Mr. Jian Liu Profile

Jian Liu

at Liaoning Univ

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Proceedings Article | 4 March 2013 Paper

Hole patching strategy with the least mobile nodes in wireless sensor network of agriculture

Yong Feng, Jian Liu, Hongyan Xu, Ye Yuan

Proceedings Volume 8761, 876119 (2013) https://doi.org/10.1117/12.2020128

KEYWORDS: Sensor networks, Sensors, Agriculture, Wireless communications, Environmental monitoring, Lead, Image processing, Photonics, Current controlled current source, Global Positioning System

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Wireless Sensor Network (WSN) can be used in agriculture management. But hole can be produced in WSN due to the factors such as fault, energy depletion and so on, which can cause agricultural data incomplete. This fault can be repaired by deploying the mobile sensor nodes to patch the hole. The main optimization goal of this paper is to deploy the least mobile sensor nodes to make the cost of hole patching minimization. A hole patching strategy with the least mobile sensor nodes in WSN is proposed in this paper. Firstly, analyze geometric characteristics of the hole through detecting the hole. Next, deploy the mobile sensor nodes on the appropriate location to patch the hole according to the geometric characteristics. The strategy given in this paper includes two steps: (1) Choose the key intersection points from the set of intersection points of arc. (2) Determine the patching position of the mobile nodes to patch the hole. Finally, verify the effective of the strategy using a simulation experiment and analyze the performance based on the comparison of the experimental results. Using the hole patching strategy with the least mobile nodes in WSN can patch the hole completely and make the reparation cost minimization.

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