Abstract
Compass is the first satellite navigation system providing the triple-frequency service in the world, and its triple-frequency carrier phase observations have obvious advantages on high-precision RTK positioning. In order to verify the success rate and reliability of Beidou triple frequency ambiguity resolution, the high-precision RTK positioning has been performed for Beidou/GPS observations by using geometry mode and geometry-free ambiguity resolutions. The results showed that, (1) By using geometry ambiguity resolutions, the success rate and reliability of ambiguity resolution for Beidou single-frequency, dual-frequency and triple-frequency RTK positioning is much better than that of GPS. (2) The accuracy of triple-frequency RTK positioning can reached centimeter level by using geometry-free ambiguity resolutions, and the method is not limited to baseline length. (3) When Beidou/GPS are combined, the position accuracy, success rate and reliability will be improved obviously, especially when the elevation angle is high or the signal is shielded.
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Acknowledgments
This work is supported by the National Natural Science Funds of China (Grant Nos. 41020144004; 41104022), the National ‘‘863 Program’’ of China (Grant No: 2013AA122501) and the 2nd and 3rd China Satellite Navigation Conference (Grant Nos. CSNC2011-QY-13; CSNC2012-QY-3).
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Guo, H., Li, J., Xu, J., He, H., Wang, A. (2013). Performance of Triple-Frequency High-Precision RTK Positioning with Compass. 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_16
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DOI: https://doi.org/10.1007/978-3-642-37398-5_16
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