PDCP-Parameters

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

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

First seen v15.0.0 (2018-01) · Last changed v18.2.0 (2024-07)

Definition

The IE PDCP-Parameters is used to convey capabilities related to PDCP.

PDCP-Parameters ::=         SEQUENCE {
    supportedROHC-Profiles      SEQUENCE {
        profile0x0000               BOOLEAN,
        profile0x0001               BOOLEAN,
        profile0x0002               BOOLEAN,
        profile0x0003               BOOLEAN,
        profile0x0004               BOOLEAN,
        profile0x0006               BOOLEAN,
        profile0x0101               BOOLEAN,
        profile0x0102               BOOLEAN,
        profile0x0103               BOOLEAN,
        profile0x0104               BOOLEAN
    },
    maxNumberROHC-ContextSessions       ENUMERATED {cs2, cs4, cs8, cs12, cs16, cs24, cs32, cs48, cs64,
        cs128, cs256, cs512, cs1024, cs16384, spare2, spare1},
    uplinkOnlyROHC-Profiles             ENUMERATED {supported}      OPTIONAL,
    continueROHC-Context                ENUMERATED {supported}      OPTIONAL,
    outOfOrderDelivery                  ENUMERATED {supported}      OPTIONAL,
    shortSN                             ENUMERATED {supported}      OPTIONAL,
    pdcp-DuplicationSRB                 ENUMERATED {supported}      OPTIONAL,
    pdcp-DuplicationMCG-OrSCG-DRB       ENUMERATED {supported}      OPTIONAL,
    ...,
    [[
        drb-IAB-r16                         ENUMERATED {supported}      OPTIONAL,
        non-DRB-IAB-r16                     ENUMERATED {supported}      OPTIONAL,
        extendedDiscardTimer-r16            ENUMERATED {supported}      OPTIONAL,
        continueEHC-Context-r16             ENUMERATED {supported}      OPTIONAL,
        ehc-r16                             ENUMERATED {supported}      OPTIONAL,
        maxNumberEHC-Contexts-r16           ENUMERATED {cs2, cs4, cs8, cs16, cs32, cs64, cs128, cs256, cs512,
            cs1024, cs2048, cs4096, cs8192, cs16384, cs32768, cs65536}    OPTIONAL,
        jointEHC-ROHC-Config-r16            ENUMERATED {supported}      OPTIONAL,
        pdcp-DuplicationMoreThanTwoRLC-r16  ENUMERATED {supported}      OPTIONAL
    ]],
    [[
        longSN-RedCap-r17                   ENUMERATED {supported}      OPTIONAL,
        udc-r17                             SEQUENCE {
            standardDictionary-r17              ENUMERATED {supported}  OPTIONAL,
            operatorDictionary-r17              SEQUENCE {
                versionOfDictionary-r17             INTEGER (0..15),
                associatedPLMN-ID-r17               PLMN-Identity
            }                                                           OPTIONAL,
            continueUDC-r17                     ENUMERATED {supported}  OPTIONAL,
            supportOfBufferSize-r17             ENUMERATED {kbyte4, kbyte8}  OPTIONAL
        }                                                               OPTIONAL
    ]],
    [[
        longSN-NCR-r18                      ENUMERATED {supported}      OPTIONAL,
        supportOfPDU-SetDiscard-r18         ENUMERATED {supported}      OPTIONAL,
        psi-BasedDiscard-r18                ENUMERATED {supported}      OPTIONAL,
        supportOfSN-GapReport-r18           ENUMERATED {supported}      OPTIONAL
    ]]
}

Fields (38)

Used by (1)

• UE-NR-Capability

Uses (1)

• PLMN-Identity

In the viewer

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