Adaptive directed evolved NSGA2 based node placement optimization for wireless sensor networks |
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Authors: | Zhang Yijie Liu Mandan |
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Affiliation: | 1.East China University of Science and Technology, No. 130, Meilong Road, Xuhui District, Shanghai, China ; |
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Abstract: | Wireless sensor network (WSN) is a wireless network composed of a large number of staticor mobile sensors in a self-organizing and multi-hop manner. In WSN research, node placement is one of the basic problems. In view of the coverage, energy consumption and the distance of node movement, an improved multi-objective optimization algorithm based on NSGA2 is proposed in this paper. The proposed algorithm is used to optimize the node placement of WSN. The proposed algorithm can optimize both the node coverage and lifetime of WSN while also considering the moving distance of nodes, so as to optimize the node placement of WSN. The experiments show that the improved NSGA2 has improvements in both searching performance and convergence speed when solving the node placement problem. |
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