TS 38.355 – Sidelink Positioning Protocol (SLPP) Specification
3GPP TS 38.355 is the 3GPP Technical Specification for Sidelink Positioning Protocol (SLPP) Specification. Its official 3GPP title is “Sidelink Positioning Protocol (SLPP)”. It is published in 2 releases (Rel-18 to Rel-19); the latest version is 19.2.0 in Rel-19.
Specifies SLPP for UE-to-UE and UE-to-LMF sidelink positioning, including ranging, angle-of-arrival, and time-difference methods.
Releases and versions of TS 38.355
| Release | Latest version | Links |
|---|---|---|
| Rel-19 | 19.2.0 | Read · Download (3GPP) |
| Rel-18 | 18.8.0 | Read · Download (3GPP) |
Scope of TS 38.355
Category: Radio Access (Sidelink). Technology generation: 5G. Network layer: UE.
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 38.355
- TS 38.101 UE Radio Transmission and Reception
- TS 23.586 Ranging & Sidelink Positioning in 5GS
- TS 38.133 NR Radio Resource Management Requirements
- TS 23.304 5G Proximity Services (ProSe) Stage 2
- TS 38.321 NR MAC Protocol Specification
- TS 38.215 NR Physical Layer Measurements
- TR 21.905 3GPP Terminology and Definitions
- TS 38.331 NR Radio Resource Control (RRC)
- TS 38.305 NG-RAN UE Positioning Stage 2
- TS 23.273 5G Location Services Architecture Stage 2
- TS 38.211 NR Physical Channels and Signals
- TS 23.032 Universal Geographical Area Description
Specifications that reference TS 38.355
- TS 38.331 NR Radio Resource Control (RRC)
- TS 23.273 5G Location Services Architecture Stage 2
- TS 38.305 NG-RAN UE Positioning Stage 2
- TS 29.572 5G LMF Service-Based Interface
- TS 23.586 Ranging & Sidelink Positioning in 5GS
- TS 24.587 V2X Services Protocols for 5G System
- TS 24.514 Ranging & Sidelink Positioning in 5GS
- TS 33.533 Security for 5G Ranging & Sidelink Positioning
- TS 37.571 UE Conformance for Positioning
- TR 38.822 NR UE Feature and Capability List
Other specifications in the 38 series
- TS 38.323 PDCP Protocol Specification
- TS 38.331 NR Radio Resource Control (RRC)
- TS 38.340 Backhaul Adaptation Protocol (BAP) Specification
- TS 38.351 Sidelink Relay Adaptation Protocol (SRAP)
- TS 38.391 Ambient IoT MAC Protocol
- TS 38.401 NG-RAN Architecture Description
- TS 38.410 NG-RAN; NG General Aspects and Principles
- TS 38.411 NG Interface Layer 1 Specification
Frequently asked questions
What is 3GPP TS 38.355?
3GPP TS 38.355 is the 3GPP Technical Specification for Sidelink Positioning Protocol (SLPP) Specification. Specifies SLPP for UE-to-UE and UE-to-LMF sidelink positioning, including ranging, angle-of-arrival, and time-difference methods.
Which 3GPP releases include TS 38.355?
TS 38.355 is published in 2 releases, from Rel-18 to Rel-19. The latest version on 3GPP Explorer is 19.2.0 (Rel-19).
What category does TS 38.355 belong to?
TS 38.355 belongs to the Radio Access (Sidelink) category of 3GPP specifications. It applies to 5G networks.
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