Release ledger
Version · WI · CR evidence by release
Release 19993.10.00 WI0 CRs
Canonical Atlas record
TS 25.402
Synchronisation in UTRAN Stage 2
Responsible WGR3
StatusUnder change control
Initial releaseRel-4
Selected releaseRel-4
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.
Rel-4 snapshot
Work affecting this release
16 indexed Change Requests · 3 connected Work Items.
Showing 12 CR records from the available cross-release sample. Browse release CR records (JSON) →
CR 0014 rev.3 — The impacts on TS 25.402 for supporting low chip rate TDD
CR 0022 — Correction on TDD Radio Interface Synchronistion
CR 0021 — Frequency Acquisition phase for Cell Synchronisation for TDD
CR 0024 — Incorrect Figure references in FDD Radio Interface Synchronisation
CR 0020 — Additional requirement for timing behaviour of NodeB
CR 0019 — Network Synchronisation aspects clarification
CR 0025 — Correction of the Frequency Accuracy in the Frequency Acquisition Phase
CR 0025 rev.1 — Correction of the Frequency Accuracy in the Frequency Acquisition Phase
CR 0027 — Notation of Time Instances
CR 0028 — Text amendments for TDD Node B synchronisation
CR 0034 — Clarification on the DPCH frame offset
CR 0030 rev.2 — CFN Calculation for UE
Version history
Indexed versions
Showing 55 of 55 indexed versions.
19.0.0Rel-19SA#1092025-10-02
18.0.0Rel-18SA#1032024-04-03
17.1.0Rel-17RAN#962022-06-23
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
13.0.0Rel-13SA#702015-12-18
12.1.0Rel-12RAN#662014-12-26
12.0.0Rel-12SA#652014-09-22
11.0.0Rel-11SA#572012-09-24
10.1.0Rel-10RAN#522011-06-24
9.0.1Rel-9RAN#512011-04-04
10.0.0Rel-10SA#512011-04-04
9.0.0Rel-9SA#462009-12-18
8.1.0Rel-8RAN#442009-06-12
8.0.0Rel-8RAN#422008-12-16
7.6.0Rel-7RAN#412008-09-23
6.6.0Rel-6RAN#412008-09-23
7.5.0Rel-7RAN#382007-12-13
7.4.0Rel-7RAN#372007-10-01
7.3.0Rel-7RAN#362007-06-20
7.2.0Rel-7RAN#342006-12-13
6.5.0Rel-6RAN#342006-12-13
7.1.0Rel-7RAN#332006-10-10
6.4.0Rel-6RAN#332006-10-10
7.0.0Rel-7RAN#312006-03-24
6.3.0Rel-6RAN#282005-06-17
5.4.0Rel-5RAN#282005-06-17
6.2.0Rel-6RAN#272005-03-24
6.1.0Rel-6RAN#262005-01-06
6.0.0Rel-6RAN#222004-01-13
5.3.0Rel-5RAN#222004-01-13
5.2.0Rel-5RAN#202003-06-17
4.6.0Rel-4RAN-#182003-01-03
5.1.0Rel-5RAN-#162002-06-28
4.5.0Rel-4RAN-#162002-06-28
3.10.0Release 1999RAN-#162002-06-28
5.0.0Rel-5RAN-#152002-04-02
4.4.0Rel-4RAN-#152002-04-02
3.9.0Release 1999RAN-#152002-04-02
4.3.0Rel-4RAN-#142002-01-11
3.8.0Release 1999RAN-#142002-01-11
4.2.0Rel-4RAN-#132001-10-12
3.7.0Release 1999RAN-#132001-10-12
4.1.0Rel-4RAN-#122001-07-06
3.6.0Release 1999RAN-#122001-07-06
4.0.0Rel-4RAN-#112001-04-06
3.5.0Release 1999RAN-#112001-04-06
3.4.0Release 1999RAN-#102000-12-22
3.3.0Release 1999RAN-#92000-10-05
3.2.0Release 1999RAN-#82000-06-23
3.1.0Release 1999RAN-#72000-03-17
3.0.0Release 1999RAN-#61999-12-17
0.0.1Release 1999RAN-#51999-10-13
Atlas classifications
Meaning and provenance
No Atlas classifications have been attached yet.
Work Items
Standards work connected to TS 25.402
LCRTDD
Rel-4officialLow Chip Rate TDD option
LCRTDD-IubIur
Rel-4officialIub/Iur protocol aspects - for Low Chip Rate TDD option
RANimp-NBsync
Rel-4officialNode B synchronization for TDD
RANimp-NBSLCR
Rel-5officialNode B Synchronisation for 1.28 Mcps TDD
TEI5
Rel-5parsed(Small) Technical Enhancements and Improvements for Rel-5
WI 624
Rel-6officialRAB support enhancement
CH
Rel-6officialRel-6 Charging Management
EDCH
Rel-6officialFDD Enhanced Uplink
MBMS
Rel-6officialMultimedia Broadcast and Multicast Service
MBMS-RAN
Rel-6officialIntroduction of MBMS in RAN
RANimp-RABSE-CodeOptFDD
Rel-6officialOptimization of downlink channelisation code utilisation
TEI6
Rel-6parsed(Small) Technical Enhancements and Improvements for Rel-6
AGNSS
Rel-7officialStage 1/2 for Towards AGNSS Concept
EDCHTDD
Rel-7official3.84 Mcps TDD Enhanced Uplink
EDCHTDD-IurIub
Rel-7officialEDCHTDD: UTRAN Iub/Iur Protocol Aspects
LCS3
Rel-7officialLocation Services enhancements
LCS3-GNSS-UTRAN
Rel-7officialGlobal Navigation Satellite System (GNSS) in UTRAN
MBMSE-RANPhysFDD
Rel-7officialMBMS FDD Physical layer Enhancements
MBMSE-RANPhysLCRTDD
Rel-7officialMBMS Low Chip Rate TDD Physical Layer Enhancement
MBMSE-RANPhysTDD
Rel-7officialMBMS TDD Physical layer Enhancements
Mp
Rel-7officialMp (MRFC - MRFP) interface
RANimp-EnhState
Rel-7officialEnhanced CELL_FACH State in FDD
RANimp-VHCRTDD-EDCH
Rel-7official7.68 Mcps TDD Enhanced Uplink
TEI7
Rel-7parsed(Small) Technical Enhancements and Improvements for Rel-7
VHCRTDD
Rel-7official7.68 Mcps TDD option
VHCRTDD-IurIub
Rel-7officialVHCRTDD: UTRAN Iub/Iur Protocol Aspects
MBSFN-DOB
Rel-8official3.84 Mcps TDD MBMS over a Single Frequency Network (MBSFN) Integrated Mobile Broadcast
TEI8
Rel-8parsed(Small) Technical Enhancements and Improvements for Rel-8
Effective Acronym:
Rel-9officialRel-9 RAN improvements
TEI9
Rel-9parsed(Small) Technical Enhancements and Improvements for Rel-9
TEI10
Rel-10parsed(Small) Technical Enhancements and Improvements for Rel-10
TEI12
Rel-12parsed(Small) Technical Enhancements and Improvements for Rel-12
TEI17
Rel-17parsed(Small) Technical Enhancements and Improvements for Rel-17
HS
R99officialHarmonized Standard
LCS
R99officialLocation Services
SYNC
R99officialWide area network Synchronization and object exchange
TEI
R99parsed(Small) Technical Enhancements and Improvements for R99
UTRAN
R99officialUMTS Terrestrial Radio Access Network
Knowledge graph
Related standards
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