ericssonhistory.com

ContributorsIn this issueGertie Alsenmyr joined Ericsson in 1995,working with standardization and systemdesign of the radio access network and corenetwork for GSM/GPRS. Since 2000, shehas been working with system design of theWCDMA radio access network. Beforejoining Ericsson she worked at Telia Mobilewith the standardization of GSM, andwith field tests of the GSM system. Sheholds an M.S. in electrical engineering fromthe Linkoping Institute of Technology,Sweden.gertie.alsenmyr@era.ericsson.seJoakim Bergstrom joined Ericsson Researchin 1998 to work with WCDMA. Hecurrently serves as the technical coordinatorofEricsson'sactivitiesin3GPPRANWG2,which is in charge of standardizingWCDMA radio layers 2 and 3. He holds anM.S. in electrical engineering from theRoyal Institute of Technology in Stockholm,Sweden.joakim.bergstrom@ecs.ericsson.seAnders Eriksson is a systems manager forPDU Network Databases and value-addedSolutions at Ericsson's Core Unit ServiceNetwork and Applications. He joinedEricsson in 1998, to work with the systemarchitecture for Ericsson's e-Services products.In 2000, he joined CSNA and has beenengaged in the development of the architectureof the service network framework.He holds an M.S. in computer science fromthe Lulea University of Technology,Sweden,anders.c.eriksson ©era.ericsson.seAke Gustafsson is systems manager atPDU Messaging and Enablers at Ericsson'sCore Unit Service Network and Applications.He joined Ericsson in 1986 as a softwaredeveloper for AXB-30. Since 1990,Ake Gustafsson has worked as System Managerwith different IP-based messaging systems—forexample, System-T for paging,MXE for voice mail and SMS, MoIP for unifiedmessaging, and IMPS for instant messaging.After five years at Ericsson MessagingSystems in New York, USA, he returnedto Sweden to begin defining the architectureof the service network framework.ake.gustafsson@eip.ericsson.seMattias Hagberg joined Ericsson in 1997.Since 1999, he has worked with the BSS, developingmobility between GSM andWCDMA. He holds an M.S.E.E degree fromthe Royal Institute of Technology, Stockholm.mattias.hagberg@era.ericsson.seFranz Heiser currently works as system engineerat Ericsson AB in Kista, Sweden.Since joining Ericsson, in 1998, he has,among other things, worked as technical coordinator,project manager, senior specialistand system node area manager of basebandsystem design for Ericsson's WCDMAbase stations. Franz studied physics at theTechnical University of Berlin, Germany,and holds a doctorate degree in engineering(Dr.-Ing.) from the same University.franz.x.heiser@era.ericsson.seJohan Hjelm joined Ericsson Research in1997. In 2001, he was appointed senior specialist,Internet information services andprotocol design. From 1997 to 2000 heserved as Ericsson's representative in W3C,and at present he is active in the Open MobileAlliance. Johan is also an active writerand author of more than ten books. He hasstudied economics at Uppsala Universityand holds a degree in journalism from PoppiusSchool of Journalism.johan.hjelm@era.ericsson.seAndy Johnston is a master designer currentlyworking as chief architect of the servicenetwork framework at the systems managementand technology unit of Ericsson'sCore Unit Service Network and Applications.Andy has been with Ericsson since1995 working in a number of technical andtechnical management positions. Prior tojoining Ericsson, he was the chief developerof the widely used CAMPUS® Database& CAE system. He has a degree in appliedcomputer science from Dublin City University,Ireland and is an active member ofthe IEEE and ACM organizations.andrew.johnston@eip.ericsson.seChamath Kodituwakku joined Ericsson in1997 to serve as a systems consultant, integratingBSS solutions into legacy systemsfor GSM networks, formulating solutionsfor BSS, billing, and O&M, and integratingCRM systems and core networks. From1998 to 1999 he worked with GPRS-STP,IP backbone design, and verification. Andfrom 2000 to 2001, he served as a mangerof global Mobile Internet solutions. He iscurrently a solution architect of servicelayer solutions, integrating service layer2 Ericsson Review No. 1, 2003