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Coven In September 2002, Ericsson wasfirst to demonstrate live dual-modeWCDMA/GSM calls with seamlesshandover between the two modes. TheSony Ericsson test units employed in thedemonstration were based on thecommercial platform developed byEricsson Mobile Platforms. In March,Sony Ericsson unveiled the Z1010, whichis the company's first commercial 3Gphone based on this same platform.
EricssonREVIEWTHE TELECOMMUNICATIONSTECHNOLOGY JOURNALThe purpose of Ericsson Review is toreport on the research, development andproduction achievements made in telecommunicationstechnology at Ericsson.The journal is distributed to readers inmore than 130 countries.Address:Telefonaktiebolaget LM EricssonSE-126 25 Stockholm, SwedenPhone: +46 8 719 00 00Fax: +46 8 681 27 10Internet:http://www.ericsson.com/reviewContentsNew subscriptions:http://www.ericsson.com/reviewAddress changes and distribution:Phone: +46 8 799 63 28Fax: +46 8 28 59 74ER @pressdata.seAddress: PressDataBox 3263SE-103 65 Stockholm, SwedenPublisher: Jan UddenfeldtEditorial board: Per O. Andersson, FredrikDahlgren, Thomas C. Eriksson, UrbanFjellstad, Magnus Frodigh, Jan Gabrielsson,Lars-Goran Hansson, Peter Lancia,Magnus Madfors, Eric Peterson, HelenaSchytt, Ulf Westin, Johan AkessonEditor: Eric PetersonProduction manager: Eva Karlsteineva.karlstein@lme.ericsson.seLayout: Paues Media, StockholmIllustrations: Claes-Goran Andersson, HaraPrinter: JMS Rulloffset i Koping ABISSN: 0014-0171Volume: 80, 2003© Telefonaktiebolaget LM EricssonHandover between WCDMA and GSMHandover between WCDMA and GSM allows the GSM network to be used to givefallback coverage for WCDMA technology. This means that subscribers can experienceseamless service, which is of importance to the commercial launches in 2003.6OMA—Changing the mobile standards gameThe role of the OMA in the value chain is meant to differ from that of previousstandards organizations. Its approach focuses mainly on interoperating services insteadof protocol stacks. The idea is to offer enabling technologies for deliveringrelevant, end-to-end, high-performance services. 12The service network framework—An architecturalblueprint for the service networkThe emergence of the Mobile Internet has focused special attention on the servicenetwork, which is where network operators can expect to develop, launch and billfor new services in a streamlined way. 18Realizing the operator's service network: Ericsson'ssystems integrationEricsson's systems integration gives operators the means of evolving their servicenetworks, enabling them to realize the true potential of the service network andmove toward fully third-generation-ready networks. 26Advanced baseband technology in third-generationradio base stationsBeing the kernel in WCDMA, the baseband platform must be able to efficientlyhandle the entire life cycle of an RBS. Moreover, it must do so while networks areevolving and expanding. New radio network functions and features will also beadded through base station hardware and software to perfect the WCDMA system.32Ericsson Review No. 1, 2003 1
Page 1: Ericsson 1/2003REVIEWTHE TELECOMMUN
Page 5 and 6: systems built from Ericsson's produ
Page 7: EditorialEric PetersonSince joining
Page 10 and 11: Figure 3Interoperability of mobile
Page 12 and 13: Figure 7Handover from GSM to WCDMA.
Page 14 and 15: OMA—Changing the mobile standards
Page 16 and 17: Figure 3The OMA enables wireless co
Page 18 and 19: instance, the WAP Forum created mob
Page 20 and 21: The service network framework—An
Page 22 and 23: Figure 3Architectural views of the
Page 24 and 25: Figure 7SNF system type view.Sysfem
Page 26 and 27: Figure 9High-availability deploymen
Page 28 and 29: Realizing the operator's service ne
Page 30 and 31: Figure 3Consultative approach to me
Page 32 and 33: Figure 4MMS integration interfaces.
Page 34 and 35: Advanced baseband technology in thi
Page 36 and 37: channels. A channel element is defi
Page 38 and 39: Figure 6Backward hardware compatibi
Page 40 and 41: Figure 9TX board of the RBS3000 ser
Page 42 and 43: Figure 11RAX board implementation.
Page 44: Previous issuesNo. 3, 2002Packet da

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