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Ericsson Review
Authors in this issue
Eric Peterson, the editor of Ericsson Review.
Gertie Alsenmyr joined Ericsson in 1995, working with standardization and system design of the radio access network and core network for GSM/GPRS. Since 2000, she has been working with system design of the WCDMA radio access network. Before joining Ericsson she worked at Telia Mobile with the standardization of GSM, and with field tests of the GSM system. She holds an M.S. in electrical engineering from the Linköping Institute of Technology, Sweden.
Joakim Bergström joined Ericsson Research in 1998 to work with WCDMA. He currently serves as the technical coordinator of Ericsson’s activities in 3GPP RAN WG2, which is in charge of standardizing WCDMA radio layers 2 and 3. He holds an M.S. in electrical engineering from the Royal Institute of Technology in Stockholm, Sweden.
Anders Eriksson is a systems manager for PDU Network Databases and value-added Solutions at Ericsson’s Core Unit Service Network and Applications. He joined Ericsson in 1998, to work with the system architecture for Ericsson’s e-Services products. In 2000, he joined CSNA and has been engaged in the development of the architecture of the service network framework. He holds an M.S. in computer science from the Luleå University of Technology, Sweden.
Åke Gustafsson is systems manager at PDU Messaging and Enablers at Ericsson’s Core Unit Service Network and Applications. He joined Ericsson in 1986 as a software developer for AXB-30. Since 1990, Åke Gustafsson has worked as System Manager with different IP-based messaging systems—for example, System-T for paging, MXE for voice mail and SMS, MoIP for unified messaging, and IMPS for instant messaging. After five years at Ericsson Messaging Systems in New York, USA, he returned to Sweden to begin defining the architecture of the service network framework.
Mattias Hagberg joined Ericsson in 1997. Since 1999, he has worked with the BSS, developing mobility between GSM and WCDMA. He holds an M.S.E.E degree from the Royal Institute of Technology, Stockholm.
Franz Heiser currently works as system engineer at Ericsson AB in Kista, Sweden. Since joining Ericsson, in 1998, he has, among other things, worked as technical coordinator, project manager, senior specialist and system node area manager of baseband system design for Ericsson‘s WCDMA base stations. Franz studied physics at the Technical University of Berlin, Germany, and holds a doctorate degree in engineering (Dr.-Ing.) from the same University.
Johan Hjelm joined Ericsson Research in 1997. In 2001, he was appointed senior specialist, Internet information services and protocol design. From 1997 to 2000 he served as Ericsson’s representative in W3C, and at present he is active in the Open Mobile Alliance. Johan is also an active writer and author of more than ten books. He has studied economics at Uppsala University and holds a degree in journalism from Poppius School of Journalism.
Andy Johnston is a master designer currently working as chief architect of the service network framework at the systems management and technology unit of Ericsson’s Core Unit Service Network and Applications. Andy has been with Ericsson since 1995 working in a number of technical and technical management positions. Prior to joining Ericsson, he was the chief developer of the widely used CAMPUS® Database & CAE system. He has a degree in applied computer science from Dublin City University, Ireland and is an active member of the IEEE and ACM organizations.
Chamath Kodituwakku joined Ericsson in 1997 to serve as a systems consultant, integrating BSS solutions into legacy systems for GSM networks, formulating solutions for BSS, billing, and O&M, and integrating CRM systems and core networks. From 1998 to 1999 he worked with GPRS-STP, IP backbone design, and verification. And from 2000 to 2001, he served as a manger of global Mobile Internet solutions. He is currently a solution architect of service layer solutions, integrating service layer systems built from Ericsson’s product portfolio into legacy and third-party products. He holds an M.S. in information technology from the University of Oslo, Norway.
Jürgen Lerzer who joined Ericsson in 1997, is a senior systems engineer at Ericsson Eurolab in Nuremberg, Germany, where he works with development and system design of Ericsson’s base stations for WCDMA. In particular, he works with the development of WCDMA baseband downlink processing functions, including future baseband enhancements, such as high-speed downlink packet-data access. Jürgen holds a Dipl.-Ing. degree in electrical engineering from the University of Erlangen-Nuremberg, Germany.
Gertie Alsenmyr joined Ericsson in 1995, working with standardization and system design of the radio access network and core network for GSM/GPRS. Since 2000, she has been working with system design of the WCDMA radio access network. Before joining Ericsson she worked at Telia Mobile with the standardization of GSM, and with field tests of the GSM system. She holds an M.S. in electrical engineering from the Linköping Institute of Technology, Sweden.
Joakim Bergström joined Ericsson Research in 1998 to work with WCDMA. He currently serves as the technical coordinator of Ericsson’s activities in 3GPP RAN WG2, which is in charge of standardizing WCDMA radio layers 2 and 3. He holds an M.S. in electrical engineering from the Royal Institute of Technology in Stockholm, Sweden.
Anders Eriksson is a systems manager for PDU Network Databases and value-added Solutions at Ericsson’s Core Unit Service Network and Applications. He joined Ericsson in 1998, to work with the system architecture for Ericsson’s e-Services products. In 2000, he joined CSNA and has been engaged in the development of the architecture of the service network framework. He holds an M.S. in computer science from the Luleå University of Technology, Sweden.
Åke Gustafsson is systems manager at PDU Messaging and Enablers at Ericsson’s Core Unit Service Network and Applications. He joined Ericsson in 1986 as a software developer for AXB-30. Since 1990, Åke Gustafsson has worked as System Manager with different IP-based messaging systems—for example, System-T for paging, MXE for voice mail and SMS, MoIP for unified messaging, and IMPS for instant messaging. After five years at Ericsson Messaging Systems in New York, USA, he returned to Sweden to begin defining the architecture of the service network framework.
Mattias Hagberg joined Ericsson in 1997. Since 1999, he has worked with the BSS, developing mobility between GSM and WCDMA. He holds an M.S.E.E degree from the Royal Institute of Technology, Stockholm.
Franz Heiser currently works as system engineer at Ericsson AB in Kista, Sweden. Since joining Ericsson, in 1998, he has, among other things, worked as technical coordinator, project manager, senior specialist and system node area manager of baseband system design for Ericsson‘s WCDMA base stations. Franz studied physics at the Technical University of Berlin, Germany, and holds a doctorate degree in engineering (Dr.-Ing.) from the same University.
Johan Hjelm joined Ericsson Research in 1997. In 2001, he was appointed senior specialist, Internet information services and protocol design. From 1997 to 2000 he served as Ericsson’s representative in W3C, and at present he is active in the Open Mobile Alliance. Johan is also an active writer and author of more than ten books. He has studied economics at Uppsala University and holds a degree in journalism from Poppius School of Journalism.
Andy Johnston is a master designer currently working as chief architect of the service network framework at the systems management and technology unit of Ericsson’s Core Unit Service Network and Applications. Andy has been with Ericsson since 1995 working in a number of technical and technical management positions. Prior to joining Ericsson, he was the chief developer of the widely used CAMPUS® Database & CAE system. He has a degree in applied computer science from Dublin City University, Ireland and is an active member of the IEEE and ACM organizations.
Chamath Kodituwakku joined Ericsson in 1997 to serve as a systems consultant, integrating BSS solutions into legacy systems for GSM networks, formulating solutions for BSS, billing, and O&M, and integrating CRM systems and core networks. From 1998 to 1999 he worked with GPRS-STP, IP backbone design, and verification. And from 2000 to 2001, he served as a manger of global Mobile Internet solutions. He is currently a solution architect of service layer solutions, integrating service layer systems built from Ericsson’s product portfolio into legacy and third-party products. He holds an M.S. in information technology from the University of Oslo, Norway.
Jürgen Lerzer who joined Ericsson in 1997, is a senior systems engineer at Ericsson Eurolab in Nuremberg, Germany, where he works with development and system design of Ericsson’s base stations for WCDMA. In particular, he works with the development of WCDMA baseband downlink processing functions, including future baseband enhancements, such as high-speed downlink packet-data access. Jürgen holds a Dipl.-Ing. degree in electrical engineering from the University of Erlangen-Nuremberg, Germany.
Helmut Leuschner joined Ericsson in 1997 to work with the development of the decoder part of Ericsson’s WCDMA test system for NTT DoCoMo. He was then put in charge of systemizing the common baseband design used in all WCDMA base stations. In 2000, he became responsible for the uplink baseband processing subsystem implemented on the RAX board. In addition, he works with the systemization, design, verification and quality aspects affecting the entire baseband. Helmut holds a Dipl.-Ing. degree from the University of Applied Sciences of Nürnberg.
Sebastian Lind joined Ericsson in 1996 as a project manager working with IS/IT projects for GSM and WCDMA production. In 2000, he became a customer project manager at Ericsson Internet Applications, where he managed Mobile Internet projects for major European operators. He also supported global customer units and local markets in several sales activities related to service network enablers and solutions. He presently works as a strategic product manager for the integration of MMS, wireless streaming and positioning solutions at the systems integration division of Ericsson Global Services. Besides this assignment, Sebastian is a member of various company-wide programs.
Anders Milén joined Ericsson in 1993 to work with GSM base station design. He later joined the GSM BSS system design team, working mainly with system characteristics and end-user quality issues. In 1999, after a period of evaluating the WCDMA trial system, he began working with UTRAN system design, serving as team leader. Anders is currently a technical coordinator of mobile terminal inter- operability testing activities. He holds an M.S. in electrical engineering from the Lund Institute of Technology, Sweden.
Walter Müller is presently senior specialist in WCDMA radio network system design. He joined Ericsson, in 1983, to work with hardware and software design for radio link equipment. Since 1989, he has worked as a system designer for mobile systems with emphasis on radio network functions. He participated in the standardization of D-AMPS (TDMA) and with system design of radio network functions. He also participated in early PDC development and system design. Between 1997 and 2000, he contributed to the standardization of the WCDMA radio interface. Since 2000 he has worked with system design of Ericsson’s radio access network system for WCDMA. Walter holds an M.S. in electrical engineering from Chalmers University of Technology in Göteborg, Sweden.
Magnus Olsson joined Ericsson in 1992 to work with GSM and BSC systems at EPK in Hässleholm Sweden. His duties ranged from development to object leader, and later, systems instructor in the area of GSM and AXE. In 1996, he began working as a consultant, developing tools for the development and simulation of handset software. In 1998, he joined ECS in Lund to work with Mobile Internet standards. He has served as chairman of the WAP 2.0 architecture working group, defining core technology for several OMA enablers. Recently, he has served as Ericsson’s lead coordinator for Java-J2ME standards development and has helped coordinate the EMP efforts for OMA standards. Magnus Olsson holds a graduate degree in telecommunication engineering and telecommunication systems from Hässleholms Tekniska Skola, Sweden.
Håkan Palm is presently a senior specialist in radio resource control for mobile terminals. He joined Ericsson in 1989, working with GSM and PDC mobile systems and radio network functions implemented in network products. In 1997, he participated in the system studies for 3G radio access networks and WCDMA. In 1999, he began working with terminal platform development at Ericsson Mobile Platforms. Today, he works with 3GPP radio interface standardization. He holds an M.S. in electrical engineering from the Linköping Institute of Technology, Sweden.
Mike Slssingar is systems manager at PDU NDVAS within Ericsson’s Core Unit Service Network and Applications. Since 2000, he has been working in different roles to define and introduce the service network framework. He has coordinated the SNF Applied Workgroup and has worked to ensure architectural quality through his role as chairman of the SNF review board. He is now working to support SNF system analysis and architecture coordination in CSNA R3 and R4.
Torbjörn Svanberg joined Ericsson in 1999 working as customer project manager for some of the first Mobile Internet solutions Ericsson delivered in joint projects with Asian and European operators. In 2001 he began working with the offering of professional services as a part of Ericsson’s complete solution offering in the service layer. This position also included responsibility for implementation plans of the portal solutions offering in customer-specific projects and tenders. Torbjörn currently works as a strategic product manager for Service Network Solutions at Ericsson Global Services, which encompasses the definition and scoping of the overall offering to operators. He holds an MBA from the International Business Program, Linköping University, Sweden, and a master’s degree in marketing from EADA Business School, Barcelona, Spain.
Himke van der Velde works with the standardization of WCDMA. He represents Ericsson in the 3GPP RAN WG2, which is in charge of standardizing the radio interface architecture and protocols. Since joining Ericsson, in 1991, he has worked as systems engineer on DECT-based cordless telephony products for several application areas, including CTM (public pico-cellular), cordless PBX and DECT/GSM. This involved participation in several ETSI standardization workgroups. Before joining Ericsson he worked for the International Telecommunications Union by assisting small telecommunication administrations in the South Pacific. He graduated from the Twente University of Technology in Enschede, the Netherlands.
Pontus Wallentin is a senior specialist in mobile systems architecture. He joined Ericsson in 1988, working with system design of GSM and TDMA radio access network and core network products. Since 1996, he has conducted research on the WCDMA radio access network, participated in system studies, and served as a delegate of 3GPP standardization. He holds an M.S. degree in electrical engineering from the Linköping Institute of Technology, Sweden.
Fredrik Wallgren joined Ericsson’s production division in 1987, where he worked with producibility analysis and testing. He left Ericsson and telecommunications for four years, but returned in 1995 to the marketing side of the business to work with mobile network design, and later, technical sales support and product marketing. From 2000 to 2002 he served as marketing director for UMTS and GSM systems in Ericsson Spain. Today, he is product manager for WCDMA radio access networks. He has M.S. and Licentiate of Technology degrees from the Royal Institute of Technology in Stockholm.
Zhongping Zhang joined Ericsson Radio Systems in Kista, Sweden to work with the development and design of the baseband system for the WCDMA base station for NTT DoCoMo. This became the first WCDMA base station to be put in commercial use. In 2001, he was put in charge of baseband system design for Ericsson's WCDMA RBS3000. Zhongping has studied electrical engineering at Tongji University of Shanghai, China, the Technical University of Munich, Germany, and the Technical University of Vienna, Austria. He holds a Ph.D. in electrical engineering from the Technical University of Vienna.
Sebastian Lind joined Ericsson in 1996 as a project manager working with IS/IT projects for GSM and WCDMA production. In 2000, he became a customer project manager at Ericsson Internet Applications, where he managed Mobile Internet projects for major European operators. He also supported global customer units and local markets in several sales activities related to service network enablers and solutions. He presently works as a strategic product manager for the integration of MMS, wireless streaming and positioning solutions at the systems integration division of Ericsson Global Services. Besides this assignment, Sebastian is a member of various company-wide programs.
Anders Milén joined Ericsson in 1993 to work with GSM base station design. He later joined the GSM BSS system design team, working mainly with system characteristics and end-user quality issues. In 1999, after a period of evaluating the WCDMA trial system, he began working with UTRAN system design, serving as team leader. Anders is currently a technical coordinator of mobile terminal inter- operability testing activities. He holds an M.S. in electrical engineering from the Lund Institute of Technology, Sweden.
Walter Müller is presently senior specialist in WCDMA radio network system design. He joined Ericsson, in 1983, to work with hardware and software design for radio link equipment. Since 1989, he has worked as a system designer for mobile systems with emphasis on radio network functions. He participated in the standardization of D-AMPS (TDMA) and with system design of radio network functions. He also participated in early PDC development and system design. Between 1997 and 2000, he contributed to the standardization of the WCDMA radio interface. Since 2000 he has worked with system design of Ericsson’s radio access network system for WCDMA. Walter holds an M.S. in electrical engineering from Chalmers University of Technology in Göteborg, Sweden.
Magnus Olsson joined Ericsson in 1992 to work with GSM and BSC systems at EPK in Hässleholm Sweden. His duties ranged from development to object leader, and later, systems instructor in the area of GSM and AXE. In 1996, he began working as a consultant, developing tools for the development and simulation of handset software. In 1998, he joined ECS in Lund to work with Mobile Internet standards. He has served as chairman of the WAP 2.0 architecture working group, defining core technology for several OMA enablers. Recently, he has served as Ericsson’s lead coordinator for Java-J2ME standards development and has helped coordinate the EMP efforts for OMA standards. Magnus Olsson holds a graduate degree in telecommunication engineering and telecommunication systems from Hässleholms Tekniska Skola, Sweden.
Håkan Palm is presently a senior specialist in radio resource control for mobile terminals. He joined Ericsson in 1989, working with GSM and PDC mobile systems and radio network functions implemented in network products. In 1997, he participated in the system studies for 3G radio access networks and WCDMA. In 1999, he began working with terminal platform development at Ericsson Mobile Platforms. Today, he works with 3GPP radio interface standardization. He holds an M.S. in electrical engineering from the Linköping Institute of Technology, Sweden.
Mike Slssingar is systems manager at PDU NDVAS within Ericsson’s Core Unit Service Network and Applications. Since 2000, he has been working in different roles to define and introduce the service network framework. He has coordinated the SNF Applied Workgroup and has worked to ensure architectural quality through his role as chairman of the SNF review board. He is now working to support SNF system analysis and architecture coordination in CSNA R3 and R4.
Torbjörn Svanberg joined Ericsson in 1999 working as customer project manager for some of the first Mobile Internet solutions Ericsson delivered in joint projects with Asian and European operators. In 2001 he began working with the offering of professional services as a part of Ericsson’s complete solution offering in the service layer. This position also included responsibility for implementation plans of the portal solutions offering in customer-specific projects and tenders. Torbjörn currently works as a strategic product manager for Service Network Solutions at Ericsson Global Services, which encompasses the definition and scoping of the overall offering to operators. He holds an MBA from the International Business Program, Linköping University, Sweden, and a master’s degree in marketing from EADA Business School, Barcelona, Spain.
Himke van der Velde works with the standardization of WCDMA. He represents Ericsson in the 3GPP RAN WG2, which is in charge of standardizing the radio interface architecture and protocols. Since joining Ericsson, in 1991, he has worked as systems engineer on DECT-based cordless telephony products for several application areas, including CTM (public pico-cellular), cordless PBX and DECT/GSM. This involved participation in several ETSI standardization workgroups. Before joining Ericsson he worked for the International Telecommunications Union by assisting small telecommunication administrations in the South Pacific. He graduated from the Twente University of Technology in Enschede, the Netherlands.
Pontus Wallentin is a senior specialist in mobile systems architecture. He joined Ericsson in 1988, working with system design of GSM and TDMA radio access network and core network products. Since 1996, he has conducted research on the WCDMA radio access network, participated in system studies, and served as a delegate of 3GPP standardization. He holds an M.S. degree in electrical engineering from the Linköping Institute of Technology, Sweden.
Fredrik Wallgren joined Ericsson’s production division in 1987, where he worked with producibility analysis and testing. He left Ericsson and telecommunications for four years, but returned in 1995 to the marketing side of the business to work with mobile network design, and later, technical sales support and product marketing. From 2000 to 2002 he served as marketing director for UMTS and GSM systems in Ericsson Spain. Today, he is product manager for WCDMA radio access networks. He has M.S. and Licentiate of Technology degrees from the Royal Institute of Technology in Stockholm.
Zhongping Zhang joined Ericsson Radio Systems in Kista, Sweden to work with the development and design of the baseband system for the WCDMA base station for NTT DoCoMo. This became the first WCDMA base station to be put in commercial use. In 2001, he was put in charge of baseband system design for Ericsson's WCDMA RBS3000. Zhongping has studied electrical engineering at Tongji University of Shanghai, China, the Technical University of Munich, Germany, and the Technical University of Vienna, Austria. He holds a Ph.D. in electrical engineering from the Technical University of Vienna.
