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一種基于空時(shí)分組編碼的MIMO-SC/FDE系統(tǒng)的接收空間分集方案

徐信,  蔡躍明,  盛雁鳴,  徐友云

徐信, 蔡躍明, 盛雁鳴, 徐友云. 一種基于空時(shí)分組編碼的MIMO-SC/FDE系統(tǒng)的接收空間分集方案[J]. 電子與信息學(xué)報(bào), 2006, 28(11): 2068-2072.
引用本文: 徐信, 蔡躍明, 盛雁鳴, 徐友云. 一種基于空時(shí)分組編碼的MIMO-SC/FDE系統(tǒng)的接收空間分集方案[J]. 電子與信息學(xué)報(bào), 2006, 28(11): 2068-2072.
Xu Xin, Cai Yue-ming, Sheng Yan-ming, Xu You-yun. A Receive Space Diversity Scheme for MIMO-SC/FDE Systems Based on Space-Time Block Coding[J]. Journal of Electronics & Information Technology, 2006, 28(11): 2068-2072.
Citation: Xu Xin, Cai Yue-ming, Sheng Yan-ming, Xu You-yun. A Receive Space Diversity Scheme for MIMO-SC/FDE Systems Based on Space-Time Block Coding[J]. Journal of Electronics & Information Technology, 2006, 28(11): 2068-2072.

一種基于空時(shí)分組編碼的MIMO-SC/FDE系統(tǒng)的接收空間分集方案

A Receive Space Diversity Scheme for MIMO-SC/FDE Systems Based on Space-Time Block Coding

  • 摘要: 該文提出了一種基于空時(shí)分組編碼的多輸入多輸出頻域均衡單載波分組傳輸(MIMO-SC/FDE)系統(tǒng)的空間分集接收方案，通過在Huang(2004)提出的分集結(jié)構(gòu)中引入使用空時(shí)分組編碼的發(fā)射分集，彌補(bǔ)了因減少DFT塊數(shù)目而造成的性能損失，同時(shí)在接收端進(jìn)一步減少了IDFT塊的數(shù)目；通過適當(dāng)設(shè)計(jì)空時(shí)分組編碼，還可以進(jìn)一步提高數(shù)據(jù)傳輸速率。該文詳細(xì)推導(dǎo)了使用空時(shí)分組編碼后的處理過程，并對使用空時(shí)編碼后的MIMO-SC/FDE系統(tǒng)和相應(yīng)的MIMO-OFDM系統(tǒng)性能進(jìn)行了仿真比較。仿真結(jié)果表明，MIMO-SC/FDE系統(tǒng)的性能從總體上優(yōu)于MIMO-OFDM系統(tǒng)。
    Abstract: This paper proposes a receive space diversity scheme based on space-time block coding for Single-Carrier block transmission system employing Frequency Domain Equalization (SC/FDE), which can remedy the Huangs (2004) system performance degradation, and can also reduce the number of IDFT blocks. It can further increase data transmission rate through properly designing the space-time codes. A detailed procession for SC/FDE systems using space-time block coding is given, and the performances between the proposed SC/FDE-MIMO system and the MIMO-OFDM system are compared; effective benefits can be shown in the simulations.
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  • Huang Defeng (David), Letaief K B, Lu Jianhua. A receive space diversity architecture for OFDM systems using orthogonal designs[J].IEEE Trans. on Wireless Commun.2004, 3(3):992-1001[2]Gusmao A, Dinis R, Esteves N. On frequency-domain equalization and diversity combining for broadband wireless communications[J].IEEE Trans. on Commun.2003, 51(7):1029-1033[3]Oppenheim A V, Willsky A S, Nawab H. Signal and Systems. Englewood Cliffs, NJ: Prentice-Hall, 1997.[4]Tarokh V, Jafarkhani H, and Calderbank A R. Space-time block codes from orthogonal designs[J].IEEE Trans. on Inform. Theory.1999, 45(7):1456-1467[5]Alamouti S M. A simple transmit diversity technique for wireless communications[J].IEEE J. Select. Areas Commun.1998, 16(10):1451-1458[6]Hassibi B and Hochwald B M. High-rate codes that are linear in space and time[J].IEEE Trans. on Inform. Theory.2002, 48(7):1804-1823
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出版歷程
  • 收稿日期:  2005-01-10
  • 修回日期:  2006-04-28
  • 刊出日期:  2006-11-19

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