| Rayleigh衰落信道下编码多进制直接序列扩频通信系统的性能分析 |
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| 引用本文： | 王怡,王华,匡镜明. Rayleigh衰落信道下编码多进制直接序列扩频通信系统的性能分析[J]. 雷达科学与技术, 2004, 2(4): 252-256 |
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| 作者姓名： | 王怡 王华 匡镜明 |
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| 作者单位： | 北京理工大学现代通信实验室,北京,100081;北京理工大学现代通信实验室,北京,100081;北京理工大学现代通信实验室,北京,100081 |
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| 摘 要： | 分析了一种采用RS(n,k)编码的在MSK调制方式下基于循环移位的M进制直接序列扩频通信系统在Rayleigh衰落信道中的性能,给出了准确的误码率公式.通过SPW软件仿真给出了该系统在Rayleigh衰落环境下的性能曲线.仿真得到的误码率与公式推导的结果完全吻合.
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| 关 键 词： | 多进制直接序列扩频 MSK调制 RS编码 仿真 |
| 文章编号： | 1672-2337(2004)04-0252-05 |
| 修稿时间： | 2004-05-16 |
Performance Analysis of a Coded M-nary Direct-Sequence Spread Spectrum Communication System in Rayleigh Fading Channel |
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| WANG Yi,WANG Hua,KUANG Jing-ming. Performance Analysis of a Coded M-nary Direct-Sequence Spread Spectrum Communication System in Rayleigh Fading Channel[J]. Radar Science and Technology, 2004, 2(4): 252-256 |
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| Authors: | WANG Yi WANG Hua KUANG Jing-ming |
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| Abstract: | The performance of a kind of MSK-modulated cyclic s hi ft M-nary direct-sequence spread spectrum communications system that employs R S(n,k) coding in Rayleigh fading environment is analyzed in this paper, and the exact expression of bit error rate (BER) is given. At the same time, the system performance curve is obtained by using the simulation tool SPW. The simulation r esults are in good agreement with the theoretical analysis. |
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| Keywords: | M-nary direct-sequence spread spectrum MSK modulation RS coding simulation |
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