case of copper access network.
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2 References
References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the reference document (including any amendments) applies. Referenced documents which ar...
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2.1 Normative references
The following referenced documents are necessary for the application of the present document. [1] CENELEC EN 60603-7 (all sub-parts): "Connectors for electronic equipment -- Part 7: Detail specification for 8-way, unshielded, free and fixed connectors". [2] CENELEC EN 50441-1: "Cables for indoor residential telecommuni...
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2.2 Informative references
The following referenced documents are not necessary for the application of the present document but they assist the user with regard to a particular subject area. [i.1] Miniature 6-position plug as described in FCC 47, CFR 68.500: "Code of Federal Regulations (USA); Title 47 Telecommunication; Chapter 1 Federal Commun...
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3 Definitions and abbreviations
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3.1 Definitions
For the purposes of the present document, the following terms and definitions apply: distribution space: location in the customer premise enclosing physical telecommunication interfaces, normally lockable that may house the home distributor and associated equipment
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3.2 Abbreviations
For the purposes of the present document, the following abbreviations apply: ENTI External Network Testing Interface HD Home Distributor HDMI High Definition Multimedia Interface POTS Plain Old Telephone Service STB Set Top Box VoIP Voice over IP xDSL Digital Subscriber Line ETSI ETSI TS 102 872 V1.1.1 (2010-07) 7
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4 Functional characteristics
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4.1 Functional Diagram of the ENTI
Figure 1 shows the diagram of the copper RJ45 ENTI. Drop cable Home Wiring Branch 1 Branch 2 TEST MODULE P0 JACK Figure 1: Functional diagram of RJ45 ENTI
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4.2 Copper ENTI location
The location of the copper ENTI is inside the distribution space within the Home Distributor (HD) as shown in figure 2. Figure 2: Copper RJ45 ENTI within the distribution space ETSI ETSI TS 102 872 V1.1.1 (2010-07) 8
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4.3 Test interface
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4.3.1 Generalities
The test outlet is located in the front of the ENTI, it is called P0 jack. In normal use (no insertion in P0), the ENTI ensures continuity between the line of the operator's network and the customer's wiring. The separation of the network with customer's wiring and the establishment of the communication on P0 is obtain...
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4.3.2 RJ45 connection
The P0 jack has the same dimensions as defined in EN 60603-7 [1]. It is designed to allow the insertion of RJ45 plug in accordance with EN 60603-7 [1] and RJ11 plug in accordance with FCC 47 C F R Ch [i.1]. The line is connected on pins 4 and 5 of P0.
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5 Particular characteristics
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5.1 Environmental conditions
The environmental conditions of these materials are those applicable to the equipment of telecommunications in service, at fixed station, in sites protected from the bad weather, at partially controlled temperature: classify 3.2 of ETS 300 019-1-3 [12].
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5.2 Installation and dimensioning
The ENTI is designed: • To be able to be fixed on a wall. • To be able to be fixed on DIN rail of 35 mm. • To have an attachment unit allowing horizontal/vertical adjustment. • Not to require specific tools for installation. • To form part of a maximum volume of 100 × 100 × 35 mm. • To ensure a protection against wet w...
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5.4 Connection of the customer's cable
The ENTI is designed: • To allow the connection of two branches of customer wiring (two connected directions, two connected wires). • To accept IDC (Insulated Displacement Connector) with a wire of gauge diameter from 0,5 mm to 0,8 mm. • To accept the various types of cables of following standards: - EN 50441-1 [2]; - ...
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5.5 Test module
The ENTI is designed to be equipped with a test module.
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5.6 Test point and electrical measurements
The ENTI is designed to allow the following tests: • To be able to measure the tension between wires of the line at the connection of the access cable and at the connection of the customer's cable(s). • To measure the continuity of the device without connected cable (removed cover). • To measure the continuity of the d...
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5.7 Miscellaneous
The inscription "TEST" or another symbol is present beside the P0 jack.
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5.8 Documentation
In each package of ENTI, documentation will be provided including a technical note of installation and a technical note of exploitation and maintenance. ETSI ETSI TS 102 872 V1.1.1 (2010-07) 10
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5.9 Recycling
The ENTI is designed: • To limit the number of components and materials. • To support the concept facilitating the recycling of materials. • To provide the indications necessary for the recycling of the material at the end of the lifetime. • To provide a mechanical protection of the connector industry (case). • To resp...
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6 Test Board
The purpose of the tests described hereafter, applicable to copper ENTI RJ45 are to allow the checking of all the design features required in the present specification. Table 6.1: Tests applicable to copper RJ45 ENTI and housing Tests to carry out Standards or Specifications Sanctions Visual inspections and controls Fo...
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1 Scope
The present document specifies the Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma for the test specifications for the methods to ensure coexistence of cooperative ITS G5 with RTTT DSRC as specified in TS 102 792 [i.1] and ES 202 663 [1] in compliance with th...
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2 References
References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the reference document (including any amendments) applies. Referenced documents which ar...
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2.1 Normative references
The following referenced documents are necessary for the application of the present document. [1] ETSI ES 202 663: "Intelligent Transport Systems (ITS); European profile standard for the physical and medium access control layer of Intelligent Transport Systems operating in the 5 GHz frequency band". [2] ETSI TS 102 916...
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2.2 Informative references
The following referenced documents are not necessary for the application of the present document but they assist the user with regard to a particular subject area. [i.1] ETSI TS 102 792: "Intelligent Transport Systems (ITS); Mitigation techniques to avoid interference between European CEN Dedicated Short Range Communic...
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3 Definitions and abbreviations
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3.1 Definitions
For the purposes of the present document, the terms and definitions given in ISO/IEC 9646-7 [4], TS 102 792 [i.1] and ES 202 663 [1] apply.
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3.2 Abbreviations
For the purposes of the present document, the abbreviations given in ISO/IEC 9646-1 [3], ISO/IEC 9646-7 [4], TS 102 792 [i.1] and ES 202 663 [1] apply.
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4 ATS conventions
Test purposes of the present document address the mitigation techniques to avoid interference between European CEN Dedicated Short Range Communication (RTTT DSRC) equipment and Intelligent Transport Systems (ITS) operating in the 5 GHz frequency range.
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4.1 Test Architecture
The test architecture defined in figure 1 applies. The communication covered by the test purposes of TS 102 916-2 [2] address the exchange of frames over the physical radio connection between an OBU and an RSU. As the actual frame exchange is only available in the form of recorded trace files the test system has been m...
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4.2 ATS structure
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4.2.1 Test case grouping
The ATS structure is based on the Test Purposes for mitigation techniques to avoid interference between European CEN Dedicated Short Range Communication (RTTT DSRC) equipment and Intelligent Transport Systems (ITS) operating in the 5 GHz frequency range as defined in TS 102 916-2 [2]. RSU OBU Physical Radio Connection ...
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4.2.2 Test case identifiers
The test case names are built up according to the following scheme: "<TC>"_"<Group index>"_"<TC number>" NOTE: This naming scheme provides a 1-1 correspondence of TP identifiers as defined in TS 102 916-2 [2] and test case names. The TP identifier of TC_CAL_01 is TP_CAL_01. The test cases have been divided according to...
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4.3 Test Result Presentation
The results of one test run, i.e. for one duty cycle measurement point will be stored in one log file. Each log file will typically contain several hundred transactions. The test case granularity is defined to be one test case per transaction in the trace file. The TTCN‐3 test architecture design with the inclusion of ...
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4.3.1 Results per transaction
Per transaction in the file the following result data is recorded: • Chronological number of the transaction within the trace file (count starts with 0). • Time length of the transaction in ms. • Number of empty uplink frames from OBU to RSU. The TTCN‐3 test suite assigns a PASS verdict when the following conditions ar...
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4.3.2 Results per trace file
For each log file (duty cycle) further evaluation information will be provided: • Power Level. • Name of the OBU under test. • Total number of transactions in the trace file. • Minimum transaction duration. • Maximum transaction duration. ETSI ETSI TS 102 916-3 V1.1.1 (2012-05) 9 • Average transaction duration. • Numbe...
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102 871-2
1 Scope
The present document provides the Test Suite Structure and Test Purposes (TSS & TP) for ITS GeoNetworking as defined in ETSI EN 302 636-4-1[1] and ETSI TS 103 836-4-1 [5] in compliance with the relevant requirements and in accordance with the relevant guidance given in ISO/IEC 9646-7 [i.4]. The ISO standard for the met...
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2 References
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2.1 Normative references
References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the referenced document (including any amendments) applies. Referenced documents which a...
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2.2 Informative references
References are either specific (identified by date of publication and/or edition number or version number) or non specific. For specific references, only the cited version applies. For non-specific references, the latest version of the referenced document (including any amendments) applies. ETSI ETSI TS 102 871-2 V2.1....
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3 Definition of terms, symbols and abbreviations
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3.1 Terms
For the purposes of the present document, the terms given in ETSI EN 302 636-4-1 [1], ISO/IEC 9646-1 [i.2], ISO/IEC 9646-7 [i.4] and the following apply: ItsNode: node that implements GeoAdhoc router functionality by ETSI EN 302 636-4-1 [1] neighbour: ItsNode is in direct (single-hop) communication range "to be in dire...