Canonical Atlas record

TS 25.221

Physical channels and mapping of transport channels onto physical channels (TDD)

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Responsible WGRP

StatusUnder change control

Initial releaseRel-4

Selected releaseRel-18

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-44.8.06 WI34 CRs · 28 approved

Rel-55.7.06 WI24 CRs · 20 approved

Rel-66.6.09 WI10 CRs · 9 approved

Rel-77.12.018 WI28 CRs · 24 approved

Rel-88.11.07 WI31 CRs · 28 approved

Rel-99.4.02 WI8 CRs · 8 approved

Rel-1010.2.02 WI6 CRs · 4 approved

Rel-1111.0.00 WI0 CRs

Rel-1212.0.00 WI0 CRs

Rel-1313.0.00 WI0 CRs

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

R99no version indexed5 WI50 CRs · 49 approved

Release 19993.11.00 WI0 CRs

Rel-18 snapshot

Work affecting this release

0 indexed Change Requests · 0 connected Work Items.

Showing 0 CR records from the available cross-release sample. Browse release CR records (JSON) →

Version history

Indexed versions

Showing 60 of 83 indexed versions.

19.0.0Rel-19SA#1092025-10-14

18.0.0Rel-18SA#1032024-04-04

17.0.0Rel-17SA#95-e2022-04-08

16.0.0Rel-16SA#88-e2020-07-18

15.0.0Rel-15SA#802018-06-26

14.0.0Rel-14SA#752017-03-24

13.0.0Rel-13SA#702016-01-06

12.0.0Rel-12SA#652014-09-26

11.0.0Rel-11SA#572012-09-19

9.4.0Rel-9RAN#542011-12-22

8.11.0Rel-8RAN#542011-12-22

7.12.0Rel-7RAN#542011-12-22

10.2.0Rel-10RAN#542011-12-22

10.1.0Rel-10RAN#532011-09-27

10.0.0Rel-10RAN#502010-12-22

9.3.0Rel-9RAN#492010-10-03

8.10.0Rel-8RAN#492010-10-03

9.2.1Rel-9RAN#482010-07-21

9.2.0Rel-9RAN#482010-06-14

8.9.0Rel-8RAN#482010-06-14

9.1.0Rel-9RAN#472010-03-30

8.8.0Rel-8RAN#472010-03-30

9.0.0Rel-9RAN#462009-12-16

8.7.0Rel-8RAN#462009-12-16

8.6.0Rel-8RAN#452009-09-29

8.5.0Rel-8RAN#442009-06-08

7.11.0Rel-7RAN#442009-06-08

8.4.0Rel-8RAN#432009-03-17

7.10.0Rel-7RAN#432009-03-17

8.3.0Rel-8RAN#422008-12-18

7.9.0Rel-7RAN#422008-12-18

8.2.0Rel-8RAN#412008-09-24

7.8.0Rel-7RAN#412008-09-24

6.6.0Rel-6RAN#412008-09-24

5.7.0Rel-5RAN#412008-09-24

8.1.0Rel-8RAN#402008-06-18

7.7.0Rel-7RAN#402008-06-18

8.0.0Rel-8RAN#392008-03-20

7.6.0Rel-7RAN#392008-03-20

7.5.0Rel-7RAN#382007-12-11

7.4.0Rel-7RAN#372007-09-26

7.3.0Rel-7RAN#362007-06-21

7.2.0Rel-7RAN#352007-03-22

7.1.0Rel-7RAN#332006-10-13

7.0.0Rel-7RAN#312006-03-22

6.5.0Rel-6RAN#292005-09-29

6.4.1Rel-6RAN#282005-06-29

6.4.0Rel-6RAN#282005-06-21

5.6.0Rel-5RAN#282005-06-21

4.8.0Rel-4RAN#282005-06-21

6.3.0Rel-6RAN#272005-04-01

6.2.0Rel-6RAN#262005-01-05

6.1.0Rel-6RAN#242004-06-18

6.0.0Rel-6RAN#222004-01-14

5.5.0Rel-5RAN#202003-06-27

5.4.0Rel-5RAN#192003-04-04

5.3.0Rel-5RAN-#182003-01-07

4.7.0Rel-4RAN-#182003-01-07

5.2.0Rel-5RAN-#172002-09-27

4.6.0Rel-4RAN-#172002-09-27

Atlas classifications

Meaning and provenance

No Atlas classifications have been attached yet.

Work Items

Standards work connected to TS 25.221

Effective Acronym:

Rel-4 RAN improvements

Rel-4official

LCRTDD

Low Chip Rate TDD option

Rel-4official

LCRTDD-Phys

Physical layer for Low Chip Rate TDD option

Rel-4official

LCS1-UEpos-enh

UE positioning enhancements - IPDL for TDD

Rel-4official

RANimp-NBsync

Node B synchronization for TDD

Rel-4official

TEI4

(Small) Technical Enhancements and Improvements for Rel-4

Rel-4parsed

Effective Acronym:

Rel-5 RAN improvements

Rel-5official

HSDPA

High Speed Downlink Packet Access

Rel-5official

HSDPA-Phys

Physical Layer for High Speed Downlink Packet Access

Rel-5official

LCS1

Rel-5 Location Services enhancements

Rel-5official

LCS1-Uepos

UE positioning for Rel-5 Location Services enhancements

Rel-5official

TEI5

(Small) Technical Enhancements and Improvements for Rel-5

Rel-5parsed

WI 624

RAB support enhancement

Rel-6official

WI 9

Rel-6 RAN improvements

Rel-6official

WI 33008

Security aspects of MBMS

Rel-6official

Rel-6 Charging Management

Rel-6official

EDCH

FDD Enhanced Uplink

Rel-6official

EDCH-Phys

FDD Enhanced Uplink - Physical Layer

Rel-6official

MBMS

Multimedia Broadcast and Multicast Service

Rel-6official

MBMS-RAN

Introduction of MBMS in RAN

Rel-6official

TEI6

(Small) Technical Enhancements and Improvements for Rel-6

Rel-6parsed

WI 20029

Rel-7 RAN improvements

Rel-7official

EDCHTDD

3.84 Mcps TDD Enhanced Uplink

Rel-7official

EDCHTDD-Phys

EDCHTDD: Physical Layer

Rel-7official

LCRTDD-EDCH

1.28 Mcps TDD Enhanced Uplink

Rel-7official

LCRTDD-EDCH-Phys

1.28 Mcps TDD Enhanced Uplink: Physical Layer

Rel-7official

MBMSE

MBMS Enhancements

Rel-7official

MBMSE-RANPhysLCRTDD

MBMS Low Chip Rate TDD Physical Layer Enhancement

Rel-7official

MBMSE-RANPhysTDD

MBMS TDD Physical layer Enhancements

Rel-7official

MIMO

Multiple-Input Multiple-Output (MIMO) antennas

Rel-7official

MIMO-Phys

MIMO - Physical layer

Rel-7official

Mp (MRFC - MRFP) interface

Rel-7official

RANimp-EnhState

Enhanced CELL_FACH State in FDD

Rel-7official

RANimp-L2DataRates

Improved L2 support for high data rates

Rel-7parsed

RANimp-RABSE-CodOptLCRTDD

Optimization of channelisation code utilisation for 1.28 Mcps TDD

Rel-7official

RANimp-VHCRTDD-EDCH

7.68 Mcps TDD Enhanced Uplink

Rel-7official

TEI7

(Small) Technical Enhancements and Improvements for Rel-7

Rel-7parsed

VHCRTDD

7.68 Mcps TDD option

Rel-7official

VHCRTDD-Phys

VHCRTDD: Physical Layer

Rel-7official

Effective Acronym:

Rel-8 RAN improvements

Rel-8official

MBSFN-DOB

3.84 Mcps TDD MBMS over a Single Frequency Network (MBSFN) Integrated Mobile Broadcast

Rel-8official

RANimp-64Qam1.28TDD

64QAM for 1.28 Mcps TDD HSDPA

Rel-8official

RANimp-EnhState1.28TDD

Enhanced CELL_FACH state in 1.28 Mcps TDD

Rel-8official

RANimp-LCRCPC

Continuous Connectivity for packet data users for 1.28 Mcps TDD

Rel-8official

RANimp-MIMOLCR

MIMO for 1.28 Mcps TDD. Linked to Rel-8 Study on Scope of future HSPA Evolution for 1.28 Mcps TDD (UID_370041) TR 25.824

Rel-8official

TEI8

(Small) Technical Enhancements and Improvements for Rel-8

Rel-8parsed

Effective Acronym:

Rel-9 RAN improvements

Rel-9official

TEI9

(Small) Technical Enhancements and Improvements for Rel-9

Rel-9parsed

MUMIMO_LCR_TDD-Core

Core part: MU-MIMO for 1.28Mcps TDD

Rel-10official

TDD_MC_HSUPA

1.28 Mcps TDD Multi-carrier HSUPA

Rel-10official

Harmonized Standard

R99official

LCS

Location Services

R99official

SYNC

Wide area network Synchronization and object exchange

R99official

TEI

(Small) Technical Enhancements and Improvements for R99

R99parsed

UTRAN

UMTS Terrestrial Radio Access Network

R99official

Knowledge graph

Related standards

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