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In this paper, we investigate the capacity of multiple-input/multiple-output (MIMO) systems, which is a general Rayleigh/Rayleigh model including spatially correlated channels as well as spatially correlated interferers. Perfect channel information is assumed to be available to the receiver, but the transmitter has no channel information. Based on the theory of matrix variate distribution, we derive exact closed-form expressions of the moment generating function (MGF) of mutual information of MIMO channels with interference. Then we obtain further exact closed-form expressions of the MIMO ergodic capacity with these MGF formulas of mutual information. |
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Keywords:Channel Capacity,Rayleigh-Fading, co-channel Interference |
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