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 38.175
NR; Integrated Access and Backhaul (IAB) Electromagnetic Compatibility (EMC)
Architecture
Rel-17TS5G NRUpdated 2026-07-25
TS 38.176-1
NR; Integrated Access and Backhaul (IAB) conformance testing; Part 1: Conducted conformance testing
Architecture
Rel-17TS5G NRUpdated 2026-07-25
TS 38.176-2
NR; Integrated Access and Backhaul (IAB) conformance testing; Part 2: Radiated conformance testing
Architecture
Rel-17TS5G NRUpdated 2026-07-25
TS 38.181
NR; Satellite Access Node conformance testing
Architecture
Rel-17TSNTNUpdated 2026-07-25
TS 38.201
NR; Physical layer; General description
Physical Layer
Rel-17TS5G NRUpdated 2026-07-25
TS 38.202
NR; Services provided by the physical layer
Physical Layer
Rel-17TS5G NRUpdated 2026-07-25
TS 38.211
NR; Physical channels and modulation
Physical Layer
Rel-17TS5G NRUpdated 2026-07-25
TS 38.212
NR; Multiplexing and channel coding
Physical Layer
Rel-17TS5G NRUpdated 2026-07-25
TS 38.213
NR; Physical layer procedures for control
Physical Layer
Rel-17TS5G NRUpdated 2026-07-25
TS 38.214
NR; Physical layer procedures for data
Physical Layer
Rel-17TS5G NRUpdated 2026-07-25
TS 38.215
NR; Physical layer measurements
Physical Layer
Rel-17TS5G NRUpdated 2026-07-25
TS 38.300
NR; NR and NG-RAN Overall description; Stage-2
Architecture
Rel-17TS5G NRUpdated 2026-07-25
TS 38.304
NR; User Equipment (UE) procedures in Idle mode and in RRC Inactive state
Protocol
Rel-17TS5G NRUpdated 2026-07-25
TS 38.305
NG Radio Access Network (NG-RAN); Stage 2 functional specification of User Equipment (UE) positioning in NG-RAN
Architecture
Rel-17TS5G NRUpdated 2026-07-25
TS 38.306
NR; User Equipment (UE) radio access capabilities
Physical Layer
Rel-17TS5G NRUpdated 2026-07-25
TS 38.307
NR; Requirements on User Equipments (UEs) supporting a release-independent frequency band
Architecture
Rel-17TS5G NRUpdated 2026-07-25
TS 38.314
NR; Layer 2 measurements
Architecture
Rel-17TS5G NRUpdated 2026-07-25
TS 38.321
NR; Medium Access Control (MAC) protocol specification
Protocol
Rel-17TS5G NRUpdated 2026-07-25
TS 38.322
NR; Radio Link Control (RLC) protocol specification
Protocol
Rel-17TS5G NRUpdated 2026-07-25
TS 38.323
NR; Packet Data Convergence Protocol (PDCP) specification
Protocol
Rel-17TS5G NRUpdated 2026-07-25