Release ledger
Canonical Atlas record
TS 25.300
Universal Terrestrial Radio Access Network (UTRAN); General description; Stage 2
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-12 snapshot
Work affecting this release
27 indexed Change Requests · 9 connected Work Items.
Showing 12 CR records from the available cross-release sample. Browse release CR records (JSON) →
CR 0001 — Stage 2 description of Power Saving Mode feature for UMTS
CR 0039 rev.1 — Correction on DCH enhancements
CR 0039 — Correction on DCH enhancements
CR 0037 rev.1 — Correction on DCH enhancements
CR 0037 — Correction on DCH enhancements
CR 0036 rev.2 — Correction on signalling transmission control due to access group blocking of DTCH
CR 0036 rev.1 — Correction on signalling transmission control due to access group blocking of DTCH
CR 0036 — Correction on signalling transmission control due to access group blocking of DTCH
CR 0024 — Correction on DCCH transmission control due to access group blocking of DTCH
CR 0014 — Clarification for Access Group based access control
CR 0013 rev.1 — Introduction of increased UE carrier monitoring
CR 0013 — Introduction of increased UE carrier monitoring
Version history
Indexed versions
Showing 27 of 27 indexed versions.
Atlas classifications
Meaning and provenance
No Atlas classifications have been attached yet.
Work Items
Standards work connected to TS 25.300
Core part: Further Enhanced Uplink (EUL) enhancements
Core part: Increasing the minimum number of carriers for UE monitoring in UTRA and E-UTRA
Core part: RAN enhancements for Machine-Type and other mobile data applications Communications
Core part: Dedicated Channel (DCH) enhancements for UMTS
Core part: Heterogeneous Networks enhancements
UMTS Mobility enhancements for heterogeneous networks
Historical association · verification pendingCore part: UMTS Mobility enhancements for heterogeneous networks
Historical association · verification pendingCore part: WLAN/3GPP Radio Interworking
Core part: Enhanced Broadcast of System Information
Core part: RAN aspects of Application specific Congestion control for Data Communication
Core part: RAN aspects for improvements to CS/PS coordination in UTRAN Shared Network
Core part: Dedicated Core Networks
Core part: RAN sharing enhancements for UMTS
(Small) Technical Enhancements and Improvements for Rel-13
L2/L3 Downlink enhancements for UMTS
Core part: L2/L3 Downlink enhancements for UMTS
Core part: Downlink TPC Enhancements for UMTS
Core part: Network-Assisted Interference Cancellation and Suppression for UMTS
Core part: Power saving enhancements for UMTS
Core part: DTX/DRX enhancements in CELL_FACH
Core part:Quality of Experience (QoE) Measurement Collection for streaming services in UTRAN
Core part: DL interference mitigation for UMTS
Multi-Carrier Enhancements for UMTS
Core part: Multi-Carrier Enhancements for UMTS
Core part: RRC optimization for UMTS
Core part: Simplified HS-SCCH for UMTS
Core part: Single Radio Voice Call Continuity from 5G to 3G
Knowledge graph
Related standards
No graph edges indexed yet. The graph API is available at this JSON endpoint.