UEInformationResponse (UEInformationResponse-r16)

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

UEInformationResponse-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 UEInformationResponse-v1800-IEs

Definition

The UEInformationResponse message is used by the UE to transfer information requested by the network.

UEInformationResponse-r16 ::=        SEQUENCE {
    rrc-TransactionIdentifier            RRC-TransactionIdentifier,
    criticalExtensions                   CHOICE {
        ueInformationResponse-r16            UEInformationResponse-r16-IEs,
        criticalExtensionsFuture             SEQUENCE {}
    }
}

Fields (4)

Field	Description
rrc-TransactionIdentifier RRC-TransactionIdentifier
criticalExtensions CHOICE {
ueInformationResponse-r16 UEInformationResponse-r16-IEs
criticalExtensionsFuture SEQUENCE {}

Fields of UEInformationResponse-r16-IEs (9)

Field	Description
measResultIdleEUTRA-r16 MeasResultIdleEUTRA-r16 · OPTIONAL	EUTRA measurement results performed during RRC_INACTIVE or RRC_IDLE.
measResultIdleNR-r16 MeasResultIdleNR-r16 · OPTIONAL	NR measurement results performed during RRC_INACTIVE or RRC_IDLE.
logMeasReport-r16 LogMeasReport-r16 · OPTIONAL	This field is used to provide the measurement results stored by the UE associated to logged MDT.
connEstFailReport-r16 ConnEstFailReport-r16 · OPTIONAL	This field is used to provide connection establishment failure or connection resume failure information .
ra-ReportList-r16 RA-ReportList-r16 · OPTIONAL	This field is used to provide the list of RA reports that is stored by the UE for up to maxRAReport-r16 number of random access procedures. If the UE is an eRedCap UE, this field is used to provide the list of RA reports that is stored by the UE for up to 2 number of random access procedures.
rlf-Report-r16 RLF-Report-r16 · OPTIONAL	This field is used to indicate the RLF report related contents.
mobilityHistoryReport-r16 MobilityHistoryReport-r16 · OPTIONAL
lateNonCriticalExtension OCTET STRING · OPTIONAL
nonCriticalExtension UEInformationResponse-v1700-IEs · OPTIONAL

Fields of UEInformationResponse-v1700-IEs (4)

Field	Description
successHO-Report-r17 SuccessHO-Report-r17 · OPTIONAL since v17.0.0	This field is used to provide the successful handover report if triggered based on the successful handover configuration.
connEstFailReportList-r17 ConnEstFailReportList-r17 · OPTIONAL since v17.0.0	This field is used to provide the list of connEstFailReport that are stored by the UE for the past up to maxCEFReport-r17.
coarseLocationInfo-r17 OCTET STRING · OPTIONAL since v17.1.0	Parameter type Ellipsoid-Point defined in TS 37.355 [49]. The first/leftmost bit of the first octet contains the most significant bit. The least significant bits of degreesLatitude and degreesLongitude are set to 0 to meet the accuracy requirement corresponds to a granularity of approximately 2 km. It is up to UE implementation how many LSBs are set to 0 to meet the accuracy requirement.
nonCriticalExtension UEInformationResponse-v1800-IEs · OPTIONAL since v17.0.0

Fields of UEInformationResponse-v1800-IEs (4)

Field	Description
flightPathInfoReport-r18 FlightPathInfoReport-r18 · OPTIONAL since v18.0.0	This field is used to provide the flight path information as list of waypoints and, if available, corresponding timestamps. List of size zero indicates the previously provided flight path information is no longer valid.
successPSCell-Report-r18 SuccessPSCell-Report-r18 · OPTIONAL since v18.0.0	This field is used to provide the successful PSCell change or addition report if triggered based on the successful PSCell change or addition report configuration.
measResultReselectionNR-r18 MeasResultIdleNR-r16 · OPTIONAL since v18.1.0
nonCriticalExtension UEInformationResponse-v1900-IEs · OPTIONAL since v18.0.0

Fields of UEInformationResponse-v1900-IEs (2)

Field	Description
csi-LogMeasReport-r19 CSI-LogMeasReport-r19 · OPTIONAL since v19.0.0	This field is used to provide the logged measurement results for network-side data collection, stored by the UE in accordance with the CSI-LoggedMeasurementConfig.
nonCriticalExtension SEQUENCE {} · OPTIONAL since v19.0.0

Used by (1)

UL-DCCH-MessageType