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215933479751513f1e1cea9999cc3ad9 | 103 379 | 7.17 Aperiodic | The Aperiodic IE contains the parameters defining an unconstrained time schedule with multiple idle-operational transitions for a given zone. This structure is also used to indicate simpler operations e.g.: • A start-only indication may be signalled by setting N to "1" and including a single Start Time. • A stop-only i... |
215933479751513f1e1cea9999cc3ad9 | 103 379 | 7.18 Time | value for first transition to operational. Stop Time 2 O value for first transition to idle. Start Time 3 O value for next transition to operational. Stop Time 4 O value for next transition to idle. … … … … Start Time (N-1) O value for last transition to operational. Stop Time N O value for last transition to idle. ETS... |
215933479751513f1e1cea9999cc3ad9 | 103 379 | 7.19 Day Schedule | The Day Schedule IE contains the parameters defining an unconstrained time schedule within one day (to be repeated on a daily basis). Table 7.19-1 Name Presence Type or reference Description Number of time of day values M INTEGER (1..1 024) Identifies the number N of time of day values. Time of day value 1 M 7.23 Time ... |
215933479751513f1e1cea9999cc3ad9 | 103 379 | 7.20 Week Schedule | The Week Schedule IE contains the parameters defining an unconstrained time schedule within one week (to be repeated on a weekly basis). Table 7.20-1 Name Presence Type or reference Description Number of time of week values M INTEGER (1..1 024) Identifies the number N of time of week values. Time of week value 1 M 7.24... |
215933479751513f1e1cea9999cc3ad9 | 103 379 | 7.21 Month Schedule | The Month Schedule IE contains the parameters defining an unconstrained time schedule within one month (to be repeated on a monthly basis). Table 7.21-1 Name Presence Type or reference Description Number of time of month values M INTEGER (1..1 024) Identifies the number N of time of month values. Time of month value 1 ... |
215933479751513f1e1cea9999cc3ad9 | 103 379 | 7.22 Year Schedule | The Year Schedule IE contains the parameters defining an unconstrained time schedule within one year (to be repeated on a yearly basis). Table 7.22-1 Name Presence Type or reference Description Number of time of year values M INTEGER (1..1 024) Identifies the number N of time of year values. Time of year value 1 M 7.26... |
215933479751513f1e1cea9999cc3ad9 | 103 379 | 7.23 Time of Day | The Time of Day IE contains time information within a 24 hour period. Table 7.23-1 Name Presence Type or reference Description Hour M INTEGER (0..23) Minute M INTEGER (0..59) Second O INTEGER (0..59) ETSI ETSI TS 103 379 V1.1.1 (2017-01) 32 |
215933479751513f1e1cea9999cc3ad9 | 103 379 | 7.24 Time of Week | The Time of Week IE contains time information within a 7 day period. Table 7.24-1 Name Presence Type or reference Description Day M INTEGER (1..7) Value "1" represents Monday. Hour M INTEGER (0..23) Minute M INTEGER (0..59) Second O INTEGER (0..59) |
215933479751513f1e1cea9999cc3ad9 | 103 379 | 7.25 Time of Month | The Time of Month IE contains time information within a month's period. Any events occurring after month end in a particular month (e.g. on the 30th day of February) are deemed to happen on the last minute of the month. Table 7.25-1 Name Presence Type or reference Description Date M INTEGER (1..31) Hour M INTEGER (0..2... |
215933479751513f1e1cea9999cc3ad9 | 103 379 | 7.26 Time of Year | The Time of Year IE contains time information within a year's period. Table 7.26-1 Name Presence Type or reference Description Month M INTEGER (1..12) Date M INTEGER (1..31) Hour M INTEGER (0..23) Minute M INTEGER (0..59) Second O INTEGER (0..59) |
215933479751513f1e1cea9999cc3ad9 | 103 379 | 7.27 Confirmed Zone List | The Confirmed Zone List IE contains a list of Zone confirmations. Table 7.27-1 Name Presence Type or reference Description Number of zones M INTEGER (1.. 1 024) Identifies the number of zones N in the Confirmed Zone List IE. Zone Confirmation 1 M 7.28 Confirmation information for first zone. Zone Confirmation 2 O 7.28 ... |
215933479751513f1e1cea9999cc3ad9 | 103 379 | 7.28 Zone Confirmation | The Zone Confirmation IE contains the Zone ID and Configuration Index of a zone to be confirmed, and associated confirmation information. Table 7.28-1 Name Presence Type or reference Description Zone ID M 7.40 Identifies the zone ID. Zone Configuration Index M 7.29 Identifies the specific configuration of the zone that... |
215933479751513f1e1cea9999cc3ad9 | 103 379 | 7.29 Zone Configuration Index | The Zone Configuration Index IE contains the Zone Configuration Index of a zone. Table 7.29-1 Name Presence Type or reference Description Zone Configuration Index M INTEGER (0..127) Identifies the configuration of the zone. |
215933479751513f1e1cea9999cc3ad9 | 103 379 | 7.30 Message Type | The Message Type IE contains information used to identify the message. Table 7.30-1 Name Presence Type or reference Description Message Type M INTEGER (0..1 023) The following values shall be used: "0" - REGISTRATION REQUEST message "1" - REGISTRATION RESPONSE message "2" - DEREGISTRATION REQUEST message "3" - DEREGIST... |
215933479751513f1e1cea9999cc3ad9 | 103 379 | 7.31 Transaction ID | The Transaction ID IE contains information used to identify the specific instance of a procedure which the message belongs to do. Table 7.31-1 Name Presence Type or reference Description Transaction ID M INTEGER (0..4 095) Indicates the specific instance of the procedure. Transaction IDs may be reused after the complet... |
215933479751513f1e1cea9999cc3ad9 | 103 379 | 7.32 LR ID | The LR ID IE enables the LC to identify the LR involved in the message exchange via LSA1. Table 7.32-1 Name Presence Type or reference Description LR ID M INTEGER (0..4 095) Indicates the LR. |
215933479751513f1e1cea9999cc3ad9 | 103 379 | 7.33 LC ID | The LC ID IE enables the LR to identify the LC involved in the message exchange via LSA1. Table 7.33-1 Name Presence Type or reference Description LC ID M INTEGER (0..4 095) Indicates the LC. |
215933479751513f1e1cea9999cc3ad9 | 103 379 | 7.34 Licensee ID | The Licensee ID IE enables the LR to identify the Licensee involved in the message exchange via LSA1. Table 7.34-1 Name Presence Type or reference Description Licensee ID M INTEGER (0..4 095) Indicates the Licensee. |
215933479751513f1e1cea9999cc3ad9 | 103 379 | 7.35 Result | The Result IE is included in a response message and indicates whether the procedure is successful. Table 7.35-1 Name Presence Type or reference Description Result M ENUMERATED (Successful, Unsuccessful) Indicates the result of the procedure. ETSI ETSI TS 103 379 V1.1.1 (2017-01) 35 |
215933479751513f1e1cea9999cc3ad9 | 103 379 | 7.36 Sync ID | The Sync ID IE is used to identify the specific synchronization process. Table 7.36-1 Name Presence Type or reference Description Sync ID M INTEGER (0..255) Indicates that the message is part of the synchronization process associated with this ID. Sync IDs may be reused after the completion of the respective synchroniz... |
215933479751513f1e1cea9999cc3ad9 | 103 379 | 7.37 Sync Zone List | The Sync Zone List IE contains information about the zones received during a synchronization process. Table 7.37-1 Name Presence Type or reference Description Number of zones M INTEGER (0..65 535) Identifies the number of zones N received during the synchronization process. If set to "0", it indicates that the followin... |
215933479751513f1e1cea9999cc3ad9 | 103 379 | 7.38 Synched Zone | The Synched Zone IE contains information about a zone received during the synchronization process. Table 7.38-1 Name Presence Type or reference Description Zone ID M 7.40 Identifies the zone ID. Zone Configuration Index M 7.29 Identifies the configuration of the zone. ETSI ETSI TS 103 379 V1.1.1 (2017-01) 36 |
215933479751513f1e1cea9999cc3ad9 | 103 379 | 7.39 Cause | The Cause IE indicates the reason for a particular event associated with the message that includes the IE. Table 7.39-1 Name Presence Type or reference Description Cause Type M INTEGER (0..1 023) The following values shall be used: "0" - unspecified "1" - Message not compatible with receiver state "2" - Incorrect param... |
215933479751513f1e1cea9999cc3ad9 | 103 379 | 7.40 Zone ID | The Zone ID IE is used to identify a zone uniquely over all instances of the LSA1 interface for a given LR. Table 7.40-1 Name Presence Type or reference Description Zone ID M INTEGER (0..16 777 215) Identifies the zone. ETSI ETSI TS 103 379 V1.1.1 (2017-01) 38 |
215933479751513f1e1cea9999cc3ad9 | 103 379 | 7.41 Protocol Version List | The Protocol Version List IE contains information about the protocol versions supported by a protocol endpoint. Table 7.41-1 Name Presence Type or reference Description Number of versions M INTEGER (1..63) Identifies the number N of versions supported by the endpoint Protocol Version 1 M 7.42 Supported protocol version... |
215933479751513f1e1cea9999cc3ad9 | 103 379 | 7.42 Protocol Version | The Protocol Version IE is used to identify the protocol version. Table 7.42-1 Name Presence Type or reference Description Protocol Version M INTEGER (1..255) Indicates the protocol version. ETSI ETSI TS 103 379 V1.1.1 (2017-01) 39 Annex A (informative): Change History Date Version Information about changes October 201... |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 1 Scope | The present document specifies low complexity Medium Access Control (MAC) for SmartBAN. The present document applies to short range, wireless communication between wearable sensors devices and the hub coordinator. The present document specifies MAC protocol designed to facilitate spectrum sharing with other devices. Th... |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 2 References | |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 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 reference document (including any amendments) applies. Referenced documents which ar... |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 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 reference document (including any amendments) applies. NOTE: While any hyperlinks in... |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 3 Definition of terms, symbols and abbreviations | |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 3.1 Terms | For the purposes of the present document, the following terms apply: active period: period within the superframe period that is ready for frame reception and transmission active state: internal power management state that is ready for the frame reception and transmission allocation: one or more time intervals that a no... |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 3.2 Symbols | For the purposes of the present document, the following symbols apply: × Mathematical multiplication of the term immediately preceding the symbol and the term immediately following the symbol CPmax Maximum Contention Probability CPmin Minimum Contention Probability GHz Gigahertz LD Number of time slots in Inter-Beacon ... |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 3.3 Abbreviations | For the purposes of the present document, the following abbreviations apply: ACK ACKnowledgement BAN Body Area Network BC Backoff Counter BCH Bose-Chaudhuri-Hocquenghem (code) BE Backoff Exponent C-Ass Connection Assignment ETSI ETSI TS 103 325 V1.2.1 (2022-07) 10 C-Beacon Control Channel Beacon CCH Control Channel C-F... |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 4 Introduction and Background | Modern medical and health monitoring equipment are moving towards the trend of wireless connectivity between the data collection or control centre and the medical devices or sensors. Therefore, a standardized communication interface and protocol between the actors are required. This network of actors performing some me... |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 5 General MAC Framework | |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 5.0 Different device types | This clause provides the basic MAC framework for the nodes and hubs. Two different device types can participate in SmartBAN: medical sensor device (node) and coordinator device (hub). A hub is a device that acts as a SmartBAN coordinator. A node is any device that acts as an information source or an information sink. O... |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 5.1 Frequency Spectrum | The frequency of operation shall fall within 2 401 MHz to 2 481 MHz. The channels shall be arranged in blocks of 2 MHz with centre frequencies: fc = 2 402 + 2×n MHz, where n = 0 to 39. The channels are categorized into data and control channels with: • 3 Control channels, where control frames (in the form of Control Ch... |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 5.2 Channel Format | |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 5.2.1 Control Channel (CCH) Format | Only hub devices shall transmit on control channels. A hub shall select one control channel from the list of control channels in ETSI TS 103 326 [1], Table 1 and transmit one Control Channel Beacon frame (C-Beacon) on the chosen Control Channel (CCH) every TC seconds. The format of the C-Beacon is set out in clause 6.1... |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 5.2.2 Data Channel (DCH) Format | |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 5.2.2.0 Data channel description | Both hub and node devices may transmit on the data channels. A hub shall select one data channel from the list of data channels in ETSI TS 103 326 [1], Table 1 on which both hub and node devices in the associated SmartBAN may transmit. For any SmartBAN, the data channel is partitioned into time intervals of TD seconds,... |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 5.2.2.1 Scheduled Access Slot Structure | Figure 4: Scheduled Access Slot Structure The Scheduled Access time slots shall follow the structure as illustrated in Figure 4. Any Scheduled Access time slots allocated by the hub shall be in the Scheduled Access Period. The Scheduled Access slot shall consist of at most 2 transmission periods: • Data Frame Transmiss... |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 5.2.2.2 Control and Management Slot Structure | Figure 5: Control and Management Slot Structure The Control and Management time slots shall follow the structure as illustrated in Figure 5. The Control and Management slot shall consist of 2 transmission periods: • Data/Management Frame Transmission: any device wishing to transmit either data or management frames may ... |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 5.2.2.3 Multi-use Access Slot Structure | Figure 6: Multi-use Access Slot Structure The Multi-use Access time slots shall follow the structure as illustrated in Figure 6. The Multi-use Access time slots shall be used when Multi-use Access is in operation. The Multi-use Access slot shall consist of 1 sensing period and at most 2 transmission periods: • Sensing;... |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 5.3 User Priorities | Four user priority levels shall be defined in the operation of a SmartBAN. The user priorities are defined in Table 3. The user priority shall determine the contention probability of the node in Slotted Aloha Channel Access. The range of contention probabilities for different user priority levels is listed in Table 4. ... |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 5.4 Node IDs | The Node ID of devices in a SmartBAN shall be assigned according to Table 5. Table 5: Node ID Table NID Value NID Subtotal NID Notation NID Usage 00000000 1 Unconnected NID For unicast from/to unconnected nodes in a BAN 00000001- 00010000 16 Connected NID For unicast from/to connected nodes in a BAN 00010101 1 Hub NID ... |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 5.5 Information Units | Information Units (IUs) encapsulate the required information for specific operations. Operations requiring IUs shall use the appropriate Element ID listed in Table 6. An IU shall be formatted as in Figure 7. Figure 7: Structure of an Information Unit An IU comprises an Element ID field, a Length field, and multiple Inf... |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6 Frame Formats | |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.1 MAC General Frame Format | |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.1.0 General description | All MAC frames shall be formed by concatenating a MAC Header of 48 bits, a MAC Frame body of LF bits, and a Frame Parity of 16 bits. The MAC Frame Body has a length of LF bits and is present only if it has a nonzero length. The MAC frame shall also be called the MAC Protocol Data Unit (MPDU). Figure 8: MAC General Fram... |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.1.1 MAC Header | |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.1.1.0 MAC Header Format | The MAC Header shall consist of: • a Frame Control field; • a Recipient ID field; • a Sender ID field; • a BAN ID field; and • a FCS. MAC Frame Body Frame Parity Bits: 48 LF 16 MAC Header MPDU ETSI ETSI TS 103 325 V1.2.1 (2022-07) 17 Figure 9: MAC Header Format |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.1.1.1 Frame Control | |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.1.1.1.0 Frame Control Format | The 24 bit Frame Control field shall be formatted as shown in Figure 10. Figure 10: Frame Control Format |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.1.1.1.1 Protocol Version | The Protocol Version field is set to '000'. All other values are reserved. |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.1.1.1.2 Acknowledgement (ACK) Policy | The Ack Policy field indicates the acknowledgement type used by the current frame. The field is set to '0' to indicate that an Acknowledgement frame (ACK) will be sent when a transmission is successful. The field is set to '1' to indicate that no Acknowledgement (ACK) frames shall be sent when a transmission is success... |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.1.1.1.3 Frame Type | The Frame Type field is set to indicate the current frame type. The three defined Frame Types are: Management, Control, and Data. The Frame Subtype and Frame Type are given in Table 7. Table 7: Frame Type and Frame Subtype Fields Field Value Frame Type Field Value Frame Subtype 00 Management 000 Beacon 00 Management 00... |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.1.1.1.4 Frame Subtype | The Frame Subtype field shall be set as defined in Table 7. |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.1.1.1.5 Sequence Number | The Sequence Number field specifies the sequence identifier of the frame. The Sequence Number is applicable for both beacon and data frames. The values of the Sequence Number field are set as follows: • The field is set to zero if the frame is the first data type frame of this frame subtype to a recipient. • The field ... |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.1.1.1.6 Fragment Number | The 3 bit Fragment Number field is applicable for the data type frames. The values of Fragment Number are set as follows: • The Fragment Number field is set to zero if the current frame contains no MAC Frame Body, a MAC Frame Body not fragmented, or the first fragment of a fragmented MAC Frame Body. • The value is incr... |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.1.1.1.7 Non-final Fragment | The 1 bit Non-final Fragment field is only applicable to data type frames. The Non-final Fragment field is set as follows: • set to zero if the current frame contains no MAC Frame Body, a MAC Frame Body not fragmented, or the final fragment of a fragmented MAC Frame Body; or • set to one if the frame contains a non-fin... |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.1.1.1.8 Command Acknowledgement | The 1 bit Command Acknowledgement field shall be set as follows: • set to one if the node acknowledges that he has received the slot reassignment or downlink data request command from the hub; • set to zero otherwise. |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.1.1.2 Recipient ID | The Recipient ID is an 8 bit ID identifying the recipient of the frame, assigned previously by the hub according to Table 5. The specific recipient ID of each frame is defined in Table 8. ETSI ETSI TS 103 325 V1.2.1 (2022-07) 19 |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.1.1.3 Sender ID | The Sender ID is an 8 bit sequence identifying the sender of the frame. The specific sender ID of each frame is defined in Table 8. |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.1.1.4 BAN ID | The BAN ID is an 8 bit abbreviated address identifying the SmartBAN of the sender and recipient. The specific BAN ID of each frame is defined in Table 8. Table 8: Table of IDs Type Subtype Sender ID Recipient ID BAN ID Management Beacon Hub ID Broadcast Hub ID Management Connection Request unconnected ID Hub ID Hub ID ... |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.1.1.5 FCS | The 8 bit Frame Check Sequence (FCS) of the MAC Header generated using the generator polynomial x8 + x7 + x3 + x2 + 1. |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.1.2 MAC Frame Body | The MAC Frame Body has LF bits. The minimum permissible length of the MAC Frame Body is 0. The maximum permissible length of the MAC Frame Body is LF,max, and this is defined in ETSI TS 103 326 [1]. The MAC Frame Body shall consist of one of the following types of data structures: • Management Frames: These frames are ... |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.1.3 Frame Parity | The Frame Parity field shall contain a 16 bit CRC sequence of the MAC Frame Body generated using the generator polynomial x16 + x12 + x5 + 1. |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.2 Management Frames | |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.2.1 Control Channel Beacon (C-Beacon) | |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.2.1.0 Control Channel Beacon Frame Format | The MAC Frame Body of a Control Channel Beacon (C-Beacon) shall be formatted as illustrated in Figure 11. ETSI ETSI TS 103 325 V1.2.1 (2022-07) 20 Figure 11: Control Channel Beacon Frame Format The C-Beacon frame is formatted as shown in Figure 11. The hub transmits a Control Channel Beacon on the prior selected contro... |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.2.1.1 Hub Address | The 48-bit field contains the address of the hub of transmitting the Data Channel Beacon frame. |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.2.1.2 Slot Length | The Slot Length field shall be set according to Table 9 to indicate the duration of each time slot, which is equal to TS = LSLOT × Tmin. Hub Address Slot Length Time Slots DCH Channel Number Initial State Time Stamp Bits: 48 3 10 6 1 32 Reserved 1 Interference Mitigation 1 Duty Cycling 2 PHY Version Reserved Nr. of Nod... |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.2.1.3 Time Slots | The field indicates the total number of time slots in the Scheduled Access, Control and Management Period, and Inactive Period of each Inter-Beacon Interval. The length of each slot is indicated in clause 6.2.1.2. |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.2.1.4 Interference Mitigation | The interference mitigation bit indicates if the SmartBAN is currently executing interference mitigation procedures. |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.2.1.5 Duty Cycling | The duty cycling field indicates the current duty cycling of the SmartBAN. The values of the field shall be set according to Table 10. Table 10: Bit values for the duty cycling field Bit Value Duty Cycling (%) 00 0 to <25 01 25 to < 50 10 50 to < 75 11 75 to 100 |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.2.1.6 DCH Channel Number | The DCH Channel Number field indicates the DCH channel number which is currently active. DCH Channel Numbers are listed in ETSI TS 103 326 [1]. |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.2.1.7 Initial State | The Initial State field indicates the state of the hub. The field shall be set to '1' when it is allowing nodes to join the BAN and set to '0' when the SmartBAN is closed to new nodes. |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.2.1.8 Time Stamp | The 32 bit Time Stamp field contains the value of the device's local clock at the beginning of the time slot. The timestamp is intended to be a relative time measurement that may or may not be made absolute at the discretion of the implementer. |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.2.1.9 PHY Version | The 3 bit PHY version field contains the version of the SmartBAN PHY specifications. |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.2.1.10 Number of Nodes | The 4-bit field contains the number of nodes that are currently connecting with hub. ETSI ETSI TS 103 325 V1.2.1 (2022-07) 22 |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.2.1.11 Destination Channel | The 6-bit field indicates the destination DCH channel number when Interference Mitigation bit is set to '1'. DCH Channel Numbers are listed in [n.1]. |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.2.2 Data Channel Beacon (D-Beacon) | |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.2.2.0 Data Channel Beacon Frame Format | The MAC Frame Body of the Data Channel Beacon (D-Beacon) shall be formatted as illustrated in Figure 12. The fields with dashed boxes indicate that they are not sent with all D-Beacon packets, but only those with a non-null Function Indicator field. Figure 12: Data Channel Beacon Frame Format The Data Channel Beacon fr... |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.2.2.1 Hub Address | The 48-bit field contains address of the hub. Hub Address Inter- Beacon Interval C/M Start Slot Inactive Start Slot Time Stamp D/SR List Slot Reassignment Timing Channel Migration Info Downlink Data Slot Reassignment Channel Migration Bits: 48 10 10 8 24 16 8 14 Bits: 1 1 1 Reserved 2 Function Indicator 3 Multi-use Acc... |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.2.2.2 Inter-Beacon Interval | The field indicates the number of slots in each Inter-Beacon Interval. The length of each slot is indicated in clause 6.1.2. |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.2.2.3 Control and Management Period Start Slot | The Control and Management Period Start Slot field contains the slot number at which the C/M period is set to begin. |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.2.2.4 Inactive Period Start Slot | The Inactive Period Start Slot field contains the slot number at which the Inactive period is set to begin. |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.2.2.5 Function Indicator | |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.2.2.5.0 Function Indicator field | The Function Indicator field consists of three 1 bit subfields. When all the subfields are '0', the fields marked by dashed lines in Figure 12 will not be sent. When any of the subfields indicates a '1', the fields marked by dashed lines in Figure 12 will be sent to provide further information. |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.2.2.5.1 Downlink Data Indicator | The Downlink Data Indicator shall indicate whether any downlink data is available for any node. If the value of the indicator is '1', an accompanying D/SR List, which marks the nodes to listen for downlink, will be sent in the same D-Beacon frame. The marked nodes shall follow the procedure in clause 7.4 to acquire the... |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.2.2.5.2 Slot Reassignment Indicator | The Slot Reassignment Indicator shall indicate if any node will have their slots reassigned. If the value of the indicator is '1', an accompanying D/SR List, which marks the nodes which will have their slots reassigned, will be sent in the same D-Beacon frame. A "Slot Reassignment Timing" field will also be sent in the... |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.2.2.5.3 Channel Migration Indicator | The Channel Migration Indicator shall indicate if the DCH will switch to a new channel. A bit value of '0' indicates no change in DCH, while a bit value of 1 indicates that DCH will switch to another channel. An accompanying "Channel Migration Information" field will be sent in the same D-Beacon frame if the value of t... |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.2.2.6 Multi-use Access | The Multi-use Access field indicates if the SmartBAN operates in Multi-use Access mode. A bit value of '0' indicates that SmartBAN is not operating in Multi-use Access mode, while a bit value of 1 indicates that SmartBAN is operating in Multi-use Access mode. |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.2.2.7 Time Stamp | The Time Stamp field shall contain the value of the local clock of the device at the time of each Inter-Beacon Interval. The timestamp is intended to be a relative time measurement that may or may not be made absolute at the discretion of the implementer. ETSI ETSI TS 103 325 V1.2.1 (2022-07) 24 |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.2.2.8 Downlink/Slot Reassignment (D/SR) List | The field shall indicate the nodes which will be either receiving downlink data or reassigned new slots. The number of bits indicates the total number of supported nodes. Each bit represents a node, starting with the node with the smallest ID number (00000001) on the left. The right neighbouring bit shall represent the... |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.2.2.9 Slot Reassignment Timing | The Slot Reassignment Timing field shall indicate the sequence number of the Data Channel Beacon (D-Beacon) at which the new slot reassignment will take place. |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.2.2.10 Channel Migration Information | |
0cb2c723b210f3b1b3e12a82e23b9d76 | 103 325 | 6.2.2.10.1 Migration Timing | The Migration Timing field shall indicate the sequence number of the Data Channel Beacon (D-Beacon) at which the DCH change will take place. |
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