Mitigation of Scintillation-Induced Cycle Slips Using Backpropagation

Brian Breitsch and Jade Morton

Peer Reviewed

Abstract:	Measurements of signals from GNSS satellites are an important tool not only for precision navigation and timing applications, but also for various scientific and remote-sensing applications such as ionosphere monitoring and atmosphere probing using radio occultation. When traveling through turbulent patches of Earth’s ionosphere, these signals can experience scintillation, which is characterized by rapid fluctuations in the amplitude and phase of the received signal. Along with these fluctuations, the signal can undergo phase transitions that induce cycle slips in the resulting phase measurement. When left uncorrected, cycle slips can lead to large errors in positioning and remote-sensing applications. In this work, we look at how the technique of backpropagation based on a single-phase-screen model of the ionosphere can help mitigate the occurrence of these cycle slips.
Published in:	Proceedings of the 34th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2021) September 20 - 24, 2021 Union Station Hotel St. Louis, Missouri
Pages:	3824 - 3832
Cite this article:	Updated citation: Published in NAVIGATION: Journal of the Institute of Navigation
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