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In this paper, the authors propose a novel Multiple-Input Multiple-Output (MIMO) wireless communication system employing reconfigurable PIXEL antennas at the receiver. They design a Space-Time-State Block Coding scheme for the PIXEL-based reconfigurable MIMO system and propose optimal and ad hoc state-selection algorithms that achieve maximum diversity gains. Moreover, they prove that in state-selection schemes, contrary to antenna selection, there is no benefit in selecting more than one state. Furthermore, they discuss the gains of state-selection over the state-switching scheme proposed.
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