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多用户检测技术对CDMA系统的影响研究

消耗积分:3 | 格式:rar | 大小:332 | 2009-02-19

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定量分析了具有多用户检测功能的CDMA移动通信系统的容量和覆盖,讨论了采用遗传算法实现多用户检测的方法,仿真结果表明无论是抗多址干扰还是抑制远近效应,基于遗传算法的多用户检测技术都明显优于传统检测器。
关 键 词 码分多址; 多用户检测; 遗传算法; 并行干扰对消

Abstract In this paper, the coverage and capacity in CDMA Systems with multi-user detection technique are analyzed. A genetic algorithm based multi-user detection technique is presented. With the computer simulation, it is shown that the new multi-user detection technique has better performance than the conventional multi-user detection technique in terms of both the resistance on the multiple access interference and the near-far effects.
Key words code division multiple access; multi-user detection; genetic algorithm; parallel interference cancellation

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