Canonical Atlas record

TS 25.446

MBMS synchronisation protocol (SYNC)

Open in graph Compare this spec Standards catalogue

Search Rel-9 ↗JSON 3GPP Portal ↗DynaReport ↗

Responsible WGR3

StatusUnder change control

Initial releaseRel-8

Selected releaseRel-9

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-9 snapshot

Work affecting this release

17 indexed Change Requests · 1 connected Work Item.

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

CR 0011 — Correction to MBMS scheduling terminology

CR 0006 rev.3 — Clarification on Total counter frame

CR 0006 rev.4 — Clarification on Total counter frame

CR 0007 — Update Description for LTE MBMS Multiple Consecuctive Packet Loss

CR 0008 — Small Corrections/Improvements for SYNC

CR 0008 rev.1 — Small Corrections/Improvements for SYNC

CR 0010 — Corrections on Packet Number

CR 0010 rev.1 — Corrections on Packet Number

CR 0001 — Reusing SYNC for LTE

CR 0001 rev.1 — Reusing SYNC for LTE

CR 0001 rev.2 — Reusing SYNC for LTE

CR 0004 — SYNC PDU TYPE2 not applicable for LTE MBMS

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

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