Release Rel-15
5G NRThe foundational 5G New Radio release, defining the NR air interface and 5G core.
Frozen 2018-06-141,188 specifications
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 37.890
Feasibility Study on 6 GHz for LTE and NR in Licensed and Unlicensed Operations
Architecture
Rel-15TSMulti-RATUpdated 2026-07-25
TS 37.900
Radio Frequency (RF) requirements for Multicarrier and Multiple Radio Access Technology (Multi-RAT) Base Station (BS)
Architecture
Rel-15TSMulti-RATUpdated 2026-07-25
TS 37.901
User Equipment (UE) application layer data throughput performance
Architecture
Rel-15TSMulti-RATUpdated 2026-07-25
TS 37.910
Study on self evaluation towards IMT-2020 submission
Architecture
Rel-15TSMulti-RATUpdated 2026-07-25
TS 37.941
Radio Frequency (RF) conformance testing background for radiated Base Station (BS) requirements
Architecture
Rel-15TSMulti-RATUpdated 2026-07-25
TS 37.976
Measurement of radiated performance for Multiple Input Multiple Output (MIMO) and multi-antenna reception for High Speed Packet Access (HSPA) and LTE terminals
Architecture
Rel-15TSMulti-RATUpdated 2026-07-25
TS 37.977
Universal Terrestrial Radio Access (UTRA) and Evolved Universal Terrestrial Radio Access (E-UTRA); Verification of radiated multi-antenna reception performance of User Equipment (UE)
Architecture
Rel-15TSMulti-RATUpdated 2026-07-25
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