数据采集与处理2013，Vol.28Issue(2)：184-189,6.
一种基于信噪比加权共识的合作频谱感知算法
SNR Based Weighted-Consensus Algorithm for Cooperative Spectrum-Sensing
摘要
Abstract
A signal-to-noise ratio (SNR) weighted-consensus based cooperative spectrum sensing algorithm is proposed on the basis of the distributed average consensus-based cooperative spectrum sensing algorithm. The algorithm introduces the weights reflecting users' SNRs into the average consensus and the weights are obtained based on the converged average consensus. Without any SNR knowledge, the algorithm enables effective weighted-consensus of the spectrum sensing information in distributed cognitive Ad Hoc networks. Both the analysis and simulation results indicate that the proposed algorithm can overcome the inability to distinguish the diversity on users' SNRs of the average consensus-based algorithm, and improve the performance of spectrum sensing.关键词
信噪比/合作感知/平均共识/加权共识Key words
SNR/ cooperative sensing/ average consensus/ weighted consensus分类
信息技术与安全科学引用本文复制引用
杜智勇,陈浩楠,宋绯..一种基于信噪比加权共识的合作频谱感知算法[J].数据采集与处理,2013,28(2):184-189,6.基金项目
国家重点基础研究发展计划("九七三"计划)(2009CB320400)资助项目. （"九七三"计划）
