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天线分集技术 被引量:2

Technology of Space Diversity
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摘要 在无线通信中,受多径干扰的影响,传输信号有较大的失真。采用空间分集技术,通过使用多发送天线和多接收天线系统(MIMO系统),可以从一定程度上保证传输信号的质量。空时编码技术从编码的角度,为空间分集技术提供了发送信号的策略。 The wireless channel suffers from attenuation due to multipaths in the pr opagating media.With the introduc-tion of space diversity,by using mul ti -sending antennas and multi -receiving antennas system(MIMO),we can improve the quality of the signals.Space -time c odes provides a strategy to send sign als.
机构地区 上海交通大学
出处 《通信技术》 2003年第4期56-57,共2页 Communications Technology
关键词 天线分集 MIMO系统 空时Trellis码 空时分组码 space diversity,MIMO system,space-time Trellis codes,space -time blo ck codes
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参考文献4

  • 1[1]Tellatar. Capacity of multi - antenna gaussian channels. AT&T - Bell Labs, Internal Tech Memo, June 1995
  • 2[2]Wittneben A. A new bandwidth efficient transmit antenna modulation diversity scheme for linear digital modulation. In Proc. IEEE' ICC,1993:1630 ~ 1634
  • 3[3]Tarokh V, Seshadri N, Calderbark A R. Space - time codes for high date rate wireless communication - Performance criteria and code construction. IEEE Trans. Info. Theory, 1998; 44(2): 744 ~ 765
  • 4[4]Tarokh V, Jafarkhan H, Calderbank A R. Space -time block codes from orthogonal designs. IEEE Trans. Info Theory, 1999;45(5):1456 ~ 1467

同被引文献9

  • 1李光球.Nakagami衰落信道上组合SC/MRC的性能分析[J].电波科学学报,2007,22(2):187-190. 被引量:16
  • 2HYUNDONG S,WIN M Z.Gallager's exponent for MIMO channels:a reliability-rate tradeoff[J].IEEE Transactions on Communications,2009,57(4):972-985.
  • 3ZHANG Y,XUE J,RATNARAJAH T,et al.Error exponents analysis of dual-hopη-μandκ-μfading channel with amplify-and-forward relaying[J].IET Communications,2015,9(11):1367-1379.
  • 4SARKAR M Z I,SHIN H,WIN M Z.Random coding exponent for MIMO channels[C]//IEEE Vehicular Technology Conference(VTC’08 Spring),May 11-14,2008,Singapore.New Jersey:IEEE Press,2008:559-563.
  • 5JIANG X,SARKAR M Z I,RATNARAJAH T,et al.Error exponents for Rayleigh fading product MIMO channels[C]//2012IEEE International Symposium on Information Theory,July 1-6,2012,Cambridge,MA,England.New Jersey:IEEE Press,2012:2166-2170.
  • 6JIANG X,SARKAR M Z I,RATNARAJAH T.Random coding error exponent for OSTBC Nakagami-m fading MIMO channel[C]//IEEE Vehicular Technology Conference,May 15-18,2011,Yokohama,Japan.New Jersey:IEEE Press,2011:1-5.
  • 7TORABI M,AISSA S,SOLEYMANI M R.On the BER performance of space-frequency block coded OFDM systems in fading MIMO channels[J].IEEE Transactions Wireless Communications,2007,6(4):1366-1373.
  • 8MOHAMED S A,ANDREA J G.Capacity of Rayleigh fading channels under different adaptive transmission and diversity-combining techniques[J].IEEE Transactions on Vehicular Technology,1999,48(4):1165-1181.
  • 9JIANG X,SARKAR M Z I,RATNARAJAH T.Error exponents for Nakagami-m fading MIMO channels[J].IEEE transactions on Wireless Communications,2012,50(2):85-89.

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