Energy-Efficient cluster reconfiguration with fair cluster formations in sensor networks

Authors:
Hyang-tack Lee;Yong-hyun Jo;Byeong-hee Roh;S. W. Yoo
Affiliations:
Graduate School of Information and Communication, Ajou University, Suwon, Korea;National Computerization Agency, Seoul, Korea;Graduate School of Information and Communication, Ajou University, Suwon, Korea;Graduate School of Information and Communication, Ajou University, Suwon, Korea
Venue:
EUC'05 Proceedings of the 2005 international conference on Embedded and Ubiquitous Computing
Year:
2005

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Abstract

In cluster-based schemes such as LEACH, cluster reconfiguration algorithm is one of the most critical issues to achieve longer lifetime of sensor networks. In this paper, we propose a new energy efficient cluster reconfiguration algorithm, called EECRA. EECRA does not require any location or energy information of sensors, and can configure clusters with fair cluster regions such that all the sensors in a sensor network can utilize their energies equally. The performances of EECRA have been compared with LEACH and LEACH-C. We also show that EECRA can be well applied to the environments that sensors are moving.