6.6 PC5 RRC messages
38.3313GPPNRProtocol specificationRadio Resource Control (RRC)Release 17TS
6.6.1 General message structure
– PC5-RRC-Definitions
This ASN.1 segment is the start of the PC5 RRC PDU definitions.
— ASN1START
— TAG-PC5-RRC-DEFINITIONS-START
PC5-RRC-Definitions DEFINITIONS AUTOMATIC TAGS ::=
BEGIN
IMPORTS
CellAccessRelatedInfo,
SetupRelease,
RRC-TransactionIdentifier,
SN-FieldLengthAM,
SN-FieldLengthUM,
LogicalChannelIdentity,
maxNrofSLRB-r16,
maxNrofSL-RxInfoSet-r17,
maxNrofSL-QFIs-r16,
maxNrofSL-QFIsPerDest-r16,
PagingCycle,
PagingRecord,
RSRP-Range,
SL-MeasConfig-r16,
SL-MeasId-r16,
FreqBandList,
FreqBandIndicatorNR,
maxNrofRelayMeas-r17,
maxSimultaneousBands,
maxBandComb,
maxBands,
maxSIB-MessagePlus1-r17,
maxSL-LCID-r16,
BandParametersSidelink-r16,
RLC-ParametersSidelink-r16,
SIB1,
SL-DRX-ConfigUC-r17,
SL-DRX-ConfigUC-SemiStatic-r17,
SL-PagingIdentityRemoteUE-r17,
SL-RLC-ChannelID-r17,
SL-SourceIdentity-r17,
SystemInformation
FROM NR-RRC-Definitions;
— TAG-PC5-RRC-DEFINITIONS-STOP
— ASN1STOP
– SBCCH-SL-BCH-Message
The SBCCH-SL-BCH-Message class is the set of RRC messages that may be sent from the UE to the UE via SL-BCH on the SBCCH logical channel.
— ASN1START
— TAG-SBCCH-SL-BCH-MESSAGE-START
SBCCH-SL-BCH-Message ::= SEQUENCE {
message SBCCH-SL-BCH-MessageType
}
SBCCH-SL-BCH-MessageType::= CHOICE {
c1 CHOICE {
masterInformationBlockSidelink MasterInformationBlockSidelink,
spare1 NULL
},
messageClassExtension SEQUENCE {}
}
— TAG-SBCCH-SL-BCH-MESSAGE-STOP
— ASN1STOP
– SCCH-Message
The SCCH-Message class is the set of RRC messages that may be sent from the UE to the UE for unicast of NR sidelink communication on SCCH logical channel.
— ASN1START
— TAG-SCCH-MESSAGE-START
SCCH-Message ::= SEQUENCE {
message SCCH-MessageType
}
SCCH-MessageType ::= CHOICE {
c1 CHOICE {
measurementReportSidelink MeasurementReportSidelink,
rrcReconfigurationSidelink RRCReconfigurationSidelink,
rrcReconfigurationCompleteSidelink RRCReconfigurationCompleteSidelink,
rrcReconfigurationFailureSidelink RRCReconfigurationFailureSidelink,
ueCapabilityEnquirySidelink UECapabilityEnquirySidelink,
ueCapabilityInformationSidelink UECapabilityInformationSidelink,
uuMessageTransferSidelink-r17 UuMessageTransferSidelink-r17,
remoteUEInformationSidelink-r17 RemoteUEInformationSidelink-r17
},
messageClassExtension CHOICE {
c2 CHOICE {
notificationMessageSidelink-r17 NotificationMessageSidelink-r17,
ueAssistanceInformationSidelink-r17 UEAssistanceInformationSidelink-r17,
spare6 NULL, spare5 NULL, spare4 NULL, spare3 NULL, spare2 NULL, spare1 NULL
},
messageClassExtensionFuture-r17 SEQUENCE {}
}
}
— TAG-SCCH-MESSAGE-STOP
— ASN1STOP
6.6.2 Message definitions
– MasterInformationBlockSidelink
The MasterInformationBlockSidelink includes the system information transmitted by a UE via SL-BCH.
Signalling radio bearer: N/A
RLC-SAP: TM
Logical channel: SBCCH
Direction: UE to UE
MasterInformationBlockSidelink
— ASN1START
— TAG-MASTERINFORMATIONBLOCKSIDELINK-START
MasterInformationBlockSidelink ::= SEQUENCE {
sl-TDD-Config-r16 BIT STRING (SIZE (12)),
inCoverage-r16 BOOLEAN,
directFrameNumber-r16 BIT STRING (SIZE (10)),
slotIndex-r16 BIT STRING (SIZE (7)),
reservedBits-r16 BIT STRING (SIZE (2))
}
— TAG-MASTERINFORMATIONBLOCKSIDELINK-STOP
— ASN1STOP
|
MasterInformationBlockSidelink field descriptions |
|
directFrameNumber Indicates the frame number in which S-SSB transmitted. |
|
inCoverage Value true indicates that the UE transmitting the MasterInformationBlockSidelink is in network coverage, or UE selects GNSS timing as the synchronization reference source. |
|
slotIndex Indicates the slot index in which S-SSB transmitted. |
– MeasurementReportSidelink
The MeasurementReportSidelink message is used for the indication of measurement results of NR sidelink.
Signalling radio bearer: SL-SRB3
RLC-SAP: AM
Logical channel: SCCH
Direction: UE to UE
MeasurementReportSidelink message
— ASN1START
— TAG-MEASUREMENTREPORTSIDELINK-START
MeasurementReportSidelink ::= SEQUENCE {
criticalExtensions CHOICE {
measurementReportSidelink-r16 MeasurementReportSidelink-r16-IEs,
criticalExtensionsFuture SEQUENCE {}
}
}
MeasurementReportSidelink-r16-IEs ::= SEQUENCE {
sl-measResults-r16 SL-MeasResults-r16,
lateNonCriticalExtension OCTET STRING OPTIONAL,
nonCriticalExtension SEQUENCE{} OPTIONAL
}
SL-MeasResults-r16 ::= SEQUENCE {
sl-MeasId-r16 SL-MeasId-r16,
sl-MeasResult-r16 SL-MeasResult-r16,
…
}
SL-MeasResult-r16 ::= SEQUENCE {
sl-ResultDMRS-r16 SL-MeasQuantityResult-r16 OPTIONAL,
…
}
SL-MeasQuantityResult-r16 ::= SEQUENCE {
sl-RSRP-r16 RSRP-Range OPTIONAL,
…
}
SL-MeasResultListRelay-r17 ::= SEQUENCE (SIZE (1..maxNrofRelayMeas-r17)) OF SL-MeasResultRelay-r17
SL-MeasResultRelay-r17 ::= SEQUENCE {
cellIdentity-r17 CellAccessRelatedInfo,
sl-RelayUE-Identity-r17 SL-SourceIdentity-r17,
sl-MeasResult-r17 SL-MeasResult-r16,
…
}
— TAG-MEASUREMENTREPORTSIDELINK-STOP
— ASN1STOP
|
MeasurementReportSidelink field descriptions |
|
sl-MeasId Identifies the sidelink measurement identity for which the reporting is being performed. |
|
sl-MeasResult Measured RSRP results of a unicast destination. |
– NotificationMessageSidelink
The NotificationMessageSidelink message is used to send notification message from U2N Relay UE to the connected U2N Remote UE.
Signalling radio bearer: SL-SRB3
RLC-SAP: AM
Logical channel: SCCH
Direction: U2N Relay UE to U2N Remote UE
NotificationMessageSidelink message
— ASN1START
— TAG-NOTIFICATIONMESSAGESIDELINK-START
NotificationMessageSidelink-r17 ::= SEQUENCE {
criticalExtensions CHOICE {
notificationMessageSidelink-r17 NotificationMessageSidelink-r17-IEs,
criticalExtensionsFuture SEQUENCE {}
}
}
NotificationMessageSidelink-r17-IEs ::= SEQUENCE {
indicationType-r17 ENUMERATED {
relayUE-Uu-RLF, relayUE-HO, relayUE-CellReselection,
relayUE-Uu-RRC-Failure
} OPTIONAL, — Need N
lateNonCriticalExtension OCTET STRING OPTIONAL,
nonCriticalExtension SEQUENCE {} OPTIONAL
}
— TAG-NOTIFICATIONMESSAGESIDELINK -STOP
— ASN1STOP
– RemoteUEInformationSidelink
The RemoteUEInformationSidelink message is used to request SIB(s) or provide paging related information as specified in clause 5.8.9.8.1.
Signalling radio bearer: SL-SRB3
RLC-SAP: AM
Logical channel: SCCH
Direction: L2 U2N Remote UE to L2 U2N Relay UE
RemoteUEInformationSidelink message
— ASN1START
— TAG-REMOTEUEINFORMATIONSIDELINK-START
RemoteUEInformationSidelink-r17 ::= SEQUENCE {
criticalExtensions CHOICE {
remoteUEInformationSidelink-r17 RemoteUEInformationSidelink-r17-IEs,
criticalExtensionsFuture SEQUENCE {}
}
}
RemoteUEInformationSidelink-r17-IEs ::= SEQUENCE {
sl-RequestedSIB-List-r17 SetupRelease { SL-RequestedSIB-List-r17} OPTIONAL, — Need M
sl-PagingInfo-RemoteUE-r17 SetupRelease { SL-PagingInfo-RemoteUE-r17} OPTIONAL, — Need M
lateNonCriticalExtension OCTET STRING OPTIONAL,
nonCriticalExtension SEQUENCE {} OPTIONAL
}
SL-RequestedSIB-List-r17 ::= SEQUENCE (SIZE (maxSIB-MessagePlus1-r17)) OF SL-SIB-ReqInfo-r17
SL-PagingInfo-RemoteUE-r17 ::= SEQUENCE {
sl-PagingIdentityRemoteUE-r17 SL-PagingIdentityRemoteUE-r17,
sl-PagingCycleRemoteUE-r17 PagingCycle OPTIONAL — Need M
}
SL-SIB-ReqInfo-r17 ::= ENUMERATED { sib1, sib2, sib3, sib4, sib5, sib6, sib7, sib8, sib9, sib10, sib11, sib12, sib13,
sib14, sib15, sib16, sib17, sib18, sib19, sib20, sib21, spare11, spare10, spare9,
spare8, spare7, spare6, spare5, spare4, spare3, spare2, spare1, … }
— TAG-REMOTEUEINFORMATIONSIDELINK-STOP
— ASN1STOP
|
RemoteUEInformationSidelink-IEs field descriptions |
|
sl-RequestedSIB-List Contains a list of requested SIBs. |
|
sl-PagingInfo-RemoteUE Indicates the paging information used by L2 U2N Relay UE to perform the connected L2 U2N Remote UE’s paging monitoring. |
|
sl-PagingIdentityRemoteUE Indicates the L2 U2N Remote UE’s paging UE ID. |
|
sl-PagingCycleRemoteUE Indicates the L2 U2N Remote UE’s UE specific DRX cycle as the minimum value of the one provided by upper layers (if configured) and the one provided by RRC layer (if configured). Value rf32 corresponds to 32 radio frames, value rf64 corresponds to 64 radio frames and so on. |
– RRCReconfigurationSidelink
The RRCReconfigurationSidelink message is the command to AS configuration of the PC5 RRC connection. It is only applied to unicast of NR sidelink communication.
Signalling radio bearer: SL-SRB3
RLC-SAP: AM
Logical channel: SCCH
Direction: UE to UE
RRCReconfigurationSidelink message
— ASN1START
— TAG-RRCRECONFIGURATIONSIDELINK-START
RRCReconfigurationSidelink ::= SEQUENCE {
rrc-TransactionIdentifier-r16 RRC-TransactionIdentifier,
criticalExtensions CHOICE {
rrcReconfigurationSidelink-r16 RRCReconfigurationSidelink-r16-IEs,
criticalExtensionsFuture SEQUENCE {}
}
}
RRCReconfigurationSidelink-r16-IEs ::= SEQUENCE {
slrb-ConfigToAddModList-r16 SEQUENCE (SIZE (1..maxNrofSLRB-r16)) OF SLRB-Config-r16 OPTIONAL, — Need N
slrb-ConfigToReleaseList-r16 SEQUENCE (SIZE (1..maxNrofSLRB-r16)) OF SLRB-PC5-ConfigIndex-r16 OPTIONAL, — Need N
sl-MeasConfig-r16 SetupRelease {SL-MeasConfig-r16} OPTIONAL, — Need M
sl-CSI-RS-Config-r16 SetupRelease {SL-CSI-RS-Config-r16} OPTIONAL, — Need M
sl-ResetConfig-r16 ENUMERATED {true} OPTIONAL, — Need N
sl-LatencyBoundCSI-Report-r16 INTEGER (3..160) OPTIONAL, — Need M
lateNonCriticalExtension OCTET STRING OPTIONAL,
nonCriticalExtension RRCReconfigurationSidelink-v1700-IEs OPTIONAL
}
RRCReconfigurationSidelink-v1700-IEs ::= SEQUENCE {
sl-DRX-ConfigUC-PC5-r17 SetupRelease { SL-DRX-ConfigUC-r17 } OPTIONAL, — Need M
sl-LatencyBoundIUC-Report-r17 SetupRelease { SL-LatencyBoundIUC-Report-r17 } OPTIONAL, — Need M
sl-RLC-ChannelToReleaseListPC5-r17 SEQUENCE (SIZE (1..maxSL-LCID-r16)) OF SL-RLC-ChannelID-r17 OPTIONAL, — Need N
sl-RLC-ChannelToAddModListPC5-r17 SEQUENCE (SIZE (1..maxSL-LCID-r16)) OF SL-RLC-ChannelConfigPC5-r17 OPTIONAL, — Need N
nonCriticalExtension SEQUENCE {} OPTIONAL
}
SL-LatencyBoundIUC-Report-r17::= INTEGER (3..160)
SLRB-Config-r16::= SEQUENCE {
slrb-PC5-ConfigIndex-r16 SLRB-PC5-ConfigIndex-r16,
sl-SDAP-ConfigPC5-r16 SL-SDAP-ConfigPC5-r16 OPTIONAL, — Need M
sl-PDCP-ConfigPC5-r16 SL-PDCP-ConfigPC5-r16 OPTIONAL, — Need M
sl-RLC-ConfigPC5-r16 SL-RLC-ConfigPC5-r16 OPTIONAL, — Need M
sl-MAC-LogicalChannelConfigPC5-r16 SL-LogicalChannelConfigPC5-r16 OPTIONAL, — Need M
…
}
SLRB-PC5-ConfigIndex-r16 ::= INTEGER (1..maxNrofSLRB-r16)
SL-SDAP-ConfigPC5-r16 ::= SEQUENCE {
sl-MappedQoS-FlowsToAddList-r16 SEQUENCE (SIZE (1.. maxNrofSL-QFIsPerDest-r16)) OF SL-PQFI-r16 OPTIONAL, — Need N
sl-MappedQoS-FlowsToReleaseList-r16 SEQUENCE (SIZE (1.. maxNrofSL-QFIsPerDest-r16)) OF SL-PQFI-r16 OPTIONAL, — Need N
sl-SDAP-Header-r16 ENUMERATED {present, absent},
…
}
SL-PDCP-ConfigPC5-r16 ::= SEQUENCE {
sl-PDCP-SN-Size-r16 ENUMERATED {len12bits, len18bits} OPTIONAL, — Need M
sl-OutOfOrderDelivery-r16 ENUMERATED { true } OPTIONAL, — Need R
…
}
SL-RLC-ConfigPC5-r16 ::= CHOICE {
sl-AM-RLC-r16 SEQUENCE {
sl-SN-FieldLengthAM-r16 SN-FieldLengthAM OPTIONAL, — Need M
…
},
sl-UM-Bi-Directional-RLC-r16 SEQUENCE {
sl-SN-FieldLengthUM-r16 SN-FieldLengthUM OPTIONAL, — Need M
…
},
sl-UM-Uni-Directional-RLC-r16 SEQUENCE {
sl-SN-FieldLengthUM-r16 SN-FieldLengthUM OPTIONAL, — Need M
…
}
}
SL-LogicalChannelConfigPC5-r16 ::= SEQUENCE {
sl-LogicalChannelIdentity-r16 LogicalChannelIdentity,
…
}
SL-PQFI-r16 ::= INTEGER (1..64)
SL-CSI-RS-Config-r16 ::= SEQUENCE {
sl-CSI-RS-FreqAllocation-r16 CHOICE {
sl-OneAntennaPort-r16 BIT STRING (SIZE (12)),
sl-TwoAntennaPort-r16 BIT STRING (SIZE (6))
} OPTIONAL, — Need M
sl-CSI-RS-FirstSymbol-r16 INTEGER (3..12) OPTIONAL, — Need M
…
}
SL-RLC-ChannelConfigPC5-r17::= SEQUENCE {
sl-RLC-ChannelID-PC5-r17 SL-RLC-ChannelID-r17,
sl-RLC-ConfigPC5-r17 SL-RLC-ConfigPC5-r16 OPTIONAL, — Need M
sl-MAC-LogicalChannelConfigPC5-r17 SL-LogicalChannelConfigPC5-r16 OPTIONAL, — Need M
…
}
— TAG-RRCRECONFIGURATIONSIDELINK-STOP
— ASN1STOP
|
RRCReconfigurationSidelink field descriptions |
|
sl-CSI-RS-FreqAllocation Indicates the frequency domain position for sidelink CSI-RS. |
|
sl-CSI-RS-FirstSymbol Indicates the position of first symbol of sidelink CSI-RS. |
|
sl-DRX-ConfigUC-PC5 Indicates the NR sidelink DRX configuration for unicast communication, as specified in TS 38.321 [3] |
|
sl-LatencyBoundCSI-Report Indicates the latency bound of SL CSI report from the associated SL CSI triggering in terms of number of slots. |
|
sl-LatencyBoundIUC-Report Indicates the latency bound of SL Inter-UE coordination report from the associated SL Inter-UE coordination explicit request triggering in terms of number of slots. |
|
sl-LogicalChannelIdentity Indicates the identity of the sidelink logical channel. |
|
sl-MappedQoS-FlowsToAddList Indicate the QoS flows to be mapped to the configured sidelink DRB. Each entry is indicated by the SL-PQFI, which is used between UEs, as defined in TS 23.287 [55]. |
|
sl-MappedQoS-FlowsToReleaseList Indicate the QoS flows to be released from the configured sidelink DRB. Each entry is indicated by the SL-PQFI, which is used between UEs, as defined in TS 23.287 [55]. |
|
sl-MeasConfig Indicates the sidelink measurement configuration for the unicast destination. |
|
sl-OutOfOrderDelivery Indicates whether or not outOfOrderDelivery specified in TS 38.323 [5] is configured. This field should be either always present or always absent, after the sidelink radio bearer is established. |
|
sl-PDCP-SN-Size Indicates the PDCP SN size of the configured sidelink DRB. |
|
sl-Resetconfig Indicates that the full configuration should be applicable for the RRCReconfigurationSidelink message. |
|
sl-SDAP-Header Indicates whether or not a SDAP header is present on this sidelink DRB. |
– RRCReconfigurationCompleteSidelink
The RRCReconfigurationCompleteSidelink message is used to confirm the successful completion of a PC5 RRC AS reconfiguration. It is only applied to unicast of NR sidelink communication.
Signalling radio bearer: SL-SRB3
RLC-SAP: AM
Logical channel: SCCH
Direction: UE to UE
RRCReconfigurationCompleteSidelink message
— ASN1START
— TAG-RRCRECONFIGURATIONCOMPLETESIDELINK-START
RRCReconfigurationCompleteSidelink ::= SEQUENCE {
rrc-TransactionIdentifier-r16 RRC-TransactionIdentifier,
criticalExtensions CHOICE {
rrcReconfigurationCompleteSidelink-r16 RRCReconfigurationCompleteSidelink-r16-IEs,
criticalExtensionsFuture SEQUENCE {}
}
}
RRCReconfigurationCompleteSidelink-r16-IEs ::= SEQUENCE {
lateNonCriticalExtension OCTET STRING OPTIONAL,
nonCriticalExtension RRCReconfigurationCompleteSidelink-v1710-IEs OPTIONAL
}
RRCReconfigurationCompleteSidelink-v1710-IEs ::= SEQUENCE {
dummy ENUMERATED {true},
nonCriticalExtension RRCReconfigurationCompleteSidelink-v1720-IEs OPTIONAL
}
RRCReconfigurationCompleteSidelink-v1720-IEs ::= SEQUENCE {
sl-DRX-ConfigReject-v1720 ENUMERATED {true} OPTIONAL,
nonCriticalExtension SEQUENCE {} OPTIONAL
}
— TAG-RRCRECONFIGURATIONCOMPLETESIDELINK-STOP
— ASN1STOP
|
RRCReconfigurationCompleteSidelink field descriptions |
|
dummy This field is not used in the specification. The UE shall not include this field. If received it shall be ignored by the peer UE. |
|
sl-DRX-ConfigReject Indicates the rejection of sidelink DRX configuration received from the peer UE for the corresponding NR sidelink unicast communication. |
– RRCReconfigurationFailureSidelink
The RRCReconfigurationFailureSidelink message is used to indicate the failure of a PC5 RRC AS reconfiguration. It is only applied to unicast of NR sidelink communication.
Signalling radio bearer: SL-SRB3
RLC-SAP: AM
Logical channel: SCCH
Direction: UE to UE
RRCReconfigurationFailureSidelink message
— ASN1START
— TAG-RRCRECONFIGURATIONFAILURESIDELINK-START
RRCReconfigurationFailureSidelink ::= SEQUENCE {
rrc-TransactionIdentifier-r16 RRC-TransactionIdentifier,
criticalExtensions CHOICE {
rrcReconfigurationFailureSidelink-r16 RRCReconfigurationFailureSidelink-r16-IEs,
criticalExtensionsFuture SEQUENCE {}
}
}
RRCReconfigurationFailureSidelink-r16-IEs ::= SEQUENCE {
lateNonCriticalExtension OCTET STRING OPTIONAL,
nonCriticalExtension SEQUENCE {} OPTIONAL
}
— TAG-RRCRECONFIGURATIONFAILURESIDELINK-STOP
— ASN1STOP
– UEAssistanceInformationSidelink
The UEAssistanceInformationSidelink message may include sidelink DRX assistance information used to determine the sidelink DRX configuration.
Signalling radio bearer: SL-SRB3
RLC-SAP: AM
Logical channel: SCCH
Direction: UE to UE
UEAssistanceInformationSidelink message
— ASN1START
— TAG-UEASSISTANCEINFORMATIONSIDELINK-START
UEAssistanceInformationSidelink-r17 ::= SEQUENCE {
criticalExtensions CHOICE {
ueAssistanceInformationSidelink-r17 UEAssistanceInformationSidelink-r17-IEs,
criticalExtensionsFuture SEQUENCE {}
}
}
UEAssistanceInformationSidelink-r17-IEs ::= SEQUENCE {
sl-PreferredDRX-ConfigList-r17 SEQUENCE (SIZE (1..maxNrofSL-RxInfoSet-r17)) OF SL-DRX-ConfigUC-SemiStatic-r17
OPTIONAL, — Need R
lateNonCriticalExtension OCTET STRING OPTIONAL,
nonCriticalExtension SEQUENCE {} OPTIONAL
}
— TAG-UEASSISTANCEINFORMATIONSIDELINK-STOP
— ASN1STOP
|
UEAssistanceInformationSidelink field descriptions |
|
sl-PreferredDRX-ConfigList Indicates a list of the reference sidelink DRX configurations provided by a UE to a peer UE for determining the sidelink DRX configuration. |
– UECapabilityEnquirySidelink
The UECapabilityEnquirySidelink message is used to request UE sidelink capabilities. It is only applied to unicast of NR sidelink communication.
Signalling radio bearer: SL-SRB3
RLC-SAP: AM
Logical channel: SCCH
Direction: UE to UE
UECapabilityEnquirySidelink message
— ASN1START
— TAG-UECAPABILITYENQUIRYSIDELINK-START
UECapabilityEnquirySidelink ::= SEQUENCE {
rrc-TransactionIdentifier-r16 RRC-TransactionIdentifier,
criticalExtensions CHOICE {
ueCapabilityEnquirySidelink-r16 UECapabilityEnquirySidelink-r16-IEs,
criticalExtensionsFuture SEQUENCE {}
}
}
UECapabilityEnquirySidelink-r16-IEs ::= SEQUENCE {
frequencyBandListFilterSidelink-r16 FreqBandList OPTIONAL, — Need N
ue-CapabilityInformationSidelink-r16 OCTET STRING OPTIONAL, — Need N
lateNonCriticalExtension OCTET STRING OPTIONAL,
nonCriticalExtension SEQUENCE{} OPTIONAL
}
— TAG-UECAPABILITYENQUIRYSIDELINK-STOP
— ASN1STOP
|
UECapabilityEnquirySidelink-IEs field descriptions |
|
frequencyBandListFilterSidelink This field is used to indicate frequency bands for which the peer UE is requested to provide supported bands and band combinations for NR sidelink communications. The UE always provides this field. |
|
ue-CapabilityInformationSidelink This field indicates the UECapabilityInformationSidelink message to provide the UE sidelink capability, which can be optionally sent together with UECapabilityEnquirySidelink. |
– UECapabilityInformationSidelink
The UECapabilityInformationSidelink message is used to transfer UE radio access capabilities. It is only applied to unicast of NR sidelink communication.
Signalling radio bearer: SL-SRB3
RLC-SAP: AM
Logical channel: SCCH
Direction: UE to UE
UECapabilityInformationSidelink message
— ASN1START
— TAG-UECAPABILITYINFORMATIONSIDELINK-START
UECapabilityInformationSidelink ::= SEQUENCE {
rrc-TransactionIdentifier-r16 RRC-TransactionIdentifier,
criticalExtensions CHOICE {
ueCapabilityInformationSidelink-r16 UECapabilityInformationSidelink-r16-IEs,
criticalExtensionsFuture SEQUENCE {}
}
}
UECapabilityInformationSidelink-r16-IEs ::= SEQUENCE {
accessStratumReleaseSidelink-r16 AccessStratumReleaseSidelink-r16,
pdcp-ParametersSidelink-r16 PDCP-ParametersSidelink-r16 OPTIONAL,
rlc-ParametersSidelink-r16 RLC-ParametersSidelink-r16 OPTIONAL,
supportedBandCombinationListSidelinkNR-r16 BandCombinationListSidelinkNR-r16 OPTIONAL,
supportedBandListSidelink-r16 SEQUENCE (SIZE (1..maxBands)) OF BandSidelinkPC5-r16 OPTIONAL,
appliedFreqBandListFilter-r16 FreqBandList OPTIONAL,
lateNonCriticalExtension OCTET STRING OPTIONAL,
nonCriticalExtension UECapabilityInformationSidelink-v1700-IEs OPTIONAL
}
UECapabilityInformationSidelink-v1700-IEs ::= SEQUENCE {
mac-ParametersSidelink-r17 MAC-ParametersSidelink-r17 OPTIONAL,
supportedBandCombinationListSidelinkNR-v1710 BandCombinationListSidelinkNR-v1710 OPTIONAL,
nonCriticalExtension SEQUENCE {} OPTIONAL
}
MAC-ParametersSidelink-r17 ::= SEQUENCE {
drx-OnSidelink-r17 ENUMERATED {supported} OPTIONAL,
…
}
AccessStratumReleaseSidelink-r16 ::= ENUMERATED { rel16, rel17, spare6, spare5, spare4, spare3, spare2, spare1, … }
PDCP-ParametersSidelink-r16 ::= SEQUENCE {
outOfOrderDeliverySidelink-r16 ENUMERATED {supported} OPTIONAL,
…
}
BandCombinationListSidelinkNR-r16 ::= SEQUENCE (SIZE (1..maxBandComb)) OF BandCombinationParametersSidelinkNR-r16
BandCombinationListSidelinkNR-v1710 ::= SEQUENCE (SIZE (1..maxBandComb)) OF BandCombinationParametersSidelinkNR-v1710
BandCombinationParametersSidelinkNR-r16 ::= SEQUENCE (SIZE (1..maxSimultaneousBands)) OF BandParametersSidelink-r16
BandCombinationParametersSidelinkNR-v1710 ::= SEQUENCE (SIZE (1..maxSimultaneousBands)) OF BandParametersSidelink-v1710
BandParametersSidelink-v1710 ::= SEQUENCE {
–32-5a-1
tx-IUC-Scheme1-Mode2Sidelink-r17 ENUMERATED {supported} OPTIONAL,
–32-5b-1
tx-IUC-Scheme2-Mode2Sidelink-r17 ENUMERATED {n4, n8, n16} OPTIONAL
}
BandSidelinkPC5-r16 ::= SEQUENCE {
freqBandSidelink-r16 FreqBandIndicatorNR,
–15-1
sl-Reception-r16 SEQUENCE {
harq-RxProcessSidelink-r16 ENUMERATED {n16, n24, n32, n64},
pscch-RxSidelink-r16 ENUMERATED {value1, value2},
scs-CP-PatternRxSidelink-r16 CHOICE {
fr1-r16 SEQUENCE {
scs-15kHz-r16 BIT STRING (SIZE (16)) OPTIONAL,
scs-30kHz-r16 BIT STRING (SIZE (16)) OPTIONAL,
scs-60kHz-r16 BIT STRING (SIZE (16)) OPTIONAL
},
fr2-r16 SEQUENCE {
scs-60kHz-r16 BIT STRING (SIZE (16)) OPTIONAL,
scs-120kHz-r16 BIT STRING (SIZE (16)) OPTIONAL
}
} OPTIONAL,
extendedCP-RxSidelink-r16 ENUMERATED {supported} OPTIONAL
} OPTIONAL,
–15-10
sl-Tx-256QAM-r16 ENUMERATED {supported} OPTIONAL,
–15-12
lowSE-64QAM-MCS-TableSidelink-r16 ENUMERATED {supported} OPTIONAL,
…,
[[
–15-14
csi-ReportSidelink-r16 SEQUENCE {
csi-RS-PortsSidelink-r16 ENUMERATED {p1, p2}
} OPTIONAL,
–15-19
rankTwoReception-r16 ENUMERATED {supported} OPTIONAL,
–15-23
sl-openLoopPC-RSRP-ReportSidelink-r16 ENUMERATED {supported} OPTIONAL,
–13-1
sl-Rx-256QAM-r16 ENUMERATED {supported} OPTIONAL
]],
[[
–32-5a-2
rx-IUC-Scheme1-PreferredMode2Sidelink-r17 ENUMERATED {supported} OPTIONAL,
–32-5a-3
rx-IUC-Scheme1-NonPreferredMode2Sidelink-r17 ENUMERATED {supported} OPTIONAL,
–32-5b-2
rx-IUC-Scheme2-Mode2Sidelink-r17 ENUMERATED {n5, n15, n25, n32, n35, n45, n50, n64} OPTIONAL,
–32-6-1
rx-IUC-Scheme1-SCI-r17 ENUMERATED {supported} OPTIONAL,
–32-6-2
rx-IUC-Scheme1-SCI-ExplicitReq-r17 ENUMERATED {supported} OPTIONAL,
–32-7
scheme2-ConflictDeterminationRSRP-r17 ENUMERATED {supported} OPTIONAL
]]
}
— TAG-UECAPABILITYINFORMATIONSIDELINK-STOP
— ASN1STOP
– UuMessageTransferSidelink
The UuMessageTransferSidelink message is used for the sidelink transfer of Paging message and System Information messages.
Signalling radio bearer: SL-SRB3
RLC-SAP: AM
Logical channel: SCCH
Direction: L2 U2N Relay UE to L2 U2N Remote UE
UuMessageTransferSidelink message
— ASN1START
— TAG-UUMESSAGETRANSFERSIDELINK-START
UuMessageTransferSidelink-r17 ::= SEQUENCE {
criticalExtensions CHOICE {
uuMessageTransferSidelink-r17 UuMessageTransferSidelink-r17-IEs,
criticalExtensionsFuture SEQUENCE {}
}
}
UuMessageTransferSidelink-r17-IEs ::= SEQUENCE {
sl-PagingDelivery-r17 OCTET STRING (CONTAINING PagingRecord) OPTIONAL, — Need N
sl-SIB1-Delivery-r17 OCTET STRING (CONTAINING SIB1) OPTIONAL, — Need N
sl-SystemInformationDelivery-r17 OCTET STRING (CONTAINING SystemInformation) OPTIONAL, — Need N
lateNonCriticalExtension OCTET STRING OPTIONAL,
nonCriticalExtension SEQUENCE {} OPTIONAL
}
— TAG-UUMESSAGETRANSFERSIDELINK-STOP
— ASN1STOP
|
UuMessageTransferSidelink-IEs field descriptions |
|
sl-PagingDelivery This field is used to transfer PagingRecord relevant to the L2 U2N Remote UE in RRC_IDLE or RRC_INACTIVE. |
|
sl-SIB1-Delivery This field is used to transfer SIB1 to the L2 U2N Remote UE in RRC_IDLE or RRC_INACTIVE. |
|
sl-SystemInformationDelivery This field is used to transfer SIBs to the L2 U2N Remote UE in RRC_IDLE or RRC_INACTIVE. |
– End of PC5-RRC-Definitions
— ASN1START
END
— ASN1STOP