Section: – SIB12
Content: SIB12 contains NR sidelink communication/discovery configuration. SIB12 information element -- ASN1START -- TAG-SIB12-START SIB12-r16 ::= SEQUENCE { segmentNumber-r16 INTEGER (0..63), segmentType-r16 ENUMERATED {notLastSegment, lastSegment}, segmentContainer-r16 OCTET STRING } SIB12-IEs-r16 ::= SEQUENCE { sl-ConfigCommonNR-r16 SL-ConfigCommonNR-r16, lateNonCriticalExtension OCTET STRING OPTIONAL, ..., [[ sl-DRX-ConfigCommonGC-BC-r17 SL-DRX-ConfigGC-BC-r17 OPTIONAL, -- Need R sl-DiscConfigCommon-r17 SL-DiscConfigCommon-r17 OPTIONAL, -- Need R sl-L2U2N-Relay-r17 ENUMERATED {enabled} OPTIONAL, -- Need R sl-NonRelayDiscovery-r17 ENUMERATED {enabled} OPTIONAL, -- Need R sl-L3U2N-RelayDiscovery-r17 ENUMERATED {enabled} OPTIONAL, -- Need R sl-TimersAndConstantsRemoteUE-r17 UE-TimersAndConstantsRemoteUE-r17 OPTIONAL -- Need R ]], [[ sl-FreqInfoListSizeExt-v1800 SEQUENCE (SIZE (1..maxNrofFreqSL-1-r18)) OF SL-FreqConfigCommon-r16 OPTIONAL, -- Need R sl-RLC-BearerConfigListSizeExt-v1800 SEQUENCE (SIZE (1..maxSL-LCID-r16)) OF SL-RLC-BearerConfig-r16 OPTIONAL, -- Need R sl-SyncFreqList-r18 SEQUENCE (SIZE (1..maxNrofFreqSL-r16)) OF SL-Freq-Id-r16 OPTIONAL, -- Need R sl-SyncTxMultiFreq-r18 ENUMERATED {true} OPTIONAL, -- Need R sl-MaxTransPowerCA-r18 P-Max OPTIONAL, -- Need R sl-DiscConfigCommon-v1800 SL-DiscConfigCommon-v1800 OPTIONAL -- Need R ]] } SL-ConfigCommonNR-r16 ::= SEQUENCE { sl-FreqInfoList-r16 SEQUENCE (SIZE (1..maxNrofFreqSL-r16)) OF SL-FreqConfigCommon-r16 OPTIONAL, -- Need R sl-UE-SelectedConfig-r16 SL-UE-SelectedConfig-r16 OPTIONAL, -- Need R sl-NR-AnchorCarrierFreqList-r16 SL-NR-AnchorCarrierFreqList-r16 OPTIONAL, -- Need R sl-EUTRA-AnchorCarrierFreqList-r16 SL-EUTRA-AnchorCarrierFreqList-r16 OPTIONAL, -- Need R sl-RadioBearerConfigList-r16 SEQUENCE (SIZE (1..maxNrofSLRB-r16)) OF SL-RadioBearerConfig-r16 OPTIONAL, -- Need R sl-RLC-BearerConfigList-r16 SEQUENCE (SIZE (1..maxSL-LCID-r16)) OF SL-RLC-BearerConfig-r16 OPTIONAL, -- Need R sl-MeasConfigCommon-r16 SL-MeasConfigCommon-r16 OPTIONAL, -- Need R sl-CSI-Acquisition-r16 ENUMERATED {enabled} OPTIONAL, -- Need R sl-OffsetDFN-r16 INTEGER (1..1000) OPTIONAL, -- Need R t400-r16 ENUMERATED {ms100, ms200, ms300, ms400, ms600, ms1000, ms1500, ms2000} OPTIONAL, -- Need R sl-MaxNumConsecutiveDTX-r16 ENUMERATED {n1, n2, n3, n4, n6, n8, n16, n32} OPTIONAL, -- Need R sl-SSB-PriorityNR-r16 INTEGER (1..8) OPTIONAL -- Need R } SL-NR-AnchorCarrierFreqList-r16 ::= SEQUENCE (SIZE (1..maxFreqSL-NR-r16)) OF ARFCN-ValueNR SL-EUTRA-AnchorCarrierFreqList-r16 ::= SEQUENCE (SIZE (1..maxFreqSL-EUTRA-r16)) OF ARFCN-ValueEUTRA SL-DiscConfigCommon-r17 ::= SEQUENCE { sl-RelayUE-ConfigCommon-r17 SL-RelayUE-Config-r17, sl-RemoteUE-ConfigCommon-r17 SL-RemoteUE-Config-r17 } SL-DiscConfigCommon-v1800 ::= SEQUENCE { sl-RelayUE-ConfigCommonU2U-r18 SL-RelayUE-ConfigU2U-r18, sl-RemoteUE-ConfigCommonU2U-r18 SL-RemoteUE-ConfigU2U-r18 } -- TAG-SIB12-STOP -- ASN1STOP Editor's Note: FFS whether the old indication for R17 U2N Relay can be used for R18 U2U Relay or a new U2U Relay-specific indication is needed for gNB capability of supporting U2U Relay. Editor's Note: The mapping configuration (from e2e SLRB to RLC channel) is needed in pre-configuration. The existing table format is used as a baseline, subject to discussion during maintenance.