Growing collection of 3GPP technical specifications with AI-powered search, version tracking, and intelligent categorization.
Browse by Technology
Explore specifications organized by technology area
LTE
The foundational 4G radio access technology built around OFDMA/SC-FDMA and the flat E-UTRAN architecture.
1,067 specs
LTE-Advanced
The first release to meet ITU IMT-Advanced requirements, adding carrier aggregation and higher-order MIMO.
1,060 specs
LTE-Advanced Pro
Extends LTE toward 5G-like capabilities with NB-IoT, LAA, and massive MIMO enhancements.
1,276 specs
5G NR
The 5G air interface, supporting both non-standalone and standalone deployments across FR1 and FR2.
1,490 specs
5G-Advanced
The evolution of 5G NR starting at Rel-18, adding AI/ML-native features, NTN, and RedCap enhancements.
1,827 specs
IMS
The access-agnostic subsystem delivering VoIP, VoLTE, VoNR, and multimedia services over IP.
220 specs
EPC
The all-IP core network introduced alongside LTE, comprising the MME, S-GW, and P-GW.
180 specs
Security
The cross-generation set of authentication, key management, and ciphering specifications.
95 specs
Recent Specifications
Recently added or updated documents
5G System Architecture (Rel-18 baseline)
Architecture
NR RRC (Rel-18 baseline)
Protocol
Service Requirements for the 5G System
Requirements
E-UTRA Radio Resource Control (RRC) Protocol Specification
Protocol
NR Physical Channels and Modulation
Physical Layer
NR Multiplexing and Channel Coding
Physical Layer
NR Physical Layer Procedures for Control
Physical Layer
NR Physical Layer Procedures for Data
Physical Layer
NR User Equipment (UE) Radio Access Capabilities
Physical Layer
Vocabulary for 3GPP Specifications
Reference