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Vol. 150, No. 3, March 2013, pp. 72-78




A Balancing Algorithm in Wireless Sensor Network Based on the Assistance of Approaching Nodes


1,* Chengpei Tang, 1 Jiao Yin, 1 Yu Dong

1School of Engineering, Sun Yat-sen University, Guangzhou 510006 P. R. China

*E-mail: tchengp@mail.sysu.edu.cn



Received: 24 February 2013   /Accepted: 19 March 2013   /Published: 29 March 2013

Digital Sensors and Sensor Sysstems


Abstract: Sensor node in wireless sensor network is a micro-embedded system with limited memory, energy and communication capabilities. Some nodes will run out of energy and exit the network earlier than other nodes because of the uneven energy consumption. This will lead to partial or complete paralysis of the whole wireless sensor network. A balancing algorithm based on the assistance of approaching nodes is proposed. Via the set theory, notes are divided into neighbor nodes set and approaching nodes set. Approaching nodes will help weaker nodes forward part of massages to balance energy consumption. Simulation result has verified the rationality and feasibility of the balancing algorithm.


Keywords: Wireless sensor network, Approaching nodes, Balancing algorithm, Set theory


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