Spectral Efficiency of Wireless Systems in Correlated Channels with Receive Antenna Selection

The multiple input-output (MIMO) wireless technology increases data capacity, especially for many transmitting and receiving antennas. The concept of antenna selection is considered a tradeoff between performance and complexity to achieve better performance. First, this work presents three-antenna selection algorithms to maximize channel capacity in correlated MIMO systems with antenna selections. In our scheme, we assume that the receiver picks the best subset antenna for given Rr receive antennas that can guarantee capacity maximization. The receiver has access to the channel state information (CSI), while the transmitter does not. Finally, the simulation outcomes prove that our scheme is practical, accurate, and achieves higher performance than other antenna selection schemes.