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Published in:
2020 | OriginalPaper | Chapter
Simulation Analysis of LEO Satellite Navigation-Augmented Property Based on Beidou-3
Authors : Dixing Wang, Xiaolin Jia, Jiangwei Li
Published in: China Satellite Navigation Conference (CSNC) 2020 Proceedings: Volume III
Publisher: Springer Singapore
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Abstract
Low Earth orbit (LEO) satellites have unique advantages in navigation enhancement due to their high signal strength and rapid geometric changes, has become a hot spot in the field of satellite navigation. Firstly, based on the Beidou-3 satellite constellation, this paper designs a low-orbit satellite constellation to enhance navigation in specific areas, and uses the satellite visibility and DOP value of this constellation to analyze the enhancement effect on the Beidou-3 navigation satellite. Then the pseudo-range and carrier observation values of LEO satellites are simulated, and the observation values are used for precise point positioning, further analyzing the enhancement effect on positioning results after adding LEO satellites. The results show that the LEO satellite constellation designed in this paper can significantly improve the constellation configuration of Beidou-3 satellite, and the convergence time of precise positioning calculated based on simulation data has been significantly improved.