Abstract
In this paper, we analyze the average symbol error rate performance of arbitrary two dimensional signal constellations in conjunction with both open-loop and close-loop transmit diversity schemes in a generalized fading environment (including Rayleigh, Nakagami-m, Rician and mixed multipath fading environments). The mathematical framework can treat the case of non-identical fading parameters and dissimilar mean signal strengths across the diversity paths. We also present an analysis of the impact of spatial correlation on the performance of various transmit diversity schemes over Nakagami multipath fading channels. The impact of imperfect channel estimates (Gaussian errors) on various transmit diversity schemes in Rayleigh fading environment is also studied via analytical as well as simulation techniques.
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