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Capacity of wideband TDMA digital mobile radio cellular schemes

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1 Author(s)
Matthews, P.A. ; University of Leeds, Department of Electrical & Electronic Engineering, Leeds, UK

Wideband TDMA digital cellular mobile radio schemes can offer a capacity similar to that of analogue modulation schemes. To find the optimum coding to be used a balance must be made between bandwidth, power and number of channels. A comparison is made for an idealised system using QPSK transmission and biorthogonal coding. Coding with a bandwidth expansion of 2.7 is shown to provide a good capacity at low carrier/noise ratio and an acceptable error rate.

Published in:

Electronics Letters  (Volume:21 ,  Issue: 25 )