BER Performance of Transmitter Antenna Selection/Receiver-MRC Over Arbitrarily Correlated Fading Channels

The combined transmitter-antenna-selection/receiver-maximal-ratio-combining (TAS/MRC) scheme has recently been proposed to reduce system cost and retain the advantage of diversity. In this paper, the performance of the TAS/MRC scheme over arbitrarily correlated Nakagami fading channels is analyzed. When the fading parameter of the branches is an integer, an exact closed-form bit error rate (BER) expression is obtained. The obtained exact BER expression contains only very simple functions and is easy to evaluate.