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NEF Northbound Interface Protocol

Defines RESTful APIs for AF to access 3GPP network capabilities via NEF, covering monitoring, traffic influence, QoS, an

UE Policy Control Service for 5G Systems

Defines the stage 3 UE Policy Control Service (Npcf_UEPolicyControl) in 5G systems, including policy provisioning and ma

NWDAF Services Stage 3 Specification

Defines the 5G NWDAF services for analytics data exposure, including subscription, analytics info, data management, and

Session Management Policy Control Service

Stage 3 specification for 5G Session Management Policy Control Service, defining PCC rules, QoS flows, and policy contro

Public Warning System (PWS) Requirements

Defines stage one requirements for Public Warning System (PWS) including ETWS and CMAS. Specifies high-level requirement

LTE E-UTRA Physical Layer Procedures

Defines LTE E-UTRA physical layer procedures: synchronization, power control, random access, PDSCH/PUSCH/PDCCH/PUCCH pro

F1 Application Protocol for NG-RAN

Defines signaling procedures and message formats for the F1 interface between gNB-CU and gNB-DU, supporting 5G RAN contr

NR NTN RF Coexistence Requirements

Defines RF and coexistence considerations for 5G NR non-terrestrial networks, including adjacent-channel scenarios and g

NR Radio Resource Control Protocol

Defines the 5G NR RRC protocol for configuring, controlling, and managing radio connections between UEs and NG-RAN, incl

NR Physical Channels and Signals

Defines 5G NR physical channels, signals, numerologies, frame structure, resource grids, and time-frequency mapping for

NR UE Radio Access Capabilities

Defines the radio access capability parameters that NR user equipment reports and supports, including data rates, carrie

NG-RAN Overall Description and Radio Interface Architecture

Overview of NG-RAN architecture, radio interface protocols for NR connected to 5GC, covering key features and procedures

NR; Physical layer procedures for control (TS 38.213)

Specifies 5G NR physical layer control procedures: cell search and synchronization, random access, power control, PDCCH

NR Radio Resource Management Requirements

Defines 5G NR UE radio resource management and mobility performance requirements across operating states, frequencies, b

NR BS Conformance Testing: Radiated (Part 2)

Defines RF test methods and conformance requirements for radiated testing of NR BS type 1-H, 1-O and 2-O, derived from t

NR BS RF Conducted Conformance Testing

Defines RF test methods and conformance requirements for NR and NB-IoT operation in FR1 Type 1-C and Type 1-H base stati

NR Repeater Type 1-C RF Conformance Testing

Specifies RF test methods and conformance requirements for NR repeater type 1-C with conducted requirements.

NR UE Performance Requirements (Part 4)

Defines minimum performance requirements for NR UE demodulation and CSI reporting, covering FR1/FR2, CA, and coexistence

NR Base Station RF Requirements

Defines minimum RF characteristics and performance requirements for NR and NB-IoT base stations, including conducted and

NR UE Satellite RF Requirements

Defines minimum RF and performance requirements for 5G NR user equipment supporting non-terrestrial satellite access in

NR UE Radio Tx/Rx for FR1 and FR2 Inter-band CA/DC

Defines UE radio transmission and reception requirements for NR interworking: EN-DC, NE-DC, NR-DC and CA between FR1 and

NR UE Radio Transmission and Reception (FR1)

Defines minimum radio transmission and reception requirements for 5G NR user equipment operating in FR1, including bands

NR FR2 UE RF Requirements

Defines minimum RF transmission, reception, radiated performance, carrier aggregation, and beam-management requirements

MCPTT Client Protocol Conformance Testing

Specifies protocol conformance testing for MCPTT clients across LTE and NR, covering test structures, configurations, an

MC Services Common Test Environment

Defines common test environment for Mission Critical Services client/server conformance testing, including reference con

AAS BS Radiated Conformance Testing

Defines radiated test methods and conformance requirements for hybrid and OTA Active Antenna System base stations suppor

E-UTRAN Radio Interface Protocol Architecture Overview

Overview and description of E-UTRAN radio interface protocol architecture for LTE, including multi-connectivity aspects.

AAS Base Station Conducted Conformance Testing

Defines conducted RF test methods and conformance requirements for AAS base stations supporting UTRA, E-UTRA, NR, and MS

AAS Base Station Radio Requirements

Defines minimum RF and performance requirements for hybrid and OTA active antenna system base stations supporting NR, E-

E-UTRA UE Radio Access Capability Parameters

Defines UE capability parameters for E-UTRA, including NB-IoT and V2X features, enabling network configuration.

5G Security Architecture and Procedures

Specifies security features, mechanisms, and procedures for 5G System and Core, including authentication and key managem

Lawful Interception Protocols and Procedures for 3GPP

Defines protocols and procedures for Lawful Interception in 3GPP networks, covering internal interfaces (X1, X2, X3) and

USIM Application Specification

Defines the USIM application, including UICC files, commands, security functions, and the UICC-terminal interface for su

Nmbsf SBI for MBS Stage 3

Stage 3 protocol and data model for Nmbsf interface. Defines APIs for MBS User Service and Data Ingest Session managemen

HSS Nhss Services for IMS and GBA Interworking

Stage 3 protocol for Nhss services offered by HSS, covering IMS and GBA interworking with API definitions.

Common Data Types for 5G SBI

Defines stage 3 common data types used across multiple 5G Service Based Interface APIs for network functions.

Ntsctsf Service Based Interface Specification

Defines stage 3 protocol and APIs for Time Sensitive Communication and Time Synchronization Function services in 5G.

SEAL APIs for Verticals

Specifies APIs for Service Enabler Architecture Layer for Verticals (SEAL) including location reporting, group managemen

3GPP TS 29537 vh40: Multicast/Broadcast Policy Control Services

Specifies stage 3 protocol and data model for Service Based Interfaces of Multicast/Broadcast Policy Control Services in

3GPP TS 29531 vhc0: Nnssf Service Based Interface

Specifies stage 3 protocol and data model for Nnssf Service Based Interface, defining APIs for NSSF services in 5G Syste

Binding Support Management Service

Defines the 5G BSF service for registering, discovering, and managing PCF bindings for PDU sessions, MBS sessions, and U

UDR Policy and Application Data Services

Defines the 5G UDR service usage for storing and retrieving policy, application, and structured exposure data through st

Namf Service Based Interface Stage 3

Specifies stage 3 protocol and data model for Namf SBI, defining APIs for AMF services like communication, event exposur

UDM Service Based Interface Stage 3

Specifies the Nudm API for UDM subscriber data, UE context, authentication, event exposure, and more in 5G core.

Session Management Event Exposure Service

Stage 3 definition of Nsmf_EventExposure service for 5G, enabling SMF to expose PDU session events to consumers like NEF

3GPP TS 29504 vhl0: Nudr Service Based Interface

Specifies stage 3 protocol and high level data model for the Nudr Service Based Interface, defining APIs for Unified Dat

Diameter-based V4 Interface for V2X Services

Defines the Diameter-based V4 interface between V2X Control Function and HSS for V2X services, specifying procedures and

Diameter-based PC4a Interface for Proximity-based Services (ProSe)

Defines the Diameter-based PC4a interface between ProSe Function and HSS for ProSe services, including procedures, messa

UAS Application Enabler Server Services - Stage 3

Defines stage 3 protocol and data model for UAE Server services enabling Uncrewed Aerial System applications over 3GPP n

EPS Diameter Mobility Interfaces

Defines Diameter-based S6a, S6d, S13 and S13' interfaces for subscriber mobility, authentication, subscription data, and