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Examining the effect of imperfect transmit antenna selection (TAS) caused bythe feedback link errors on the performance of hybrid TAS/space-time blockcoding (STBC) with selection combining (SC) (i.e., joint transmit and receiveantenna selection (TRAS)/STBC) and TAS/STBC (with receive maximal-ratiocombining (MRC)-like combining structure) over Nakagami-m fading channels isthe main objective of this paper. Under ideal channel estimation and delay-freefeedback assumptions, statistical expressions and several performance metricsrelated to the post-processing signal-to-noise ratio (SNR) are derived for aunified system model concerning both joint TRAS/STBC and TAS/STBC schemes.Exact analytical expressions for outage probability and bit/symbol error rates(BER/SER) of binary and M-ary modulations are presented in order to provide anextensive examination on the capacity and error performance of the unifiedsystem that experiences feedback errors. Also, the asymptotic diversity orderanalysis, which shows that the diversity order of the investigated schemes islower bounded by the diversity order provided by STBC transmission itself, isincluded in the paper. Moreover, all theoretical results are validated byperforming Monte Carlo simulations.

Unified Analysis of Transmit Antenna Selection/Space-Time Block Coding  with Receive Selection and Combining over Nakagami-m Fading Channels in the  Presence of Feedback Errors