Availability Assessment of GPS Augmentation System Using Geostationary Satellite and QZSS in Seoul Urban Area
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 an...
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| Veröffentlicht in: | TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES 2009, Vol.52(177), pp.152-158 |
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| container_title | TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES |
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| creator | YOO, Kyungho SUNG, Sangkyung LEE, Eunsung LEE, Sanguk KIM, Jaehoon LEE, Ho-Jin LEE, Young Jae |
| description | 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. |
| doi_str_mv | 10.2322/tjsass.52.152 |
| format | Article |
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| language | eng |
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| source | J-STAGE Free; EZB-FREE-00999 freely available EZB journals |
| subjects | 3D GIS Map Geostationary Satellite GPS QZSS |
| title | Availability Assessment of GPS Augmentation System Using Geostationary Satellite and QZSS in Seoul Urban Area |
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