3GPP Atlas

Canonical Atlas record

TS 38.191

NR; Ambient IoT device radio transmission and reception

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Responsible WGR4
StatusUnder change control
Initial releaseRel-19
Selected releaseRel-19
Latest indexed version19.4.0
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.

At least two indexed releases are needed before Atlas can build a release-evidence comparison.

Release ledger

Version · WI · CR evidence by release

Rel-1919.4.04 WI35 CRs · 14 approved

Rel-19 snapshot

Work affecting this release

35 indexed Change Requests · 4 connected Work Items.

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

CR 0021 — Correction on the reference for FOOB definition

CR 0014 rev.3 — CR on Ambient IoT OTA test configuration

CR 0012 rev.1 — (AIoT CBW correction) CR for TS 38.191: Correction of CBW

CR 0019 — (Ambient_IoT_Solutions)CR to TS38.191 for correcting D2R transmission Bandwidth

CR 0011 rev.1 — Correction for D2R test configuration

CR 0010 rev.1 — CR on RRM test case for A-IoT

CR 0009 — CR on RRM Te requirements for A-IoT

CR 0007 — CR on A-IoT Random Access procedure

CR 0003 rev.1 — CR on 38.191 for A-IoT device testing

CR 0006 rev.1 — Corrections for device RF requirements

CR 0002 rev.1 — CR for TS 38.191, Correction on A-IoT Device Output RF spectrum emissions

CR 0001 rev.1 — CR for TS 38.191, Correction on A-IoT Device Symbol

Version history

Indexed versions

Showing 8 of 8 indexed versions.

19.4.0Rel-19RAN#1132026-09-26
19.3.0Rel-19RAN#1122026-07-05
19.2.0Rel-19RAN#1112026-03-27
19.1.0Rel-19RAN#1102026-01-09
19.0.0Rel-19RAN#1092025-10-02
1.1.0Rel-19 · pre-approvalRAN#1092025-10-02
1.0.0Rel-19 · pre-approvalRAN#1092025-09-08
0.0.1Rel-19 · pre-approvalRAN4#114-bis2025-03-28

Atlas classifications

Meaning and provenance

No Atlas classifications have been attached yet.

Work Items

Standards work connected to TS 38.191

Ambient_IoT_Solutions

Solutions for Ambient IoT (Internet of Things) in NR

Rel-19parsed
Ambient_IoT_Solutions-Core

Core part: Solutions for Ambient IoT (Internet of Things) in NR

Rel-19official
Ambient_IoT_Solutions-Perf

Perf. part: Solutions for Ambient IoT (Internet of Things) in NR

Rel-19parsed
TEI19

(Small) Technical Enhancements and Improvements for Rel-19

Rel-19parsed

Knowledge graph

Related standards

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