The Journal of the Korea institute of electronic communication sciences (한국전자통신학회논문지)

Korea Institute of Electronic Communication Science (한국전자통신학회)
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Design by Improved Energy Efficiency MAC Protocol based on Wireless Sensor Networks

무선 센서 네트워크 기반 에너지 효율성이 개선된 MAC 프로토콜 설계

  • 이철승 (광주여자대학교 교양.교직과정부)
  • Received : 2017.03.26
  • Accepted : 2017.06.16
  • Published : 2017.06.30
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Abstract

Wireless sensor network technology is a rapidly growing technology of ubiquitous computing environment and application and research are being carried out in various fields. The sensor nodes constituting the wireless sensor network maintain the life cycle by using the battery in the distributed network environment, so energy efficiency is more important than QoS requirement. In MAC protocol of IEEE802.15.4, MAC protocol study adaptive to traffic and standardization work emphasizing reliability and efficiency in wireless sensor network environment are underway. but, Wireless sensor networks have the problem that the response speed of the sensor node drops as the energy efficiency decreases. In this paper, we designed the MAC protocol with improved energy efficiency of the whole network by analyzing the MAC protocol of the synchronous method and the hybrid method.

무선 센서 네트워크 기술은 유비쿼터스 컴퓨팅 환경의 급성장중인 기술이며 다양한 분야에서 응용과 연구가 진행 되고 있다. 무선 센서 네트워크를 구성하는 센서 노드들은 분산 네트워크 환경에서 배터리를 이용하여 Life cycle을 유지하기 때문에 QoS 요구보다는 에너지 효율이 매우 중요하다. 이러한 사항을 고려하여 IEEE802.15.4의 MAC 프로토콜에서는 트래픽에 적응적인 MAC 프로토콜 연구와 무선 센서 네트워크 환경에 신뢰성과 효율성이 강조된 표준화 작업을 진행중에 있지만, 에너지 효율이 줄어든 만큼 센서 노드의 응답속도가 떨어지는 문제점을 지니고 있다. 이에 본 논문은 동기식 방식과 하이브리드 방식의 MAC 프로토콜을 분석하여 전체네트워크의 에너지 효율이 개선된 MAC 프로토콜을 설계하였다.

Keywords

References

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