Release Rel-18
5G-AdvancedFirst 5G-Advanced release, extending 5G NR with AI/ML, non-terrestrial networks, and reduced-capability devices.
Frozen 2024-03-2248 specifications in series 37
Key features: RedCap enhancements, NR-NTN, XR enhancements, AI/ML for NG-RAN
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TS 37.470
W1 interface; General aspects and principles
Architecture
Rel-18TSMulti-RATUpdated 2026-07-25
TS 37.471
W1 interface; Layer 1
Architecture
Rel-18TSMulti-RATUpdated 2026-07-25
TS 37.472
W1 interface; Signalling transport
Architecture
Rel-18TSMulti-RATUpdated 2026-07-25
TS 37.473
W1 interface; Application Protocol (W1AP)
Protocol
Rel-18TSMulti-RATUpdated 2026-07-25
TS 37.480
E1 general aspects and principles
Architecture
Rel-18TSMulti-RATUpdated 2026-07-25
TS 37.481
E1 layer 1
Architecture
Rel-18TSMulti-RATUpdated 2026-07-25
TS 37.482
E1 signalling transport
Architecture
Rel-18TSMulti-RATUpdated 2026-07-25
TS 37.483
E1 Application Protocol (E1AP)
Architecture
Rel-18TSMulti-RATUpdated 2026-07-25
TS 37.571-1
User Equipment (UE) conformance specification for UE positioning; Part 1: Conformance test specification
Architecture
Rel-18TSMulti-RATUpdated 2026-07-25
TS 37.571-2
User Equipment (UE) conformance specification for UE positioning; Part 2: Protocol conformance
Architecture
Rel-18TSMulti-RATUpdated 2026-07-25
TS 37.571-3
User Equipment (UE) conformance specification for UE positioning; Part 3: Implementation Conformance Statement (ICS)
Architecture
Rel-18TSMulti-RATUpdated 2026-07-25
TS 37.571-4
User Equipment (UE) conformance specification for UE positioning; Part 4: Test suites
Architecture
Rel-18TSMulti-RATUpdated 2026-07-25
TS 37.571-5
User Equipment (UE) conformance specification for UE positioning; Part 5: Test scenarios and assistance data
Architecture
Rel-18TSMulti-RATUpdated 2026-07-25
TS 37.579-1
Mission Critical (MC) services; Part 1: Common test environment
Architecture
Rel-18TSMulti-RATUpdated 2026-07-25
TS 37.579-2
Mission Critical (MC) services; Part 2: Mission Critical Push To Talk (MCPTT) User Equipment (UE) Protocol conformance specification
Architecture
Rel-18TSMulti-RATUpdated 2026-07-25
TS 37.579-4
Mission Critical (MC) services; Part 4: Test Applicability and Implementation Conformance Statement (ICS) proforma specification
Architecture
Rel-18TSMulti-RATUpdated 2026-07-25
TS 37.579-5
Mission Critical (MC) services; Part 5: Abstract test suite (ATS)
Architecture
Rel-18TSMulti-RATUpdated 2026-07-25
TS 37.829
High-power UE operation for fixed-wireless/vehicle-mounted use cases in LTE bands and NR bands for Rel-18
Architecture
Rel-18TSMulti-RATUpdated 2026-07-25
TS 37.877
Rel-18 downlink interruption for NR and EN-DC band combinations at dynamic Tx switching
Architecture
Rel-18TSMulti-RATUpdated 2026-07-25
TS 37.878
Rel-18 Band combinations for con-current operation of NR/LTE Uu bands/band combinations and one NR/LTE V2X PC5 band
Architecture
Rel-18TSMulti-RATUpdated 2026-07-25