A heuristic method for clustering a large-scale sensor network

被引:0
|
作者
Furuta, Takehiro [1 ]
Miyazawa, Hajime [1 ]
Ishizaki, Fumio [1 ]
Sasaki, Mihiro [1 ]
Suzuki, Atsuo [1 ]
机构
[1] Nanzan Univ, Fac Math Sci & Informat Engn, Aichi 4890863, Japan
关键词
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We present a new heuristic method for a clustering problem of sensor networks. The heuristic method is using the uncapacifated facility location problem formulation for the clustering problem of sensor networks. It is an iterative method based on the Voronoi diagram. We also propose a parallel version of the heuristics to reduce the time to obtain a solution. The proposed algorithms are investigated for the quality of their approximate solutions and computational time to obtain them. By comparing the approximate solutions to the exact solutions for examples of one hundred sensors, we found that the quality of the approximate solutions is almost the same as that of the exact ones. The computational time to obtain the approximate solutions is a thousandth of that of obtaining the exact solution. For examples of ten thousand sensors, the computational time to obtain a solution is about 9.1 seconds by the sequential algorithm and about 6 0 seconds by our parallel algorithm with six computers.
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收藏
页码:234 / 239
页数:6
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