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Exact Moments of Mutual Information of Jacobi MIMO Channels in High-SNR Regime

Published

Author(s)

Hamid Gharavi

Abstract

In this paper, we propose an analytical framework to derive all positive integer moments of MIMO mutual information in high-SNR regime. The approach is based on efficient use of the underlying matrix integrals of the high-SNR mutual information. As an example, the framework is applied to the study of Jacobi MIMO channel model relevant to fiber optical and interference-limited multiuser MIMO communications. For such a channel model, we obtain explicit expressions for the exact moments of the mutual information in the high-SNR regime. The derived moments are utilized to construct approximations to the corresponding outage probability. Simulation shows the usefulness of the results in a crucial scenario of low outage probability with finite number of antennas.
Proceedings Title
IEEE GLOBECOM 2018
Conference Dates
December 9-13, 2018
Conference Location
Abu Dhabi, -1

Keywords

Multiple-Input-Multiple-Output(MIMO) communications, MIMO channels, outage probability, mutual information.
Created December 10, 2018, Updated April 25, 2019