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选择式合并方法在Nakagami信道上的性能分析

Performance analysis of selection diversity in Nakagami fading channel
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摘要 本文根据最大输出电平准则 ,对选择式合并在Nakagami信道上的性能作了比以往理论分析更符合实际的评价 ,导出了误码率的闭式解 ,并与最大信噪比准则时作了比较。结果表明 ,采用最大输出电平准则时系统的性能稍有恶化 ,但实现的复杂度却大为降低。 This paper proceeds an evaluation of selection diversity in Nakagami fading channel according to the principle of maximum output level.Closed form expression of bit error rate is derived and compared with the principle of maximum signal noise ratio.Numerical result shows a slight deterioration but a great reduction of complexity.
出处 《通信学报》 EI CSCD 北大核心 2001年第3期9-12,共4页 Journal on Communications
关键词 选择式合并 NAKAGAMI信道 衰落信道 selection combination Nakagami fading maximum S+N maximum SNR
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参考文献4

  • 1[1]Nakagami M.The m-Distribution-A General Formula of Intensity Dist ributio n of Rapid Fading[M].Statistical Methods in Radio Wave Propagation.New Yor k:Pergamon press,Oxford,U K,1960,3-36.
  • 2[2]DAYYA A A,BEAULIEU N C.Analysis of switched diversity syst ems on gene ralized-fading channels [J].IEEE Trans on Commun,1994,42(11):2959-2966.
  • 3[3]CHOUINARD J Y,et al.Noncoherent diversity reception over Nakag ami fading channels [J].IEEE Trans on Commun,1998,46(8):985-991.
  • 4[4]DAYYA A A,BEAULIEU N C.Micro-and macro-diversity NCFSK(DP SK) on shadowed Nakagami fading channels[J].IEEE Trans on Commun,1994,42(9):2693-2 702.

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