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A Study on Cluster Head Selection Based on Distance from Sensor to Base Station in Wireless Sensor Network

무선센서 네트워크에서 센서와 기지국과의 거리를 고려한 클러스터 헤드 선택기법

  • 고성원 (김포대학교 인터넷정보과) ;
  • 조정환 (김포대학교 항공전기전자과)
  • Received : 2013.07.03
  • Accepted : 2013.09.14
  • Published : 2013.10.31

Abstract

In Wireless Sensor Network, clustering scheme is used to prolong the lifetime of WSN by efficient usage of energy of sensor. In the distributed clustering protocol just like LEACH, every sensor in a network plays a cluster head role once during each epoch. So the FND is prolonged. But, even though every sensor plays a head role, the energy consumed by each sensor is different because the energy consumed increases according to the distance to the Base Station by the way of multiple increase. In this paper, we propose a mechanism to select a head depending on the distance to Base Station, which extends the timing of FND occurrence by 68% compared to the LEACH and makes network stable.

Keywords

References

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