Abstract
With update of GPS modern and building of Galileo, the interference between the two systems was avoidable. The international traditional interference methodology was given. The more accurate signal model was derived, considering true pseudo random code and data rate. The effects of different signal parameters onto Spectral Separation Coefficient (SSC) were not the same. By the way of simulation, it was concluded that the effect of signal with short code and low data rate onto SSC was obvious, and the effects of signals from different satellites with same modulation onto SSC were almost identical. Finally, the interference in L1 between GPS and Galileo in china region was simulated. And the results showed that the major interference was GPS intrasystem interference in the case of receiving GPS C/A signals, meanwhile maximum quantity was 2.637 dB; the major interference was the one from GPS C/A signals in the case of receiving Galileo E1 OS signals, meanwhile maximum quantity was 0.348 dB.
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Acknowledgments
This work was supported by a grant to “Intelligent navigation and rescue terminals and their regional application” (2011AA120502) from the National Key Technology R&D Program during the twelfth five-year plan.
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Wang, Y., Zhang, B., Luo, X., Xie, J. (2012). Interference Analysis and Simulation Between GPS and Galileo in China. In: Sun, J., Liu, J., Yang, Y., Fan, S. (eds) China Satellite Navigation Conference (CSNC) 2012 Proceedings. Lecture Notes in Electrical Engineering, vol 160. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-29175-3_4
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DOI: https://doi.org/10.1007/978-3-642-29175-3_4
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