Abstract
Recently, the barrier-coverage of wireless sensor network received huge attention thanks to the important applications such as border protection. In practice, sensor nodes are subject to intermittent failure to detect objects within its sensing range due to many reasons. Therefore, a barrier of sensor nodes may exhibit temporal loopholes. In this paper, we investigate the potential of mobile sensor nodes such as unmanned aerial vehicles and human patrols to fortify the barrier-coverage of static wireless sensors. We use a single variable first-order grey model, GM(1,1), based on the intruder detection history from the sensor nodes to determine which parts of the barrier is more vulnerable. Then, we relocate the available mobile sensor nodes to the identified vulnerable parts of the barrier in a timely manner. We show this relocation strategy is optimal in theory. By the simulations, we also evaluate the average performance of our algorithm.
This paper was jointly supported by National Natural Science Foundation of China under grant 91124001, the Fundamental Research Funds for the Central Universities, and the Research Funds of Renmin University of China 10XNJ032. This work was supported in part by US National Science Foundation (NSF) CREST No. HRD-1345219.
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Xu, B., Kim, D., Li, D., Lee, J., Jiang, H., Tokuta, A.O. (2014). Fortifying Barrier-Coverage of Wireless Sensor Network with Mobile Sensor Nodes. In: Cai, Z., Wang, C., Cheng, S., Wang, H., Gao, H. (eds) Wireless Algorithms, Systems, and Applications. WASA 2014. Lecture Notes in Computer Science, vol 8491. Springer, Cham. https://doi.org/10.1007/978-3-319-07782-6_34
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DOI: https://doi.org/10.1007/978-3-319-07782-6_34
Publisher Name: Springer, Cham
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