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A Study on Energy Efficient Self-Organized Clustering for Wireless Sensor Networks

무선 센서 네트워크의 자기 조직화된 클러스터의 에너지 최적화 구성에 관한 연구

  • Lee, Kyu-Hong (Dept. of Systems Management Engineering, Sungkyunkwan University) ;
  • Lee, Hee-Sang (Dept. of Systems Management Engineering, Sungkyunkwan University)
  • 이규홍 (성균관대학교 시스템경영공학과) ;
  • 이희상 (성균관대학교 시스템경영공학과)
  • Received : 2011.03.15
  • Accepted : 2011.07.11
  • Published : 2011.09.01

Abstract

Efficient energy consumption is a critical factor for deployment and operation of wireless sensor networks (WSNs). To achieve energy efficiency there have been several hierarchical routing protocols that organize sensors into clusters where one sensor is a cluster-head to forward messages received from its cluster-member sensors to the base station of the WSN. In this paper, we propose a self-organized clustering method for cluster-head selection and cluster based routing for a WSN. To select cluster-heads and organize clustermembers for each cluster, every sensor uses only local information and simple decision mechanisms which are aimed at configuring a self-organized system. By these self-organized interactions among sensors and selforganized selection of cluster-heads, the suggested method can form clusters for a WSN and decide routing paths energy efficiently. We compare our clustering method with a clustering method that is a well known routing protocol for the WSNs. In our computational experiments, we show that the energy consumptions and the lifetimes of our method are better than those of the compared method. The experiments also shows that the suggested method demonstrate properly some self-organized properties such as robustness and adaptability against uncertainty for WSN's.

Keywords

References

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