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Title

Advanced Redeployment Point Determining Method in Sensor Networks

Author

Byung Hee Kim, Jin Myoung Kim, Tae Ho Cho

Citation

Vol. 7  No. 11  pp. 21-25

Abstract

Routing protocols, authentication algorithms, and key management protocols in wireless sensor networks have been researched considering the energy saving aspect. Generally, the power resource of sensor nodes is limited power, irreplaceable and can not be recharged. After the deployment of sensor nodes in the surveillance region, the number of living nodes decreases and the functionality of the network gradually reduce as time elapses. Accordingly, the network manager should redeploy the sensor nodes in the surveillance region for the efficient monitoring. In many applications, the sensor nodes are redeployed from airplanes which require a high cost. In this paper, we propose a fuzzy system for reducing the redeployment cost by appropriately monitoring the surveillance region. The fuzzy logic can aid a network manager’s decision of the redeployment strategy of sensor nodes by considering the number of living sensor nodes and the area of all clusters.

Keywords

Sensor networks, fuzzy system, redeployment, cluster

URL

http://paper.ijcsns.org/07_book/200711/20071104.pdf