07MD1700, Development of UHF RF-ID and Ubiquitous Networking Technology,
Chae Jong- Suk
Abstract
에너지 효율성과 신뢰성을 설계의 기본 요소로 하여 센서 네트워크를 위한 다양한 라우팅 프로토콜이 제시되었다. 본 논문은 무선 센서 네트워크에서 에너지 효율성을 고려한 트리 라우팅 방법에 관한 것이다. 제안한 기법은 데이터 전달 경로를 노드의 에너지 잔량을 고려하여 선정하게 함으로써 노드의 에너지 소진을 분산시켜 네트워크의 수명을 향상시키고, 상위 부모 노드로 데이터 전달에 실패하였을 경우 우회할 수 있는 후보 부모 정보에서 새로운 부모를 선택하여 데이터를 전달함으로써 데이터 전달의 신뢰성을 제공한다. 제안한 기법의 성능을 분석하기 위해 PARSEC 기반 시뮬레이션 환경을 구성하여 기존의 트리 라우팅과 성능을 비교하였으며, 제안한 기법이 트리 라우팅에 비해 네트워크 수명에 있어 23.5% 개선된 결과를 보인다.
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