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Communication Dans Un Congrès Année : 2021

Feasibility Analysis of GBAS/INS and RRAIM Integration for Surface Movement Operation


Surface movement indicates all operations on the surface of the airport before take-off and after landing. Current airplane operation at the airport relies on good visibility in a sense that the pilots follow signs and lights which guide the way from the runway to the gate area. In addition, pilots rely on the reports and commands from the airport traffic control tower, which are partly based on the visual inspection of the status of the airport. In this regard, low visibility which are caused by a foggy weather or snowstorms could lead to flight disruptions at the airport. To avoid such flight disruptions, accurate and reliable location is desired for the service continuity at the airport in all-weather condition. The critical error source on the surface at the airport is known to be a multipath error which could be caused by the reflection of the signals by the ground, parked airplanes and surrounding buildings at the airport. The multipath error is expected to be larger near the gate area than the runway or taxiways since the density of surrounding objects is likely high near the gate area. This paper proposes to use carrier phase-based algorithm to avoid the impact of the multipath error because carrier phase measurement is less susceptible to multipath. The performances of the GNSS/INS with the Ground-Based Augmentation System (GBAS) correction and Relative Receiver Autonomous Integrity Monitoring (RRAIM) are accessed for each phase of surface movement with respect to the requirement on 95% Navigation System Error (NSE) and integrity risk. Different GBAS service types are considered for the compliance to the requirement. As a result, GBAS Service Type (GAST) D and F are recommended for the RRAIM with a coasting time less than 180 seconds and GAST F is recommended for a coasting time larger than 180 seconds.
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Dates et versions

hal-03679013 , version 1 (25-05-2022)



Junesol Song, Carl Milner, Christophe Macabiau, Heekwon No, Philippe Estival. Feasibility Analysis of GBAS/INS and RRAIM Integration for Surface Movement Operation. 34th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2021), Sep 2021, St. Louis, United States. pp.1469-1480, ⟨10.33012/2021.18158⟩. ⟨hal-03679013⟩
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