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Introduction

TDMA versus CDMA
  • Savo G. Glisic
  • Pentti A. Leppänen
Chapter

Abstract

In Time Division Multiple Access (TDMA), within a given time frame a particular user is allowed to transmit within a given time slot. This technique is used in most of the second-generation digital mobile communication systems. In Europe the system is known as GSM, in USA as DAMPS and in Japan as MPT. In Code Division Multiple Access (CDMA) every user is using a distinct code so that it can occupy the same frequency bandwidth at the same time with other users and still can be separated on the basis of low correlation between the codes. These systems like IS-95 in USA are also developed and standardized within the second generation of the mobile communication systems. CDMA systems within a cellular network can provide higher capacity [1–28] and for this reason they become more and more attractive. In the process of defining the third generation of mobile communication systems TDMA and CDMA still remain the major rival multiple access techniques. This applies for both, land and satellite communications.

Keywords

Code Division Multiple Access Time Division Multiple Access Code Division Multiple Access System Wideband Code Division Multiple Access Soft Handoff 
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 Science+Business Media Dordrecht 1997

Authors and Affiliations

  • Savo G. Glisic
  • Pentti A. Leppänen

There are no affiliations available

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