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	Game-theoretic approach against selfish attacks in cognitive radio networks
	Yan, Mi ; Du, Liang ; Huang, Lianfen ; Xiao, Liang ; Tang, Jianbin ; Huang LF(黄联芬) ; Xiao L(肖亮)
	2011
关键词	Computer simulation Information science Network performance Network protocols Network security Radio
英文摘要	Conference Name:2011 10th IEEE/ACIS International Conference on Computer and Information Science, ICIS 2011. Conference Address: Sanya, Hainan Island, China. Time:May 16, 2011 - May 18, 2011.; IEEE Computer Society; Int. Assoc. Comput. Inf. Sci. (ACIS); Institute of Electrical and Electronics Engineers (IEEE); Hainan University; Cognitive Radio (CR) networks are vulnerable to selfish attacks, where secondary users increase their accessing probability to enhance their own utilities, resulting in serious performance degradation in CR networks. Therefore, we formulate the secure access for CR networks into a static game called Back off Window Control Game (BWCG) and a repeated game with punishment mechanism based on the CSMA protocol. We have proven the existence of a Nash Equilibrium in the BWCG game and design a punishment mechanism to motivate selfish users not to perform selfish attacks in the repeated game. Simulation results show that the proposed scheme can improve the network performance and the punishment mechanism can efficiently prevent selfish attacks in CR networks. ? 2011 IEEE.
语种	英语
出处	http://dx.doi.org/10.1109/ICIS.2011.18
出版者	IEEE Computer Society
内容类型	其他
源URL	[http://dspace.xmu.edu.cn/handle/2288/87074]
专题	信息技术－会议论文
推荐引用方式 GB/T 7714	Yan, Mi,Du, Liang,Huang, Lianfen,et al. Game-theoretic approach against selfish attacks in cognitive radio networks. 2011-01-01.

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