Abstract

본 논문에서는 컨테이너 터미널의 효율적인 장치장 운영방안을 위해 RFID/USN 기반의 ad-hoc 네트워크 구축방안을 제시하였다. 장치장 내 고정 혹은 이동 장치들 간의 통신은 ad-hoc 노드를 통해 운용되며, 컨테이너의 상태정보를 실시간으로 수집하여, ad-hoc 통신을 통해 중앙통제실은 물론 외부의 화주에게도 컨테이너의 상태정보를 공유할 수 있게 해준다. 또한 RFID 태그의 위치에 따라 장치장 내의 최대 무선전송 범위를 예측할 수 있는 LAODV(Location based AODV) 라우팅 프로토콜을 제안하고, 컴퓨터 시뮬레이션을 통한 성능평가를 수행하여 유효성을 입증하였다. In this paper, the RFID / USN-based ad-hoc network structure is presented for efficient operation of a container terminal yard. Communication between fixed or mobile devices in the container terminal yard is accomplished through the ad-hoc node, to collect the status information of a container in real time. Any outside shipper of the container as well as central server allows to share the status information of a container through ad-hoc communication. In addition, to predict the maximum wireless transmission range of nodes by RFID tag position in the yard, LAODV (Location based AODV) routing protocol is proposed. The validity is proved by performance evaluation via computer simulation.

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