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认知无线电中基于相似性的自适应分簇算法

DOI: 10.13190/jbupt.200803.89.xuey, PP. 89-93

Keywords: 认知无线电,自适应分簇,可用信道相似性,链路平均可用信道

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Abstract:

针对认知无线电网络(CRN)中可用信道实时变化的特点,运用图形理论提出一种基于相似性的自适应分簇(CBAC)算法.以用户可用信道的相似性为基础,结合考虑用户的移动性,通过计算节点权值实现CRN的优化分簇.仿真分析证明,CBAC算法提高了系统的链路平均可用信道数,相比传统的分簇算法,能提高频谱的利用效率.

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