Estimating wideband bit error rates using pilot tone envelope fading statistics

AR Nix, HR Anderson, JP McGeehan

Research output: Contribution to conferenceConference Abstract

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In this paper a number of techniques are investigated for predicting the performance of a digital system in fading channels. A method is presented which combines both bit error rate simulation and site-specific channel characterisation using ray tracing techniques. Probability density functions are developed for the resulting signal variations which show instantaneous bit error rate versus fade depth. Using this approach, the irreducible error rate for both random FM and RMS delay spread have been determined for π/4DQPSK. It is shown that RMS delay spread alone cannot fully represent the distorting effect of the wideband channel. However, if combined with narrowband fading statistics, it becomes possible to estimate the average bit error rate for a given propagation environment. To increase the speed of our fading simulations, an importance sampling approach has also been developed which yields results that are comparable to those generated from full simulations
Original languageEnglish
Pages577 - 582
Publication statusPublished - Sep 1993

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Terms of use: Copyright © 1993IEEE. Reprinted from Proceeding of IEEE 4th International Symposium on Personal, Indoor and Mobile Radio. This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of the University of Bristol's products or services. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution must be obtained from the IEEE by writing to

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Name of Conference: 4th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC)
Venue of Conference: Yokohama, Japan


  • bit error rates
  • mobile radio

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