재난 관리를 위한 수중 음향 센서 네트워크
Underwater Acoustic Sensor Network for Disaster Prevention and Management
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초록
본 논문에서는 수중 통신 및 음향 센서 네트워크 기술을 소개하고 수중 혹은 해상 재난 시, 감시 및 구조 작업에 활용될 수 있는 재난 관리 시스템으로서 수중음향센서 네트워크 기술의 활용 가능성에 대해서 고찰해 본다. 우선 수중음향 센서 네트워크의 기본 구조와 지상의 무선 채널과 상이한 음향 채널의 고유한 특성을 소개하고 이를 바탕으로 수중 통신 시스템 및 네트워크를 구현하기 위한 기술적 이슈에 대해서 살펴본다. 기술적 이슈로서 자기 조직화 기술, 매체 접속 제어 기술 및 수조 및 해상 실험 방법과 테스트 베드 구현에 관해서 다룬다. 결론으로 재난관리 시스템의 요구조건이라 할 수 있는 시급성, 신뢰성, 확장성, 적응성 측면에서 수중통신 및 음향센서 네트워크의 향후 연구 방향을 제시한다.
Abstract
This paper investigates how underwater communication and acoustic sensor networks could be employed asa disaster management system for surveillance and rescue operation against various sea disasters. First, thearchitecture of underwater acoustic sensor network is introduced and the tough conditions of underwater acousticchannel such as high attenuation, long propagation delay, and heavy multi-path fading are summarized. Then,some technical issues to implement an efficient disaster management system under such unreliable situations areexamined in terms of self-organization of network topology, medium access control protocols, evaluation at sea,lake, and water tank using a test bed. As a conclusion, requirements and further works are mentioned to makesea disaster management system more feasible with respect to higher urgency, reliability, scalability, andadaptability.
참고문헌 (37)
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