Fast antenna subset selection in wireless MIMO systems

Multiple antenna wireless communication systems have recently attracted significant attention due to their higher capacity as compared to the systems that employ a single antenna. For systems with a large number of antennas, there is a strong motivation to develop techniques with reduced hardware and computational costs. An efficient approach to achieve this goal is the optimal antenna subset selection. We propose a fast antenna selection algorithm for wireless multiple-input multiple-output (MIMO) systems. Our algorithm achieves almost the same outage capacity as the optimal selection technique while having a lower computational complexity than existing nearly optimal antenna selection methods.