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UMTS and Third Generation Networks

  • Pierre Lescuyer
Part of the Computer Communications and Networks book series (CCN)

Abstract

for some years now, cellular telephony systems have been experiencing a level of growth unprecedented in the world of telecommunications. When the first cellular technologies were brought into service, at the beginning of the 1990s, we saw a rather slow take-off in the curve of subscriber numbers, hardly presaging the subsequent spectacular growth. At the beginning of 2001, there were some 450 million GSM subscribers in the world (including more than 40 million in the UK) Figure 1.1). So-called second generation wireless technologies as a whole (GSM, IS-95, AMPS, PDC, PHS) serve a total of more than 600 million subscribers.

Keywords

Generation Network Short Message Service Core Network Transmission Error Time Division Duplex 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag London 2004

Authors and Affiliations

  • Pierre Lescuyer
    • 1
  1. 1.Nortel NetworksParc D’activité de Magny ChateaufortChateaufort, Yvelines Cedex 9France

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