System architecture-based design methodology for monitoring the ground-based augmentation system: Category I – Integrity risk

Elias, Paulo; Saotome, Osamu

doi:10.5028/jatm.2012.04025611

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Protection Levels Alert Limits and Position Errors1

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2018

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“…In the above set of equations is not included the vertical protection level under a single-satellite (satellite i) ephemeris fault, however it is considered in the computations. Failures of the hypothesis H 1 [10] are not relevant to excluding geometries [11].…”

Section: Protection Levels Alert Limits and Position Errorsmentioning

confidence: 99%

Excluding Ionospherically Unsafe Satellite Geometries in GBAS CAT-I

Bria

Giacomantone

Lorenti

2018

Communications in Computer and Information Science

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Abstract. We show the results of the implementation of a preliminary algorithm for excluding ionospherically unsafe satellite geometries in Ground-Based Augmentation Systems Category I. Minimum knowledge of the ionospheric treat model is assumed and the assistance of the code-carrier divergence monitor is not considered. All the satellites in view above 5• in elevation are included in the computations. The inflation of the standard deviation of the vertical ionospheric gradient implements the exclusion. Full availability remains for a typical day in the site of La Plata Airport.

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Section: Protection Levels Alert Limits and Position Errorsmentioning

confidence: 99%