TRANSMIT / RECEIVE ANTENNA SELECTION FOR MIMO SYSTEMS TO IMPROVE ERROR PERFORMANCE OF LINEAR RECEIVERS

Recent work has shown that multiple antenna transceivers can be used to enhance the data-rates and coverage of wireless links as compared to single antenna transceivers. However, using multiple antennas requires costly hardware and is computationally intensive. Antenna selection could be done at the transmitter and/or the receiver to overcome these disadvantages while incurring minimal loss in performance. Considerable work has been done to provide the solution for antenna selection that maximizes channel capacity. However, for finite complexity receivers this solution is not optimal. In this paper, we present optimal antenna selection solutions to minimize the error rates of linear receivers. Several greedy algorithms are developed to improve the error performance of linear receivers. The proposed algorithms have low implementation complexity and offer near optimal error performance.

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