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Fuzzy-Logic-Based Clustering Approach for Wireless Sensor Networks Using Energy Predication

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2 Author(s)
Jin-Shyan Lee ; Dept. of Electr. Eng., Nat. Taipei Univ. of Technol., Taipei, Taiwan ; Wei-Liang Cheng

In order to collect information more efficiently, wireless sensor networks (WSNs) are partitioned into clusters. Clustering provides an effective way to prolong the lifetime of WSNs. Current clustering approaches often use two methods: selecting cluster heads with more residual energy, and rotating cluster heads periodically, to distribute the energy consumption among nodes in each cluster and extend the network lifetime. However, most of the previous algorithms have not considered the expected residual energy, which is the predicated remaining energy for being selected as a cluster head and running a round. In this paper, a fuzzy-logic-based clustering approach with an extension to the energy predication has been proposed to prolong the lifetime of WSNs by evenly distributing the workload. The simulation results show that the proposed approach is more efficient than other distributed algorithms. It is believed that the technique presented in this paper could be further applied to large-scale wireless sensor networks.

Published in:

Sensors Journal, IEEE  (Volume:12 ,  Issue: 9 )