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Volume 26 Issue 11
Nov.  2004
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Zheng Xia-yu, Qiu Ling, Zhu Jin-kang. Performance and Implementation of a Space-Time Coded MIMO OFDM System Using Frequency Spread Coding[J]. Journal of Electronics & Information Technology, 2004, 26(11): 1799-1804.
Citation: Zheng Xia-yu, Qiu Ling, Zhu Jin-kang. Performance and Implementation of a Space-Time Coded MIMO OFDM System Using Frequency Spread Coding[J]. Journal of Electronics & Information Technology, 2004, 26(11): 1799-1804.

Performance and Implementation of a Space-Time Coded MIMO OFDM System Using Frequency Spread Coding

  • Received Date: 2003-06-12
  • Rev Recd Date: 2003-12-16
  • Publish Date: 2004-11-19
  • In this paper, a space-time coded MIMO (Multiple-Input Multiple-Output) OFDM (Orthogonal Frequency Diversion Multiplexing) system using frequency spread cod-ing is proposed based on the fact that the fading effects of the transmitted signals on each sub-carrier are different owing to the frequency- selective fading property. The simulation re-sults indicate that the proposed scheme not only effectively exploits the inherent frequency diversity of the frequency-selective channel and maintains the spectrum efficiency of sys-tem, but also has a low complexity and is easy to realize compared to other MIMO OFDM systems.
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  • Thoen S, Perre L V, Engels M, Man H D. Adaptive loading for OFDM/SDMA-based wireless networks[J].IEEE Trans. on Communications.2001, 50(11):1798-1810[2]Foschini G J, Gans M J. On limits of wireless communications in a fading environment when using multiple antennas.[J]. Wireless Personal Communications.1998,6:311-[3]Alamouti S M. A simple transmit diversity technique for wireless communications[J].IEEE Journal on Selected Areas in Communications.1998, 16(8):1451-1458[4]Tarokh V, Jafarkhani H, Calderbank A R. Space-time block coding for wireless communications:performance result[J].IEEE Journal on Selected Areas in Communications.1999, 17(3):451-460[5]BSlcskei H, Paulraj A J. Space-frequency coded MIMO-OFDM with variable multiplexing diversity tradeoff. IEEE Int. Conf. on Communications(ICC), Anchorage, Alaska, May 2003, vol.4:2837-2841.[6]Bolcskei H, Paulraj A J. Space-frequency codes for broadband fading channels. ISIT2001, Washington, DC, June 24-29, 2001: 219.[7]PanYuh Joo, Dae Eop Kang. Novel design of STBC for OFDM/OFDMA using frequency diversity. IEEE 802.16abc-01/59 2001:11[8]Molisch A F, Win M Z, Winters J H. Space-time-frequency(STF)coding for MIMO-OFDM systems[J].IEEE Communications Letters.2002, 6(9):370-372[9]Matsutani H, Nakagawa M. Multi-carrier DS-CDMA using frequency spread coding. IEICE Transactions Fundamentals, 1999, E82-A(12): 2634-2642,[10]Proakis J G. Digital Communications. Fourth edition, New York: McGraw-Hill, 2001, Chapter 14.
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