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Research on Node Sleep/Wake-Up Mechanism in WSN Based on Fuzzy Energy Control

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3 Author(s)
Hongsheng Li ; Dept. of Autom., Wuhan Univ. of Technol., Wuhan, China ; Sumin Liu ; Bing Hu

Adjusting the operation mode of the nodes in wireless sensor networks can extend the networks lifetime effectively. The distributed protocol PEAS reduces the network's consumption by a method which maintains only a necessary number of nodes working and the other nodes sleeping, but in this method some of the nodes' energy will be exhausted early because of their continuous working. In response to this problem, this paper proposes a sleep / wake-up mechanism using fuzzy control algorithm to control the networks' energy. With this algorithm, energy efficiency of nodes can be improved by limiting their energy consumption. Thus, energy consumption of network is more balance and the problem of energy "hole" caused by nodes' continual working has been solved. The simulation results show that this method can be applied in wireless sensor networks well and can save the energy of networks significant.

Published in:

Intelligent Networks and Intelligent Systems, 2009. ICINIS '09. Second International Conference on

Date of Conference:

1-3 Nov. 2009

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