Release Rel-15
5G NRThe foundational 5G New Radio release, defining the NR air interface and 5G core.
Frozen 2018-06-14106 specifications in series 36
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 36.465
Evolved Universal Terrestrial Radio Access Network (E-UTRAN) and Wireless Local Area Network (WLAN); Xw interface user plane protocol
Architecture
Rel-15TSLTE-Advanced ProUpdated 2026-07-25
TS 36.508
Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Packet Core (EPC); Common test environments for User Equipment (UE) conformance testing
Architecture
Rel-15TSLTE-Advanced ProUpdated 2026-07-25
TS 36.509
Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Packet Core (EPC); Special conformance testing functions for User Equipment (UE)
Architecture
Rel-15TSLTE-Advanced ProUpdated 2026-07-25
TS 36.521-1
Evolved Universal Terrestrial Radio Access (E-UTRA); User Equipment (UE) conformance specification; Radio transmission and reception; Part 1: Conformance testing
Architecture
Rel-15TSLTE-Advanced ProUpdated 2026-07-25
TS 36.521-2
Evolved Universal Terrestrial Radio Access (E-UTRA); User Equipment (UE) conformance specification; Radio transmission and reception; Part 2: Implementation Conformance Statement (ICS)
Architecture
Rel-15TSLTE-Advanced ProUpdated 2026-07-25
TS 36.521-3
Evolved Universal Terrestrial Radio Access (E-UTRA); User Equipment (UE) conformance specification; Radio transmission and reception; Part 3: Radio Resource Management (RRM) conformance testing
Architecture
Rel-15TSLTE-Advanced ProUpdated 2026-07-25
TS 36.523-1
Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Packet Core (EPC); User Equipment (UE) conformance specification; Part 1: Protocol conformance specification
Architecture
Rel-15TSLTE-Advanced ProUpdated 2026-07-25
TS 36.523-2
Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Packet Core (EPC); User Equipment (UE) conformance specification; Part 2: Implementation Conformance Statement (ICS) proforma specification
Architecture
Rel-15TSLTE-Advanced ProUpdated 2026-07-25
TS 36.523-3
Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Packet Core (EPC); User Equipment (UE) conformance specification; Part 3: Test suites
Architecture
Rel-15TSLTE-Advanced ProUpdated 2026-07-25
TS 36.579-1
Mission Critical (MC) services over LTE; Part 1: Common test environment
Architecture
Rel-15TSLTE-Advanced ProUpdated 2026-07-25
TS 36.579-2
Mission Critical (MC) services over LTE; Part 2: Mission Critical Push To Talk (MCPTT) User Equipment (UE) Protocol conformance specification
Architecture
Rel-15TSLTE-Advanced ProUpdated 2026-07-25
TS 36.579-3
Mission Critical (MC) services over LTE; Part 3: Mission Critical Push To Talk (MCPTT) Server Application conformance specification
Architecture
Rel-15TSLTE-Advanced ProUpdated 2026-07-25
TS 36.579-4
Mission Critical (MC) services over LTE; Part 4: Test Applicability and Implementation Conformance Statement (ICS) proforma specification
Architecture
Rel-15TSLTE-Advanced ProUpdated 2026-07-25
TS 36.579-5
Mission Critical (MC) services over LTE; Part 5: Abstract test suite (ATS)
Architecture
Rel-15TSLTE-Advanced ProUpdated 2026-07-25
TS 36.579-6
Mission Critical (MC) services over LTE; Part 6: Mission Critical Video (MCVideo) User Equipment (UE) Protocol conformance specification
Architecture
Rel-15TSLTE-Advanced ProUpdated 2026-07-25
TS 36.579-7
Mission Critical (MC) services over LTE; Part 7: Mission Critical Data (MCData) User Equipment (UE) Protocol conformance specification
Architecture
Rel-15TSLTE-Advanced ProUpdated 2026-07-25
TS 36.742
Study on Self-Organizing Networks (SON) for enhanced Coordinated Multi-Point (eCoMP)
Architecture
Rel-15TSLTE-Advanced ProUpdated 2026-07-25
TS 36.746
Study on further enhancements to LTE Device to Device (D2D), UE to network relays for Internet of Things (IoT) and wearables
Architecture
Rel-15TSLTE-Advanced ProUpdated 2026-07-25
TS 36.748
Technical report for 450MHz E-UTRA FDD Band for LTE PPDR and PMR/PAMR in Europe
Architecture
Rel-15TSLTE-Advanced ProUpdated 2026-07-25
TS 36.751
FDD operating band in the L-band for LTE
Architecture
Rel-15TSLTE-Advanced ProUpdated 2026-07-25