Availability Assessment of GPS Augmentation System Using Geostationary Satellite and QZSS in Seoul Urban Area
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概要
- 論文の詳細を見る
Today Global Navigation Satellite Systems (GNSS) are widely used for determining position. Within the city environment, however, in which there are many tall buildings, GNSS signals are frequently interrupted, making it difficult for users to obtain information on their exact position. This paper analyzed the availability and positioning performance of a GPS augmented system within the Seoul urban area using the Japanese QZSS (Quasi-Zenith Satellite System) and a geostationary satellite. A 3-dimensional reproduction of Seoul that was based on the 3D GIS (Geographic Information System) Digital Map and a satellite tracking algorithm using Ray-Triangle Intersection algorithm were discussed. A satellite tracking algorithm was verified through filed testing and the QZSS orbit simulator was realized using Keplerian parameter. DOP (Dilution of Precision) and availability in the urban area of Seoul were analyzed using a GPS/QZSS/geostationary satellite separately and simultaneously.
- 社団法人 日本航空宇宙学会の論文
- 2009-11-04
著者
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Lee Ho-jin
Electronics And Telecommunications Research Institute (etri)
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Kim Jaehoon
Electronics and Telecommunications Research Institute
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Lee Young
Department Of Aerospace Information Engineering The Konkuk University
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Lee Sanguk
Electronics And Telecommunications Research Institute (etri)
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Lee Sanguk
Electronics And Telecommunications Res. Inst. Daejeon Kor
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Kim Jaehoon
Electronics And Telecommunications Research Institute (etri)
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Lee Eunsung
Korea Aerospace Research Institute (kari)
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YOO Kyungho
Department of Aerospace Information Engineering, The Konkuk University
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SUNG Sangkyung
Department of Aerospace Information Engineering, The Konkuk University
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Yoo Kyungho
Department Of Aerospace Information Engineering The Konkuk University
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Sung Sangkyung
Department Of Aerospace Information Engineering The Konkuk University
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