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WSN 환경에서 PEGASIS 기반 에너지 효율적 라우팅 프로토콜

Energy Efficient Routing Protocol Based on PEGASIS in WSN Environment

  • 백병철 (국방대학교 관리대학원) ;
  • 권태욱 (국방대학교 컴퓨터공학과)
  • 투고 : 2023.06.16
  • 심사 : 2023.08.17
  • 발행 : 2023.08.31

초록

무선 센서 네트워크(Wireless Sensor Network : WSN)는 저가의 소형 센서를 활용해서 무선으로 사용되기 때문에 제한된 배터리 전력을 가지고 있다. 배터리를 교체할 수 없으므로 센서 노드의 수명은 배터리의 수명과 직결되므로 전력을 효율적으로 사용하여 네트워크의 수명을 극대화해야 한다. 본 연구에서는 대표적인 에너지 효율적 라우팅 프로토콜인 PEGASIS(: Power-Efficient Gathering in Sensor Information System)를 기반으로 싱크 노드로부터의 거리에 따라 계층화하여 하나의 체인이 아닌 다중 체인을 구성하는 프로토콜을 제안한다. 제안하는 프로토콜은 노드 간 전송 거리를 줄여서 불필요한 에너지 소모를 막아 네트워크 수명을 높일 수 있음을 확인하였다.

A wireless sensor network (WSN) has limited battery power because it is used wirelessly using low-cost small sensors. Since the battery cannot be replaced, the lifespan of the sensor node is directly related to the lifespan of the battery, so power must be used efficiently to maximize the lifespan of the network. In this study, based on PEGASIS, a representative energy-efficient routing protocol, we propose a protocol that classifies layers according to the distance from the sink node and configures multiple chains rather than one chain. The proposed protocol can increase network lifespan by reducing the transmission distance between nodes to prevent unnecessary energy consumption.

키워드

참고문헌

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