Specification Groups

Click on any TSG or WG - in the chart below - to go to that Group’s home page to find information on its elected officials, its meeting schedule, the Work Items and Specifications for which it is responsible, etc.

TSG Structure

TSG GERAN

GSM EDGE
Radio Access Network

GERAN WG1 Radio Aspects

GERAN WG2 Protocol Aspects

GERAN WG3 Terminal Testing

TSG RAN

Radio Access Network

RAN WG1 Radio Layer 1 spec

RAN WG2 Radio Layer 2 spec
Radio Layer 3 RR spec

RAN WG3 lub spec, lur spec, lu spec
UTRAN O&M requirements

RAN WG4 Radio Performance
Protocol aspects

RAN WG5 Mobile Terminal
Conformance Testing

TSG SA

Service & Systems Aspects

SA WG1 Services

SA WG2 Architecture

SA WG3 Security

SA WG4 Codec

SA WG5 Telecom Management

TSG CT

Core Network & Terminals

CT WG1 MM/CC/SM (lu)

CT WG3 Interworking with external networks

CT WG4 MAP/GTP/BCH/SS

CT WG6 Smart Card Application Aspects