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An Energy Efficient Concentric Clustering Scheme in Wireless Sensor Networks

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4 Author(s)
Min-Woo Park ; Internet Manage. Technol. Lab., Sungkyunkwan Univ., Suwon, South Korea ; Jin-Young Choi ; Young-Ju Han ; Tai-Myoung Chung

In wireless sensor networks, sensor nodes have limited power so the lifetime of the networks is very important design factor. The chain-based routing scheme is one of the famous routing schemes that are proposed for reducing energy dissipation of communication in the networks. The chain-based routing schemes construct the chains for routing path. The chain-based routing schemes can reduce energy dissipation of transmitting data to base station by using the concept of multi-hop routing. PEGASIS, concentric-clustering routing scheme, and extended concentric-clustering routing scheme belong to the chain-based routing schemes. PEGASIS and concentric-clustering routing scheme do not balance energy dissipation among the sensor nodes. Especially the extended concentric-clustering routing scheme can distribute energy dissipation among each cluster. The extended concentric-clustering routing scheme fixes the number of sensor nodes in each cluster for balancing of energy dissipation among each cluster. Therefore the extended concentric-clustering routing scheme is able to make lifetime of the networks longer than the other chain-based routing schemes. However the extended concentric-clustering routing scheme still has limitation. This scheme cannot distribute energy dissipation. This difference is occurred by difference among transmitting data size of each cluster head. Because of this difference, energy dissipations are unbalanced and lifetime of the sensor networks is reduced. To overcome these problems, we propose an energy efficient concentric-clustering scheme. In our scheme, the number of sensor nodes is differently deployed to balance energy dissipation. As the simulation results, our scheme can distribute energy dissipation among the whole networks better than the extended concentric-clustering routing scheme.

Published in:

INC, IMS and IDC, 2009. NCM '09. Fifth International Joint Conference on

Date of Conference:

25-27 Aug. 2009