ConditionalReconfiguration (ConditionalReconfiguration-r16)

RRC IE · TS 38.331 v19.4.0 (2026-09) · clause 6.3.2

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

First seen v16.0.0 (2020-04) · Last changed v18.2.0 (2024-07)

Definition

The IE ConditionalReconfiguration is used to add, modify and release the configuration of conditional reconfiguration.

ConditionalReconfiguration-r16 ::=   SEQUENCE {
    attemptCondReconfig-r16              ENUMERATED {true}              OPTIONAL,   -- Cond CHO
    condReconfigToRemoveList-r16         CondReconfigToRemoveList-r16   OPTIONAL,   -- Need N
    condReconfigToAddModList-r16         CondReconfigToAddModList-r16   OPTIONAL,   -- Need N
    ...,
    [[
        scpac-ReferenceConfiguration-r18     SetupRelease {ReferenceConfiguration-r18}          OPTIONAL,   -- Need M
        servingSecurityCellSetId-r18         SecurityCellSetId-r18                              OPTIONAL,   -- Need M
        sk-CounterConfiguration-r18          SK-CounterConfiguration-r18                        OPTIONAL    -- Need M
    ]]
}

Candidate change requests of v18.2.0

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

CR 4705 r2 (strong): Miscellaneous corrections on further mobility enhancements in NR

Fields (6)

Field	Description
attemptCondReconfig-r16 ENUMERATED {true} · OPTIONAL Cond CHO	If present, the UE shall perform conditional reconfiguration if selected cell is a target candidate cell and it is the first cell selection after failure as described in clause 5.3.7.3.
condReconfigToRemoveList-r16 CondReconfigToRemoveList-r16 · OPTIONAL Need N since v16.1.0	List of the configuration of candidate SpCells to be removed.
condReconfigToAddModList-r16 CondReconfigToAddModList-r16 · OPTIONAL Need N since v16.1.0	List of the configuration of candidate SpCells to be added or modified for CHO, CPA, CPC or subsequent CPAC.
scpac-ReferenceConfiguration-r18 SetupRelease {ReferenceConfiguration-r18} · OPTIONAL Need M since v18.0.0	Includes the reference configuration for the candidate supporting subsequent CPAC.
servingSecurityCellSetId-r18 SecurityCellSetId-r18 · OPTIONAL Need M since v18.0.0	This field identifies the security cell set for serving PSCell. The network does not provide this field for the conditional reconfiguration(s) generated by the SN.
sk-CounterConfiguration-r18 SK-CounterConfiguration-r18 · OPTIONAL Need M since v18.0.0

Used by (1)

RRCReconfiguration-v1610-IEs

ConditionalReconfiguration (ConditionalReconfiguration-r16)

Definition

Candidate change requests of v18.2.0

Fields (6)

Used by (1)

Uses (6)

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