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快速收敛的认知无线电功率控制算法

DOI: 10.13190/jbupt.200901.73.zhaochl, PP. 73-76

Keywords: 认知无线电,非合作博弈,收敛性

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Abstract:

针对认知无线电系统中不同认知用户的通信需求,以码分多址(CDMA,codedivisionmultipleaccess)认知无线电系统为通信平台,通过设计一种有效的代价函数,提出了一种新的非合作功率控制博弈算法,并证明了该算法纳什均衡的存在性和唯一性.仿真结果表明,与其他几种功率控制算法相比较,该算法具有较快的收敛速度,能够以较低的功率水平满足不同用户的信干比要求.

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