Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Gregory M. Gutt0
Christopher J. Martens0
Date of Patent
April 9, 2013
0Patent Application Number
126996790
Date Filed
February 3, 2010
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The disclosed method and system is used to determine the position of a user device. The user device can receive data signals and/or carrier signals from orbiting space vehicles. These data signals can be used for positioning calculation and/or track maintenance of the user device. The disclosed method and system can account for time and frequency biases of the user device. For the track maintenance, a Kalman filter state estimator can be extended to include a velocity of the user device.
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