Abstract
Compared with conventional RTK, Network RTK possesses the advantages of wide coverage, high real-time positioning accuracy, high reliability and etc., which becomes a hot spot in the field of high-precision positioning with its wide application range. The positioning principle of BDS/GPS Network RTK algorithm and the processing strategies of observation errors are explored, based on which, the resolution algorithm of integer ambiguities of double difference carrier phase between reference stations for BDS/GPS is researched. Then a high-precision BDS/GPS error processing model is established within the coverage range of reference stations. Further, the error processing of the mobile station is made by using the method of regional error correction between BDS/GPS reference stations. After that, the integer ambiguity resolution method of BDS/GPS carrier phase in mobile station is studied. Finally a set of BDS/GPS Network RTK data processing software is developed according to the algorithm proposed in this contribution, which is analyzed and verified with measured dual frequency observation data of BDS/GPS. The results show that the network RTK centimeter level positioning accuracy of BDS/GPS can be effectively achieved by the proposed algorithm.
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Acknowledgements
This contribution was supported by the National Natural Science Foundation of China (Grant No. 41774013 and 41504010).
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Ma, T., Zhao, C., Zhu, H. (2018). The Algorithm Research of BDS/GPS Network RTK Real-Time Positioning with Centimeter Level. In: Sun, J., Yang, C., Guo, S. (eds) China Satellite Navigation Conference (CSNC) 2018 Proceedings. CSNC 2018. Lecture Notes in Electrical Engineering, vol 498. Springer, Singapore. https://doi.org/10.1007/978-981-13-0014-1_54
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DOI: https://doi.org/10.1007/978-981-13-0014-1_54
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