Performance of MMSE MIMO Receivers: A Large N Analysis for Correlated Channels

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Executive Summary

Linear receivers are considered as an attractive low-complexity alternative to optimal processing for multi-antenna MIMO communications. In this paper, the authors characterize the performance of MMSE MIMO receivers in the limit of large antenna numbers in the presence of channel correlations. Using a different approach, they generalize their results obtained in to correlated channels showing that the mutual information converges in distribution to a Gaussian random variable whose mean and variance can be characterized analytically.

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