Patents Examined by Behrang Bandii
  • Ins based GPS carrier phase cycle slip detection and repairing
    Patent number: 8170796
    Abstract: An apparatus comprising a position system configured to determine a global positioning (GPS) change vector, and an inertial navigation system (INS) change vector. The position system is configured to determine a relative position between a first platform and a second platform based on the GPS change vector and the INS change vector, and the position system is configured to correct a GPS position calculation error based on the GPS change vector and the INS change vector.
    Type: Grant
    Filed: May 20, 2009
    Date of Patent: May 1, 2012
    Assignee: Northrop Grumman Guidance and Electronics Company, Inc.
    Inventors: Gang Kevin Liu, Robert John Buchler