Abstract
BeiDou Navigation Satellite System (BDS) can provide regional services at present. Its ground segments are mostly within the territory of china which leads to the lack of whole arc monitoring for some satellites. In order to reflect the influence of BDS’s mixed constellation (GEO + IGSO + MEO) and the exploration of broadcast ephemeris due to lack of whole arc monitoring, the paper conducted the URE evaluation of BDS constellation based on the constrained condition of Age of Data (AOD). The paper got the URE features of single satellite by analyzing the probability statistics characteristics under AOD, and then evaluated the constellation’s URE based on the weight conducted from the above. The verification of the method was done by the real data.
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Acknowledgments
Thanks for the support of The National Natural Science Fund (41174026), Open fund of State key lab in geodetic and earth dynamics (SKLGED 2014-3-5-E) and the data from MGEX.
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Che, T., Zhang, C., Yang, L., Feng, W. (2016). A BDS Constellation URE Evaluation Method Based on the Probability Statistics Characteristics Under AOD. In: Sun, J., Liu, J., Fan, S., Wang, F. (eds) China Satellite Navigation Conference (CSNC) 2016 Proceedings: Volume I. Lecture Notes in Electrical Engineering, vol 388. Springer, Singapore. https://doi.org/10.1007/978-981-10-0934-1_41
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DOI: https://doi.org/10.1007/978-981-10-0934-1_41
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