Release ledger
Canonical Atlas record
TS 25.225
Physical layer; Measurements (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-4 snapshot
Work affecting this release
21 indexed Change Requests · 5 connected Work Items.
Showing 12 CR records from the available cross-release sample. Browse release CR records (JSON) →
CR 0063 — Received Total Wide Band Power Measurement Definition
CR 0076 rev.1 — Clarification of TA definition for 1.28Mcps TDD
CR 0076 — Clarification of TA definition for 1.28Mcps TDD
CR 0073 — Correction of transmitted carrier power definition in case of Tx diversity
CR 0031 rev.1 — RxTiming Deviation for 1.28 Mcps TDD
CR 0031 — RxTiming Deviation for 1.28 Mcps TDD
CR 0030 — Addition to the abbreviation list
CR 0029 — Renaming of LCS measurements
CR 0032 — SFN-SFN type 1 for 1.28 Mcps TDD
CR 0025 — RTD measurement in UTRAN for UP-TDD
CR 0024 rev.1 — Inclusion of 1.28Mcps TDD in TS 25.225
CR 0022 — Measurements for Node B synchronisation
Version history
Indexed versions
Showing 60 of 60 indexed versions.
Atlas classifications
Meaning and provenance
No Atlas classifications have been attached yet.
Work Items
Standards work connected to TS 25.225
Low Chip Rate TDD option
Historical association · verification pendingPhysical layer for Low Chip Rate TDD option
UE positioning enhancements - IPDL for TDD
Node B synchronization for TDD
(Small) Technical Enhancements and Improvements for Rel-4
High Speed Downlink Packet Access
Historical association · verification pendingPhysical Layer for High Speed Downlink Packet Access
UE positioning enhancements for 1.28 Mcps TDD
Rel-5 Location Services enhancements
Historical association · verification pendingUE positioning for Rel-5 Location Services enhancements
Historical association · verification pendingNode B Synchronisation for 1.28 Mcps TDD
(Small) Technical Enhancements and Improvements for Rel-5
Rel-6 Charging Management
Historical association · verification pendingFDD Enhanced Uplink
Historical association · verification pendingFDD Enhanced Uplink - Physical Layer
Historical association · verification pending(Small) Technical Enhancements and Improvements for Rel-6
3.84 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
Multiple-Input Multiple-Output (MIMO) antennas
Historical association · verification pendingMp (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 LTE 3G Long Term Evolution - Evolved Packet System RAN part
Historical association · verification pendingLTE Physical Layer
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
Cell Portion for 1.28 Mcps TDD
Rel-9 RAN improvements
Historical association · verification pending1.28 Mcps TDD Multi-carrier HSUPA
(Small) Technical Enhancements and Improvements for Rel-10
Core part: Enhancement of Minimization of Drive Tests for E-UTRAN and UTRAN
Historical association · verification pending(Small) Technical Enhancements and Improvements for Rel-12
Core part: WLAN/3GPP Radio Interworking
Harmonized Standard
Historical association · verification pendingLocation Services
Historical association · verification pendingWide area network Synchronization and object exchange
Historical association · verification pending(Small) Technical Enhancements and Improvements for R99
Knowledge graph
Related standards
No graph edges indexed yet. The graph API is available at this JSON endpoint.