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Assessment of the BeiDou Data Quality and the Positioning Performance: A Perspective from Bandung, Indonesia
摘要
As the new modernize Global Navigation Satellite System (GNSS), BeiDou Navigation Satellite System (BDS), with its unique constellation, is expected to enhance the positioning performance in Asian-Pacific, especially in Indonesia region. To assess the data quality and positioning performance of BeiDou in respect with GPS (Global Positioning System), an experimental network has established in Bandung, Indonesia using COMNAV T300 GNSS receivers. This research investigates the satellite visibilities, multipath, Signal to Noise Ratio (SNR), and positioning performance. Here are the results of the conducted experiment. It is shown that in every epoch, at least ten satellites are visible. The SNR for B1, B2, and B3 vary from 40 to 50 dB Hz, the multipath variation of GEOs (Geostationary Earth Orbit Satellites) varies within ～1 m, while the multipath variation of IGSOs (Inclined Geosynchronous Orbit Satellites) and MEOs (Medium Earth Orbit Satellites) vary larger than GEOs'. In addition, BeiDou system improves the precision on absolute positioning, as well as the relative positioning. However, there was a west shifting tendencies of BDS estimated position in respect with GPS positioning on the absolute positioning.
被引用紀錄
延伸閱讀
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