Abstract
This paper investigates the effect of fading correlation on symbol error rate (SER) performance of M-ray phase shift keying (MPSK) with maximal ratio combining (MRC) for a circular antenna array. The performance evaluation uses the known expression for the SER of MPSK in additive white Gaussian noise (AWGN) as the conditional probability, then averages it over the density function for the combined symbol signal-to-noise ratio (SNR). By investigating the SER Performance using the correlation matrix for circular antenna array, we prove that, for circular array, decrease in the radius and number of antennas is equivalent to decrease in signal to noise ratio and increase in SER.
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