SL-SourceIdentity (SL-SourceIdentity-r17)

RRC IE · TS 38.331 v19.4.0 (2026-09) · clause 6.3.5

SL-SourceIdentity-r17 is an RRC information element of 3GPP TS 38.331 (38331), the 5G NR Radio Resource Control (RRC) protocol.

First seen v17.0.0 (2022-04) · Not changed since

Definition

The IE SL-SourceIdentity is used to identify a source of a NR sidelink communication.

SL-SourceIdentity-r17 ::=   BIT STRING (SIZE (24))

Used by (10)

• RelaysTriggeredList-r17
• SL-IndirectPathAddChange-r18
• SL-MeasResultRelay-r17
• SL-PathSwitchConfig-r17
• SL-SRAP-ConfigPC5-r18
• SL-SourceRemoteUE-Config-r18
• SL-TxResourceReqDisc-r17
• SL-U2U-Info-r18
• SL-U2U-RemoteUE-Config-r18
• SidelinkUEInformationNR-v1700-IEs

In the viewer

• Read SL-SourceIdentity in v19.4.0
• History of SL-SourceIdentity-r17 across versions
• All versions of TS 38.331
• ASN.1 index