3GPP TS 38 - rfwireless-world.com

1 3 GPP TS (2018-06) technical specification 3rd Generation Partnership Project; technical specification Group Radio Access Network; NR; Radio Resource Control (RRC) protocol specification (Release 15) The present document has been developed within the 3rd Generation Partnership Project (3 GPP TM) and may be further elaborated for the purposes of The present document has not been subject to any approval process by the 3 GPP Organizational Partners and shall not be implemented. This specification is provided for future development work within 3 GPP only. The Organizational Partners accept no liability for any use of this specification . Specifications and Reports for implementation of the 3 GPP TM system should be obtained via the 3 GPP Organizational Partners' Publications Offices. 3 GPP 2 Release 15 3 GPP TS (2018-06) 3 GPP Postal address 3 GPP support office address 650 Route des Lucioles - Sophia Antipolis Valbonne - FRANCE Tel.

2 : +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Internet Copyright Notification No part may be reproduced except as authorized by written permission. The copyright and the foregoing restriction extend to reproduction in all media. 2018, 3 GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC). All rights reserved. UMTS is a Trade Mark of ETSI registered for the benefit of its members 3 GPP is a Trade Mark of ETSI registered for the benefit of its Members and of the 3 GPP Organizational Partners LTE is a Trade Mark of ETSI registered for the benefit of its Members and of the 3 GPP Organizational Partners GSM and the GSM logo are registered and owned by the GSM Association 3 GPP 3 Release 15 3 GPP TS (2018-06) Contents Foreword .. 11 Foreword .. 12 1 Scope .. 13 2 References .. 13 3 Definitions, symbols and abbreviations.

3 14 Definitions .. 14 Abbreviations .. 14 4 General .. 16 Introduction .. 16 Architecture .. 16 UE states and state transitions including inter RAT .. 16 Signalling radio bearers .. 19 Services .. 19 Services provided to upper 19 Services expected from lower layers .. 19 Functions .. 19 5 Procedures .. 20 General .. 20 Introduction .. 20 General requirements .. 20 System information .. 20 Introduction .. 21 System information acquisition .. 21 General UE requirements .. 21 SI validity and need to (re)-acquire SI .. 22 SI validity .. 22 SI change indication and PWS notification .. 22 Acquisition of System Information .. 23 Acquisition of MIB and SIB1 .. 23 Acquisition of an SI message .. 23 Request for on demand system 24 Actions upon receipt of SI message .. 25 Actions upon reception of the 25 Actions upon reception of the SystemInformationBlockType1.

4 25 Actions upon reception of SystemInformationBlockTypeX .. 25 Essential system information missing .. 25 Connection control .. 26 Introduction .. 26 Paging .. 26 RRC connection establishment .. 26 Initial security 26 RRC reconfiguration .. 26 General .. 26 Initiation .. 27 Reception of an RRCR econfiguration by the UE .. 27 Secondary cell group release .. 28 Cell Group configuration .. 28 General .. 28 Reconfiguration with sync .. 29 RLC bearer release .. 29 RLC bearer addition/modification .. 29 MAC entity configuration .. 30 RLF Timers & Constants configuration .. 30 SPCell Configuration .. 31 SCell Release .. 31 3 GPP 4 Release 15 3 GPP TS (2018-06) SCell Addition/Modification .. 31 Radio Bearer configuration .. 31 General .. 31 SRB release .. 32 SRB 32 DRB 33 DRB addition/modification.

5 33 Security key update .. 34 Reconfiguration 34 Integrity check failure .. 34 Inability to comply with RRCR econfiguration .. 34 T304 expiry (Reconfiguration with sync Failure) .. 35 Other configuration .. 35 EN-DC release .. 35 Counter check .. 35 RRC connection re-establishment .. 35 RRC connection release requested by upper layers .. 35 Radio link failure related actions .. 35 Detection of physical layer problems in RRC_CONNECTED .. 35 Recovery of physical layer problems .. 36 Detection of radio link failure .. 36 UE actions upon leaving RRC_CONNECTED .. 36 UE actions upon PUCCH/SRS release request .. 37 Inter-RAT mobility .. 37 Measurements .. 37 Introduction .. 37 Measurement configuration .. 38 General .. 38 Measurement identity removal .. 39 Measurement identity addition/modification .. 39 Measurement object removal.

6 40 Measurement object addition/modification .. 40 Reporting configuration removal .. 41 Reporting configuration addition/modification .. 42 Quantity configuration .. 42 Measurement gap configuration .. 42 Reference signal measurement timing configuration .. 43 Measurement gap sharing configuration .. 43 Performing 43 General .. 43 Layer 3 filtering .. 45 Derivation of cell measurement results .. 45 Derivation of layer 3 beam filtered 46 Measurement report triggering .. 46 General .. 46 Event A1 (Serving becomes better than threshold) .. 48 Event A2 (Serving becomes worse than threshold) .. 48 Event A3 (Neighbour becomes offset better than SpCell) .. 49 Event A4 (Neighbour becomes better than threshold) .. 50 Event A5 (SpCell becomes worse than threshold1 and neighbour becomes better than threshold2).

7 50 Event A6 (Neighbour becomes offset better than SCell) .. 51 Measurement reporting .. 52 General .. 52 Reporting of beam measurement information .. 54 UE capabilities .. 55 UE capability transfer .. 55 General .. 55 Initiation .. 55 Reception of the UECapabilityEnquiry by the UE .. 55 Compilation of band combinations supported by the UE .. 55 Compilation of baseband processing combinations supported by the UE .. 55 3 GPP 5 Release 15 3 GPP TS (2018-06) Other .. 56 DL information transfer .. 56 UL information transfer .. 56 Editor's Note: Targeted for completion in Sept SCG failure information .. 56 General .. 56 Initiation .. 56 Failure type determination .. 57 Setting the contents of MeasResultSCG-Failure .. 57 6 Protocol data units, formats and parameters ( ) .. 59 General .. 59 Introduction.

8 59 Need codes and conditions for optional downlink fields .. 59 RRC messages .. 60 General message structure .. 60 NR-RRC-Definitions .. 60 60 DL-DCCH-Message .. 61 UL-DCCH-Message .. 61 Message definitions .. 62 MIB .. 62 MeasurementReport .. 63 RRCR econfiguration .. 64 65 SIB1 .. 66 RRC information elements .. 67 Parameterized types .. 67 SetupRelease .. 67 System information 68 Radio resource control information elements .. 68 AdditionalSpectrumEmission .. 68 Alpha .. 68 ARFCN-ValueNR .. 68 BWP .. 69 BWP-Id .. 72 BeamFailureRecoveryConfig .. 73 CellGroupConfig .. 75 CellGroupId .. 77 CodebookConfig .. 77 ConfiguredGrantConfig .. 80 83 ControlResourceSetId .. 84 CrossCarrierSchedulingConfig .. 85 CSI-AperiodicTriggerStateList .. 86 CSI-FrequencyOccupation .. 87 CSI-IM-Resource.

9 88 CSI-IM-ResourceId .. 89 CSI-IM-ResourceSet .. 89 90 CSI-MeasConfig .. 90 91 CSI-ReportConfigId .. 97 CSI-ResourceConfig .. 97 98 CSI-ResourcePeriodicityAndOffset .. 98 CSI-RS-ResourceConfigMobility .. 99 CSI-RS-ResourceMapping .. 101 CSI-SemiPersistentOnPUSCH-TriggerStateLi st .. 102 CSI-SSB-ResourceSetId .. 103 CSI-SSB-ResourceSet .. 103 104 DMRS-UplinkConfig .. 104 3 GPP 6 Release 15 3 GPP TS (2018-06) DownlinkConfigCommon .. 106 DownlinkPreemption .. 107 DRB-Identity .. 108 EUTRA-MBSFN-SubframeConfigList .. 108 FilterCoefficient .. 109 FreqBandIndicatorNR .. 110 FrequencyInfoDL .. 110 FrequencyInfoUL .. 111 112 - LogicalChannelConfig .. 113 LogicalChannelIdentity .. 114 MAC-CellGroupConfig .. 115 MeasConfig .. 119 MeasGapConfig .. 120 MeasGapSharingConfig .. 121 MeasId.

10 122 MeasIdToAddModList .. 122 MeasObjectEUTRA .. 123 MeasObjectId .. 123 MeasObjectNR .. 123 MeasObjectToAddModList .. 128 MeasResults .. 128 130 MeasResultCellListSFTD .. 131 MultiFrequencyBandListNR .. 132 NZP-CSI-RS-Resource .. 132 NZP-CSI-RS-ResourceId .. 133 NZP-CSI-RS-ResourceSet .. 133 NZP-CSI-RS-ResourceSetId .. 134 P-Max .. 135 PCI-List .. 135 PCI-Range .. 135 PCI-RangeElement .. 136 PCI-RangeIndex .. 136 PCI-RangeIndexList .. 137 PDCCH-Config .. 137 PDCCH-ConfigCommon .. 138 PDCCH-ServingCellConfig .. 139 PDCP-Config .. 140 PDSCH-Config .. 143 146 PDSCH-ServingCellConfig .. 146 PDSCH-TimeDomainResourceAllocationList .. 148 PhysCellId .. 148 PhysicalCellGroupConfig .. 149 PRB-Id .. 150 PTRS-DownlinkConfig .. 151 151 PUCCH-Config .. 153 PUCCH-ConfigCommon .. 157 PUCCH-PathlossReferenceRS-Id.