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3GPP (3rd Generation Partnership Project) Organization

Organizational Partners:
-ARIB Association of Radio Industries and Businesses, Japan
-ATIS Alliance for Telecommunications Industry Solutions, USA
-CCSA China Communications Standards Association
-ETSI European Telecommunications Standards Institute
-TTA Telecommunications Technology Association, Korea
-TTC Telecommunication Technology Committee, Japan
                                                PCG                                                
 GERAN              RAN                  SA                    CT                  
 GERAN1     RAN1          SA1             CT1            
 GERAN2     RAN2          SA2             CT3            
 GERAN3     RAN3          SA3             CT4            
   RAN4          SA4             CT6            
   RAN5          SA5             
Top http://www.3gpp.org/Project-Coordination-Group-PCG

3GPP Project Co-ordination Group (PCG)

### TSG GERAN ### TSG RAN ### TSG SA ### TSG CT ###
The PCG is the highest decision making body in 3GPP, it meets formally every six months to carry out the final adoption of 3GPP Technical Specification Group work items, to ratify election results and the resources commited to 3GPP.
Chairman:Asok Chatterjee Vice Chairman:Walter Weigel
ATIS ETSI
Ericsson Inc.
Vice Chairman:Byoung-Moon Chin
TTA
Secretary:Adrian Scrase
Top Up ### TSG GERAN ### TSG RAN ### TSG SA ### TSG CT ### http://www.3gpp.org/GERAN
 

TSG GERAN - GSM/EDGE Radio Access Network
### GERAN1 ### GERAN2 ### GERAN3 ###
TSG GERAN is responsible for the specification of the Radio Access part of GSM/EDGE, more specifically:
- RF layer,
- Layer 1, 2 and 3, internal (Abis, Ater) and external (A, Gb) interfaces,
- Conformance test specifications for all aspects of GERAN base stations and terminals and GERAN specific O&M specifications for the nodes in the GERAN.
Chairman:Andrew Howell Vice Chairman:Leo Patanapongpibul
ETSI ETSI
Research in Motion UK Limited VODAFONE Group Plc
Vice Chairman:Zhixi Wang
ATIS
HuaWei Technologies Co., Ltd
Vice Chairman:Jongsoo Choi
TTA
Samsung Electronics
Secretary:Paolino Usai
Top Up ### GERAN1 ### GERAN2 ### GERAN3 ### http://www.3gpp.org/GERAN-WG1
 

GERAN WG1 - Radio aspects
WG1 is responsible for the following areas of the work of TSG-GERAN:
- RF aspects of GERAN,
- Internal GERAN interface specifications such as Ater (CCU-TRAU),
- Specifications for GERAN radio performance and RF system aspects,
- Conformance test specifications for testing of all aspects of GERAN base stations,
- GERAN specific O&M specifications for the nodes in the GERAN.
Chairman:Werner Kreuzer
ETSI
Research in Motion UK Limited
Secretary:Paolino Usai
Top Up ### GERAN1 ### GERAN2 ### GERAN3 ### http://www.3gpp.org/GERAN-WG2
 

GERAN WG2 - Protocol Aspects
WG2 is responsible for protocol aspects of GERAN. This is for layers above the physical layer, i.e. GERAN WG2 specifies the Data link and RLC/MAC layer protocols and the interfaces between these layers and the physical layer.
Chairman:Guillaume Sébire
ETSI
Nokia Corporation
Secretary:Gert Thomasen
Top Up ### GERAN1 ### GERAN2 ### GERAN3 ### http://www.3gpp.org/GERAN-WG3
 

GERAN WG3 - Terminal Testing
TSG GERAN WG3 is responsible for conformance test specifications for testing of all aspects of GERAN terminals.
Convenor:Stoyan Baev
ETSI
Samsung Electronics
Secretary:Ingbert Sigovich
Top Up ### TSG GERAN ### TSG RAN ### TSG SA ### TSG CT ### http://www.3gpp.org/RAN
 

TSG RAN - Radio Access Network
### RAN1 ### RAN2 ### RAN3 ### RAN4 ### RAN5 ###
TSG Radio Access Network (TSG RAN) is responsible for the definition of the functions, requirements and interfaces of the UTRA/E-UTRA network in its two modes, FDD & TDD. More precisely: radio performance, physical layer, layer 2 and layer 3 RR specification in UTRAN/E-UTRAN; specification of the access network interfaces (Iu, Iub, Iur, S1 and X2); definition of the O&M requirements in UTRAN/E-UTRAN and conformance testing for User Equipment and Base Stations.
Chairman:Takehiro Nakamura Vice Chairman:Han Van Bussel
ARIB ETSI
NTT DoCoMo Inc. Deutsche Telekom AGAG
Vice Chairman:Hai Tang
CCSA
China Mobile Com. Corporation
Vice Chairman:Marc Grant
ATIS
AT&T
Secretary:Joern Krause
Top Up ### RAN1 ### RAN2 ### RAN3 ### RAN4 ### RAN5 ### http://www.3gpp.org/RAN1
 

RAN WG1 - Radio layer 1
TSG RAN WG1 (Radio layer 1) is responsible for the specification of the physical layer of the radio Interface for UE, UTRAN, Evolved UTRAN, and beyond; covering both FDD and TDD modes of radio interface.
Chairman:Matthew Baker Vice Chairman:Charlie Zhang (jianzhong)
ETSI ATIS
Alcatel-Lucent Samsung Telecommunications
Vice Chairman:Tetsushi Abe
ARIB
NTT DoCoMo Inc.
Secretary:Patrick Merias
Top Up ### RAN1 ### RAN2 ### RAN3 ### RAN4 ### RAN5 ### http://www.3gpp.org/RAN2
 

RAN WG2 - Radio layer 2 and Radio layer 3 RR
WG2 is in charge of the Radio Interface architecture and protocols (MAC, RLC, PDCP), the specification of the Radio Resource Control protocol, the strategies of Radio Resource Management and the services provided by the physical layer to the upper layers.
Chairman:Gert-Jan Van Lieshout Vice Chairman:Etienne Chaponnière
ETSI ETSI
Samsung Electronics Qualcomm Europe
Vice Chairman:Benoist Sébire
ETSI
Nokia Siemens Networks
Secretary:Joern Krause
Top Up ### RAN1 ### RAN2 ### RAN3 ### RAN4 ### RAN5 ### http://www.3gpp.org/RAN3
 

RAN WG3 - Iu, Iub, Iur, S1, X2 and UTRAN/E-UTRAN architecture
WG3 is responsible for the Overall UTRAN/E-UTRAN architecture and the specification of protocols for the Iu, Iur, Iub, S1 and X2 interfaces.
Chairman:Dino Flore Vice Chairman:Martin Israelsson
ATIS ETSI
Qualcomm Incorporated Telefon AB LM Ericsson
Vice Chairman:Philippe Reininger
CCSA
HuaWei Technologies Co., Ltd
Secretary:Juha Korhonen
Top Up ### RAN1 ### RAN2 ### RAN3 ### RAN4 ### RAN5 ### http://www.3gpp.org/RAN4
 

RAN WG4 - Radio performance and protocol aspects
WG4 works on the RF aspects of UTRAN/E-UTRAN. RAN4 performs simulations of diverse RF system scenarios and derives the minimum requirements for transmission and reception parameters, and for channel demodulation. Once these requirements are set,the group defines the test procedures that will be used to verify them (only for BS). Requirements for other radio elements, like Repeaters, are specified in the RAN4 as well.
Chairman:Takaharu Nakamura Vice Chairman:Edgar Fernandes
ARIB ETSI
Fujitsu Limited Motorola Ltd
Vice Chairman:Christian Bergljung
ETSI
ST-Ericsson SA
Secretary:Issam Toufik
Top Up ### RAN1 ### RAN2 ### RAN3 ### RAN4 ### RAN5 ### http://www.3gpp.org/RAN5
 

RAN WG5 - Mobile terminal conformance testing
WG5 works on the specification of conformance testing at the Radio interface (Uu) for the User Equipment (UE). The test specifications are based on the requirements defined by other groups such as RAN WG4 for the radio test cases, and RAN WG2 and CT WG1 for the signalling and protocols test cases. RAN WG5 is organised in two subgroups, RF subgroup and signalling subgroup.
Chairman:Phillip Brown Vice Chairman:Jacob John
ARIB ETSI
NTT DoCoMo Motorola
Vice Chairman:Fredrik Sundström
ETSI
Ericsson
Secretary:Ingbert Sigovich
Top Up ### TSG GERAN ### TSG RAN ### TSG SA ### TSG CT ### http://www.3gpp.org/SA
 

TSG SA - Service and System Aspects
### SA1 ### SA2 ### SA3 ### SA4 ### SA5 ###
The TSG Service and System Aspects (TSG-SA) is responsible for the overall architecture and service capabilities of systems based on 3GPP specifications and, as such, has a responsibility for cross TSG co-ordination.
Chairman:Stephen Hayes Vice Chairman:Kevin Holley
ATIS ETSI
Ericsson Inc. Telefónica SA
Vice Chairman:Ki Young Kim
TTA
LG Electronics Inc.
Vice Chairman:Akishige Noda
TTC
Fujitsu Limited
Secretary:Maurice Pope
Top Up ### SA1 ### SA2 ### SA3 ### SA4 ### SA5 ### http://www.3gpp.org/SA1
 

SA WG1 - Services
TSG SA WG1 Services works on the services and features for 3G. The group sets high level requirements for the overall system and provides this in a Stage 1 description in the form of specifications and reports. This work includes: Definition of service and feature requirements, Framework for services, Specification of services (stage 1), Specification of service capabilities (stage 1), Identification of technical and operational issues to meet market requirements and Charging and accounting requirements.
Chairman:Enrico Scarrone Vice Chairman:Dick Knight
ETSI ETSI
Telecom Italia BT Group
Vice Chairman:Joerg Swetina
ETSI
NEC Europe
Secretary:Alain Sultan
Top Up ### SA1 ### SA2 ### SA3 ### SA4 ### SA5 ### http://www.3gpp.org/SA2
 

SA WG2 - Architecture
TSG SA WG2 Architecture is in charge of developing the Stage 2 of the 3GPP network. Based on the services requirements elaborated by SA1, SA2 identifies the main functions and entities of the network, how these entities are linked to each other and the information they exchange. The output of SA2 is used as input by the groups in charge of the definition of the precise format of messages in Stage 3 (Stage 2 for the Radio Access Network is under TSG RAN's responsibility). The group has a system-wide view, and decides on how new functions integrate with the existing network entities.
Chairman:Balazs Bertenyi Vice Chairman:Hong Liu
ETSI CCSA
Nokia Siemens Networks China Mobile Com. Corporation
Vice Chairman:Andy Bennett
ETSI
Alcatel-Lucent
Secretary:Maurice Pope
Top Up ### SA1 ### SA2 ### SA3 ### SA4 ### SA5 ### http://www.3gpp.org/SA3
 

SA WG3 - Security
SA WG3 Security is responsible for the security of the 3GPP system, performing analyses of potential security threats to the system, considering the new threats introduced by the IP based services and systems and setting the security requirements for the overall 3GPP system. SA WG3 aims at providing at least the same level of security and confidentiality as the 2nd Generation digital systems (e.g. GSM) and to improve upon this wherever feasible. SA WG3 continuously analyse the security implications of new services being developed.
Chairman:Bengt Sahlin Vice Chairman:Marcus Wong
ETSI ATIS
Telefon AB LM Ericsson HuaWei Technologies Co., Ltd
Vice Chairman:Peter Howard
ETSI
Vodafone Group
Secretary:Dionisio Zumerle
Top Up ### SA1 ### SA2 ### SA3 ### SA4 ### SA5 ### http://www.3gpp.org/SA4
 

SA WG4 - Codec
TSG SA WG4 Codec deals with the specifications for speech, audio, video, and multimedia codecs, in both circuit-switched and packet-switched environments. Other topics within the mandate of SA WG4 are: quality evaluation, end-to-end performance, and interoperability aspects with existing mobile and fixed networks (from codec point of view).
Chairman:Kari Jarvinen Vice Chairman:Stephane Ragot
ETSI ETSI
Nokia Corporation France Telecom
Vice Chairman:Edward Hall
ETSI
Vodafone Group
Secretary:Paolino Usai
Top Up ### SA1 ### SA2 ### SA3 ### SA4 ### SA5 ### http://www.3gpp.org/SA5
 

SA WG5 - Telecom Management
TSG SA WG5 Telecom Management: The WG will specify the management framework and requirements for management of the 3G system, delivering the architecture descriptions of the telecommunication management network (TMN) and coordinating across TSGs all work pertinent to the 3G system telecom management.
Chairman:Christian Toche Vice Chairman:Thomas Tovinger
ETSI ETSI
Huawei Technologies Telefon AB LM Ericsson
Vice Chairman:Istvan Aba
ETSI
Deutsche Telekom AG
Secretary:Dionisio Zumerle
Top Up ### TSG GERAN ### TSG RAN ### TSG SA ### TSG CT ### http://www.3gpp.org/CT
 

TSG CT - Core Network & Terminals
### CT1 ### CT3 ### CT4 ### CT6 ###
The TSG Core Network and Terminals (TSG CT) is responsible for specifying terminal interfaces (logical and physical), terminal capabilities (such as execution environments) and the Core network part of 3GPP systems.

More specifically: User Equipment - Core network layer 3 radio protocols ( Call Control, Session Management, Mobility Management), signalling between the core network nodes, interconnection with external networks, O&M requirements, GPRS between network entities, Transcoder Free Operation, CAMEL, Generic User Profile, Wireless LAN - UMTS interworking and descriptions of IP Multimedia Subsystem, SIP Call Control, SDP protocols for the IM subsystem, mapping of QoS and the interfaces specific to the UMTS Open Service Access (OSA).
Chairman:Hannu Hietalahti Vice Chairman:Luisa Marchetto
ETSI ATIS
Nokia Corporation AT&T
Vice Chairman:Adrian Neal
ETSI
Vodafone Group Plc
Vice Chairman:Rouzbeh Farhoumand
CCSA
HuaWei Technologies Co., Ltd
Secretary:Kimmo Kymalainen
Top Up ### CT1 ### CT3 ### CT4 ### CT6 ### http://www.3gpp.org/CT1
 

CT WG1 - MM/CC/SM (lu)
Working Group CT1 is responsible for the 3GPP specifications that define the User Equipment - Core network L3 radio protocols and Core network side of the Iu reference point.
Chairman:Atle Monrad Vice Chairman:Chen-ho Chin
ETSI ETSI
Telefon AB LM Ericsson Research in Motion UK
Vice Chairman:Yannick Lair
ETSI
NEC Technologies (UK) LTD
Secretary:Frederic Firmin
Top Up ### CT1 ### CT3 ### CT4 ### CT6 ### http://www.3gpp.org/CT3
 

CT WG3 - Interworking with external networks
The TSG Core Network and Terminals WG3 (TSG CT WG3) specifies the bearer capabilities for circuit and packet switched data services, and the necessary interworking functions towards both, the user equipment in the UMTS PLMN and the terminal equipment in the external network. In addition CT is responsible of end to end QoS for the UMTS core network in Release 5 and beyond.
Chairman:Ragnar Huslende Vice Chairman:Weihua Wei
ETSI ETSI
Telefon AB LM Ericsson Huawei Technologies Co. Ltd.
Vice Chairman:Thomas Belling
ETSI
Nokia Siemens Networks
Secretary:Gwiho Chun
Top Up ### CT1 ### CT3 ### CT4 ### CT6 ### http://www.3gpp.org/CT4
 

CT WG4 - MAP/CAMEL/GTP/BCH/SS/TrFO/IMS/GUP/WLAN
The TSG Core Network and Terminals WG4 (TSG CT WG4) standardizes stage 2 and stage 3 aspects within the Core Network focusing on Supplementary Services, Basic Call Processing, Mobility Management within the Core Network, Bearer Independent Architecture, GPRS between network entities, Transcoder Free Operation, CAMEL, Generic User Profile, Wireless LAN - UMTS interworking and descriptions of IP Multimedia Subsystem. CT4 is also responsible as a "protocol steward" for the some IP related protocols (this involves analyzing, validating, extending if necessary, clarifying how they are used, specifying packages and parameter values).
Chairman:Peter Schmitt Vice Chairman:Nigel Berry
ETSI ETSI
Nokia Siemens Networks Alcatel-Lucent Telecom Ltd
Vice Chairman:David Hutton  
ETSI
Vodafone Group Plc
Secretary:Kimmo Kymalainen
Top Up ### CT1 ### CT3 ### CT4 ### CT6 ### http://www.3gpp.org/CT6
 

CT WG6 - Smart Card Application Access
TSG CT WG6 is responsible for Development and maintenance of specifications and associated test specifications for the 3GPP smart card applications, and the interface with the Mobile Terminal.
Chairman:Heiko Kruse Vice Chairman:Davide Pratone
ETSI ETSI
Sagem Orga GmbH Telecom Italia
Vice Chairman:Paul Jolivet
ETSI
LG Electronics Mobilecomm
Secretary:Xavier Piednoir
Last update: July 31, 2010 
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