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에너지 효율을 위한 무선센서 네트워크의 적응형 클러스터링 알고리즘

An Adaptive Clustering Algorithm of Wireless Sensor Networks for Energy Efficiency

  • 조영복 (충북대학교 소프트웨어학과) ;
  • 이상호 (충북대학교 소프트웨어학과) ;
  • 우성희 (한국교통대학교 의료정보공학과)
  • 투고 : 2016.11.29
  • 심사 : 2017.02.03
  • 발행 : 2017.02.28

초록

WSN환경에서는 센서노드들은 수집한 데이터를 클러스터헤더노드로 전송하고 클러스터 헤더는 전달받은 데이터를 취압하여 기지국으로 전송하게 된다. 이 과정에서 센서노드가 클러스터헤더로 선출되어 많은 에너지를 소비하게 되는 문제를 고려하지 않을 수 없다. 따라서 이미 배포된 센서필드를 기준으로 에너지 효율적인 클러스터링 알고리즘을 적용함으로 전체 네트워크의 신뢰성을 향상시킬 수 있는 센서 필드의 환경을 이용한 클러스터 알고리즘을 자동 선별하는 기법을 제안하였다. 실험 결과 제안알고리즘을 이용해 실험한 결과 FDN은 약 3배 연장함을 실험을 통해 증명하였다. 또한 네트워크 에너지는 기존 방식보다 최대 30% 연장하여 센서네트워크의 신뢰성을 향상시켰다.

In the WSN environment, the sensor node is selected as the cluster header and consumes a lot of energy. Therefore, we proposed a method to automatically select a cluster algorithm using the sensor field environment that can improve the reliability of the whole network by applying an energy efficient clustering algorithm based on already deployed sensor field. Experimental results show that FDN is extended about 3 times by using the proposed algorithm. In addition, the network energy is extended by up to 30% compared to the conventional method, thereby improving the reliability of the sensor network.

키워드

참고문헌

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