Systems Engineering and Electronics ›› 2018, Vol. 40 ›› Issue (3): 665-670.doi: 10.3969/j.issn.1001-506X.2018.03.27

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Distributed intelligent intrusion prevention scheme based on reputation and consensus

JI Wei1,2, LI Bingxing1,2, ZHENG Baoyu1,2   

  1. 1. College of Telecommunication & Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210003, China; 2. Key Lab of Broadband Wireless Communication and Sensor Network Technology of Ministry of Education, Nanjing University of Posts and Telecommunications, Nanjing 210003, China
  • Online:2018-02-26 Published:2018-02-26

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Abstract:

In cooperative spectrum sensing, some cognitive users may be malicious. More seriously, malicious users may adopt cooperative behaviors, which will bring great harm to spectrum sensing. In order to effectively resist malicious behaviors in cooperative spectrum sensing, a reputation and consensus based distributed intelligent intrusion prevention scheme is proposed. During each iteration in the proposed scheme, the reputation values of cognitive users are updated, in which honest users will be rewarded and malicious users will be punished. Then, the reputation values of cognitive users will be combined with the fusion factor in the consensus algorithm to achieve the consensus process. Intelligent malicious users will eventually choose to abandon malicious attacks. Simulation results show that the proposed scheme can effectively defend against non-cooperative attacks and cooperative attacks with multiple malicious users. Compared with the existing three defense mechanisms, the proposed scheme has better detection and defense performance.

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