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Diversity Analysis on Transmit Antenna Selection for Spatial Multiplexing Systems With ML Detection
Xianglan Jin,Durkbin Cho IEEE 2013 IEEE Transactions on Vehicular Technology VT Vol.62 No.9
<P>In this paper, we analyze the diversity order of the optimal transmit antenna selection (TAS) for spatial multiplexing (SM) systems with maximum-likelihood (ML) detection. By deriving the upper and lower bounds on the diversity order, we prove that the optimal TAS of selecting L antennas among M transmit antennas in the SM system with M transmit antennas and N receive antennas obtains a diversity order of N(M - L + 1), which coincides with the well-known results of the respective diversity orders MN and N for the special cases when L = 1 and L = M. Monte Carlo simulations confirm our theoretical result.</P>