Abstract
Ionospheric correlation models are needed for ionospheric grid-based augmentation system development and its rigorous integrity performance requirement. 0th and 1st order ionospheric correlation function was established for China area, and analyzed for various ionospheric conditions. It is shown that the ionospheric delay difference does not vary linearly with the distance, and the residual ionospheric error after the planar fitting of grid model is not a constant as well. These models are different from that of WAAS or EGNOS, which covers the middle latitude area. These China area ionosphere specific characteristics should be taken into account for the regional augmentation system development.
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Acknowledgments
This work is sponsored by the International Technological Cooperation Projects (No.2011DFA22270) and the National High Technology Research and Development Program (863 Program) of China (No.2011AA120503).
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Liu, D., Chen, L., Zhen, W. (2013). Ionospheric Spatial Correlation Analysis for China Area. In: Sun, J., Jiao, W., Wu, H., Shi, C. (eds) China Satellite Navigation Conference (CSNC) 2013 Proceedings. Lecture Notes in Electrical Engineering, vol 244. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-37404-3_14
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DOI: https://doi.org/10.1007/978-3-642-37404-3_14
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