LDACS APNT Service Area Analysis with Barometric Altimeter Augmentation and Ground Station Selection Constraints

Gianluca Zampieri, Gary A. McGraw, Okuary Osechas, Brandon Weaver, Michael Meurer

Abstract: This paper examines the performance of the latest LDACS Alternative PNT architecture considering barometric altimeter integration and station selection constrains. The information provided by the altimeter is used to improve the geometry of the navigation problem, while station selection is used to represent resource limitations in the airborne receiver. The paper focuses on both the theoretical formulation and the simulation results. The simulation is performed starting from the latest architecture which includes the reverse link power control mechanism and the three positioning modes (pseudoranging, two-way timing and ranging, and their hybrid combination). Two main results are presented and discussed: first, a comparison between the three positioning modes with and without altimeter integration and second a sensitivity analysis with respect to the altimeter error budget sigma_baro.
Published in: Proceedings of the 36th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2023)
September 11 - 15, 2023
Hyatt Regency Denver
Denver, Colorado
Pages: 727 - 738
Cite this article: Zampieri, Gianluca, McGraw, Gary A., Osechas, Okuary, Weaver, Brandon, Meurer, Michael, "LDACS APNT Service Area Analysis with Barometric Altimeter Augmentation and Ground Station Selection Constraints," Proceedings of the 36th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2023), Denver, Colorado, September 2023, pp. 727-738. https://doi.org/10.33012/2023.19230
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