UERadioPagingInformation

inter-node RRC message · TS 38.331 v19.4.0 (2026-09) · clause 11.2.2

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

First seen v15.3.0 (2018-09) · Last changed v19.0.0 (2025-10), in UERadioPagingInformation-v1840-IEs

Definition

This message is used to transfer radio paging information, covering both upload to and download from the 5GC, and between gNBs.

UERadioPagingInformation ::= SEQUENCE {
    criticalExtensions                  CHOICE {
        c1                                  CHOICE{
            ueRadioPagingInformation            UERadioPagingInformation-IEs,
            spare7 NULL,
            spare6 NULL, spare5 NULL, spare4 NULL,
            spare3 NULL, spare2 NULL, spare1 NULL
        },
        criticalExtensionsFuture            SEQUENCE {}
    }
}

Fields (11)

Field	Description
criticalExtensions CHOICE {
c1 CHOICE{
ueRadioPagingInformation UERadioPagingInformation-IEs
spare7 NULL
spare6 NULL
spare5 NULL
spare4 NULL
spare3 NULL
spare2 NULL
spare1 NULL
criticalExtensionsFuture SEQUENCE {}

Fields of UERadioPagingInformation-IEs (2)

Field	Description
supportedBandListNRForPaging SEQUENCE (SIZE (1..maxBands)) OF FreqBandIndicatorNR · OPTIONAL	Indicates the UE supported NR frequency bands which are derived by the gNB from UE-NR-Capability .
nonCriticalExtension UERadioPagingInformation-v15e0-IEs · OPTIONAL

Fields of UERadioPagingInformation-v15e0-IEs (7)

Field	Description
dl-SchedulingOffset-PDSCH-TypeA-FDD-FR1 ENUMERATED {supported} · OPTIONAL since v15.14.0	Indicates whether the UE supports DL scheduling slot offset (K0) greater than 0 for PDSCH mapping type A in FDD FR1.
dl-SchedulingOffset-PDSCH-TypeA-TDD-FR1 ENUMERATED {supported} · OPTIONAL since v15.14.0	Indicates whether the UE supports DL scheduling slot offset (K0) greater than 0 for PDSCH mapping type A in TDD FR1.
dl-SchedulingOffset-PDSCH-TypeA-TDD-FR2 ENUMERATED {supported} · OPTIONAL since v15.14.0	Indicates whether the UE supports DL scheduling slot offset (K0) greater than 0 for PDSCH mapping type A in TDD FR2.
dl-SchedulingOffset-PDSCH-TypeB-FDD-FR1 ENUMERATED {supported} · OPTIONAL since v15.14.0	Indicates whether the UE supports DL scheduling slot offset (K0) greater than 0 for PDSCH mapping type B in FDD FR1.
dl-SchedulingOffset-PDSCH-TypeB-TDD-FR1 ENUMERATED {supported} · OPTIONAL since v15.14.0	Indicates whether the UE supports DL scheduling slot offset (K0) greater than 0 for PDSCH mapping type B in TDD FR1.
dl-SchedulingOffset-PDSCH-TypeB-TDD-FR2 ENUMERATED {supported} · OPTIONAL since v15.14.0	Indicates whether the UE supports DL scheduling slot offset (K0) greater than 0 for PDSCH mapping type B in TDD FR2.
nonCriticalExtension UERadioPagingInformation-v1700-IEs · OPTIONAL since v15.14.0

Fields of UERadioPagingInformation-v1700-IEs (5)

Field	Description
ue-RadioPagingInfo-r17 OCTET STRING (CONTAINING UE-RadioPagingInfo-r17) · OPTIONAL since v17.1.0	The field is used to transfer UE capability information used for paging. The gNB generates the ue-RadioPagingInfo-r17 and the contained UE capability information is absent when not supported by the UE. The content of ue-RadioPagingInfo-r19 is generated by the UE.
inactiveStatePO-Determination-r17 ENUMERATED {supported} · OPTIONAL since v17.0.0	Indicates whether the UE supports to use the same i_s to determine PO in RRC_INACTIVE state as in RRC_IDLE state.
numberOfRxRedCap-r17 ENUMERATED {one, two} · OPTIONAL since v17.1.0	Indicates the number of Rx branches supported by a RedCap UE.
halfDuplexFDD-TypeA-RedCap-r17 SEQUENCE (SIZE (1..maxBands)) OF FreqBandIndicatorNR · OPTIONAL since v17.2.0	Indicates whether the (e)RedCap UE only supports half-duplex operation for FDD in the indicated band(s).
nonCriticalExtension UERadioPagingInformation-v1800-IEs · OPTIONAL since v17.0.0

Fields of UERadioPagingInformation-v1800-IEs (3)

Field	Description
numberOfRxERedCap-r18 ENUMERATED {one, two} · OPTIONAL since v18.0.0	Indicates the number of Rx branches supported by an eRedCap UE.
supportOf2RxXR-r18 ENUMERATED {supported} · OPTIONAL since v18.1.0	Indicates whether the UE is a 2Rx XR UE.
nonCriticalExtension UERadioPagingInformation-v1840-IEs · OPTIONAL since v18.0.0

Fields of UERadioPagingInformation-v1840-IEs (3)

Field	Description
dl-SchedulingOffset-PDSCH-TypeA-FDD-FR2-NTN-r18 ENUMERATED {supported} · OPTIONAL since v18.4.0	Indicates whether the UE supports DL scheduling slot offset (K0) greater than 0 for PDSCH mapping type A in FDD FR2-NTN.
dl-SchedulingOffset-PDSCH-TypeB-FDD-FR2-NTN-r18 ENUMERATED {supported} · OPTIONAL since v18.4.0	Indicates whether the UE supports DL scheduling slot offset (K0) greater than 0 for PDSCH mapping type B in FDD FR2-NTN.
nonCriticalExtension UERadioPagingInformation-v1900-IEs · OPTIONAL since v18.4.0

Fields of UERadioPagingInformation-v1900-IEs (8)

Field	Description
ue-RadioPagingInfo-r19 OCTET STRING (CONTAINING UE-RadioPagingInfo-r19) · OPTIONAL since v19.0.0	The field is used to transfer UE capability information used for paging. The gNB generates the ue-RadioPagingInfo-r17 and the contained UE capability information is absent when not supported by the UE. The content of ue-RadioPagingInfo-r19 is generated by the UE.
oneRxRedCapPerBand-r19 SEQUENCE (SIZE (1..maxBands)) OF FreqBandIndicatorNR · OPTIONAL since v19.0.0	Indicates whether the RedCap UE supports 1Rx branch in the indicated band(s) which is derived by the gNB from maxNumberMIMO-LayersPDSCH from UE-NR-Capability . If this field is included, the numberOfRxRedCap-r17 may be ignored by a receiving gNB.
twoRxRedCapPerBand-r19 SEQUENCE (SIZE (1..maxBands)) OF FreqBandIndicatorNR · OPTIONAL since v19.0.0	Indicates whether the RedCap UE supports 2Rx branches in the indicated band(s) which is derived by the gNB from maxNumberMIMO-LayersPDSCH from UE-NR-Capability . If this field is included, the numberOfRxRedCap-r17 may be ignored by a receiving gNB.
oneRxE-RedCapPerBand-r19 SEQUENCE (SIZE (1..maxBands)) OF FreqBandIndicatorNR · OPTIONAL since v19.0.0	Indicates whether the eRedCap UE supports 1Rx branch in the indicated band(s) which is derived by the gNB from maxNumberMIMO-LayersPDSCH from UE-NR-Capability . If this field is included, the numberOfRxERedCap-r18 may be ignored by a receiving gNB.
twoRxE-RedCapPerBand-r19 SEQUENCE (SIZE (1..maxBands)) OF FreqBandIndicatorNR · OPTIONAL since v19.0.0	Indicates whether the eRedCap UE supports 2Rx branches in the indicated band(s) which is derived by the gNB from maxNumberMIMO-LayersPDSCH from UE-NR-Capability . If this field is included, the numberOfRxERedCap-r18 may be ignored by a receiving gNB.
twoRxXR-PerBand-r19 SEQUENCE (SIZE (1..maxBands)) OF FreqBandIndicatorNR · OPTIONAL since v19.0.0	Indicates whether the UE supports 2Rx XR in the indicated band(s). If this field is included, the supportOf2RxXR-r18 may be ignored by a receiving gNB.
nesCellDTX-DRX-PerBand-r19 SEQUENCE (SIZE (1..maxBands)) OF FreqBandIndicatorNR · OPTIONAL since v19.0.0	Indicates whether the UE supports nes-CellDTX-DRX in the indicated band(s).
nonCriticalExtension SEQUENCE {} · OPTIONAL since v19.0.0

Uses (1)

UERadioPagingInformation-IEs