Abstract
In this paper, the probability of detection formulas along with the corresponding receiver operating characteristic curves are derived for a parallel quadrature receiver structure where the integration times of the component receivers correspond to successive coherence intervals within the signal duration. The results are compared with a single quadrature receiver structure where the integration is performed once over the signal duration. For this analysis, the received signal model is assumed to be piecewise constant with Rayleigh amplitude fluctuations and uniform phase fluctuations. The background noise is white Gaussian with zero mean. For tractability, the signal duration is divided into two equal time intervals with signal correlation characteristics between intervals specified by the correlation coefficient p. The performance curves of the two receivers are compared for p = 0 and p = 1. The results demonstrate that when the two signal‐parts are not correlated (p = 0), the parallel quadrature receiv...
Published Version
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