|Abstract:||Global Positioning System (GPS) surface reflected signals have previously been studied for aircraft passive bistatic altimetry and remote sensing. In this research, GPS reflected measurements from a software-defined receiver (SDR) are used for aircraft passive bistatic altimetry and coasting with a Stable Frequency Reference (SFR) to continue navigation when only two GPS satellites are available. The research in this paper focuses on flights over water, a scenario in which the water causes strong reflected signals while alternate terrestrial radio navigation signals are generally not available. Theoretical clock and position error covariances are derived as a function of measurement error, satellite geometry, SFR stability, and GPS bistatic altimetry performance. This is followed by computer simulations and evaluations using flight test data to characterize the positioning performance.|
|Published in:||NAVIGATION, Journal of the Institute of Navigation, Volume 63, Number 4|
|Pages:||413 - 426|
|Cite this article:||
Yen, Shih-Wei, van Graas, Frank, de Haag, Maarten Uijt, Li, Kuangmin, "Performance of Two-satellite Aircraft Positioning using Passive Bistatic Altimetry and a Stable Frequency Reference", NAVIGATION, Journal of The Institute of Navigation, Vol. 63, No. 4,
2016, pp. 413-426.
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