TS 38.351 – Sidelink Relay Adaptation Protocol (SRAP)
3GPP TS 38.351 is the 3GPP Technical Specification for Sidelink Relay Adaptation Protocol (SRAP). Its official 3GPP title is “Sidelink Relay Adaptation Protocol (SRAP) Specification”. It is published in 3 releases (Rel-17 to Rel-19); the latest version is 19.1.0 in Rel-19.
Specifies SRAP for UE-to-Network and UE-to-UE relay communication in 5G sidelink, handling data transfer and routing.
Releases and versions of TS 38.351
| Release | Latest version | Links |
|---|---|---|
| Rel-19 | 19.1.0 | Read · Download (3GPP) |
| Rel-18 | 18.4.0 | Read · Download (3GPP) |
| Rel-17 | 17.8.0 | Read · Download (3GPP) |
Scope of TS 38.351
Category: Radio Access (Sidelink). Technology generation: 5G. Network layer: RAN.
Who should read this specification?
- Network operators
- Device manufacturers
- Researchers and academics
Implementation notes
Complexity level: Advanced. Implementation difficulty: Medium.
Key technologies
Specifications referenced by TS 38.351
Specifications that reference TS 38.351
Other specifications in the 38 series
- TS 38.322 NR Radio Link Control (RLC) Protocol Specification
- TS 38.323 PDCP Protocol Specification
- TS 38.331 NR Radio Resource Control (RRC)
- TS 38.340 Backhaul Adaptation Protocol (BAP) Specification
- TS 38.355 Sidelink Positioning Protocol (SLPP) Specification
- TS 38.391 Ambient IoT MAC Protocol
- TS 38.401 NG-RAN Architecture Description
- TS 38.410 NG-RAN; NG General Aspects and Principles
Related glossary terms
Related topics
Related technologies
Frequently asked questions
What is 3GPP TS 38.351?
3GPP TS 38.351 is the 3GPP Technical Specification for Sidelink Relay Adaptation Protocol (SRAP). Specifies SRAP for UE-to-Network and UE-to-UE relay communication in 5G sidelink, handling data transfer and routing.
Which 3GPP releases include TS 38.351?
TS 38.351 is published in 3 releases, from Rel-17 to Rel-19. The latest version on 3GPP Explorer is 19.1.0 (Rel-19).
What category does TS 38.351 belong to?
TS 38.351 belongs to the Radio Access (Sidelink) category of 3GPP specifications. It applies to 5G networks.
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