Release Rel-17
5G NRExtends 5G NR to new device classes and satellite access.
Frozen 2022-03-23118 specifications in series 38
Key features: RedCap (NR-Light), NR-NTN, multicast/broadcast, XR support
All SeriesSeries 21Series 22Series 23Series 24Series 26Series 27Series 28Series 29Series 31Series 32Series 33Series 34Series 35Series 36Series 37Series 38
TS 38.853
Introduction of 900MHz NR band for Europe for Rail Mobile Radio (RMR)
Architecture
Rel-17TS5G NRUpdated 2026-07-25
TS 38.854
NR support for high speed train scenario in frequency range 2 (FR2)
Architecture
Rel-17TS5G NRUpdated 2026-07-25
TS 38.857
Study on NR positioning enhancements
Architecture
Rel-17TS5G NRUpdated 2026-07-25
TS 38.860
Study on extended 600MHz NR band
Architecture
Rel-17TS5G NRUpdated 2026-07-25
TS 38.861
Study on high power UE (power class 2) for one NR FDD band
Architecture
Rel-17TS5G NRUpdated 2026-07-25
TS 38.862
Study on band combination handling in RAN4
Architecture
Rel-17TS5G NRUpdated 2026-07-25
TS 38.863
Non-terrestrial networks (NTN) related RF and co-existence aspects
Architecture
Rel-17TSNTNUpdated 2026-07-25
TS 38.868
Study on optimizations of pi/2 BPSK uplink power in NR
Architecture
Rel-17TS5G NRUpdated 2026-07-25
TS 38.875
Study on support of reduced capability NR devices
Architecture
Rel-17TS5G NRUpdated 2026-07-25
TS 38.884
Study on enhanced test methods for Frequency Range 2 (FR2) NR User Equipment (UE)
Architecture
Rel-17TS5G NRUpdated 2026-07-25
TS 38.890
Study on NR QoE (Quality of Experience) management and optimizations for diverse services
Architecture
Rel-17TS5G NRUpdated 2026-07-25
TS 38.901
Study on channel model for frequencies from 0.5 to 100 GHz
Architecture
Rel-17TS5G NRUpdated 2026-07-25
TS 38.903
NR; Derivation of test tolerances and measurement uncertainty for User Equipment (UE) conformance test cases
Architecture
Rel-17TS5G NRUpdated 2026-07-25
TS 38.905
NR; Derivation of test points for radio transmission and reception User Equipment (UE) conformance test cases
Architecture
Rel-17TS5G NRUpdated 2026-07-25
TS 38.912
Study on New Radio (NR) access technology
Architecture
Rel-17TS5G NRUpdated 2026-07-25
TS 38.913
Study on scenarios and requirements for next generation access technologies
Architecture
Rel-17TS5G NRUpdated 2026-07-25
TS 38.918
Study on 5G NR User Equipment (UE) full stack testing for Network Slicing
Architecture
Rel-17TSNetwork SlicingUpdated 2026-07-25
TS 38.921
Study on International Mobile Telecommunications (IMT) parameters for 6.425 - 7.025 GHz, 7.025 - 7.125 GHz and 10.0 - 10.5 GHz
Architecture
Rel-17TS5G NRUpdated 2026-07-25

