Abstract

Statistical channel models for small-scale fading are presented for a frequency selective vehicle-to-vehicle or mobile-to-mobile wireless communications link in an expressway environment in Atlanta, Georgia, where both vehicles travel in the same direction. These doubly selective models were developed from measurements taken using the direct sequence spread spectrum (DSSS) technique at 2.45 GHz. The models imply a non-separable channel with a persistent Ricean behavior across multiple model taps. We also explore model dynamics by comparing BER statistics for an overall model that is fit to the entire data set with those of a collection of models, each fit to smaller, non-overlapping intervals

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