An energy efficient clustering method for wireless sensor networks

Authors:
Ilgyu Jung;Byunghwa Lee;Namkoo Ha;Keuchul Cho;Yoonjae Choi;Minho Choi;Byeongjik Lee;Kijun Han
Affiliations:
Department of Computer Engineering, Kyungpook National University, Sankyuk-dong, Buk-gu Daegu, Korea;Department of Computer Engineering, Kyungpook National University, Sankyuk-dong, Buk-gu Daegu, Korea;Department of Computer Engineering, Kyungpook National University, Sankyuk-dong, Buk-gu Daegu, Korea;Department of Computer Engineering, Kyungpook National University, Sankyuk-dong, Buk-gu Daegu, Korea;Department of Computer Engineering, Kyungpook National University, Sankyuk-dong, Buk-gu Daegu, Korea;Department of Computer Engineering, Kyungpook National University, Sankyuk-dong, Buk-gu Daegu, Korea;Department of Computer Engineering, Kyungpook National University, Sankyuk-dong, Buk-gu Daegu, Korea;Department of Computer Engineering, Kyungpook National University, Sankyuk-dong, Buk-gu Daegu, Korea
Venue:
EHAC'07 Proceedings of the 6th WSEAS International Conference on Electronics, Hardware, Wireless and Optical Communications
Year:
2007

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Abstract

Wireless sensor networks have many sensor nodes with a limited energy in a limited area. One of key issues in wireless sensor networks is to prolong the network lifetime. In this paper, we propose a scheme to construct an energy-efficient cluster structure in wireless sensor networks. Our scheme considers both the residual energy of sensor nodes and the number of neighbors around each node when selecting cluster heads. Simulation results show that our scheme can successfully prolong network lifetime by evenly distributing energy consumption over all sensor nodes.