최근 주변 사물에 부착된 센서를 이용하여 센싱 정보를 무선 네트워크를 통하여 실시간으로 수집 및 제공하는 USN(Ubiquitous Sensor Network) 기술에 대한 관심이 급증하고 있다. 또한 요즘 현대인에게 있어서 자동차는 없어서는 안될 필수품이지만, 자동차 수의 증가에 비해 도로를 포함한 기반시설의 증가는 턱없이 부족한 실정이다. 현재 국내에서는 USN 기술을 안전 운전 서비스 및 교통정보 수집 시스템에 적용하기 위한 기술개발과 시범사업이 추진되고 있다. 본 논문에서는 도로에 부착된 USN 노드들을 통하여 차량 및 도로의 정보를 실시간으로 수집 분석하여 교통안전정보를 제공하는 802.11기반 텔레매틱스 교통안전 시스템을 설계하고 그 성능에 대하여 ns2 시뮬레이션 도구를 사용하여 평가한다.
KSP Keywords
ubiquitous sensor network
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