MC-CDMA和DS-CDMA系统的性能比较与研究
首发时间:2007-05-28
摘要:文中介绍了MC-CDMA系统的结构和特性,并将其与DS-CDMA系统进行了性能比较与分析,总结归纳了MC-CDMA的优缺点。二者的误码率曲线仿真结果显示,由于其内在的频率分集性能和克服多径时延的能力,MC-CDMA表现出比DS-CDMA更好的误码率性能。
关键词: MC-CDMA DS-CDMA OFDM 多径时延扩展
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Comparison and Study of Features Between MC-CDMA and
Abstract:This paper introduces the framework and characteristics of MC-CDMA system, and then compares and analyzes the features with DS-CDMA system, a summary of its advantages and disadvantages are expounds in succession. Their BER simulation curve indicates that MC-CDMA outperforms DS-CDMA because of its inherent capacity of frequency diversity and combating the multi-path propagation effect.
Keywords: MC-CDMA DS-CDMA OFDM multi-path time delay
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No.1307311167611803****
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