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- W2009293722 abstract "본 논문에서는 AIS의 기본 개념과 위성 AIS을 위한 고려사항, 위성 AIS의 적용에 따른 문제점과 성능 분석을 위한 예상 링크 값을 바탕으로 해상에서의 오브컴(ORBCOMM) 위성의 AIS 성능분석을 수행하였다. 제안한 방식은 현재 제공되고 있는 오브컴 저궤도 위성을 이용하여 두 개의 swath width과 선박의 수에 띠론 메시지 슬롯 할당과 reporting 간격을 고려한 메시지 충돌을 시뮬레이션 하였고, 해상 영역은 육상기지국 몇 해안에서 가까운 영역부터 먼 해상 영역으로 구분하여, 각 해상 영역에는 선박 A(속력 0-14 knots), 선박 B(속력 14-23 knots), 선박 C(속력 23 knots 이상)의 트래픽이 모두 존재 한다는 가정하에 시뮬레이션을 통해 성능 평가하였다. 그 결과 선박 수가 증가할수록 슬롯에 겹치는 메시지 수가 많았으며, 운항 속도별 reporting 간격의 경우 보고주기가 길수록, 선박 A의 트래픽이 높은 영역일수록 검출확률이 높아짐을 보였다. In this paper, the feasibility of ORBCOMM satellite-based automatic identification system (SAT-AIS) is evaluated in the context of ship AIS slot collision probability depending on reporting rate, We evaluate detection probability evaluation of ORBCOMM satellite-based AIS considering link budget, SOTDMA protocol and satellite's swath width. The simulation determines the total number of vessels served by ORBCOMM satellite according to satellite's swath width, AIS slot allocation and reporting rate. By simulation results, the ORBCOMM satellite-based AIS slot collision is increased directly proportional to the total number of vessels and the more detection probability evaluation of ORBCOMM satellite-based AIS degrader, the more sip AIS reporting rate shorter." @default.
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- W2009293722 date "2011-07-30" @default.
- W2009293722 modified "2023-09-27" @default.
- W2009293722 title "Detection Probability Evaluation of ORCOMM LEO Satellite AIS for Maritime-Terrestrial Integrated Wireless Communications" @default.
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- W2009293722 doi "https://doi.org/10.7840/kics.2011.36b.7.868" @default.
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