| NEAR OPTIMAL CLUSTER-HEAD SELECTION FOR WIRELESS SENSOR NETWORKS |
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| 作者姓名： | Zhu Xiaorong Shen Lianfeng |
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| 作者单位： | National Mobile Comm. Research Lab，Southeast University，Nanjing 210096，China |
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| 基金项目： | Supported in part by the National Natural Science Foundation of China (No.60472053)，the Natural Science Foundation of Jiangsu Province (No.BK2003055)，the Specialized Research Foundation for the Doctoral Pro-gram of Higher Education (20030286017). |
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| 摘 要： | Clustering in wireless sensor networks is an effective way to save energy and reuse band- width. To our best knowledge, most of the clustering protocols proposed in literature are of a dynamic type, where cluster heads are selected in each period, followed by cluster formation. In this paper, a new static type clustering method called Hausdorff clustering, which is based on the location of sensor nodes as well as communication efficiency and network connectivity, is proposed. The cluster head, however, is rotated within the cluster by a fuzzy logic algorithm that optimizes the network lifetime. Simulation results show that this approach can significantly increase the lifetime of the sensor network.
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| 关 键 词： | 通信技术 网络 逻辑分析 模糊技术 |
| 收稿时间： | 17 April 2006 |
| 修稿时间： | 2006-04-17 |
Near optimal cluster-head selection for wireless sensor networks |
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| Zhu Xiaorong Shen Lianfeng.NEAR OPTIMAL CLUSTER-HEAD SELECTION FOR WIRELESS SENSOR NETWORKS[J].Journal of Electronics,2007,24(6):721-725. |
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| Authors: | Zhu Xiaorong Shen Lianfeng |
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| Affiliation: | The Institute of Electronics, Chinese Academy of Sciences, Beijing 100080, China |
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| Abstract: | Clustering in wireless sensor networks is an effective way to save energy and reuse band- width. To our best knowledge, most of the clustering protocols proposed in literature are of a dynamic type, where cluster heads are selected in each period, followed by cluster formation. In this paper, a new static type clustering method called Hausdorff clustering, which is based on the location of sensor nodes as well as communication efficiency and network connectivity, is proposed. The cluster head, however, is rotated within the cluster by a fuzzy logic algorithm that optimizes the network lifetime. Simulation results show that this approach can significantly increase the lifetime of the sensor network. |
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| Keywords: | Sensor networks Hausdorff clustering Fuzzy logic |
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