Abstract:
Using the theory of lattices of non-crossing partitions, an explicit expression for the moments and free cumulants of the asymptotic distribution of certain infinite random matrices is obtained and extended to several cases. From the explicit expression, we give a self-contained proof of the Tse-Hanly formula for the output signal-to-interference-plus-noise ratio of MMSE multiuser detector. We use the moment results to design an asymptotic reduced-rank linear multiuser detector. Also we apply these results to analyze linear-conjugate MMSE receivers and multiple antenna receivers.
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