TS 37.355 – LTE Positioning Protocol (LPP)
3GPP TS 37.355 is the 3GPP Technical Specification for LTE Positioning Protocol (LPP). It is published in 5 releases (Rel-15 to Rel-19); the latest version is 19.3.0 in Rel-19.
Defines LPP for positioning in LTE and NR, supporting GNSS, OTDOA, and other methods.
Releases and versions of TS 37.355
| Release | Latest version | Links |
|---|---|---|
| Rel-19 | 19.3.0 | Read · Download (3GPP) |
| Rel-18 | 18.8.0 | Read · Download (3GPP) |
| Rel-17 | 17.9.0 | Read · Download (3GPP) |
| Rel-16 | 16.14.0 | Read · Download (3GPP) |
| Rel-15 | 15.3.0 | Read · Download (3GPP) |
Scope of TS 37.355
Category: Services (Positioning). Technology generation: Multi-Gen. Network layer: Services.
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 37.355
- TS 36.331 E-UTRA Radio Resource Control (RRC) Protocol
- TS 25.331 RRC Protocol for UE-UTRAN Radio Interface
- TS 44.031 Radio Resource LCS Protocol (RRLP)
- TS 23.032 Universal Geographical Area Description
- TS 36.211 E-UTRA Physical Layer Specifications
- TS 36.214 E-UTRA Physical Layer Measurements
- TS 36.133 LTE Radio Resource Management Requirements
- TS 23.003 Numbering, Addressing and Identification
- TR 21.905 3GPP Terminology and Definitions
- TS 36.101 LTE UE Radio Transmission and Reception
- TS 36.213 LTE Physical Layer Procedures
- TS 36.305 UE Positioning in E-UTRAN Stage 2
Specifications that reference TS 37.355
- TS 23.501 5G System Architecture
- TS 36.331 E-UTRA Radio Resource Control (RRC) Protocol
- TS 38.300 NR and NG-RAN Overall Description
- TS 38.331 NR Radio Resource Control (RRC)
- TS 24.501 5GS NAS Protocol Specification
- TS 36.413 S1 Application Protocol (S1AP) for E-UTRAN
- TS 23.273 5G Location Services Architecture Stage 2
- TS 29.503 UDM Service Based Interface
- TS 38.321 NR MAC Protocol Specification
- TS 23.434 Service Enabler Architecture Layer (SEAL) for Verticals
- TS 23.700 Study on SEAL Phase 4
- TS 38.305 NG-RAN UE Positioning Stage 2
Other specifications in the 37 series
- TS 37.213 Shared Spectrum Physical Layer Procedures
- TS 37.320 MDT Overall Description (Stage 2)
- TS 37.324 Service Data Adaptation Protocol (SDAP)
- TS 37.340 Overview of Multi-Connectivity Operation using E-UTRA and NR
- TS 37.460 Iuant Interface Introduction
- TS 37.461 Iuant Interface Layer 1 Specification
- TS 37.462 Iuant Interface Data Link Layer for RETAP/TMAAP
- TS 37.466 Iuant Interface Introduction & RETAP/TMAAP
Frequently asked questions
What is 3GPP TS 37.355?
3GPP TS 37.355 is the 3GPP Technical Specification for LTE Positioning Protocol (LPP). Defines LPP for positioning in LTE and NR, supporting GNSS, OTDOA, and other methods.
Which 3GPP releases include TS 37.355?
TS 37.355 is published in 5 releases, from Rel-15 to Rel-19. The latest version on 3GPP Explorer is 19.3.0 (Rel-19).
What category does TS 37.355 belong to?
TS 37.355 belongs to the Services (Positioning) category of 3GPP specifications. It applies to Multi-Gen networks.
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