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A scalar MSDD with multiple antenna reception of Differential Space-Time π/2-Shifted BPSK Modulation

Kim Jae-Hyung    (School of Mechatronics Engineering, Changwon National University   ); Hwang Seung-Wook    (Division of Information Technology Engineering, Korea Maritime University   ); Kim Jung-Keun    (Division of Information Technology Engineering, Korea Maritime University   ); Kim Yong-Jae    (School of Mechatronics Engineering, Changwon National University  );
  • 초록

    In this paper, the issue of blind detection of Alamouti-type differential space-time (ST) ${\pi}/2$ -shifted BPSK modulation in static Rayleigh fading channels is considered. We introduce a novel transformation to the received signal from each receiver antenna such that this binary ST modulation, which has a second-order transmit-diversity, is equivalent to QPSK modulation with second-order receive-diversity. The pre-detection combining of the result of transformation allows us to apply a low complexity detection technique specifically designed for receive-diversity, namely, scalar multiple-symbol differential detection (MSDD). With receiver complexity proportional to the observation window length, our receiver can achieve the performance 1.5dB better than that of conventional differential detection ST and 0.5dB worse than that qf a coherent maximum ratio combining receiver (with differential decoding) approximately.


  • 주제어

    MSDD .   Space time modulation.  

  • 참고문헌 (18)

    1. Kim, J. H., Ho, P. K M. and Riediger, M. L. B.(2005), 'Suboptimal Multiple-Symbol Differential Detection of MPSK with Diversity Reception' IEE proceeding on Commun, vol 152, pp. 469-475 
    2. Lampe, L. H. J., Schober, R. and Fischer, R. F. H.(2003), 'Differential space-time modulation - coding and capacity results' in Proc. Int. Conf. Commun., (ICC '03), pp. 2593-2597 
    3. Schober, R. and Lampe, L. H. J.(2002), 'Noncoherent receivers for differential space-time modulation,' IEEE Trans. Commun., vol. 50, pp. 768-777 
    4. Tarokh, V. and Jafarkhani, H.(2000), 'A differential detection scheme for transmit diversity,' IEEE J. Select. Areas Commun., vol. 18, pp. 1169-1174 
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    7. Schober, R. and Lampe, L. H. J.(2002), 'Differential modulation diversity', IEEE Trans. Veh. Technol., vol.51, pp. 1431-1444 
    8. Alamouti, S.(1998), 'A simple transmit diversity technique for wireless communications,' IEEE J. Select. Areas Commun., vol. 16, pp. 1451-1458 
    9. Ho, P. and Fung, D.(1992), 'Error performance of multiple-symbol differential detection of PSK signals transmitted over correlated Rayleigh fading channels,' IEEE Trans. Commun., vol. 40, pp. 1566-1569 
    10. Divsalar, D. and Simon, M. K.(1990), 'Multiple symbol differential detection of MPSK,' IEEE Trans. Commun., vol. 38, pp. 300-308 
    11. Jafarkhani, H. and Tarokh, V.(2001), 'Multiple transmit antenna differential detection from generalized orthogonal designs,' IEEE Trans. Inform. Theory, vol. 47, pp. 2626-2631 
    12. Tarasak, P. and Bhargava, V. K.(2002), 'Reduced complexity multiple symbol differential detection of space-time block code,' in Proc. of the IEEE Wireless Communications and Networking Conference, 2002 (WCNC2002), pp. 505-509 
    13. Michael Riediger, Ho, P. and Kim, J. H (2005), 'A receiver for Differential Space-Time pi/2 shifted BPSK modulation Based on Scalar-MSDD and EM Algorithm', EURASIP Journal on WIreless Commun. and Networking, vol 2005, No.2 
    14. Lao, D. and Haimovich, A. M.,(2003), 'Multiple symbol differential detection with interference suppression,' IEEE Trans. Commun., vo1.51, pp.208-217 
    15. Hughes, B. (2000), 'Differential space-time modulation,' IEEE Trans. Inform. Theory, vol. 46, pp. 2567-2578 
    16. Lampe, L. H. J., Schober, R. and Fischer, R. F. H(2003), 'Coded differential space-time modulation for flat fading channels', IEEE Trans. Wireless Commun., vol. 2, pp. 582-590 
    17. Simon, M. K. and Alouini, M. S.(2001), 'Multiple symbol differential detection with diversity reception,' IEEE Trans. Commun., vol. 49, pp. 1312-1319 
    18. Tarokh, V., Jafarkhani, H. and Calderbank, A. R. (1999), 'Space-time block codes from orthogonal designs' IEEE Trans. Inform. Theory, vol. 45, pp. 1456-1467 

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