specviewer.org TS 38.331 ASN.1 index ULDedicatedMessageSegment-r16

ULDedicatedMessageSegment (ULDedicatedMessageSegment-r16)

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

ULDedicatedMessageSegment-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 v16.1.0 (2020-07), in ULDedicatedMessageSegment-r16-IEs

Definition

The ULDedicatedMessageSegment message is used to transfer segments of the UECapabilityInformation or MeasurementReportAppLayer message. SRB1 is used at transfer of segments of UECapabilityInformation and SRB4 or SRB5 is used at transfer of segments of MeasurementReportAppLayer .

ULDedicatedMessageSegment-r16 ::=       SEQUENCE {
    criticalExtensions                      CHOICE {
        ulDedicatedMessageSegment-r16           ULDedicatedMessageSegment-r16-IEs,
        criticalExtensionsFuture                SEQUENCE {}
    }
}

Fields (3)

FieldDescription
criticalExtensions
CHOICE {
ulDedicatedMessageSegment-r16
ULDedicatedMessageSegment-r16-IEs
criticalExtensionsFuture
SEQUENCE {}

Fields of ULDedicatedMessageSegment-r16-IEs (5)

FieldDescription
segmentNumber-r16
INTEGER (0..15)
Identifies the sequence number of a segment within the encoded UL DCCH message.
rrc-MessageSegmentContainer-r16
OCTET STRING
Includes a segment of the encoded UL DCCH message. The size of the included segment in this container should be small enough that the resulting encoded RRC message PDU is less than or equal to the PDCP SDU size limit.
rrc-MessageSegmentType-r16
ENUMERATED {notLastSegment, lastSegment}
since v16.1.0
Indicates whether the included UL DCCH message segment is the last segment or not.
lateNonCriticalExtension
OCTET STRING · OPTIONAL
nonCriticalExtension
SEQUENCE {} · OPTIONAL

Used by (1)

Uses (1)

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