TR 24.890 – 5G NAS Protocol for 5GS Stage 3
3GPP TR 24.890 is the 3GPP Technical Report for 5G NAS Protocol for 5GS Stage 3. It is published in 2 releases (Rel-15 to Rel-16); the latest version is 16.0.0 in Rel-16.
Specifies Non-Access Stratum (NAS) protocol for 5G System, covering idle mode UE functions, signaling procedures, and service support.
Releases and versions of TR 24.890
| Release | Latest version | Links |
|---|---|---|
| Rel-16 | 16.0.0 | Read · Download (3GPP) |
| Rel-15 | 15.1.0 | Read · Download (3GPP) |
Scope of TR 24.890
Category: Core Network (NAS). Technology generation: 5G. Network layer: CoreNetwork.
Who should read this specification?
- Network operators
- Device manufacturers
- Researchers and academics
Implementation notes
Complexity level: Advanced. Implementation difficulty: High.
Key technologies
Specifications that reference TR 24.890
- TS 38.304 NR UE Idle and Inactive State Procedures
Other specifications in the 24 series
- TR 24.841 Presence Service IP Multimedia Subsystem
- TR 24.879 CS and IMS Service Combination
- TR 24.880 Media Server Control Protocol Study for IMS
- TR 24.883 MCPTT Interworking with LMR Systems
- TR 24.930 IMS Session Setup Signalling Flows
- TR 24.969 NGCN to NGN Interconnection Implementation Guide
- TR 24.980 MCPTT IMS Profile for Gm Reference Point
Related glossary terms
Related topics
Related technologies
Frequently asked questions
What is 3GPP TR 24.890?
3GPP TR 24.890 is the 3GPP Technical Report for 5G NAS Protocol for 5GS Stage 3. Specifies Non-Access Stratum (NAS) protocol for 5G System, covering idle mode UE functions, signaling procedures, and service support.
Which 3GPP releases include TR 24.890?
TR 24.890 is published in 2 releases, from Rel-15 to Rel-16. The latest version on 3GPP Explorer is 16.0.0 (Rel-16).
What category does TR 24.890 belong to?
TR 24.890 belongs to the Core Network (NAS) category of 3GPP specifications. It applies to 5G networks.
View the full specification with interactive table of contents, version history, and AI analysis.
Read Full Specification →