UEInformationRequest (UEInformationRequest-r16)

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

UEInformationRequest-r16 is an RRC message of 3GPP TS 38.331 (38331), the 5G NR Radio Resource Control (RRC) protocol.

First seen v16.0.0 (2020-04) · Last changed v19.0.0 (2025-10), in UEInformationRequest-v1800-IEs

Definition

The UEInformationRequest message is used by the network to retrieve information from the UE.

UEInformationRequest-r16 ::=     SEQUENCE {
    rrc-TransactionIdentifier        RRC-TransactionIdentifier,
    criticalExtensions               CHOICE {
        ueInformationRequest-r16         UEInformationRequest-r16-IEs,
        criticalExtensionsFuture         SEQUENCE {}
    }
}

Fields (4)

Field	Description
rrc-TransactionIdentifier RRC-TransactionIdentifier
criticalExtensions CHOICE {
ueInformationRequest-r16 UEInformationRequest-r16-IEs
criticalExtensionsFuture SEQUENCE {}

Fields of UEInformationRequest-r16-IEs (8)

Field	Description
idleModeMeasurementReq-r16 ENUMERATED{true} · OPTIONAL Need N	This field indicates that the UE shall report the idle/inactive measurement information, if available, to the network in the UEInformationResponse message.
logMeasReportReq-r16 ENUMERATED {true} · OPTIONAL Need N	This field is used to indicate whether the UE shall report information about logged measurements.
connEstFailReportReq-r16 ENUMERATED {true} · OPTIONAL Need N	This field is used to indicate whether the UE shall report information about the connection failure.
ra-ReportReq-r16 ENUMERATED {true} · OPTIONAL Need N	This field is used to indicate whether the UE shall report information about the random access procedure.
rlf-ReportReq-r16 ENUMERATED {true} · OPTIONAL Need N	This field is used to indicate whether the UE shall report information about the radio link failure.
mobilityHistoryReportReq-r16 ENUMERATED {true} · OPTIONAL Need N	This field is used to indicate whether the UE shall report information about mobility history information.
lateNonCriticalExtension OCTET STRING · OPTIONAL
nonCriticalExtension UEInformationRequest-v1700-IEs · OPTIONAL

Fields of UEInformationRequest-v1700-IEs (3)

Field	Description
successHO-ReportReq-r17 ENUMERATED {true} · OPTIONAL Need N since v17.0.0	This field is used to indicate whether the UE shall report information about the successful handover report.
coarseLocationRequest-r17 ENUMERATED {true} · OPTIONAL Need N since v17.1.0	This field is used to request UE to report coarse location information.
nonCriticalExtension UEInformationRequest-v1800-IEs · OPTIONAL since v17.0.0

Fields of UEInformationRequest-v1800-IEs (5)

Field	Description
flightPathInfoReq-r18 FlightPathInfoReportConfig-r18 · OPTIONAL Need N since v18.0.0	This field is used to indicate whether the UE shall report the flight path information, if available, and to specify the flight path information report configuration.
successPSCell-ReportReq-r18 ENUMERATED {true} · OPTIONAL Need N since v18.0.0	This field is used to indicate whether the UE shall report information about the successful PSCell change or addition report.
reselectionMeasurementReq-r18 ENUMERATED {true} · OPTIONAL Need N since v18.1.0	This field indicates that the UE shall report the reselection measurement information, if available, to the network in the UEInformationResponse message.
validatedMeasurementsReq-r18 ENUMERATED {true} · OPTIONAL Need N since v18.2.0
nonCriticalExtension UEInformationRequest-v1900-IEs · OPTIONAL since v18.0.0

Fields of UEInformationRequest-v1900-IEs (2)

Field	Description
csi-LogMeasReportReq-r19 ENUMERATED {true} · OPTIONAL Need N since v19.0.0	This field is used to indicate whether the UE shall report information about CSI radio measurements logged in RRC_CONNECTED for network-side data collection.
nonCriticalExtension SEQUENCE {} · OPTIONAL since v19.0.0

Used by (1)

DL-DCCH-MessageType