Canonical Atlas record

TS 37.355

LTE Positioning Protocol (LPP)

Responsible WGR2
StatusUnder change control
Initial releaseRel-15
Selected releaseRel-19
Latest indexed version19.3.0
Series37
TypeTS
Visual answer

TS 37.355 relationship map

LTE Positioning Protocol (LPP)

Rel-19mixed provenance
Release evidence
Rel-19CRTS 38.331 · CR Recent CR cluster: RRC evolution cluster

Release-aware filtering uses explicit relationship validity where mapped and official initial-release metadata where available. Unknown relationship validity remains visible and labelled rather than guessed.

Release evolution

Compare evidence between releases

Use indexed version, Work Item and Change Request evidence to see what changed around this specification. This is an evidence trail, not a clause-by-clause normative diff.

Release ledger

Version · WI · CR evidence by release

Rel-9no version indexed1 WI0 CRs
Rel-12no version indexed1 WI0 CRs
Rel-14no version indexed3 WI0 CRs
Rel-1515.3.03 WI27 CRs · 3 approved
Rel-1616.14.05 WI183 CRs · 45 approved
Rel-1717.9.02 WI179 CRs · 34 approved
Rel-1818.8.04 WI122 CRs · 32 approved
Rel-1919.3.05 WI42 CRs · 14 approved

Rel-19 snapshot

Work affecting this release

42 indexed Change Requests · 5 connected Work Items.

Showing 12 CR records from the available cross-release sample. Browse release CR records (JSON) →

CR 0572 rev.1 — Correction to RAN4 DL AI/ML Positioning Capabilities

CR 0571 rev.1 — Correction on description of nr-PosCalcAssistanceSupport in the table of NR-DL-AoD-ProvideCapabilities field descriptions

CR 0570 — Addition of RAN4 DL AI/ML Positioning Capabilities

CR 0567 rev.1 — Miscellaneous LPP Corrections [GNSS LOS/NLOS]

CR 0568 — Addition of SSR Provider ID [SSR-ProviderID]

CR 0566 rev.2 — Corrections to DL AI/ML Positioning

CR 0565 rev.1 — Correction on UE capability for UTW in positioning SRS frequency hopping for nonRedCap UE [Pos_SRSHop]

CR 0564 rev.1 — Correction on UE capability for UTW in positioning SRS frequency hopping in 37355-r19

CR 0559 rev.2 — Introduction of AI/ML Positioning Accuracy Enhancements

CR 0558 rev.2 — Introduction of periodic AD for NR integrity service alert [IntegrityPeriodicAD]

CR 0532 rev.6 — Introduction of NavIC L1 SPS A-GNSS in LPP

CR 0553 rev.2 — Introduction of UE capability for SRS frequency hopping for non-RedCap UE in 37355 [Pos_SRSHop]

Version history

Indexed versions

Showing 43 of 43 indexed versions.

19.3.0Rel-19RAN#1122026-06-28
18.8.0Rel-18RAN#1112026-03-20
19.2.0Rel-19RAN#1112026-03-19
18.7.0Rel-18RAN#1102026-01-17
19.1.0Rel-19RAN#1102026-01-14
19.0.0Rel-19RAN#1092025-10-03
18.6.0Rel-18RAN#1092025-10-02
18.5.0Rel-18RAN#1082025-06-24
18.4.0Rel-18RAN#1062024-12-24
17.9.0Rel-17RAN#1062024-12-24
16.14.0Rel-16RAN#1062024-12-24
18.3.0Rel-18RAN#1052024-09-26
18.2.0Rel-18RAN#1042024-07-10
17.8.0Rel-17RAN#1032024-04-04
16.13.0Rel-16RAN#1032024-04-04
18.1.0Rel-18RAN#1032024-04-03
18.0.0Rel-18RAN#1022024-01-18
17.7.0Rel-17RAN#1022024-01-15
17.6.0Rel-17RAN#1012023-09-27
16.12.0Rel-16RAN#1012023-09-27
17.5.0Rel-17RAN#1002023-06-30
16.11.0Rel-16RAN#1002023-06-30
17.4.0Rel-17RAN#992023-03-31
16.10.0Rel-16RAN#992023-03-31
17.3.0Rel-17RAN#98-e2023-01-13
16.9.0Rel-16RAN#98-e2023-01-13
17.2.0Rel-17RAN#97-e2022-10-04
17.1.0Rel-17RAN#962022-07-20
17.0.0Rel-17RAN#95-e2022-04-15
16.8.0Rel-16RAN#95-e2022-04-15
15.3.0Rel-15RAN#95-e2022-04-15
16.7.0Rel-16RAN#94-e2021-12-23
16.6.0Rel-16RAN#93-e2021-09-27
16.5.0Rel-16RAN#92-e2021-07-06
15.2.0Rel-15RAN#92-e2021-07-06
16.4.0Rel-16RAN#91-e2021-03-29
16.3.0Rel-16RAN#90-e2021-01-06
15.1.0Rel-15RAN#90-e2021-01-06
16.2.0Rel-16RAN#89-e2020-10-02
16.1.0Rel-16RAN#88-e2020-07-24
16.0.0Rel-16RAN#87-e2020-04-13
15.0.0Rel-15RAN#862019-12-21
1.0.0Rel-15 · pre-approvalRAN#862019-12-19

Atlas classifications

Meaning and provenance

No Atlas classifications have been attached yet.

Work Items

Standards work connected to TS 37.355

LCS_LTE

Positioning Support for LTE

Rel-9parsed
LCS_BDS-LTE-Core

Core part: Support for BeiDou Navigation Satellite System (BDS) for LTE

Rel-12parsed
LTE_feMTC-Core

Core part: Further enhanced MTC for LTE

Rel-14parsed
NB_IOTenh-Core

Core part: Enhancements of NB-IoT

Rel-14parsed
TEI14

(Small) Technical Enhancements and Improvements for Rel-14

Rel-14parsed
LCS_LTE_acc_enh

UE Positioning Accuracy Enhancements for LTE

Rel-15parsed
LCS_LTE_acc_enh-Core

Core part: UE Positioning Accuracy Enhancements for LTE

Rel-15parsed
NR_newRAT-Core

Core part: New Radio Access Technology

Rel-15official
LCS_NAVIC

Support for NavIC Navigation Satellite System for LTE

Rel-16parsed
LCS_NAVIC-Core

Core part: Support for NavIC Navigation Satellite System for LTE

Rel-16parsed
NR_pos

NR positioning support

Rel-16parsed
NR_pos-Core

Core part: NR positioning support

Rel-16parsed
TEI16

(Small) Technical Enhancements and Improvements for Rel-16

Historical association · verification pending
Rel-16historical link
NR_pos_enh-Core

Core part: NR positioning enhancements

Rel-17parsed
TEI17

(Small) Technical Enhancements and Improvements for Rel-17

Rel-17parsed
NR_NTN_enh-Core

Core part: NR NTN (Non-Terrestrial Networks) enhancements

Rel-18parsed
NR_pos_enh2

Expanded and improved NR positioning

Rel-18parsed
NR_pos_enh2-Core

Core part: Expanded and improved NR positioning

Rel-18parsed
TEI18

(Small) Technical Enhancements and Improvements for Rel-18

Rel-18parsed
LCS_BDS_B2b_LTE_NR

Introduction of BDS (BeiDou Navigation Satellite System) B2b Signal in A-GNSS for LTE and NR

Rel-19parsed
LCS_BDS_B2b_LTE_NR-Core

Core part: Introduction of BDS (BeiDou Navigation Satellite System) B2b Signal in A-GNSS for LTE and NR

Rel-19parsed
LCS_NAVIC_L1_SPS_NR_LTE-Core

Core part: Introduction of A-GNSS support for NavIC (Navigation with Indian Constellation) L1 SPS (Standard Positioning Service) in NR & LTE

Rel-19parsed
NR_AIML_air-Core

Core part: Artificial Intelligence (AI)/Machine Learning (ML) for NR air interface

Rel-19parsed
TEI19

(Small) Technical Enhancements and Improvements for Rel-19

Rel-19parsed

Knowledge graph

Related standards

No graph edges indexed yet. The graph API is available at this JSON endpoint.