Release ledger
Canonical Atlas record
TS 25.223
Spreading and modulation (TDD)
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-7 snapshot
Work affecting this release
12 indexed Change Requests · 12 connected Work Items.
Showing 12 CR records from the available cross-release sample. Browse release CR records (JSON) →
CR 0046 rev.1 — Introduction of multi-frequency operation for 1.28Mcps TDD
CR 0049 rev.1 — More improvement on dedicated carrier for 1.28 Mcps TDD MBMS
CR 0053 — Correction of uplink multicode capability for 1.28 Mcps TDD EUL
CR 0047 — Support for MBSFN DOB operation
CR 0038 — Introduction of 7.68Mcps TDD option
CR 0039 rev.2 — Introduction of E-DCH for 3.84Mcps TDD
CR 0040 — Correction of The values of weight factors
CR 0041 — Introduction of E-DCH for 3.84Mcps and 7.68Mcps TDD
CR 0042 rev.1 — Introduction of E-DCH for 1.28Mcps TDD
CR 0043 rev.1 — Support for MBSFN operation
CR 0044 — Support for optimized TDD DL-only MBSFN operation
CR 0045 — Support for 1.28Mcps TDD MBSFN operation
Version history
Indexed versions
Showing 52 of 52 indexed versions.
Atlas classifications
Meaning and provenance
No Atlas classifications have been attached yet.
Work Items
Standards work connected to TS 25.223
Rel-4 RAN improvements
Historical association · verification pendingLow Chip Rate TDD option
Historical association · verification pendingPhysical layer for Low Chip Rate TDD option
Node B synchronization for TDD
(Small) Technical Enhancements and Improvements for Rel-4
Rel-5 RAN improvements
Historical association · verification pendingHigh Speed Downlink Packet Access
Historical association · verification pendingPhysical Layer for High Speed Downlink Packet Access
(Small) Technical Enhancements and Improvements for Rel-5
Rel-6 RAN improvements
Historical association · verification pendingRel-6 Charging Management
Historical association · verification pendingFDD Enhanced Uplink
Historical association · verification pendingFDD Enhanced Uplink - Physical Layer
Historical association · verification pendingMultimedia Broadcast and Multicast Service
Historical association · verification pendingRel-7 RAN improvements
Historical association · verification pending3.84 Mcps TDD Enhanced Uplink
Historical association · verification pendingEDCHTDD: Physical Layer
1.28 Mcps TDD Enhanced Uplink
Historical association · verification pending1.28 Mcps TDD Enhanced Uplink: Physical Layer
MBMS Low Chip Rate TDD Physical Layer Enhancement
MBMS TDD Physical layer Enhancements
Mp (MRFC - MRFP) interface
Historical association · verification pending7.68 Mcps TDD Enhanced Uplink
(Small) Technical Enhancements and Improvements for Rel-7
7.68 Mcps TDD option
Historical association · verification pendingVHCRTDD: Physical Layer
Rel-8 RAN improvements
Historical association · verification pending3.84 Mcps TDD MBMS over a Single Frequency Network (MBSFN) Integrated Mobile Broadcast
64QAM for 1.28 Mcps TDD HSDPA
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
Historical association · verification pendingRel-9 RAN improvements
Historical association · verification pendingCore part: MU-MIMO for 1.28Mcps TDD
1.28 Mcps TDD Multi-carrier HSUPA
Harmonized Standard
Historical association · verification pendingWide area network Synchronization and object exchange
Historical association · verification pending(Small) Technical Enhancements and Improvements for R99
UMTS Terrestrial Radio Access Network
Historical association · verification pendingKnowledge graph
Related standards
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