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Method and apparatus for estimating behaviors of vehicle using GPS signals

  • US 20110093198A1
  • Filed: 12/20/2010
  • Published: 04/21/2011
  • Est. Priority Date: 07/26/2006
  • Status: Active Grant
First Claim
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1. A method of estimating a direction along which a vehicle runs, the method comprising steps of:

  • calculating speed vectors at two or more mutually-different positions of the vehicle, respectively, by using GPS (Global Positioning System) signals received by two or more GPS antennas located at the mutually different positions of the vehicle; and

    calculating the direction of the vehicle in a local geodetic coordinate by performing calculation based on a formula of;

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