On the validity of the slow and moderate fading models for matched filter detection of Rayleigh fading signals
- 1 October 1992
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in Canadian Journal of Electrical and Computer Engineering
- Vol. 17 (4) , 183-189
- https://doi.org/10.1109/cjece.1992.6592505
Abstract
Published analyses of data transmission on flat fading channels often assume that the pulses arrive without distortion, and that random amplitude and phase are applied on a per-pulse basis. In reality, however, multiplicative distortion in the channel operates over each pulse. If the receiver uses a matched filter, an error floor results even for isolated pulse transmission. The author examines the effect systematically. By obtaining the error floor as a function of fade rate and pulse roll-off, he defines the limits, or `safe zone,' of the distortion-free approximation, which is here termed the moderate fading model. The results should be of interest to those working in modelling and analysis of fast fading channels.Keywords
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