Cascading failure in the wireless sensor scale-free networks

被引：20
|
作者：
Liu Hao-Ran [1 ,2 ]
Dong Ming-Ru [3 ]
Yin Rong-Rong [1 ,2 ]
Han Li [1 ]
机构：
[1] Yanshan Univ, Sch Informat Sci & Engn, Qinhuangdao 066004, Peoples R China
[2] Yanshan Univ, Key Lab Special Opt Fiber & Opt Fiber Sensing, Qinhuangdao 066004, Peoples R China
[3] Yanshan Univ, Sch Elect Engn, Qinhuangdao 066004, Peoples R China
来源：
CHINESE PHYSICS B | 2015年 / 24卷 / 05期
关键词：
wireless sensor network; scale-free topology; cascading failure; COMPLEX NETWORKS;
D O I：
10.1088/1674-1056/24/5/050506
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
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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收藏
页数：7
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