Release Rel-15
5G NRThe foundational 5G New Radio release, defining the NR air interface and 5G core.
Frozen 2018-06-1443 specifications in series 33
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 33.259
Key establishment between a UICC hosting device and a remote device
Security
Rel-15TSSecurityUpdated 2026-07-25
TS 33.303
Proximity-based Services (ProSe); Security aspects
Security
Rel-15TSSecurityUpdated 2026-07-25
TS 33.310
Network Domain Security (NDS); Authentication Framework (AF)
Security
Rel-15TSSecurityUpdated 2026-07-25
TS 33.320
Security of Home Node B (HNB) / Home evolved Node B (HeNB)
Security
Rel-15TSSecurityUpdated 2026-07-25
TS 33.328
IP Multimedia Subsystem (IMS) media plane security
Security
Rel-15TSSecurityUpdated 2026-07-25
TS 33.401
3GPP System Architecture Evolution (SAE); Security architecture
Security
Rel-15TSSecurityUpdated 2026-07-25
TS 33.402
3GPP System Architecture Evolution (SAE); Security aspects of non-3GPP accesses
Security
Rel-15TSSecurityUpdated 2026-07-25
TS 33.501
Security architecture and procedures for 5G System
Security
Rel-15TSSecurityUpdated 2026-07-25
TS 33.811
Study on security aspects of 5G network slicing management
Security
Rel-15TSNetwork SlicingUpdated 2026-07-25
TS 33.834
Study on Long Term Key Update Procedures (LTKUP)
Security
Rel-15TSSecurityUpdated 2026-07-25
TS 33.841
Study on the support of 256-bit algorithms for 5G
Security
Rel-15TSSecurityUpdated 2026-07-25
TS 33.843
Study on security architecture enhancements to Proximity Services (ProSe) User Equipment (UE)-to-network relay
Security
Rel-15TSSecurityUpdated 2026-07-25
TS 33.855
Study on security aspects of the 5G Service Based Architecture (SBA)
Security
Rel-15TSSecurityUpdated 2026-07-25
TS 33.856
Study on security aspects of single radio voice continuity from 5G to UTRAN
Security
Rel-15TSSecurityUpdated 2026-07-25
TS 33.880
Study on mission critical security enhancements
Security
Rel-15TSSecurityUpdated 2026-07-25
TS 33.905
Recommendations for Trusted Open Platforms
Security
Rel-15TSSecurityUpdated 2026-07-25
TS 33.916
Security Assurance Methodology (SECAM) for 3GPP network products
Security
Rel-15TSSecurityUpdated 2026-07-25
TS 33.924
Identity management and 3GPP security interworking; Identity management and Generic Authentication Architecture (GAA) interworking
Security
Rel-15TSSecurityUpdated 2026-07-25
TS 33.926
Security Assurance Specification (SCAS) threats and critical assets in 3GPP network product classes
Security
Rel-15TSSecurityUpdated 2026-07-25
TS 33.937
Study of mechanisms for Protection against Unsolicited Communication for IMS (PUCI)
Security
Rel-15TSSecurityUpdated 2026-07-25