The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 19, 2016
Filed:
Jul. 30, 2013
Thales, Neuilly-sur-Seine, FR;
Gonzague Bertin De La Hautiere, Toulouse, FR;
Nidhal Dahman, Toulouse, FR;
THALES, Courbevoie, FR;
Abstract
A method of monitoring the integrity of stations for observing radio-navigation signals in a satellite based augmentation system SBAS comprises: defining a geographical zone comprising a plurality of observation stations, calculating, for each observation station of the zone and for each line of sight between the station and a satellite, the discrepancy between the theoretical pseudo-distance D and the measured pseudo-distance D', calculating the average m of the discrepancies D−D′ over the zone for at least one satellite in visibility of the zone, validating the integrity of at least one observation station of the zone if the discrepancy, for the station and for at least one line of sight between the station and a satellite, is less than or equal to the average that is multiplied by a predetermined exclusion threshold, and excluding this observation station in the converse case.