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WANG Meng-dong, CHEN Xiang, GUAN Yu, XIAO Shu-yan. Research of double-threshold spectrum sensing algorithm based on D-S theory[J]. Journal of Mine Automation, 2013, 39(12): 82-85. DOI: 10.7526/j.issn.1671-251X.2013.12.020
Citation: WANG Meng-dong, CHEN Xiang, GUAN Yu, XIAO Shu-yan. Research of double-threshold spectrum sensing algorithm based on D-S theory[J]. Journal of Mine Automation, 2013, 39(12): 82-85. DOI: 10.7526/j.issn.1671-251X.2013.12.020
shu

Research of double-threshold spectrum sensing algorithm based on D-S theory

  • 1.

    Technology Center, Xishan Coal Electricity (Group) Co., Ltd., Taiyuan 030000, China

  • 2.

    School of Information and Electrical Engineering, China University of Mining and Technology, Xuzhou 221008, Chi

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  • In view of problem that traditional double-threshold spectrum sensing algorithm cannot make full use of information of sensing users between two thresholds, the paper proposed a double-threshold spectrum sensing algorithm based on D-S theory. When signal energy received by the sensing users lies between the two thresholds, the algorithm does not give judging result directly but makes local judgment, namely it uses D-S theory to make data fusion. Simulation result shows that detection probability of double-threshold spectrum sensing algorithm based on D-S theory is higher than one of the traditional double-threshold spectrum sensing algorithm, which improves performance of spectrum sensing.
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