Abstract
Ionospheric error is one of the main error sources in satellite navigation systems and ionospheric error correction precision directly affects the positioning accuracy. The influence of ionosphere on pseudorange and phase measurements is analyzed in this paper. And the commonly used ionospheric delay correction methods for different users in the application are then listed. Furthermore, the characteristics of different ionospheric models broadcasted by different satellite navigation systems are then analyzed. By using real measurements, the ionospheric model of COMPASS in mid-latitude is compared with dual-frequency ionospheric correction values and the GIM ionospheric correction values. Real data analysis shows that Compass 1 and Compass 2 models accord with the GIM model of CODE better. Statistical results of one day data indicates that RMS of Compass model is within 3 m.
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© 2012 Springer-Verlag GmbH Berlin Heidelberg
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Bi, J., Tang, Y., Wu, X., Cao, J., Ma, M. (2012). Evaluation of Ionospheric Correction Models in the Middle Latitude. In: Sun, J., Liu, J., Yang, Y., Fan, S. (eds) China Satellite Navigation Conference (CSNC) 2012 Proceedings. Lecture Notes in Electrical Engineering, vol 159. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-29187-6_43
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DOI: https://doi.org/10.1007/978-3-642-29187-6_43
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