Release Rel-15
5G NRThe foundational 5G New Radio release, defining the NR air interface and 5G core.
Frozen 2018-06-1481 specifications in series 38
Key features: First 5G NR specifications, NSA and SA architectures
All SeriesSeries 21Series 22Series 23Series 24Series 26Series 27Series 28Series 29Series 31Series 32Series 33Series 34Series 35Series 36Series 37Series 38
TS 38.101-1
NR; User Equipment (UE) radio transmission and reception; Part 1: Range 1 Standalone
Architecture
Rel-15TS5G NRUpdated 2026-07-25
TS 38.101-2
NR; User Equipment (UE) radio transmission and reception; Part 2: Range 2 Standalone
Architecture
Rel-15TS5G NRUpdated 2026-07-25
TS 38.101-3
NR; User Equipment (UE) radio transmission and reception; Part 3: Range 1 and Range 2 Interworking operation with other radios
Architecture
Rel-15TS5G NRUpdated 2026-07-25
TS 38.101-4
NR; User Equipment (UE) radio transmission and reception; Part 4: Performance requirements
Architecture
Rel-15TS5G NRUpdated 2026-07-25
TS 38.104
NR; Base Station (BS) radio transmission and reception
Physical Layer
Rel-15TS5G NRUpdated 2026-07-25
TS 38.113
NR; Base Station (BS) ElectroMagnetic Compatibility (EMC)
Architecture
Rel-15TS5G NRUpdated 2026-07-25
TS 38.124
NR; Electromagnetic compatibility (EMC) requirements for mobile terminals and ancillary equipment
Architecture
Rel-15TS5G NRUpdated 2026-07-25
TS 38.133
NR; Requirements for support of radio resource management
Architecture
Rel-15TS5G NRUpdated 2026-07-25
TS 38.141-1
NR; Base Station (BS) conformance testing Part 1: Conducted conformance testing
Architecture
Rel-15TS5G NRUpdated 2026-07-25
TS 38.141-2
NR; Base Station (BS) conformance testing Part 2: Radiated conformance testing
Architecture
Rel-15TS5G NRUpdated 2026-07-25
TS 38.171
NR; Requirements for support of Assisted Global Navigation Satellite System (A-GNSS)
Architecture
Rel-15TS5G NRUpdated 2026-07-25
TS 38.201
NR; Physical layer; General description
Physical Layer
Rel-15TS5G NRUpdated 2026-07-25
TS 38.202
NR; Services provided by the physical layer
Physical Layer
Rel-15TS5G NRUpdated 2026-07-25
TS 38.211
NR; Physical channels and modulation
Physical Layer
Rel-15TS5G NRUpdated 2026-07-25
TS 38.212
NR; Multiplexing and channel coding
Physical Layer
Rel-15TS5G NRUpdated 2026-07-25
TS 38.213
NR; Physical layer procedures for control
Physical Layer
Rel-15TS5G NRUpdated 2026-07-25
TS 38.214
NR; Physical layer procedures for data
Physical Layer
Rel-15TS5G NRUpdated 2026-07-25
TS 38.215
NR; Physical layer measurements
Physical Layer
Rel-15TS5G NRUpdated 2026-07-25
TS 38.300
NR; NR and NG-RAN Overall description; Stage-2
Architecture
Rel-15TS5G NRUpdated 2026-07-25
TS 38.304
NR; User Equipment (UE) procedures in Idle mode and in RRC Inactive state
Architecture
Rel-15TS5G NRUpdated 2026-07-25