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We propose the improvement method of MIMO channel capacity using block-wise controlled transmit-array antenna for the environment suffering from the key-hole effect. Though individual control of all elements in the transmit-array may yields the maximum channel capacity, it will cause high complexity in hardware and control algorithm. In this method, the transmit-array is divided into partitioned sub-arrays,...
When the number of propagation paths is limited, channel capacity is decreased by a key hole effect in Multiple-Input Multiple-Output (MIMO) systems [1]. Recently, the studies on the reflect-array which reflect radio wave in a specific direction, have been pursued for improving MIMO channel capacity [2]–[3]. In this paper we propose improvement method of MIMO channel capacity using tunable transmit-array...
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