SK

Wang JunxiUniversal Mobile Telecommunication System UMTS E-Business BCM1Agenda

Introduction: 1G to 3G3199919951990s1980s1940sUS1950sEurope

< 1 million subscriberscellular systems~20 million subscribersGSM1G2GGSM900 GSM1800GSM1900450 million subscribers 140 countries 400 networks2.5GGPRSEDGE

3GUMTSTD-SCDMAIMT-20002.75Gsystems were severely constrained by restricted mobility, low capacity, limited service, and poor speech quality3Transmission Rate Improvement

Standards53GPP(Third-Generation Partnership Project)UMTS OrganizationsSDOs.TSI (Europe),

Association of Radio Industries and Business/Telecommunication Technology Committee (ARIB/TTC) (Japan),

American National Standards Institute (ANSI) T-1 (USA),

telecommunications technology association (TTA) (South Korea),Chinese Wireless Telecommunication Standard (CWTS) (China). UMTS Network ArchitectureBenefit

Benefit-Web Services 3G will offer transparent HTML access in additionto cHTML, xHTMLVarious Microbrowsers for handhelds, PDAs andportable computers will be available.

Higher Bitrates: HSDPA = 10 Mbps (ITU-R updateM.1457)

Java DownloadEnd-to-end harmonised 3G portalservices for mobile users

ConclusionUMTS is the most efficient of all the 3G technologies.

UMTS network high traffic capacity.Faster, LargerReferencesPeter Rysavy , Voice Capacity Enhancements for GSM Evolution to UMTShttp://www.iec.org/online/tutorials/umts/index.asphttp://en.wikipedia.org/wiki/Universal_Mobile_Telecommunications_Systemhttp://www.umtsworld.com/technology/overview.htm#a3

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