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논문 기본 정보

자료유형
학술저널
저자정보
심우성 (한국해양과학기술원 선박해양플랜트연구소) 김부영 (선박해양플랜트연구소) 박찬용 (공공망운영센터, Korea Telecom(KT)) 이병혁 (공공망운영센터, Korea Telecom(KT))
저널정보
한국항해항만학회 한국항해항만학회지 한국항해항만학회지 제45권 제5호
발행연도
2021.10
수록면
231 - 237 (7page)

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Enhancing the performance of maritime wireless communication has been highlighted by the issue of cell planning in the sea area because of lack of an appropriate Propagation Loss Model (PLM). To resolve the cell planning issue in vast sea areas, it was essential to develop the (PLM) matching the intended sea area. However, there were considerable gaps between the prediction of legacy PLMs and field measurement in propagation loss and there was a need to develop the adjusted PLM (A-PLM). Therefore, cell planning was performed on this adjusted model, including modification of the base station’s location, altitude, and antenna azimuth to meet the quality objectives. Furthermore, in order to verify the availability of the cell planning, Communication Service Quality Monitoring System (CS-QMS) was developed in the LTE-Maritime project to collect LTE signal quality information from the onboard equipment at regular intervals and to ensure that the service quality was high enough to satisfy the goals in each designated grid. As a result of verification, the success rate of RSRP was 95.7% for the intensive management zone (IMZ) and 96.4% for the interested zone (IZ), respectively.

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