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任意Nakagami衰落信道下2D-Rake接收机的性能分析

, PP. 9-13

Keywords: DS-CDMA,2D-Rake接收机,Nakagami衰落

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Abstract:

研究了单小区直扩码分多址(DS-CDMA)通信系统在任意Nakagami衰落信道下2D-Rake接收机的性能,推导出误码率的解析表示式。理论分析和数值计算结果表明,2D-Rake接收机获得了独立多径信号较大的空时分集增益,其误码率性能远优于普通的Rake或多天线接收机。系统的用户容量也有显著的提高。

References

[1]  Ramos J, Zoltowski M D, Martinez Ramon M. Space-time optimal combination for DS-SS: the 2D-rake receiver[J]. Proceedings of Spread Spectrum Techniques and Applications, 1998, (3): 951-954.
[2]  Cheol Mun, Myung-Sun Choi, Han-Kyu Park. Performance of 2-D rake receiver in a correlated frequency-selective Nakagami-fading[J]. IEEE Transon VT, 2001,50: 1 312-1 317.
[3]  Efthymoglou George P, Aalo Valentine A, Henry Helmken. Performance analysis of coherent DS-CDMA systems in a Nakagami fading channel with arbitraryparameters[J]. IEEE Trans VT, 1997,46(2):289-297.

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