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

  • 제11권1호
  • /
  • Pages.141-150
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  • 2011
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  • 2289-0238(pISSN)
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  • 2289-0246(eISSN)
한국인터넷방송통신학회 (The Institute of Internet, Broadcasting and Communication)
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모바일 무선 센서 네트워크를 위한 Cross-Layer 협력도움 라우팅 구조

A Cross-Layer Cooperative Routing Architecture for Mobile Wireless Sensor Networks

  • 이주상 (홍익대학교 대학원 전자전산공학과) ;
  • 안병구 (홍익대학교 컴퓨터정보통신공학과)
  • 투고 : 2011.01.08
  • 심사 : 2011.02.11
  • 발행 : 2011.02.28
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초록

본 논문에서는 모바일 무선 센서네트워크에서 전송효율을 효과적으로 지원하기 위한 Cross-Layer 협력도움 라우팅 구조를 제안한다. 제안된 구조 및 방법의 주요한 특징 및 기여도는 다음과 같다. 첫째, 모바일 노드들의 위치정보를 이용한 클러스터링을 하부구조로 사용한다. 둘째, 전송효율 및 채널효율을 효과적으로 지원하기 위해서 네트워크계층, MAC 계층, 물리계층을 이용한 Cross-Layer 협력도움 라우팅 및 전송전략이 사용된다. 셋째, 기존의 센서네트워크는 주로 고정된 센서 노드들로 구성된 환경에서 많은 연구가 되어 왔지만, 본 연구에서는 노드들의 이동성을 고려한 모바일 무선 센서네트워크에서 연구가 이루어진다. 제안된 방법의 성능평가는 OPNET(Optimized Network Engineering Tool)을 사용한 시뮬레이션과 이론적 분석을 통하여 이루어진다. 성능평가를 통하여 제안된 Cross-Layer 협력도움 라우팅 구조는 전송효율을 효과적으로 증가 시킬 수 있음을 알 수 있다.

In this paper, we propose a Cross-Layer Cooperative Routing(CLCR) architecture to support transmission efficiency in mobile wireless sensor networks. The main features and contributions of the proposed architecture and method are as follows. First, the clustering which uses the location information of nodes is utilized as infrastructure. Second, a cross-layer strategy which uses the technologies of network layer, MAC layer, physical layer together to support transmission efficiency and channel efficiency for cooperative-aided routing and transmission. Third, we consider realistic approach in the view points of the mobile ad-hoc wireless sensor networks while conventional methods just consider fixed sensor network environments. The performance evaluation of the proposed method is performed via simulation using OPNET and theoretical analysis. The results of performance evaluation of the proposed CLCR show improvement of transmission efficiency by the proposed CLCR.

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참고문헌

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