Capacity of MIMO systems with semicorrelated flat fading

Authors:
P. J. Smith;S. Roy;M. Shafi
Affiliations:
Dept. of Electr. & Comput. Eng., Univ. of Canterbury, Christchurch, New Zealand;-;-
Venue:
IEEE Transactions on Information Theory
Year:
2003

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Abstract

The primary contribution of this work lies in the derivation of the exact characteristic function (and hence, the mean and variance) of the capacity of multiple-input multiple-output (MIMO) systems for semicorrelated flat-fading channels. A Gaussian approximation to the exact capacity results is suggested and evaluated for its accuracy. We show that over a range of correlation levels this approximation is adequate even for moderate numbers of transmit and receive antennas.