RRCReconfigurationComplete

RRC message · TS 38.331 v19.4.0 (2026-09) · clause 6.2.2

RRCReconfigurationComplete is an RRC message of 3GPP TS 38.331 (38331), the 5G NR Radio Resource Control (RRC) protocol.

First seen v15.0.0 (2018-01) · Last changed v19.1.0 (2026-01), in RRCReconfigurationComplete-v1900-IEs

Definition

The RRCReconfigurationComplete message is used to confirm the successful completion of an RRC connection reconfiguration.

RRCReconfigurationComplete ::=              SEQUENCE {
    rrc-TransactionIdentifier                   RRC-TransactionIdentifier,
    criticalExtensions                          CHOICE {
        rrcReconfigurationComplete                  RRCReconfigurationComplete-IEs,
        criticalExtensionsFuture                    SEQUENCE {}
    }
}

Fields (4)

Field	Description
rrc-TransactionIdentifier RRC-TransactionIdentifier
criticalExtensions CHOICE {
rrcReconfigurationComplete RRCReconfigurationComplete-IEs
criticalExtensionsFuture SEQUENCE {}

Fields of RRCReconfigurationComplete-IEs (2)

Field	Description
lateNonCriticalExtension OCTET STRING · OPTIONAL since v15.1.0
nonCriticalExtension RRCReconfigurationComplete-v1530-IEs · OPTIONAL since v15.1.0

Fields of RRCReconfigurationComplete-v1530-IEs (2)

Field	Description
uplinkTxDirectCurrentList UplinkTxDirectCurrentList · OPTIONAL since v15.3.0	The Tx Direct Current locations for the configured serving cells and BWPs if requested by the NW (see reportUplinkTxDirectCurrent in CellGroupConfig ).
nonCriticalExtension RRCReconfigurationComplete-v1560-IEs · OPTIONAL since v15.3.0

Fields of RRCReconfigurationComplete-v1560-IEs (4)

Field	Description
scg-Response CHOICE { · OPTIONAL since v15.6.0	In case of NR-DC ( nr-SCG-Response ), this field includes the RRCReconfigurationComplete message. In case of NE-DC ( eutra-SCG-Response ), this field includes the E-UTRA RRCConnectionReconfigurationComplete message as specified in TS 36.331 [10] .
nr-SCG-Response OCTET STRING (CONTAINING RRCReconfigurationComplete) since v15.6.0
eutra-SCG-Response OCTET STRING since v15.6.0
nonCriticalExtension RRCReconfigurationComplete-v1610-IEs · OPTIONAL since v15.6.0

Fields of RRCReconfigurationComplete-v1610-IEs (3)

Field	Description
ue-MeasurementsAvailable-r16 UE-MeasurementsAvailable-r16 · OPTIONAL since v16.2.0
needForGapsInfoNR-r16 NeedForGapsInfoNR-r16 · OPTIONAL since v16.1.0	This field is used to indicate the measurement gap requirement information of the UE for NR target bands.
nonCriticalExtension RRCReconfigurationComplete-v1640-IEs · OPTIONAL since v16.1.0

Fields of RRCReconfigurationComplete-v1640-IEs (2)

Field	Description
uplinkTxDirectCurrentTwoCarrierList-r16 UplinkTxDirectCurrentTwoCarrierList-r16 · OPTIONAL since v16.4.1	The Tx Direct Current locations for the configured uplink intra-band CA with two carriers if requested by the NW (see reportUplinkTxDirectCurrentTwoCarrier-r16 in CellGroupConfig ).
nonCriticalExtension RRCReconfigurationComplete-v1700-IEs · OPTIONAL since v16.4.1

Fields of RRCReconfigurationComplete-v1700-IEs (4)

Field	Description
needForGapNCSG-InfoNR-r17 NeedForGapNCSG-InfoNR-r17 · OPTIONAL since v17.1.0	This field is used to indicate the measurement gap and NCSG requirement information of the UE for NR target bands.
needForGapNCSG-InfoEUTRA-r17 NeedForGapNCSG-InfoEUTRA-r17 · OPTIONAL since v17.1.0	This field is used to indicate the measurement gap and NCSG requirement information of the UE for E-UTRA target bands.
selectedCondRRCReconfig-r17 CondReconfigId-r16 · OPTIONAL since v17.0.0	This field indicates the ID of the selected conditional reconfiguration the UE applied upon the execution of CPA or inter-SN CPC or subsequent CPAC.
nonCriticalExtension RRCReconfigurationComplete-v1720-IEs · OPTIONAL since v17.0.0

Fields of RRCReconfigurationComplete-v1720-IEs (2)

Field	Description
uplinkTxDirectCurrentMoreCarrierList-r17 UplinkTxDirectCurrentMoreCarrierList-r17 · OPTIONAL since v17.2.0	The Tx Direct Current locations for the configured intra-band CA requested by reportUplinkTxDirectCurrentMoreCarrier-r17 .
nonCriticalExtension RRCReconfigurationComplete-v1800-IEs · OPTIONAL since v17.2.0

Fields of RRCReconfigurationComplete-v1800-IEs (7)

Field	Description
needForInterruptionInfoNR-r18 NeedForInterruptionInfoNR-r18 · OPTIONAL since v18.0.0	This field indicates whether interruption is needed while performing measurement on NR target bands without measurement gap.
flightPathInfoAvailable-r18 ENUMERATED {true} · OPTIONAL since v18.0.0
selectedPSCellForCHO-WithSCG-r18 SelectedPSCellForCHO-WithSCG-r18 · OPTIONAL since v18.0.0	This field indicates the information of the selected target PSCell to target MN at execution of a conditional reconfiguration for CHO with candidate SCG(s).
selectedSK-Counter-r18 SK-Counter · OPTIONAL since v18.0.0	This field includes the selected sk-counter value for security key update upon the execution of subsequent CPAC or LTM on the SCG.
measConfigReportAppLayerAvailable-r18 ENUMERATED {true} · OPTIONAL since v18.1.0	Indication that the UE has at least one application layer measurement configuration with appLayerIdleInactiveConfig configured.
appliedLTM-CandidateId-r18 LTM-CandidateId-r18 · OPTIONAL since v18.2.0
nonCriticalExtension RRCReconfigurationComplete-v1900-IEs · OPTIONAL since v18.0.0

Fields of RRCReconfigurationComplete-v1900-IEs (4)

Field	Description
applicabilityReportList-r19 ApplicabilityReportList-r19 · OPTIONAL since v19.0.0	The applicability reports related to prediction configurations and/or sets of parameters for prediction configurations.
csi-LogMeasAvailable-r19 ENUMERATED {true} · OPTIONAL since v19.0.0	Indicates that the UE has logged CSI radio measurements for network-side data collection to be reported to the network.
assisted-SSB-MTC-MG-Report-r19 BIT STRING (SIZE (7)) · OPTIONAL since v19.1.0	This field indicates the reference locations that are closest to the UE for assisted SMTC and measurement gap configuration in RRC_CONNECTED state. The UE sets the bit at a given position to '1' if the reference location at the corresponding position in the refLocList is one of the closest locations, and to '0' otherwise. The first bit in the string corresponds to the first reference location in the list, and so on.
nonCriticalExtension SEQUENCE {} · OPTIONAL since v19.0.0