Selection of Cognitive Users in Cooperative Spectrum Sensing

被引：0
|
作者：
Zheng, Xuediang [1 ]
Chen, Juan [1 ]
Wang, Xin
Kong, Fanjun [2 ]
机构：
[1] PLA Univ Sci & Technol, Inst Commun Engn, Xian, Peoples R China
[2] Xian Commun Inst, Xian, Peoples R China
来源：
MATERIALS SCIENCE AND INFORMATION TECHNOLOGY, PTS 1-8 | 2012年 / 433-440卷
关键词：
cognitive radio; spectrum sensing; cooperation; user selection;
D O I：
10.4028/www.scientific.net/AMR.433-440.5218
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
Cooperative spectrum sensing under network overhead constraints is studied. To protect the primary user well, the detection probability must exceed the predefined threshold. Based on the protection of the primary user, the constraints on optimal number of cognitive users are defined by weighting the detection performance and the usage efficiency in a target function. The analysis of the target function is given under energy fusion strategy in the fusion center. The simulation results show the validity of the constraints.
引用
收藏
页码：5218 / +
页数：2
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