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Authors in this issue

Ericsson Review, no. 02, 2005

Eric Peterson  (eric.peterson@citat.se), Editor, Ericsson Review.

Bo Berglund is an Expert in radio technology. Since joining Ericsson in 1996 he has been involved in the development of linear power amplifier technology for PDC, TDMA and WCDMA base stations. He held an active role in the radio systemization part of the RBS4 radio architecture. At present he works with radio technology research at the radio technology department of Ericsson Business Unit Access. He holds an M.S. in electrical engineering from the Chalmers Institute of Technology (Göteborg, Sweden).
(bo.g.berglund@ericsson.com)

Martin Bäckström, who joined Ericsson in 1989, is an Expert in and Director of GSM and WiMAX radio access networks. He has an M.S. in electrical engineering from the Royal Institute of Technology (Stockholm, Sweden). During his time at Ericsson he has worked with narrowband, packet PDC IP systems, and served as the principal designer of GPRS. At present, he is working with new GSM-oriented technology such as UMA, GSM over IP, mobile GSM systems, and an improved GSM architecture. He is also helping drive WiMAX technology at Ericsson Business Unit Access.
(martin.backstrom@ericsson.com)

Erik Dahlman joined Ericsson in 1993. After working a few years with TDMA systems he turned his focus to the research and development of WCDMA technology. Most recently he has been involved in research on the long-term evolution of 3G and of 4G radio access. Erik is an Expert at Radio Access Technologies within Ericsson Research. He holds more than 30 patents related to 3G radio access technologies and was named Ericsson Inventor of the Year 1998. He has an M.S. in electrical engineering and a Ph.D. in telecommunication from the Royal Institute of Technology (Stockholm, Sweden).
(erik.dahlman@ericsson.com)

Hannes Ekström, who joined Ericsson Research in 2000, is currently involved in the development of the long-term evolution of 3G. He previously worked with performance evaluation issues relating to GSM/EDGE and UTRAN projects. The main focus of his work has been on the performance of internet protocols such as TCP over 3G wireless links. He holds an M.S. in electrical engineering from the Royal Institute of Technology (Stockholm).
(hannes.ekstrom@ericsson.com)

Michael Englund joined Ericsson in 1987 to work with the company's fixed line switching systems. Between 1989 and 1996 he was responsible for parts of the local GSM 1900 innovation and venture activities in Dallas, Texas. In 2000 he joined the radio systems division in Sweden as a radio base station product manager. At present, he is in charge of current and future WCDMA RBS products. Michael holds an M.S. in electrical engineering from the Chalmers University of Technology (Göteborg, Sweden).
(michael.englund@ericsson.com)

Mårten Ericson graduated from the Luleå University of Technology (Sweden) with an M.S. in computer science. He joined Ericsson Research in 1998. His initial assignment focused on radio network solutions for cellular systems, especially WCDMA, radio resource management and power control issues. From 1999 to 2001, the focus of his research was on advanced antenna system solutions for WCDMA and HSDPA. Since 2004 his emphasis has been on VoIP and PoC services over cellular systems, in particular HSDPA/E-UL.
(marten.ericson@ericsson.com)

Anders Furuskär joined Ericsson in 1990. As a Senior Research Engineer at Ericsson Research, Wireless Access Networks, his current focus is on the long-term evolution of 3G. He holds an M.S. and Ph.D. in radio communications systems from the Royal Institute of Technology (Stockholm, Sweden).
(anders.furuskar@ericsson.com)

Angana Ghosh has been with Ericsson at Research Triangle Park, North Carolina, USA, since October 2000. Her interest lies in open application environments for mobile devices, and she has worked in various standardization fora, such as MeT, WAP Forum, OMA and JCP. She is currently on the board of directors of MeT and an executive committee member of JCP. Angana is also responsible for managing the Java Standards project at Ericsson, which includes the JCP, OSGi and OMTP standards. She holds a bachelor's degree in electrical engineering and an M.S. in computer science from North Carolina State University (USA).
(angana.ghosh@ericsson.com)

Andreas Havdrup, who joined Ericsson in 1997, currently serves as business development manager at Business Unit Access. Before this he was product owner of Ericsson's Mobile@Home solution. He has also held marketing positions and worked with product management, strategic sales support, price management and product marketing. Andreas holds an M.S. in material science from the Luleå University of Technology (Sweden) and an MBA in general management from the Stockholm School of Economics (Sweden).
(andreas.havdrup@ericsson.com)

Jonas Karlsson joined Ericsson Research in 1993. Between 1998 and 2003 he served on assignment at Ericsson Research Japan, investigating interference cancellation for WCDMA systems. He has also worked with several advanced antenna trial systems. He currently works with advanced antenna systems and signal processing for the long-term evolution of 3G. He holds a Ph.D. in electrical engineering from the University of Tokyo (Japan).
(jonas.b.karlsson@ericsson.com)

Ingemar Lindblad is currently head of Ericsson Enterprise Systems and Technology, Operator and Mobile data solutions, where he leads the product development unit Enterprise Program for developing IMS-based multisession, multimedia communication systems. Since joining Ericsson in 1991 he has helped develop WLAN, IPsec access systems, and served as the technical coordinator of IP PBX development. He holds an M.S. from MIT (Boston, MA), and a Ph.D. from the Royal Institute of Technology (Stockholm, Sweden).
(ingemar.lindblad@ericsson.com)

Jonas Lundstedt joined Ericsson in 1999 to work with RBS radio system design. During the RBS R1 and R2 design projects he served as RBS radio system designer, RBS radio subproject manager, and later, as the head of radio nodes. In 2002 he joined RBS product management, focusing on the RBS product portfolio, radio roadmaps, and most recently on marketing. Jonas holds an M.S. in electrical engineering and a Ph.D. in electromagnetic theory from the Royal Institute of Technology (Stockholm, Sweden).
(jonas.lundstedt@ericsson.com)

Michael Meyer joined Ericsson Research in Aachen, Germany in 1996 to work with radio access protocols for GPRS and WCDMA, their interactions with transport protocols, and the related performance analysis. In 2001 he was appointed Senior Specialist. He is currently involved in developing the concept for evolved 3G systems. Michael received diploma and doctoral degrees in electrical engineering from the University of Paderborn (Germany).
(michael.meyer@ericsson.com)

Tomas Nylander, who joined Ericsson in 1985, works as system manager/solution architect at the system and technology division of Ericsson Business Unit Access. His current emphasis is on the Mobile@Home solution, which he also helped to prototype. Prior to this Tomas held several positions and worked with various products, systems and solutions in support, testing, design, system management, and prototyping. He has also held long-term assignments in Australia and Malaysia.
(tomas.nylander@ericsson.com)

Johny Nyman joined Ericsson's fixed networks installation and support organization in 1974 and since 1978 his work has focused on enterprise communications, among other things helping coordinate the introduction of local and global field support centers for enterprise voice solutions. Johny has served on assignments in Latin America, the USA and in the Far East. He was appointed head of the global support center for the PBX support in 1982. Johny left Ericsson in 1983 to work as development manager and product area manger for enterprise solutions. He returned to Ericsson in 1991 as product manager for Enterprise offerings. At present he works with strategic product management at Ericsson Enterprise and is responsible for the long-term roadmap and strategic planning of enterprise communications offerings.
(johny.nyman@ericsson.com)

Magnus Olsson joined Ericsson in 1992 to work with GSM and software for the base station controller. Initially, he served as a developer and then as project manager. In time, he transitioned into the role of system development instructor for GSM and AXE. In 1996, he left Ericsson to work as a consultant, developing tools and simulators for mobile handset software and applications. In 1998, he joined Ericsson Mobile Communications (EMP) in Lund to work with handset applications and mobile internet standards. In the telecommunications standards community he chaired the WAP 2.0 architecture working group, defining the architecture for core technology including WML, xHTML MP and gateway/proxy. During the transition of WAP to OMA, he served as EMP's overall standards coordinator. Since 2003, he has worked with the JCP and Java Micro Edition standards. Most recently, he has actively participated in OMTP standards fora. Magnus holds a graduate degree in telecommunication engineering and telecommunication systems from Hässleholms Tekniska Skola (Sweden).
(magnus.olsson@ericsson.com)

Stefan Parkvall joined Ericsson Research in 1999 and is currently a Senior Specialist in adaptive radio access, working with research on and the standardization of future cellular technologies. He received a Ph.D. degree in electrical engineering from the Royal Institute of Technology (Stockholm) in 1996. His has also served as an assistant professor in communication theory at the Royal Institute of Technology, Stockholm, Sweden (1996-2001), and as a visiting researcher at the University of California, San Diego (1997-1998).
(stefan.parkvall@ericsson.com)

Patrik Persson joined Ericsson in 2005 to work with software engineering research. He became interested in object-oriented programming for embedded systems when it was still esoteric, and has since worked in academia and industry with software analysis tools, programming languages, and embedded real-time systems. Patrik holds a licentiate degree in computer science from the Lund Institute of Technology (Sweden).
(patrik.j.persson@ericsson.com)

Johan Torsner joined Ericsson in 1998 to head up HIPERLAN/2 radio network system design at Ericsson WLAN systems. In 2000 he moved to Ericsson Finland to work with WCDMA system management. In this role he has also worked actively with 3GPP standardization and WCDMA concept development. In 2004 he was appointed manager of the wireless access network research branch in Finland. Johan holds an M.S. in electrical engineering from the Royal institute of Technology (Stockholm, Sweden).
(johan.torsner@ericsson.com)

Jari Vikberg, who joined Ericsson in 1993, has served as Ericsson's representative in charge of the UMA specification and 3GPP GAN standardization. He has also worked on various prototype projects including the original Mobile@Home prototype, which got underway in 2000. At present he works as system manager of the Ericsson Mobile@Home solution. He holds an M.S. in computer science from the University of Helsinki (Finland).
(jari.vikberg@ericsson.com)

Lotta Voigt joined Ericsson in 1986 to work at Ericsson Radio Systems. She has since held various positions in system management, product management and research. She has worked with practically every mobile standard (AMPS/TDMA, PDC, GSM and WCDMA) as well as core network platforms and distributed systems. Most recently, she has worked with GSM-WCDMA co-existence, radio network deployment, and video in GSM/EDGE. At present, Lotta works at RAN Systems and Technology where her main focus is on VoIP in the WCDMA radio access network. She has an M.S. in electrical engineering from the Lund Institute of Technology (Sweden), including one year at Institut Nationale de Polytechnique de Toulouse (France).
(lotta.voigt@ericsson.com)

Mattias Wahlqvist started his career at Telia Research in 1995 and joined Ericsson Research in 1998. He has since held numerous positions working with operators and vendors in a variety of areas, including the definition and selection of the UMTS radio interface, WCDMA RRM, new RAN architectures, QoS and service performance, and GSM/GPRS/EDGE/WCDMA network performance. Although his main focus has been on standardization, Mattias has also worked with research, design and network operation. As a member of Systems and Technology, he is currently helping to drive Ericsson's standardization activities regarding the radio network architecture for the long-term evolution of 3G. At present, Mattias is based at Ericsson Spain. He holds an M.S. in computer science (1995) and a Lic. Eng. in signal processing (1998), both from the Luleå University of Technology (Sweden).
(mattias.wahlqvist@ericsson.com)

Stefan Wänstedt joined Ericsson in 1999. His initial assignment, which focused on radio network performance measurements for cellular systems, included GPRS and voice quality models. He has also worked with projects relating to streaming over WCDMA and EDGE. The current focus of his work is on real-time services over cellular systems, in particular HSDPA/E-UL. He holds a Ph.D. in geophysics from the Luleå University of Technology (Sweden).
(stefan.wanstedt@ericsson.com)

Peter Öhman is a Senior Expert in IP and telecommunications network and system architecture. During his 25 years at Ericsson he has worked in a variety of positions with each of Ericsson's major telecommunications systems. At present he works at Group Function System Management where he is responsible for platform evolution. He holds an M.S. from Chalmers University of Technology (Göteborg, Sweden).
(peter.ohman@ericsson.com)