现代电子技术2016，Vol.39Issue(17)：49-54,6.DOI:10.16652/j.issn.1004-373x.2016.17.012
基于多层分簇优化的认知无线电网络协作频谱感知策略
Multilayer clustering optimization based cooperative spectrum sensing scheme of cognitive radio network
摘要
Abstract
To solve the problems of detection performance and energy consumption of the clustering⁃based spectrum sensing scheme in cognitive radio network(CRN),a cooperative spectrum sensing scheme based on multilayer clustering optimization is proposed. With the schene,the CRN is divided into several clusters,then the clusters are divided into several groups,and the groups are divided into several subgroups to construct a three⁃layer clustering structure. The proposed optimization algorithm is used to obtain the optimal clustering parameters and decision⁃making thresholds. The decision of each level is clustered by means of the voting mechanism and K⁃out⁃of⁃N rule to perform the spectrum sensing. The experimental results show that the pro⁃posed scheme can reduce the channel overhead and improve the network throughput to the maximum extent while obtaining the high detection rate of the primary user(PU)spectrum occupancy.关键词
认证无线电网络/协作频谱感知/多层分簇/参数优化/决策规则Key words
cognitive radio network/cooperative spectrum sensing/multilayer clustering/parameter optimization/decision rule分类
信息技术与安全科学引用本文复制引用
张亚梅,刘保菊..基于多层分簇优化的认知无线电网络协作频谱感知策略[J].现代电子技术,2016,39(17):49-54,6.基金项目
国家自然科学基金项目（61503206）；河南省科技厅科技发展计划项目 （）
