Further Investigation of Impact of Fading Correlation on Joint Transmit-Receive Diversity

In this paper, we derive the cumulative distribution function (CDF) of channel capacity achievable by suboptimal joint transmit-receive diversity (JTRD) for perfectly correlated and uncorrelated fading cases in a strongly asymmetric MIMO channel. The derived CDF of channel capacity is validated by Monte-Carlo numerical computation. It is confirmed that in a strongly asymmetric MIMO channel, the fading correlation has a favorable impact on suboptimal JTRD based on maximal-ratio diversity (MRD), while it only slightly degrades suboptimal JTRD based on selection diversity (SD). The fading correlation has also a favorable impact on optimal JTRD, which is confirmed by investigating the behavior of eigenmode transmission by using Monte-Carlo numerical computation.