Content for  TS 38.331  Word version:  18.0.0

set the elapsedTimeT316 in the VarRLF-Report to the value of the elapsed time of the timer T316;

set the pSCellId to the global cell identity of the PSCell, if available, otherwise to the physical cell identity and carrier frequency of the PSCell;

clear the information included in VarRLF-Report, if any;

after the cell selection, indicate the available CN Type(s) and the received cnType to upper layers;

start timer T320, with the timer value set according to the value of t320;

stop timer T331;

perform the actions as specified in clause 5.7.8.3;

store the received measIdleDuration in VarMeasIdleConfig;

start timer T331 with the value set to measIdleDuration;

if the measIdleConfig contains measIdleCarrierListNR: 4 >

if the measIdleConfig contains measIdleCarrierListEUTRA: 4 >

if the measIdleConfig contains validityAreaList: 4 >

for each of the DRB in the sdt-DRB-List: 4 >

if sdt-SRB2-Indication is configured: 4 >

for each RLC bearer (except those associated with broadcast MRBs) that is not suspended: 4 >

for SRB2 (if it is resumed) and for SRB1: 4 >

if sdt-MAC-PHY-CG-Config is configured: 4 >

apply the configuration and instruct MAC to start the inactivePosSRS-TimeAlignmentTimer;

apply the configuration and instruct MAC to start the inactivePosSRS-ValidityAreaTAT;

for the associated reportConfigId: 4 >

if the associated measObjectId is only associated to a reportConfig with reportType set to condTriggerConfig: 4 >

remove the entry with the matching measId from the measIdList within the VarMeasConfig;

if the NCR-FwdConfig includes periodic forwarding resource configuration: 4 >

else: 4 >

if the PC5-RRC connection with the U2N Relay UE is determined to be released: 4 >

else (i.e., maintain the PC5 RRC connection): 4 >

re-establish RLC entities for SRB1;

stop the timer T319 if running;

in the stored UE Inactive AS context: 4 > 4 > 4 > 4 > 4 >

replace the nextHopChainingCount with the value associated with the current KgNB;

stop the timer T319a if running and consider SDT procedure is not ongoing;

store in the UE Inactive AS Context the nextHopChainingCount received in the RRCRelease message, the current KgNB and KRRCint keys, the ROHC state, the EHC context(s), the UDC state, the stored QoS flow to DRB mapping rules, the application layer measurement configuration, the C-RNTI used in the source PCell, the cellIdentity and the physical cell identity of the source PCell, the NCR-FwdConfig (if configured), the spCellConfigCommon within ReconfigurationWithSync of the NR PSCell (if configured) and all other parameters configured except for:

• parameters within ReconfigurationWithSync of the PCell;
• parameters within ReconfigurationWithSync of the NR PSCell, if configured;
• parameters within MobilityControlInfoSCG of the E-UTRA PSCell, if configured;
• servingCellConfigCommonSIB;
• sl-L2RelayUE-Config, if configured;
• sl-L2RemoteUE-Config, if configured;
• uav-Config, if configured;

store any previously or subsequently received application layer measurement report containers for which no segment, or full message, has been submitted to lower layers for transmission;

for each application layer measurement configuration for which configForRRC-IdleInactive is set to true: 4 >

release cell identity and relay UE ID configured in sl-IndirectPathAddChange;

indicate upper layers to trigger PC5 unicast link release of the SL indirect path;

release n3c-IndirectPathAddChange;

consider the non-3GPP connection is not used;

release n3c-IndirectPathConfigRelay;

consider the non-3GPP connection is not used;

start timer T380, with the timer value set to t380;

start timer T302 with the value set to the waitTime;

inform upper layers that access barring is applicable for all access categories except categories '0' and '2';

stop timer T390 for all access categories;

perform the actions as specified in clause 5.3.14.4;

enter RRC_INACTIVE, and perform either cell selection as specified in TS 38.304, or relay selection as specified in clause 5.8.15.3, or both;

enter RRC_INACTIVE and perform cell selection as specified in TS 38.304;

perform the actions as if the UE received Paging message with the ue-Identity included in the PagingRecord matching the UE's stored fullI-RNTI, as specified in clause 5.3.2.3;

if the multicast PTM configuration is provided for a multicast session for which the UE is not indicated to stop monitoring the G-RNTI and the UE selects the same cell as the one on which it received RRCRelease: 4 > 4 >

consider radio link failure to be detected for the source MCG i.e. source RLF;

suspend the transmission and reception of all DRBs and multicast MRBs in the source MCG;

reset MAC for the source MCG;

release the source connection.

if the indication is from MCG RLC and CA duplication is configured and activated for MCG, and for the corresponding logical channel allowedServingCells only includes SCell(s): 4 >

else: 4 > 4 > 4 > 4 > 4 >

initiate the failure information procedure as specified in clause 5.7.5 to report RLC failure.

consider radio link failure to be detected for the SCG, i.e. SCG RLF;

if the SCG is deactivated: 4 > 4 >

if MCG transmission is not suspended: 4 >

else: 4 > 4 >

set the rlf-Cause as beamFailureRecoveryFailure;

set the rlf-Cause as randomAccessProblem;

set the measResultListNR in measResultNeighCells to include all the available measurement quantities of the best measured cells, other than the source PCell (in case HO failure) or PCell (in case RLF), ordered such that the cell with highest SS/PBCH block RSRP is listed first if SS/PBCH block RSRP measurement results are available, otherwise the cell with highest SS/PBCH block RSRQ is listed first if SS/PBCH block RSRQ measurement results are available, otherwise the cell with highest SS/PBCH block SINR is listed first, based on the available SS/PBCH block based measurements collected up to the moment the UE detected failure; 4 >

set the measResultListNR in measResultNeighCells to include all the available measurement quantities of the best measured cells, other than the source PCell (in case HO failure) or PCell (in case RLF), ordered such that the cell with highest CSI-RS RSRP is listed first if CSI-RS RSRP measurement results are available, otherwise the cell with highest CSI-RS RSRQ is listed first if CSI-RS RSRQ measurement results are available, otherwise the cell with highest CSI-RS SINR is listed first, based on the available CSI-RS based measurements collected up to the moment the UE detected radio link failure; 4 >

if the UE supports RLF-Report for conditional handover and if the neighbour cell is one of the candidate cells for which the reconfigurationWithSync is included in the masterCellGroup in the MCG VarConditionalReconfig at the moment of the detected failure: 4 > 4 > 4 >

for each neighbour cell included, include the optional fields that are available;

set lastHO-Type to daps;

if radio link failure was detected in the source PCell, according to clause 5.3.10.3: 4 > 4 >

if the UE executed a conditional handover toward target PCell according to the condRRCReconfig of the target PCell: 4 >

else: 4 >

set choCandidateCellList to include the global cell identity, if available, and otherwise to the physical cell identity and carrier frequency of each of the candidate target cells for conditional handover included in condRRCReconfig within the MCG VarConditionalReconfig at the time of the failed handover, excluding the candidate target cells included in measResultNeighCells;

set lastHO-Type to cho;

set the eutraFailedPCellId in failedPCellId to the global cell identity and tracking area code, if available, and otherwise to the physical cell identity and carrier frequency of the target PCell of the failed handover;

include the voiceFallbackHO;

if the last successfully executed RRCReconfiguration message including the reconfigurationWithSync concerned an intra NR handover and it was received while connected to the previous PCell to which the UE was connected before connecting to the PCell where radio link failure is detected; and

if T311 was not running before entering the PCell in which the radio link failure was detected: 4 > 4 > 4 > 4 >

else if the last RRCReconfiguration message including the reconfigurationWithSync concerned a handover to NR from E-UTRA and if the UE supports Radio Link Failure Report for Inter-RAT MRO EUTRA: 4 > 4 >

set timeSinceCHO-Reconfig to the time elapsed between the detection of the radio link failure, and the reception, in the source PCell, of the last conditionalReconfiguration including the condRRCReconfig message;

set choCandidateCellList to include the global cell identity if available, and otherwise to the physical cell identity and carrier frequency of each of all the candidate target cells for conditional handover included in condRRCReconfig within the MCG VarConditionalReconfig at the time of radio link failure, excluding the candidate target cells included in measResultNeighCells;

set the mcgRecoveryFailureCause to t316-expiry;

set the mcgRecoveryFailureCause to scgDeactivated;

set the pSCellId to the global cell identity of the PSCell, if available, otherwise to the physical cell identity and carrier frequency of the PSCell;

set the scgFailureCause value according to clause 5.7.3.5;

set the elapsedTimeSCGFailure to the time elapsed between SCG failure and the MCG failure;