吉林大学学报(工学版) ›› 2013, Vol. 43 ›› Issue (04): 1098-1103.doi: 10.7964/jdxbgxb201304040

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Target based cooperative spectrum sensing scheme with best relay

LI Mei-ling1,2, YUAN Chao-wei2, ZHAO Wei2, HAN Xi2   

  1. 1. School of Electronics and Information Engineering, Taiyuan University of Science and Technology, Taiyuan 030024, China;
    2. School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China
  • Received:2012-04-02 Online:2013-07-01 Published:2013-07-01

Abstract:

Target based Cooperative Spectrum Sensing (CSS) scheme with best relay (Pe-BRCS) was proposed. In this scheme the best relay was selected by minimizing the reporting error probability to improve the sensing performance. Furthermore, to reduce the computational complexity, a simplified CSS scheme with best relay (simplified-BRCS) was proposed. Results of numerical simulation show that, comparing with traditional SINR-BRCS, the reduced reporting error probability can be achieved effectively by the proposed Pe-BRCS with little computational complexity. The performance obtained by the simplified-BRCS scheme is similar to that of Pe-BRCS but without increase in computational complexity.

Key words: communication, cognitive radio, cooperative spectrum sensing, relay cooperation, reporting error probability

CLC Number: 

  • TN911

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