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:
Feb. 10, 2026
Filed:
Jan. 03, 2023
Honeywell International Inc., Charlotte, NC (US);
Karl Abraham Keyzer, Minneapolis, MN (US);
Benjamin Meier, Shakopee, MN (US);
Radek Baranek, Brno, CZ;
Radek Reznicek, Zahorovice, CZ;
Matej Kucera, Nova Hut, CZ;
Honeywell International Inc., Charlotte, NC (US);
Abstract
A method for detecting failure of multiple satellite signals comprises receiving satellite signals in a GNSS receiver; processing the satellite signals in a Kalman filter to produce a navigation solution and sub-solutions; and performing at least one of a residual monitoring process, or a state corrections monitoring process. In the residual monitoring process, for each sub-solution, expected and actual residuals are computed and compared to determine whether the actual residuals are greater than a threshold; multiple erroneous measurements are detected when at least one actual residual is greater than the threshold for each sub-solution. In the state corrections monitoring process, for each sub-solution, an expected and actual magnitude of state corrections are computed and compared to determine whether the actual magnitude of state corrections is greater than a threshold; multiple erroneous measurements are detected when the actual magnitude of state corrections is greater than the threshold for each sub-solution.