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Overview of UMTS: Evolution of Mobile Telecommunications from 1G to 3G

This document provides an insightful overview of the Universal Mobile Telecommunications System (UMTS), showcasing its evolution from 1G to 3G. With over 450 million subscribers across 140 countries and 400 networks, UMTS represents a significant advancement in mobile technology. It discusses the advancements in transmission rates, the role of various organizations such as 3GPP, as well as the benefits of UMTS architecture, including higher bitrates and enhanced services for mobile users. The text highlights the efficient capabilities of UMTS in handling high traffic capacity.

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Overview of UMTS: Evolution of Mobile Telecommunications from 1G to 3G

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  1. UMTS Universal Mobile Telecommunication System Wang Junxi E-Business BCM

  2. Agenda

  3. Introduction: 1G to 3G 450 million subscribers 140 countries 400 networks ~20 million subscribers < 1 million subscribers 1950s 1990s 1995 1940s 1999 1980s cellular systems UMTS TD-SCDMA US GSM GPRS EDGE 2.5G Europe 2G 3G 2.75G 1G GSM900 GSM1800 GSM1900 IMT-2000 3

  4. Transmission Rate Improvement

  5. Standards

  6. UMTS Organizations 3GPP(Third-Generation Partnership Project) • SDOs.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).

  7. UMTS Network Architecture

  8. Benefit

  9. Benefit-Web Services • 3G will offer transparent HTML access in addition to cHTML, xHTML Various Microbrowsers for handhelds, PDAs and portable computers will be available. • Higher Bitrates: HSDPA = 10 Mbps (ITU-R update M.1457) • Java Download

  10. End-to-end harmonised 3G portalservices for mobile users

  11. Conclusion UMTS is the most efficient of all the 3G technologies. UMTS network high traffic capacity. Faster, Larger

  12. References Peter Rysavy , Voice Capacity Enhancements for GSM Evolution to UMTS http://www.iec.org/online/tutorials/umts/index.asp http://en.wikipedia.org/wiki/Universal_Mobile_Telecommunications_System http://www.umtsworld.com/technology/overview.htm#a3

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