Release ledger
Canonical Atlas record
TS 25.450
UTRAN Iupc interface general aspects and principles
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-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 24 of 24 indexed versions.
Atlas classifications
Meaning and provenance
No Atlas classifications have been attached yet.
Work Items
Standards work connected to TS 25.450
Open SMLC-SRNC Interface within the UTRAN to support A-GPS Positioning
(Small) Technical Enhancements and Improvements for Rel-5
Open SMLC-SRNC Interface within the UTRAN to support UTRAN Rel-4 positioning methods
(Small) Technical Enhancements and Improvements for Rel-6
Stage 1/2 for Towards AGNSS Concept
Historical association · verification pendingLocation Services enhancements
Historical association · verification pendingGlobal Navigation Satellite System (GNSS) in UTRAN
Inclusion of Uplink TDOA UE positioning method in the UTRAN specifications
Deleted - UE positioning Rel-7
Historical association · verification pending(Small) Technical Enhancements and Improvements for Rel-7
(Small) Technical Enhancements and Improvements for Rel-9
(Small) Technical Enhancements and Improvements for Rel-10
Location Services
Historical association · verification pendingUMTS Terrestrial Radio Access Network
Historical association · verification pendingKnowledge graph
Related standards
No graph edges indexed yet. The graph API is available at this JSON endpoint.