The Journal of the Institute of Internet, Broadcasting and Communication (한국인터넷방송통신학회논문지)

The Institute of Internet, Broadcasting and Communication (한국인터넷방송통신학회)
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Energy Improvement of WSN Using The Stochastic Cluster Head Selection

확률적 클러스터 헤드 선출 방법을 이용한 WSN 에너지 개선

  • Received : 2015.01.06
  • Accepted : 2015.02.13
  • Published : 2015.02.28
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Abstract

The most important factor within the wireless sensor network is to have effective network usage and increase the lifetime of the individual nodes in order to operate the wireless network more efficiently. Therefore, many routing protocols have been developed. The LEACH protocol presented by Wendi Heinzelman, especially well known as a simple and efficient clustering based routing protocol. However, because LEACH protocol in an irregular network is the total data throughput efficiency dropped, the stability of the cluster is declined. Therefore, to increase the stability of the cluster head, in this paper, it proposes a stochastic cluster head selection method for improving the LEACH protocol. To this end, it proposes a SH-LEACH(Stochastic Cluster Head Selection Method-LEACH) that it is combined to the HEED and LEACH protocol and the proposed algorithm is verified through the simulation.

무선센서네트워크의 효율적인 에너지 사용과 개별 노드의 수명 증가는 센서 네트워크의 효율적인 운영을 위해 매우 중요한 요소이며 많은 라우팅 프로토콜들이 네트워크 수명을 최대화하기 위해 개발되고 있다. 특히 Wendi Heinzelman에 의해 제시된 LEACH프로토콜은 간단하고 효율적인 클러스터링 기반의 라우팅 프로토콜로 잘 알려져 있다. 그러나 LEACH프로토콜은 총 데이터 전송 량이 불규칙한 네트워크에서 효율이 떨어지게 되므로 클러스터의 안정도가 낮아지게 된다. 그러므로 본 논문에서는 클러스터링 기반의 라우팅 프로토콜에서 개선된 확률적 클러스터 헤드선출 방법을 제안한다. LEACH프로토콜과 HEED프로토콜에 대해 조사해보고 LEACH프로토콜에 새로운 확률적 클러스터 헤드 선출방법을 적용하고 비교하여 개선된 점을 보여준다.

Keywords

References

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