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Cascading failure in the wireless sensor scale-free networks |
Liu Hao-Ran (刘浩然)a b, Dong Ming-Ru (董明如)c, Yin Rong-Rong (尹荣荣)a b, Han Li (韩丽)a |
a School of Information Science and Engineering, Yanshan University, Qinhuangdao 066004, China; b Key Laboratory of Special Optical Fiber and Optical Fiber Sensing, Yanshan University, Qinhuangdao 066004, China; c School of Electrical Engineering, Yanshan University, Qinhuangdao 066004, China |
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Abstract In the practical wireless sensor networks (WSNs), the cascading failure caused by a failure node has serious impact on the network performance. In this paper, we deeply research the cascading failure of scale-free topology in WSNs. Firstly, a cascading failure model for scale-free topology in WSNs is studied. Through analyzing the influence of the node load on cascading failure, the critical load triggering large-scale cascading failure is obtained. Then based on the critical load, a control method for cascading failure is presented. In addition, the simulation experiments are performed to validate the effectiveness of the control method. The results show that the control method can effectively prevent cascading failure.
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Received: 22 December 2014
Accepted manuscript online:
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PACS:
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05.65.+b
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(Self-organized systems)
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89.75.Hc
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(Networks and genealogical trees)
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Fund: Project supported by the Natural Science Foundation of Hebei Province, China (Grant No. F2014203239), the Autonomous Research Fund of Young Teacher in Yanshan University (Grant No. 14LGB017) and Yanshan University Doctoral Foundation, China (Grant No. B867). |
Corresponding Authors:
Liu Hao-Ran
E-mail: liuhaoran@ysu.edu.cn, liu.haoran@ysu.edu.cn
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About author: 05.65.+b; 89.75.Hc |
Cite this article:
Liu Hao-Ran (刘浩然), Dong Ming-Ru (董明如), Yin Rong-Rong (尹荣荣), Han Li (韩丽) Cascading failure in the wireless sensor scale-free networks 2015 Chin. Phys. B 24 050506
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