Antenna Selection for Full-Duplex MIMO Systems

Abstract

In this paper, we investigate an antenna selection (AS) method for full-duplex multiple-input multiple-output systems, in which antennas at each node can be selected to either transmit or receive. In this configuration, we analyze the average sum rate of the optimal AS scheme which finds the best antenna set solution by examining all the possible candidates. The result provides insight on which transmit and receive antenna configuration improves the average sum rate performance of the AS scheme. From simulation results, we verify that our analysis matches the numerical results, and a sub-optimal AS scheme which chooses an atenna set maximizing the sum rate under the derived antenna configuration provides a near-optimal performance.