CA-ParametersNR

RRC IE · TS 38.331 v19.4.0 (2026-09) · clause 6.3.3

CA-ParametersNR is an RRC information element of 3GPP TS 38.331 (38331), the 5G NR Radio Resource Control (RRC) protocol.

First seen v15.1.0 (2018-04) · Last changed v15.6.0 (2019-06)

Definition

The IE CA-ParametersNR contains carrier aggregation and inter-frequency DAPS handover related capabilities that are defined per band combination.

CA-ParametersNR ::=                 SEQUENCE {
    dummy                                         ENUMERATED {supported}      OPTIONAL,
    parallelTxSRS-PUCCH-PUSCH                     ENUMERATED {supported}      OPTIONAL,
    parallelTxPRACH-SRS-PUCCH-PUSCH               ENUMERATED {supported}      OPTIONAL,
    simultaneousRxTxInterBandCA                   ENUMERATED {supported}      OPTIONAL,
    simultaneousRxTxSUL                           ENUMERATED {supported}      OPTIONAL,
    diffNumerologyAcrossPUCCH-Group               ENUMERATED {supported}      OPTIONAL,
    diffNumerologyWithinPUCCH-GroupSmallerSCS     ENUMERATED {supported}      OPTIONAL,
    supportedNumberTAG                            ENUMERATED {n2, n3, n4}     OPTIONAL,
    ...
}

Candidate change requests of v15.6.0

The CRs whose title or cover names this change, strong and likely matches only.

• CR 1115 (strong): Modified UE capability on different numerologies within the same PUCCH group
• CR 1089 (likely): 38.331 Clarification on multiple TA capabilities

Fields (8)

Used by (2)

• BandCombination
• CA-ParametersNRDC

In the viewer

• Read CA-ParametersNR in v19.4.0
• History of CA-ParametersNR across versions
• All versions of TS 38.331
• ASN.1 index