Release ledger
Canonical Atlas record
TS 26.502
5G multicast-broadcast services; User service architecture
Release evolution
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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
18 indexed Change Requests · 2 connected Work Items.
Showing 12 CR records from the available cross-release sample. Browse release CR records (JSON) →
CR 0056 — [5MBUSA] Realignment of reference point MBS-1 to MBS AF
CR 0053 rev.1 — [5MBUSA] Provisioning parameter corrections/clarifications
CR 0050 — [5MBUSA] User Service Announcement parameters alignment and clarifications
CR 0047 — [5MBUSA] MBSF notification event corrections
CR 0043 rev.1 — [5MBUSA] Add missing User Plane traffic flow information parameters
CR 0039 rev.1 — Aligning Stage 2 Session Announcement with Stage 3 on target service area
CR 0031 rev.1 — [5MBUSA] Radio parameters alignment
CR 0030 — [5MBUSA] Corrections based on stage-3 fixes
CR 0029 rev.2 — Support for RedCap UEs in MBS Broadcast
CR 0027 rev.1 — Rel-18 alignment on support of MBS data reception for UEs using power saving functions
CR 0026 rev.5 — [5MBUSA] Corrections based on stage-3 fixes
CR 0053 — [5MBUSA] Provisioning parameter corrections/clarifications
Version history
Indexed versions
Showing 35 of 35 indexed versions.
Atlas classifications
Meaning and provenance
No Atlas classifications have been attached yet.
Work Items
Standards work connected to TS 26.502
5G Multicast-Broadcast Protocols
5G Multicast-Broadcast User Service Architecture and related 5GMS Extensions
5G multicast-broadcast services Phase 2
(Small) Technical Enhancements and Improvements for Rel-18
Stage 2 for Advanced Media Delivery
(Small) Technical Enhancements and Improvements for Rel-19
Architectural Updates for Advanced Media Delivery Phase 2
Knowledge graph
Related standards
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