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This paper reports the performance of Block Diagonalization (BD) scheme for different array antenna structures used in a multiuser Multiple Input Multiple Output (MIMO) system. The assessment is performed in terms of sum rate capacity. Theoretical analysis as well as computer simulations shows that the spatial correlation downgrades downlink performance of BD. The simulations also reveal that the...
This paper reports on the capacity of a MIMO system operating in a multi-access scenario. The investigations take into account co-channel interference as well as spatial correlation and mutual coupling (MC) present in array antennas. A closed-form expression for the upper bound of the mutual information is presented. An optimal signal transmission scheme is proposed to maximize the MIMO capacity....
The paper reports on the performances of training-based channel estimation methods in a multiple input multiple output (MIMO) communication system with transmitter equipped with a uniform linear array (ULA) and receiver equipped with either uniform circular array (UCA) or uniform linear array (ULA). In the undertaken investigations, the receiver is assumed to be free from any obstacles while the transmitter...
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