Explore 3GPP specifications organized by technology area and topic
Radio interface technologies including 5G NR, LTE, and legacy systems
5G New Radio air interface specifications covering physical layer, MAC, RLC, PDCP, and RRC
18 specsLong Term Evolution radio access technology and its advanced versions
387 specsSatellite and High-Altitude Platform connectivity for 5G
24 specsReduced capability NR devices for IoT and wearables
1 specsDirect device-to-device communication and vehicle-to-everything
47 specsMultiple antenna technologies and beamforming techniques
15 specsFrequency bands, RF requirements, and coexistence
2 specsThird generation mobile technology specifications
114 specs5G Core, EPC, and network architecture specifications
5G Core network architecture and network functions
5 specs4G LTE core network architecture
20 specsHTTP/2 based service architecture for 5G Core
39 specsEnd-to-end network slice management and orchestration
27 specsInter-operator connectivity and roaming procedures
2 specsPolicy control and charging specifications
147 specsIMS, voice services, IoT, and application layer specifications
IP Multimedia Subsystem and voice over LTE/NR
123 specsShort message service and rich messaging
2 specsInternet of Things and Machine Type Communications
30 specsMulti-access Edge Computing specifications
69 specsLocation services and positioning protocols
55 specsEmergency call handling and public warning
0 specsMission critical push-to-talk and video
30 specsProtocol specifications including RRC, NAS, and interface definitions
Radio resource control protocol specifications
8 specsMobility and session management protocols
19 specsGPRS Tunneling Protocol and user plane specifications
22 specsService Based Interface protocols for 5GC
5 specsAAA protocols for authentication and authorization
8 specsAbstract Syntax Notation and message encoding
0 specsAuthentication, encryption, and security architecture
Authentication and key agreement procedures
38 specsCiphering and integrity protection algorithms
34 specsSubscriber identity privacy and concealment
10 specsLawful interception requirements and interfaces
0 specsNetwork management, analytics, and testing specifications
Network management and configuration specifications
297 specsAutomated network optimization and healing
3 specsNetwork data analytics function and AI/ML
17 specsConformance testing and type approval specifications
59 specs