Release ledger
Canonical Atlas record
TS 44.004
GSM/EDGE Layer 1; General Requirements
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-6 snapshot
Work affecting this release
10 indexed Change Requests · 2 connected Work Items.
Showing 10 CR records from the available cross-release sample. Browse release CR records (JSON) →
CR 0011 — Repeated FACCH
CR 0012 — Serial SACCH repetition signalling
CR 0012 rev.1 — Repeated SACCH signalling
CR 0012 rev.2 — Repeated SACCH signalling
CR 0014 — Uplink Repeated SACCH signalling when in loopback mode
CR 0009 — NUM Flexible Layer One
CR 0009 rev.1 — NUM Flexible Layer One
CR 0009 rev.2 — NUM Flexible Layer One
CR 0010 — RACH uplink / Uplink access burst block format
CR 0010 rev.1 — RACH uplink / Uplink access burst block format
Version history
Indexed versions
Showing 27 of 27 indexed versions.
Atlas classifications
Meaning and provenance
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Work Items
Standards work connected to TS 44.004
Alignment of 3G functional split and Iu
Flexible Layer One for GERAN
(Small) Technical Enhancements and Improvements for Rel-6
Latency Reductions
REduced symbol Duration, Higher Order modulation and Turbo coding (RED HOT) for downlink
(Small) Technical Enhancements and Improvements for Rel-7
Deleted - Registration in Densely-populated area (RED)
Core part: Downlink Multi Carrier GERAN
(Small) Technical Enhancements and Improvements for Rel-12
Extended Coverage GSM (EC-GSM) for support of Cellular Internet of Things
GSM/UMTS interworking
Deleted - GERAN
(Small) Technical Enhancements and Improvements for R99
Knowledge graph
Related standards
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