RRCResumeRequest

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

RRCResumeRequest is an RRC message of 3GPP TS 38.331 (38331), the 5G NR Radio Resource Control (RRC) protocol.

First seen v15.3.0 (2018-09) · Not changed since

Definition

The RRCResumeRequest message is used to request the resumption of a suspended RRC connection or perform an RNA update.

RRCResumeRequest ::=            SEQUENCE {
    rrcResumeRequest            RRCResumeRequest-IEs
}

Field	Description
rrcResumeRequest RRCResumeRequest-IEs

Field	Description
resumeIdentity ShortI-RNTI-Value	UE identity to facilitate UE context retrieval at gNB.
resumeMAC-I BIT STRING (SIZE (16))	Authentication token to facilitate UE authentication at gNB. The 16 least significant bits of the MAC-I calculated using the AS security configuration as specified in 5.3.13.3.
resumeCause ResumeCause	Provides the resume cause for the RRC connection resume request as provided by the upper layers or RRC. The network is not expected to reject an RRCResumeRequest due to unknown cause value being used by the UE.
spare BIT STRING (SIZE (1))