Release ledger
Canonical Atlas record
TS 25.435
UTRAN Iub interface user plane protocols for Common Transport Channel data streams
Release evolution
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Rel-10 snapshot
Work affecting this release
31 indexed Change Requests · 2 connected Work Items.
Showing 5 CR records from the available cross-release sample. Browse release CR records (JSON) →
CR 0269 — Clarification on paging CFN timing for Enhanced Paging
CR 0268 rev.2 — Addition of Cell Portion ID in the FACH DATA FRAME for 1.28Mcps TDD
CR 0268 rev.1 — Addition of Cell Portion ID in the FACH DATA FRAME for 1.28Mcps TDD
CR 0268 — Addition of Cell Portion ID in the FACH DATA FRAME for 1.28Mcps TDD
CR 0267 — Addition of MAC-i/s acquistion indicator
Version history
Indexed versions
Showing 60 of 84 indexed versions.
Atlas classifications
Meaning and provenance
No Atlas classifications have been attached yet.
Work Items
Standards work connected to TS 25.435
Rel-4 RAN improvements
Low Chip Rate TDD option
Iub/Iur protocol aspects - for Low Chip Rate TDD option
Rel-5 RAN improvements
High Speed Downlink Packet Access
Iub/Iur protocol aspects - for High Speed Downlink Packet Access
(Small) Technical Enhancements and Improvements for Rel-5
Rel-6 RAN improvements
Rel-6 Charging Management
FDD Enhanced Uplink
FDD Enhanced Uplink - UTRAN Iub/Iur Protocol Aspects
Multimedia Broadcast and Multicast Service
Introduction of MBMS in RAN
Beamforming Enhancements
(Small) Technical Enhancements and Improvements for Rel-6
Deleted - CT3 aspects of Mp
Rel-7 RAN improvements
CT1 aspects of Mp
EDCHTDD: UTRAN Iub/Iur Protocol Aspects
1.28 Mcps TDD Enhanced Uplink: UTRAN Iub/Iur Protocol Aspects
Multiple-Input Multiple-Output (MIMO) antennas
Mp (MRFC - MRFP) interface
64QAM for HSDPA (FDD)
Continuous connectivity for packet data users
Enhanced CELL_FACH State in FDD
Extended WCDMA Cell Range
Improved L2 support for high data rates
(Small) Technical Enhancements and Improvements for Rel-7
7.68 Mcps TDD option
VHCRTDD: UTRAN Iub/Iur Protocol Aspects
Rel-8 RAN improvements
Combination of 64QAM and MIMO for HSDPA (FDD)
Enhanced UE Discontinuous Reception (DRX) for FDD
Enhanced CELL_FACH state in 1.28 Mcps TDD
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
Enhanced Uplink for CELL_FACH State in FDD
Improved L2 for uplink
(Small) Technical Enhancements and Improvements for Rel-8
Cell Portion for 1.28 Mcps TDD
Rel-9 RAN improvements
(Small) Technical Enhancements and Improvements for Rel-9
Core part: MU-MIMO for 1.28Mcps TDD
(Small) Technical Enhancements and Improvements for Rel-10
Core part: Further Enhancements to CELL_FACH
Core part: HSDPA Multiflow Data Transmission
(Small) Technical Enhancements and Improvements for Rel-11
Core part: Further Enhanced Uplink (EUL) enhancements
(Small) Technical Enhancements and Improvements for Rel-12
Core part: UMTS Mobility enhancements for heterogeneous networks
Core part: L2/L3 Downlink enhancements for UMTS
Core part: DTX/DRX enhancements in CELL_FACH
Harmonized Standard
Lawful Interception for GSM Features transposed to UMTS
(Small) Technical Enhancements and Improvements for R99
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