It has been shown that quasi orthogonal space time block code (QOSTBC) can achieve high transmission rate with partial diversity. In this paper, a QOSTBC concatenating Bose-Chaudhuri-Hocquenghem (BCH) code structure i...It has been shown that quasi orthogonal space time block code (QOSTBC) can achieve high transmission rate with partial diversity. In this paper, a QOSTBC concatenating Bose-Chaudhuri-Hocquenghem (BCH) code structure is presented. At the receiver, pairwise detection and error correction are first implemented. The decoded data are regrouped. Parallel interference cancellation (PIC) and dual orthogonal space time block code (OSTBC) decoding are deployed to the regrouped data. The pure concatenated scheme is shown to have higher diversity order and better error performance at high signal-to-noise ratio (SNR) scenario than both QOSTBC and OSTBC schemes. The PIC and dual OSTBC decoding algorithm can further obtain approximate 1.2 dB gains than the pure concatenated scheme at 10-6 bit error probability.展开更多
Performance analysis is presented for multiple-input multiple-output （MIMO） relay channels employing transmit antenna diversity with orthogonal space-time block codes （OSTBCs）, where the source and the destination...Performance analysis is presented for multiple-input multiple-output （MIMO） relay channels employing transmit antenna diversity with orthogonal space-time block codes （OSTBCs）, where the source and the destination are equipped with Ns and Nd antennas, and communicate with each other with the help of a multiple-antenna relay operating in decode-and-forward （DF） mode Over independent, not necessarily identical Rayleigh fading channels, exact closed-form symbol error rate （SER） expressions are derived for various digital modulation formats for both the OSTBC transmission with and without the direct link, The moment generating functions （MGFs） for overall system signal-noise ratios （SNRs） are also derived, based on which we present a unified SER analysis. The analysis shows that full spatial diversity order can be achieved for the DF M1MO relay channel by adopting OSTBC transmissions and maximal ratio combining （MRC） receptions. All the analytical results are confirmed through comparison with the results obtained using Mento Carlo simulations.展开更多
基金National Natural Science Foundation of China(No.31003052)Henan University of Technology PhD Fund,China(No.2010BS025)
文摘It has been shown that quasi orthogonal space time block code (QOSTBC) can achieve high transmission rate with partial diversity. In this paper, a QOSTBC concatenating Bose-Chaudhuri-Hocquenghem (BCH) code structure is presented. At the receiver, pairwise detection and error correction are first implemented. The decoded data are regrouped. Parallel interference cancellation (PIC) and dual orthogonal space time block code (OSTBC) decoding are deployed to the regrouped data. The pure concatenated scheme is shown to have higher diversity order and better error performance at high signal-to-noise ratio (SNR) scenario than both QOSTBC and OSTBC schemes. The PIC and dual OSTBC decoding algorithm can further obtain approximate 1.2 dB gains than the pure concatenated scheme at 10-6 bit error probability.
基金supported by the National Basic Research Program of China (2007CB310602)the BUPT Excellent Ph.D. Students Foundation (CX200903)
文摘Performance analysis is presented for multiple-input multiple-output （MIMO） relay channels employing transmit antenna diversity with orthogonal space-time block codes （OSTBCs）, where the source and the destination are equipped with Ns and Nd antennas, and communicate with each other with the help of a multiple-antenna relay operating in decode-and-forward （DF） mode Over independent, not necessarily identical Rayleigh fading channels, exact closed-form symbol error rate （SER） expressions are derived for various digital modulation formats for both the OSTBC transmission with and without the direct link, The moment generating functions （MGFs） for overall system signal-noise ratios （SNRs） are also derived, based on which we present a unified SER analysis. The analysis shows that full spatial diversity order can be achieved for the DF M1MO relay channel by adopting OSTBC transmissions and maximal ratio combining （MRC） receptions. All the analytical results are confirmed through comparison with the results obtained using Mento Carlo simulations.
