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一種基于矩陣旋轉(zhuǎn)的正交空時(shí)分組碼

王磊 朱世華 王君

王磊, 朱世華, 王君. 一種基于矩陣旋轉(zhuǎn)的正交空時(shí)分組碼[J]. 電子與信息學(xué)報(bào), 2005, 27(3): 397-401.
引用本文: 王磊, 朱世華, 王君. 一種基于矩陣旋轉(zhuǎn)的正交空時(shí)分組碼[J]. 電子與信息學(xué)報(bào), 2005, 27(3): 397-401.
Wang Lei, Zhu Shi-hua, Wang Jun . An Orthogonal Space-Time Block Code Based on Matrix Rotation[J]. Journal of Electronics & Information Technology, 2005, 27(3): 397-401.
Citation: Wang Lei, Zhu Shi-hua, Wang Jun . An Orthogonal Space-Time Block Code Based on Matrix Rotation[J]. Journal of Electronics & Information Technology, 2005, 27(3): 397-401.

一種基于矩陣旋轉(zhuǎn)的正交空時(shí)分組碼

An Orthogonal Space-Time Block Code Based on Matrix Rotation

  • 摘要: Tarokh等人(1999)運(yùn)用正交設(shè)計(jì)理論證明了當(dāng)發(fā)射天線數(shù)大于2時(shí),不存在可以獲得最大分集增益和最大傳輸速率的復(fù)正交空時(shí)分組碼。而以犧牲正交性和部分分集增益為代價(jià)來(lái)獲得更高傳輸速率的非正交空時(shí)分組碼又會(huì)使誤碼性能降低。該文通過(guò)對(duì)非正交空時(shí)分組碼信道相關(guān)矩陣采用矩陣旋轉(zhuǎn)的方法,提出了一種可以獲得最大傳輸速率、部分分集增益以及接收端線性解碼的正交空時(shí)分組碼。仿真結(jié)果表明,該方案與已有典型的空時(shí)分組碼相比,具有較好的誤碼性能。
  • Tarokh V, Seshadri N, Calderbank A R. Space-time codes for high data rate wireless communication: Performance analysis and code construction[J].IEEE Trans. on Info. Theory.1998, 44(2):744-765[2]Alamouti S M. A simple transmitter diversity scheme for wireless communications[J].IEEE J. on Select. Areas Comm.1998, 16(8):1451-[3]Tarokh V, Jafarkhani H, Calderbank A R. Space-time block codes from orthogonal designs[J].IEEE Trans. on Info. Theory.1999,45(5):1456-[4]Tarokh V, Jafarkhani H, Calderbank A R. Space-time block coding for wireless communications: Performance results[J].IEEE J.on Select. Areas Comm.1999, 17(3):451-[5]Tirkkonen O, Boariu A, Hottinen A. Minimal non-orthogonality rate 1 space-time block code for 3+Tx[J].International Symposium on Spread Spectrum Techniques Applications, New Jersey,USA, Sept.2000, 2:429-[6]Jafarkhani H. A quasi-orthogonal space-time block code[J].IEEE Trans. on Comm.2001, 49(1):1-[7]Boariu A, Ionescu D M. A class of nonorthogonal rate-one space-time block codes with controlled interference[J].IEEE Trans.on Wireless Comm.2003, 2(2):270-[8]Papadias C B, Foschini G J. A space-time coding approach for systems employing four transmit antennas. IEEE International Conference on Acoustics, Speech and Signal Processing, Salt Lake City, Utah, USA, May 2001, 4:2481 - 2484.[9]Rouquette S, Merigeault S, Gosse K. Orthogonal full diversity space-time block coding based on transmit channel state information for 4 Tx antennas. IEEE International Conference on Communications, New York City, USA, May 2002, 1:558- 562.[10]張賢達(dá).信號(hào)處理中的線性代數(shù).北京:科學(xué)出版社,1997:64.
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  • 收稿日期:  2003-10-09
  • 修回日期:  2004-04-26
  • 刊出日期:  2005-03-19

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