Method for checking the integrity of satellite measurements

摘要

The invention relates to a method for checking the integrity of a primary set of measurements obtained from navigation signals transmitted by satellites and supplied to an integrity control device comprising a plurality of Kalman filters, the method comprising the steps of defining, for each Kalman filter, a secondary set of measurements contained in the primary set, calculated by each Kalman filter of a navigation solution from a respective secondary set of measurements, the method characterized in that the definition of the secondary sets follows the following principles: each measure contained in the primary set is present in at least one of the secondary sets, for each p-tuple of measurements of the primary set, p being an integer predetermined value greater than 1, at least one of the secondary sets does not contain said tuple of measurements, for each secondary set, at least one p-tuples is excluded from said secondary set, and in that it further comprises the steps of: detecting, for each navigation solution, at most p defective measures not present in the secondary set from which the navigation solution is developed, and reporting of at most p defective satellites in the primary set from the respective results of the detections.