Canonical Atlas record

TS 25.446

MBMS synchronisation protocol (SYNC)

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Responsible WGR3

StatusUnder change control

Initial releaseRel-8

Selected releaseRel-13

Latest indexed version19.0.0

Series25

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-88.2.01 WI7 CRs · 3 approved

Rel-99.2.11 WI17 CRs · 8 approved

Rel-1010.2.02 WI6 CRs · 3 approved

Rel-1111.0.02 WI5 CRs

Rel-1212.2.01 WI3 CRs · 2 approved

Rel-1313.1.03 WI12 CRs · 2 approved

Rel-1414.0.00 WI0 CRs

Rel-1515.0.00 WI0 CRs

Rel-1616.0.00 WI0 CRs

Rel-1717.0.00 WI0 CRs

Rel-1818.0.00 WI0 CRs

Rel-1919.0.00 WI0 CRs

Rel-13 snapshot

Work affecting this release

12 indexed Change Requests · 3 connected Work Items.

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

CR 0021 — Clarification on muting behavior in SC-PTM

CR 0021 rev.2 — Clarification on muting behavior in SC-PTM

CR 0023 — Clarification on SYNC

CR 0023 rev.1 — Clarification on SYNC

CR 0024 — Transfer of NBIOT capabilities

CR 0026 — Packet Length Correction

CR 0025 — Packet Length Correction

CR 0030 — Packet Length Correction

CR 0029 — Packet Length Correction

CR 0028 — Correction of NAS Timer Extension for NBIOT

CR 0027 — Packet Length Correction

CR 0021 rev.1 — Clarification on muting behavior in SC-PTM

Version history

Indexed versions

Showing 23 of 23 indexed versions.

19.0.0Rel-19SA#1092025-10-02

18.0.0Rel-18SA#1032024-04-03

17.0.0Rel-17SA#95-e2022-04-05

16.0.0Rel-16SA#88-e2020-07-16

15.0.0Rel-15SA#802018-07-02

14.0.0Rel-14RAN#752017-03-24

13.1.0Rel-13RAN#712016-03-19

12.2.0Rel-12RAN#712016-03-19

13.0.0Rel-13RAN#702015-12-21

12.1.0Rel-12RAN#662014-12-26

12.0.0Rel-12SA#652014-09-22

11.0.0Rel-11SA#572012-09-24

10.2.0Rel-10RAN#542011-12-20

10.1.0Rel-10RAN#522011-06-24

9.2.1Rel-9RAN#512011-04-04

10.0.0Rel-10SA#512011-04-04

9.2.0Rel-9RAN#482010-06-15

9.1.0Rel-9RAN#472010-04-06

8.2.0Rel-8RAN#472010-04-06

9.0.0Rel-9RAN#462009-12-18

8.1.0Rel-8RAN#462009-12-18

8.0.0Rel-8RAN#422008-12-16

1.0.0Rel-8 · pre-approvalRAN#422008-12-12

Atlas classifications

Meaning and provenance

No Atlas classifications have been attached yet.

Work Items

Standards work connected to TS 25.446

RANimp-HSPAEvo

Enhancements for FDD HSPA Evolution

Rel-8official

MBMS_LTE

MBMS support in LTE

Rel-9official

MBMS_LTE_enh-Core

Core part: Further enhancements to MBMS for LTE

Historical association · verification pending

Rel-10historical link

TEI10

(Small) Technical Enhancements and Improvements for Rel-10

Rel-10parsed

MBMS_LTE_SC-Core

Core part: Service continuity improvements for MBMS for LTE

Historical association · verification pending

Rel-11historical link

TEI11

(Small) Technical Enhancements and Improvements for Rel-11

Rel-11parsed

TEI12

(Small) Technical Enhancements and Improvements for Rel-12

Rel-12parsed

LTE_SC_PTM-Core

Core part: Support of single-cell point-to-multipoint transmission in LTE

Rel-13parsed

NB_IOT-Core

Core part: Narrowband Internet of Things (IOT)

Rel-13parsed

TEI13

(Small) Technical Enhancements and Improvements for Rel-13

Rel-13parsed

Knowledge graph

Related standards

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