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Optimum data rate in cellular systems

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Author

Summary, in English

The spectrum efficiency in a cellular radio system is affected by the data rates used in the system. High data rates may result in low spectrum efficiency if the frequency reuse is low. The spectrum efficiency may be enhanced by using adaptive modulation with carefully chosen data rates. We present an analytical method, based on a lower bound on the BER, for finding the best data rates. The method results in the best code rates to be used with QPSK, 8-PSK, and 16-QAM in an adaptive fashion. The general conclusion is that a large number of carefully chosen data rates enhances the spectrum efficiency

Publishing year

1999

Language

English

Pages

1856-1860

Publication/Series

Proc. IEEE Vehicular Technology Conference

Volume

3

Document type

Conference paper

Publisher

IEEE - Institute of Electrical and Electronics Engineers Inc.

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Conference name

IEEE Vehicular Technology Conference, 1999

Conference date

1999-05-16 - 1999-05-20

Conference place

Houston, TX, United States

Status

Published

Research group

  • Radio Systems

ISBN/ISSN/Other

  • ISBN: 0-7803-5565-2