NG-5G-S-TMSI

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

NG-5G-S-TMSI is an RRC information element 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 IE NG-5G-S-TMSI contains a 5G S-Temporary Mobile Subscription Identifier (5G-S-TMSI), a temporary UE identity provided by the 5GC which uniquely identifies the UE within the tracking area, see TS 23.003 [21].

NG-5G-S-TMSI ::=                         BIT STRING (SIZE (48))

Used by (3)

• PagingUE-Identity
• RRCSetupComplete-IEs
• SL-PagingIdentityRemoteUE-r17

In the viewer

• Read NG-5G-S-TMSI in v19.4.0
• History of NG-5G-S-TMSI across versions
• All versions of TS 38.331
• ASN.1 index