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| Research on the Impact of Node Failure on the Reliability of Coverage and Connection for Wireless Sensor Networks |
| Fu Zhi-xin; Xu Zhi-liang; Huang Cheng; Wu Xiao-bei |
| School of Automation, Nanjing University of Science and Technology, Nanjing 210094, China |
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Abstract In this paper, we consider the impact of node failure on the monitoring reliability of wireless sensor networks. The quantitative criterions of two basic network monitoring performance, coverage and connection, are proposed from the perspective of node failure focusing on the case of stochastic and uniform node deployment. The performance criterion model is given. Two node failure forms, stochastic failure and vicious failure are discussed and simulated by the designed node failure algorithms. The impact of node failures on the network monitoring reliability are analysed based on the simulation results. Experience formulas which are helpful for choosing the network parameters are also summarized.
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Received: 14 November 2008
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2009, Vol. 31 
