3GPP Atlas

Canonical Atlas record

TS 38.171

NR; Requirements for support of Assisted Global Navigation Satellite System (A-GNSS)

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Responsible WGR4
StatusUnder change control
Initial releaseRel-15
Selected releaseRel-15
Latest indexed version19.1.0
Series38
TypeTS

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-1515.4.02 WI16 CRs · 5 approved
Rel-1616.5.01 WI12 CRs · 6 approved
Rel-1717.4.02 WI8 CRs · 4 approved
Rel-1818.0.10 WI1 CR
Rel-1919.1.02 WI2 CRs · 2 approved

Rel-15 snapshot

Work affecting this release

16 indexed Change Requests · 2 connected Work Items.

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

CR 0005 — Addition of information for RESET UE POSITIONING STORED INFORMATION message

CR 0004 — Setting the NR frequency to be used during testing

CR 0003 — Setting the NR/GNSS carrier frequency offset to be used for testing

CR 0002 — Removal of Editor’s note concerning beamforming

CR 0001 rev.1 — CR on A-GNSS in 38.171

CR 0010 — Editorial change to TS 37.571-1 title

CR 0014 — Big CR to TS 38.171 on requirements maintenance (Rel-15)

CR 0020 — CR to TS 38.171: Corrections to NR A-GNSS requirements (Rel 15)

CR 0026 — (NR_newRAT-Perf) CR to TS 38.171: Clarification of applicability of A-GNSS test cases (Rel 15)

CR 0009 rev.1 — Update of the Note 1 in the Power level and satellite allocation table for the Sensitivity Coarse time assistance requirements

CR 0009 — Update of the Note 1 in the Power level and satellite allocation table for the Sensitivity Coarse time assistance requirements

CR 0008 rev.1 — CR to TS 38.171: Corrections to A-GNSS requirements with NR

Version history

Indexed versions

Showing 23 of 23 indexed versions.

19.1.0Rel-19RAN#1092025-10-05
19.0.0Rel-19RAN#1082025-06-23
18.0.1Rel-18SA#1032024-04-04
18.0.0Rel-18SA#1032024-04-04
17.4.0Rel-17RAN#1012023-09-29
17.3.0Rel-17RAN#1002023-06-29
16.5.0Rel-16RAN#1002023-06-29
17.2.0Rel-17RAN#97-e2022-09-26
17.1.0Rel-17RAN#962022-06-24
16.4.0Rel-16RAN#962022-06-24
17.0.0Rel-17SA#95-e2022-04-01
16.3.0Rel-16RAN#94-e2022-01-11
16.2.0Rel-16RAN#93-e2021-10-01
15.4.0Rel-15RAN#93-e2021-10-01
16.1.0Rel-16RAN#92-e2021-07-07
16.0.0Rel-16RAN#88-e2020-07-17
15.3.0Rel-15RAN#87-e2020-04-08
15.2.0Rel-15RAN#862020-01-13
15.1.0Rel-15RAN#832019-04-04
15.0.0Rel-15RAN#822019-01-15
0.2.0Rel-15 · pre-approvalRAN4#892018-12-13
0.1.0Rel-15 · pre-approvalRAN4#892018-12-13
1.0.0Rel-15 · pre-approvalRAN4#892018-11-28

Atlas classifications

Meaning and provenance

No Atlas classifications have been attached yet.

Work Items

Standards work connected to TS 38.171

NR_newRAT-Core

Core part: New Radio Access Technology

Rel-15parsed
NR_newRAT-Perf

Perf. part: New Radio Access Technology

Rel-15official
TEI16

(Small) Technical Enhancements and Improvements for Rel-16

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

Perf. part: NR positioning enhancements

Rel-17parsed
TEI17

(Small) Technical Enhancements and Improvements for Rel-17

Rel-17parsed
LCS_BDS_B2b_LTE_NR-Perf

Perf. 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-Perf

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

Rel-19parsed

Knowledge graph

Related standards

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