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

The Institute of Internet, Broadcasting and Communication (한국인터넷방송통신학회)
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Wireless Sensor Network Protocol based on LEACH Protocol using Fuzzy

Fuzzy를 적용한 LEACH Protocol 기반 무선 센서 네트워크 프로토콜

  • 이종용 (광운대학교 인제니움학부대학)
  • Received : 2017.06.26
  • Accepted : 2017.08.11
  • Published : 2017.08.31
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Abstract

A wireless sensor network is a network in which nodes equipped with sensors capable of collecting data from the real world are configured wirelessly. Because the sensor nodes are configured wirelessly, they have limited power such as batteries. If the battery of the sensor node is exhausted, the node is no longer usable. If more than a certain number of nodes die, the network will not function. There are many wireless sensor network protocols to improve energy efficiency, among which LEACH Protocol is a typical example. The LEACH protocol is a cluster-based protocol that divides sensor space into clusters and transmits and receives data between nodes. Therefore, depending on how the cluster is structured, the shape of the energy cow may decrease or increase. We compare the network lifetimes of the existing LEACH protocols and the three types of protocols that have been improved using fuzzy methods for cluster selection.

무선 센서 네트워크는 현실로부터 데이터 수집이 가능한 센서가 장착된 노드들이 무선으로 구성된 네트워크이다. 센서 노드들이 무선으로 구성되었기 때문에 배터리와 같은 제한된 전원을 가지게 된다. 센서 노드의 배터리가 모두 소모되어 버리면 해당 노드는 더 이상 사용할 수 없게 되며, 일정 이상의 노드가 죽으면 네트워크는 제 역할을 못하게 된다. 에너지 효율을 높이기 위한 무선 센서 네트워크 프로토콜은 여러 가지가 있으며, 그 중 LEACH Protocol이 대표적이다. LEACH protocol은 클러스터 기반 프로토콜로 센서 공간을 클러스터로 나누어 노드 간 송수신을 한다. 그렇기 때문에 클러스터가 어떻게 구성되었느냐에 따라 에너지의 소모양이 줄어들기도 늘어나기도 한다. 클러스터 선정하는 방법을 Fuzzy를 이용하여 개선한 세 종류 프로토콜과 기존 LEACH Protocol의 네트워크 수명을 비교해보고자 한다.

Keywords

Acknowledgement

Supported by : 광운대학교

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