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多基站协作通信系统容量最大化的功率分配方案

DOI: 10.13190/j.jbupt.2013.06.020, PP. 93-97

Keywords: 协作通信,遗传算法,功率分配,粒子群优化算法

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Abstract:

将多基站协作通信的功率分配问题转换为最大化系统容量问题,通过设置路径损耗门限为各用户判决与其通信的协作基站,并以最大化系统容量为目标,分别给出基于遗传算法和基于粒子群优化算法的多基站协作通信功率分配方案.数值分析表明,当用户数量为100时,相对于多基站协作通信等功率分配方案,所提出的2种功率分配方案分别提高系统容量5.25bit·s-1·Hz-1和7.38bit·s-1·Hz-1.另外,基于粒子群优化算法的功率分配方案在算法性能上优于基于遗传算法的功率分配方案.

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