TS 24.502 – Non-3GPP Access Network Discovery and Selection
3GPP TS 24.502 is the 3GPP Technical Specification for Non-3GPP Access Network Discovery and Selection. Its official 3GPP title is “Access to the 3GPP 5G Core Network (5GCN) via Non-3GPP Access Networks (N3AN)”. It is published in 6 releases (Rel-15 to Rel-20); the latest version is 20.0.0 in Rel-20.
Specifies procedures for non-3GPP access network discovery, selection, and security association management for 5G networks.
Releases and versions of TS 24.502
| Release | Latest version | Links |
|---|---|---|
| Rel-20 | 20.0.0 | Read · Download (3GPP) |
| Rel-19 | 19.4.0 | Read · Download (3GPP) |
| Rel-18 | 18.8.0 | Read · Download (3GPP) |
| Rel-17 | 17.10.0 | Read · Download (3GPP) |
| Rel-16 | 16.11.0 | Read · Download (3GPP) |
| Rel-15 | 15.8.0 | Read · Download (3GPP) |
Scope of TS 24.502
Category: Core Network (Authentication). 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 referenced by TS 24.502
- TS 33.402 Security for non-3GPP access to EPS
- TS 23.122 Idle Mode and PLMN Selection Procedures
- TS 23.503 5G Policy and Charging Control Framework
- TS 24.526 5GS UE Policies
- TS 23.402 EPC for Non-3GPP Access (PMIP)
- TR 21.905 3GPP Terminology and Definitions
- TS 24.007 Layer 3 Architecture for GSM/UMTS/EPS/5GS
- TS 24.008 NAS Call, Mobility and Session Procedures
- TS 38.413 NG Application Protocol (NGAP) Specification
- TS 23.501 5G System Architecture
- TS 31.102 USIM Application Specification
- TS 24.368 NAS Configuration Management Object
Specifications that reference TS 24.502
- TS 23.501 5G System Architecture
- TS 23.502 5G System Procedures
- TS 24.008 NAS Call, Mobility and Session Procedures
- TS 24.229 IMS SIP/SDP Call Control Protocol
- TS 24.501 5GS NAS Protocol Specification
- TS 24.007 Layer 3 Architecture for GSM/UMTS/EPS/5GS
- TS 31.102 USIM Application Specification
- TS 23.316 Wireless and wireline convergence access support
- TS 23.700 Study on SEAL Phase 4
- TS 24.302 Access to EPC via non-3GPP networks; Stage 3
- TS 24.526 5GS UE Policies
- TS 33.402 Security for non-3GPP access to EPS
Other specifications in the 24 series
- TS 24.483 Mission Critical Services Management Objects
- TS 24.484 Mission Critical Services Configuration Management
- TS 24.486 V2X Application Enabler (VAE) Protocol Spec
- TS 24.501 5GS NAS Protocol Specification
- TS 24.503 TISPAN Endorsement of SIP/SDP Call Control
- TS 24.504 Communication Diversion (CDIV) Protocol Specification
- TS 24.505 Protocol Description of the Conference Service
- TS 24.508 TIP and TIR Service Protocol Description
Frequently asked questions
What is 3GPP TS 24.502?
3GPP TS 24.502 is the 3GPP Technical Specification for Non-3GPP Access Network Discovery and Selection. Specifies procedures for non-3GPP access network discovery, selection, and security association management for 5G networks.
Which 3GPP releases include TS 24.502?
TS 24.502 is published in 6 releases, from Rel-15 to Rel-20. The latest version on 3GPP Explorer is 20.0.0 (Rel-20).
What category does TS 24.502 belong to?
TS 24.502 belongs to the Core Network (Authentication) category of 3GPP specifications. It applies to 5G networks.
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