Release Rel-18
5G-AdvancedFirst 5G-Advanced release, extending 5G NR with AI/ML, non-terrestrial networks, and reduced-capability devices.
Frozen 2024-03-22129 specifications in series 38
Key features: RedCap enhancements, NR-NTN, XR enhancements, AI/ML for NG-RAN
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TS 38.551
NR; User Equipment (UE) Multiple Input Multiple Output (MIMO) Over-the-Air (OTA) performance; Conformance testing
Architecture
Rel-18TS5G-AdvancedUpdated 2026-07-25
TS 38.561
NR; User Equipment (UE) conformance specification; UE TRP (Total Radiated Power) and TRS (Total Radiated Sensitivity) requirements and test methodologies for FR1 (NR SA and EN-DC)
Architecture
Rel-18TS5G-AdvancedUpdated 2026-07-25
TS 38.741
Non-Terrestrial Networks (NTN) L-/S-band for NR
Architecture
Rel-18TSNTNUpdated 2026-07-25
TS 38.751
UE RF requirement for NR frequency range 2 (FR2) multi-Rx chain DL reception
Architecture
Rel-18TS5G-AdvancedUpdated 2026-07-25
TS 38.761
Measurements of Multiple Input Multiple Output (MIMO) Over-the-Air (OTA) performance of User Equipment (UE)
Architecture
Rel-18TS5G-AdvancedUpdated 2026-07-25
TS 38.786
User Equipment (UE) radio transmission and reception for NR sidelink evolution
Architecture
Rel-18TS5G-AdvancedUpdated 2026-07-25
TS 38.822
NR; User Equipment (UE) feature list
Architecture
Rel-18TS5G-AdvancedUpdated 2026-07-25
TS 38.835
Study on XR enhancements for NR
Architecture
Rel-18TS5G-AdvancedUpdated 2026-07-25
TS 38.843
Study on Artificial Intelligence (AI)/Machine Learning (ML) for NR air interface
Architecture
Rel-18TS5G-AdvancedUpdated 2026-07-25
TS 38.844
Study on Efficient utilization of licensed spectrum that is not aligned with existing NR channel bandwidth
Architecture
Rel-18TS5G-AdvancedUpdated 2026-07-25
TS 38.846
Study on simplification of band combination specification
Architecture
Rel-18TS5G-AdvancedUpdated 2026-07-25
TS 38.848
Study on Ambient IoT (Internet of Things) in RAN
Architecture
Rel-18TS5G-AdvancedUpdated 2026-07-25
TS 38.849
Introduction of 6GHz NR unlicensed operation
Architecture
Rel-18TS5G-AdvancedUpdated 2026-07-25
TS 38.850
Rel-18 High power UE (power class 2) for FR1 NR FDD band in UL of NR inter-band CA/DC combinations with y bands downlink (y=2,3,4,5,6) and x bands uplink (x=1)
Architecture
Rel-18TS5G-AdvancedUpdated 2026-07-25
TS 38.854
NR support for high speed train scenario in frequency range 2 (FR2)
Architecture
Rel-18TS5G-AdvancedUpdated 2026-07-25
TS 38.858
Study on evolution of NR duplex operation
Architecture
Rel-18TS5G-AdvancedUpdated 2026-07-25
TS 38.859
Study on expanded and improved NR positioning
Architecture
Rel-18TS5G-AdvancedUpdated 2026-07-25
TS 38.863
Non-terrestrial networks (NTN) related RF and co-existence aspects
Architecture
Rel-18TSNTNUpdated 2026-07-25
TS 38.864
Study on network energy savings for NR
Architecture
Rel-18TS5G-AdvancedUpdated 2026-07-25
TS 38.865
Study on further NR RedCap UE complexity reduction
Architecture
Rel-18TS5G-AdvancedUpdated 2026-07-25