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Authors in this issue

Ericsson Review, no. 03, 2007

Peter Arberg joined Redback Networks in 2000 as a Consulting Engineer for broadband network solutions. In 2002, he joined the product management team, and today holds the position of Director, Standards and Architecture, Redback Networks. Before his career at Redback Networks, Peter worked in the networking industry and has, among other things, helped implement internet solutions in several government ministries in British Columbia, Canada. He was also part of the consulting engineering team at Cisco Systems for many years.

 

Per Beming joined Ericsson in 1994 to work with radio access concept development and standardization. The most prevalent examples are GPRS, WCDMA, HSPA, and LTE-SAE. He has been a key member of 3GPP TSG RAN since 1999. At present, he is responsible for standardization at Development Unit Radio within Business Unit Networks. He also manages a group of systems managers who work with concept development and standardization. Per holds an M.S. in applied physics and electrical engineering from the Linköping Institute of Technology (Sweden).
 
Torbjörn Cagenius, who joined Ericsson in 1990, is an Expert in applied broadband services. He holds a M.S. in electrical engineering from the Royal Institute of Technology (Sweden). During the 1990s he worked with the development, product management and marketing of fiber optic components and subsystems. From 1999 through 2006 he focused on research in the areas of fiber optics in RBS applications, multi-access architectures from a fixed broadband network perspective, and IMS-based services as they relate to residential networks. Torbjörn currently serves as technical coordinator of IPTV at Business Unit Networks.

 

Mats Cedervall worked for Ericsson Research between 1997 and 2000, primarily with algorithms for positioning WCDMA and GSM phones as well as multi-antenna receiver algorithms. From 2001 to 2004 he worked outside of Ericsson, mainly with systems engineering and architecture in the service layer. In 2005, he rejoined Ericsson as a Senior System Manager to work with IPTV. Mats has a Ph.D. in signal processing from Uppsala University (Sweden).

 

Torsten Dinsing joined Ericsson in 2000 to research service layer technologies; in particular, web services and their exploitation toward service delivery platforms (SDP). In 2005 he moved to Global Services Systems Integration, where he serves as a strategic solution manager for SDP and IMS. Torsten holds an M.S. in electrical engineering from Technical University Aachen (Germany).

 

Göran AP Eriksson is a Senior Specialist in mobile communication. His work involves the architecture of mobile systems, ranging from end-user view to execution environments in devices and servers. He is also a member of the JSR289 Expert Group. Göran holds an M.S. in physics from the Royal Institute of Technology (Sweden) and has been working with telecommunications since 1991.

 

Ioannis Fikouras is a Senior Research Engineer currently working on service composition for SIP and IMS services. Since joining Ericsson in 2005, he has worked with service layer technologies research, focusing on the application of service-oriented architecture principles in IMS, in general, and enhanced service creation through service composition, in particular. Ioannis holds an M.S. in computer science and a Ph.D. from the University of Bremen (Germany).

 

Lars Frid has held several positions within strategic product management for mobile data services and IP networking since joining Ericsson in 1996. He is currently at product area Core & IMS, Business Unit Networks, where his main responsibility is packet core evolution with a specific focus on SAE. Lars holds an M.S. in electrical engineering from the Chalmers University of Technology (Sweden) and the Imperial College of Science, Technology & Medicine in London (UK).
 
Howard Green, who joined Ericsson by way of the Marconi acquisition in 2006, is currently working in broadband and transport research in Stockholm. He has been in the industry since 1980, working in research, development and business strategy for many technologies, from public switching to SDH and photonics. Howard has a Ph.D. in mathematics and an MBA, both from Warwick University (UK).

 

Kristoffer Gronowski is a Senior Specialist in SIP application servers and Java middleware. He joined Ericsson in 2004. Before this, he worked for four years at Hotsip (now Oracle). Kristoffer's heart is in programming, especially Java. He is a member in the Expert Group in charge of defining JSR-289, the new SIP container standard in JCP. He is also currently leading the architecture work in Ericsson's first big open-source initiative, "project Sailfin" (http://sailfin.dev.java.net ).

 

Göran Hall is an Expert in packet core network architecture at Product Unit Packet Core, Technology & Evolution. He joined Ericsson in 1991 to work with packet core network standardization and development, primarily with network architecture. The most prevalent examples are GPRS, WCDMA, PDC, LTE-SAE, and IP router equipment. Göran is currently responsible for packet core network standardization and initial development activities related to SAE. He holds an M.S. in electrical engineering from the Chalmers Institute of Technology (Sweden).

 

Uwe Horn holds an Expert position in the field of multimedia content delivery at Ericsson Research. Since joining Ericsson, in 1998, he has worked as technical coordinator and project manager in various standardization and prototyping projects. At the Ericsson Eurolab R&D Center in Aachen, Germany, he works with a team specialized in fixed and mobile content delivery networks. The current focus of his work is on mobile broadcast and IPTV. Uwe holds a Ph.D. in telecommunications from the University of Erlangen-Nuremberg (Germany) and a diploma in computer science from the University of Bonn (Germany).

 

Yun Chao Hu currently works for Ericsson Corporate Function Standardization where he is responsible for IMS-based IPTV standardization strategies and is closely involved in Ericsson's business and product strategies. Prior to this he worked in a variety of standardization areas, such as Intelligent Networks, IMT-2000, UMTS, IMS and PacketCable. He has also participated in several standardization bodies, such as ITU-T, 3GPP, TTC, CCSA, CableLabs, and ETSI. Before joining Ericsson in 1993, Yun Chao worked as a system analyst for cross-connect switches and as a research assistant at the technical University of Eindhoven (Netherlands).

 

Ignacio Más Ivars joined Ericsson Research in 2005 to work with service layer technologies. He has a Master of Science degree in telecommunication engineering from Universidad Politecnica de Madrid (Spain) and a Technology Licentiate degree from the Royal Institute of Technology (Sweden). Ignacio has authored and coauthored several papers on admission control and quality of service on the internet as well as IMS and SIP-related technology. His research interests include admission control, quality of service, multimedia transport, signaling, and network security.

 

Roman Levenshteyn is a Senior Researcher who joined Ericsson in 2001 to work with service layer technologies. To date, he has conducted research in the area of XML processing, XML web services, and service creation environments for mobile networks. In 2005, he began working on issues related to service creation and service composition for IMS networks. He holds an M.S. in computer science from Technical University Aachen (Germany).

 

Peter Malm joined Ericsson in 1999 with M.S. and Lic. Eng. degrees from Lund University (Sweden). He has conducted research in EDGE, HSPA, and MBMS, and from 2001 to 2004 he was also Ericsson Mobile Platforms' delegate in 3GPP RAN. In 2004, he accepted a position as Senior Specialist at System Management, EMP, where he worked with the systemization of radio access features - for example, HSPA and GRAKE. At present, Peter serves as Senior Manager, EMP Product Management, BU Multimedia.
 
Sylvain Monette is Senior Specialist in IP/Ethernet broadband system architecture at Ericsson Research. During his 15 years at Ericsson, he has worked in research and development to architect experimental and commercial solutions in the area of fixed and mobile communications. He is currently working in the broadband and transport research group, focusing on system architecture in the fields of optical, IP, and Ethernet broadband connectivity. Sylvain holds a degree in Mathematics from McGill University, Montreal (Canada).

 

Thomas Norén is Director of the LTE-SAE program at Ericsson. He started his career with McKinsey & Co. and has, since joining Ericsson in 1997, held several management positions in development, product management and sales for GSM and WCDMA systems. Thomas holds an M.S. in engineering physics from the Royal Institute of Technology (Sweden) and an MBA from INSEAD.
 
Thomas Näsström joined Ericsson in 1979 and has served in a variety of management positions within product development and product management in Enterprise and service layer/multimedia areas. Between 1984 and 1989 he headed up the Enterprise Customer Engineering department in the US. From 1998 to 1999, as part of the BU Wireless Office, he managed the Mobility Server product development unit in Research Triangle Park, North Carolina. He then returned to Sweden to lead the MD110 product development unit. In 2001, he joined the service layer product management team. Thomas currently works with portfolio development at Multimedia Solutions.

 

Jonathan Olsson joined Ericsson Research in 2004 after receiving an M.S. in computer science from Uppsala University (Sweden). Initially, he worked on various public Ethernet access projects, including the European project called MUSE. During the past year he has represented Ericsson in the Metro Ethernet Forum (MEF). He also serves as editor of the MEF Mobile Backhaul Implementation Agreement.

 

Magnus Olsson is an Expert in system architecture and standardization at Business Unit Networks, System & Technology. He joined Ericsson in 1995 and has worked with the overall mobile network architecture and related standardization. The most prevalent examples are GPRS, UMTS, call and bearer separation, IMS and LTE-SAE. He has also served four years as chairman of 3GPP TSG SA WG 2. Magnus holds an M.S. in applied physics and electrical engineering from the Linköping Institute of Technology (Sweden).

 

Per Pettersson is a software developer specializing in SIP and internet-related applications. Since joining Ericsson, in 1994, he has worked with simulation and test tools within TDMA and IMS systems. For the past six years, he has been involved in SIP container development, and architecture of the SDS development tool. Per is a member of the Expert Group in charge of defining JSR-289 (the new Sip Servlet API) and JSR-309 (the Media Server Control API).

 

Göran Rune is an Expert in mobile systems architecture at Business Unit Networks, System & Technology. He joined Ericsson in 1989 to work with systems design of the GSM BSC. Since then, he has worked with the design of radio access network systems, primarily with architecture, of most digital cellular standards. From 1996 to 1999 he was a product manager at Ericsson in Japan, first for PDC and later for WCDMA. Also, from 1998 to 2001 he was a key member first of the ETSI SMG2 UTRAN Architecture Expert Group and later 3GPP TSG RAN WG3. He holds an M.S. in applied physics and electrical engineering and a Lic. Eng. in solid state physics from the Linköping Institute of Technology (Sweden).

 

Panagiotis Saltsidis holds a Ph.D. in theoretical physics and has worked in string theory in the Department of Applied Mathematics and Theoretical Physics at the University of Cambridge. He started his carrier in Ericsson in 2001 when he joined the Optical Networks Research lab. Since 2005 he represents Ericsson in Ethernet standards in MEF and IEEE 802.1. He is one of the main contributors on all interworking standards in IEEE 802.1 including Connectivity Fault Management and Provider Backbone Bridges and he is the editor of the recently approved PBB-TE project.

 

Attila Takács joined Ericsson Research in 2001 to work in the field of IP-based telecommunications networks, in particular with inter- and intra-domain traffic engineering, cross-layer optimization for media delivery systems. He has also participated in the analysis and development of the RMD (Resource Management in DiffServ) framework. In 2005 he became involved in various IETF-related activities. At present, he works with the standardization of GMPLS extensions for Ethernet PBB-TE. Attila has an M.S. degree in computer science and a post-graduate degree in banking informatics from the Budapest University of Technology and Economics.

 

Olle V. Tidblad joined Ericsson in 1996 to work as a field implementation supervisor for SDH and fiber access solutions. In 1997, he moved to the international carrier Global One to work with ATM and IP communication solutions for the enterprise and ISP segments. In 2000, he returned to Ericsson to join the WCDMA product management team, where he was responsible for the WCDMA RXI product family and transport functionality in WCDMA RBS and RNC. In April 2007, he was appointed Senior Product Manager of BNET IPTV Network Infrastructure, which encompasses end-to-end IPTV network solutions for Broadband Access, Metro Transport, IP Edge and IMS.

 

Mats Ullerstig joined Ericsson in 2000 to work with technical sales support in the former Datacom Networks & IP Services organization. Prior to this he had served numerous years as a system integrator in the datacom industry. He has also worked with technical sales support and as solution architect for IP backbones. In 2002, he moved to broadband to focus on metro aggregation and IP DSLAMs. And since 2004 he has worked with technical product management and system management for broadband and for defining the Public Ethernet. Mats is currently an IP System Architect at Broadband Networks.

 

Phil Winterbottom joined Ericsson in February 2007 as part of the Entrisphere acquisition. As CTO and a co-founder of Entrisphere, he is responsible for the system architecture and detailed engineering design of the company's products. Over the course of his career, his innovative and pragmatic system designs have led to developments of several communications software, access, and switching systems. Before starting Entrisphere, he was the lead architect and engineer for a truly converged network element developed by Lucent Technologies' Internetworking Systems business unit. Before this, while at Bell Labs and Lucent, Phil was a technical principal behind the creation of Inferno®, a network operating system designed to provide information services for the public data networks of the future. He also became a Distinguished Member of Technical Staff and was acknowledged as a Bell Labs Fellow for sustained contributions in distributed computing and converged packet-switching systems.

 

Patrik Wiss is a system manager currently working with issues concerning service layer architecture. Since joining Ericsson, in 1993, he has worked with system and project management in the field of transport, PDC/GSM/UMTS core, IMS, and service layer networks. Prior to this he helped develop a multitude of different applications. Patrik holds an M.S. in applied physics and electrical engineering from the University of Linköping (Sweden).