吉林大学学报(工学版) ›› 2016, Vol. 46 ›› Issue (4): 1304-1312.doi: 10.13229/j.cnki.jdxbgxb201604041

• Orginal Article • Previous Articles     Next Articles

Region oriented spectrum sensing model for cognitive radio system

LUAN Lei1, 2, ZHAO Xiao-hui2, XU Yong-jun2   

  1. 1.Department of Wireless Communication, Air Force Dalian Communication Sergeant School, Dalian 116600, China;
    2.College of Communication Engineering, Jilin University, Changchun 130012, China
  • Received:2013-08-26 Online:2016-07-20 Published:2016-07-20

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Abstract: A Region-oriented Spectrum Sensing Model (RSSM) was proposed. First, the size of the sensing area of RSSM was deduced using path loss and fading margin theory. Then, in single-user spectrum sensing framework, the method of threshold setting and the impact of secondary user's location on the performance of spectrum sensing were analyzed. Furthermore, in hard decision-making cooperative spectrum sensing, the effect of the secondary user's dispersion on the performance of spectrum sensing was studied. Simulation results not only demonstrate the effectiveness and rationality of the proposed model, but also confirm the correctness of location information on the analysis of spectrum sensing performance.

Key words: communication, cognitive radio, cooperative spectrum sensing, spectrum sensing model, D-S evidence theory

CLC Number: 

  • TN929
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