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Cooperative Energy Detection Of Double Threshold
Huang Mei 1,Li Shufang 2 *
1.Beijing University of Posts and Telecommunications，College of Communication and Information Technology，100876
2.Beijing University of Posts and Telecommunications，College of Communication and Information Technology,100876
*Correspondence author
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Funding: none
Opened online: 2 December 2016
Accepted by: none
Citation: Huang Mei,Li Shufang.Cooperative Energy Detection Of Double Threshold[OL]. [ 2 December 2016] http://en.paper.edu.cn/en_releasepaper/content/4710529
 
 
Cognitive radio is one of the primary technology to solve the underutilization problem of the spectrum, in recent time, The State Commission has put up a new wireless system in LTE 230 spectrum. In this paper, we consider an amplify-and-forward relay-based cooperative spectrum sensing using a double threshold energy detector. Each second cognitive user takes a local decision on spectrum occupancy based on two energy detection thresholds, which is according to the channel fading. Cooperative probability of detection, probability of missed detection and probability of false alarm are derived theoretically. Simulation results show that the propose method makes an improvement in spectrum sensing.
Keywords:spectrum sensing; enegy detection of double threhold ; cooperative我的导师李书芳（lisf@bupt.edu.cn）同意发表论文，通信联系人是实验室老师尹良（YinL@bupt.edu.cn）
 
 
 

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