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	On selfish behavior in wireless sensor networks: A game theoretic case study
	Yan, Mi ; Xiao, Liang ; Du, Liang ; Huang, Lianfen ; Xiao L(肖亮) ; Huang LF(黄联芬)
	2011
关键词	Access control Behavioral research Carrier sense multiple access Game theory Mechatronics Sensors
英文摘要	Conference Name:3rd International Conference on Measuring Technology and Mechatronics Automation, ICMTMA 2011. Conference Address: Shanghai, China. Time:January 6, 2011 - January 7, 2011.; IEEE Instrumentation and Measurement Society; Shanghai University of Engineering Science; City University of Hongkong; Changsha University of Science and Technology; Hunan University of Science and Technology; In this paper, we study the selfish behavior in wireless sensor networks and apply a game theory method to address this problem in a CSMA/CA protocol. More specifically, we formulate the Media Access Control (MAC) layer activity in sensor networks as an optimization problem in terms of the random accessing problem. Then we propose a distributed algorithm for the system to reach the Nash Equilibrium (NE). We have defined a Contention Window Select Game (CWSG) in which each sensor selects its own contention window to control the access probability. This approach can improve the average pe rformance, compared to a random strategy with each sensor selecting its own window independently. We prove the unique existence of NE in the CWSG, and propose a penalizing mechanism based on repeated game to prevent the non-cooperative selfish behavior of decreasing the contention window without pe rmission. ? 2010 IEEE.
语种	英语
出处	http://dx.doi.org/10.1109/ICMTMA.2011.472
出版者	IEEE Computer Society
内容类型	其他
源URL	[http://dspace.xmu.edu.cn/handle/2288/87007]
专题	信息技术－会议论文
推荐引用方式 GB/T 7714	Yan, Mi,Xiao, Liang,Du, Liang,et al. On selfish behavior in wireless sensor networks: A game theoretic case study. 2011-01-01.

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