Release ledger
Canonical Atlas record
TR 25.850
UE positioning in UTRAN Iub/Iur protocol aspects
Responsible WGR3
StatusUnder change control
Initial releaseRel-4
Selected releaseRel-4
Latest indexed version4.3.0
Series25
TypeTR
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
3 indexed Change Requests · 1 connected Work Item.
Showing 3 CR records from the available cross-release sample. Browse release CR records (JSON) →
CR 0001 — TDD related clarifications for UE Positioning
CR 0002 — Removal of remaining open item
CR 0003 — UTRAN SFN-SFN Observed Time difference measurement report mapping and accuracy definition
Version history
Indexed versions
Showing 6 of 6 indexed versions.
4.3.0Rel-4RAN-#142002-01-11
4.2.0Rel-4RAN-#132001-10-12
4.1.0Rel-4RAN-#122001-07-06
4.0.0Rel-4RAN-#112001-04-06
0.1.0Rel-4 · pre-approval-2000-12-21
0.0.2Rel-4 · pre-approvalRAN-#102000-12-21
Atlas classifications
Meaning and provenance
No Atlas classifications have been attached yet.
Work Items
Standards work connected to TR 25.850
LCS1-UEpos-IubIur
Rel-4historical linkIub/Iur interfaces for methods Rel 99
Historical association · verification pendingLCS1
Rel-5historical linkRel-5 Location Services enhancements
Historical association · verification pendingLCS1-Uepos
Rel-5historical linkUE positioning for Rel-5 Location Services enhancements
Historical association · verification pendingLCS
R99historical linkLocation Services
Historical association · verification pendingKnowledge graph
Related standards
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