Abstract
BeiDou Navigation Satellite System (BDS), currently including valid 14 in-orbit satellites-5GEOs, 5IGSOs and 4MEOs, had provided formal operation service in the late of 2012. Different type BeiDou satellite’s Signal-In-Space Range Errors (SISRE) calculation formulation is derived in this paper according to navigation satellite’s Signal-In-Space Range Errors definition. SISRE of Different type BeiDou satellites are assessed and analyzed on the basis of this SISRE calculation formulation by using broadcast ephemeris data and precise orbit products from January to October, 2012 (day of year 001–303, 2012). The results show: the broadcast ephemeris orbit accuracy of BeiDou system non-GEO satellites is better than GEO satellites; the accuracy of BeiDou satellites broadcast ephemeris orbit errors in radial direction, GEO is better than 1.5 m and non-GEO is better than 1.0 m, is the best; the average of GEO satellites rms Signal-In-Space Range errors including orbit errors only is better than 2.0 m, while non-GEOs is better than 0.8 m.
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Acknowledgments
The author is grateful for receiving the support from China Satellite Navigation Conference 2012 youth outstanding papers found (CSNC2012-QY-4) project and the help and guidance from Doctor Jiao Wenhai coming from Chinese Satellite Navigation Office. The author is also thankful for BeiDou precise ephemeris products provided iGMAS Data and Analysis Center-Wuhan University.
Funding Information: China Satellite Navigation Conference 2012 youth outstanding papers found project (CSNC2012-QY-4).
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Chen, L. et al. (2013). Study on Signal-In-Space Errors Calculation Method and Statistical Characterization of BeiDou Navigation Satellite System. In: Sun, J., Jiao, W., Wu, H., Shi, C. (eds) China Satellite Navigation Conference (CSNC) 2013 Proceedings. Lecture Notes in Electrical Engineering, vol 243. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-37398-5_39
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DOI: https://doi.org/10.1007/978-3-642-37398-5_39
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