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Method for accelerometer-assisted navigation

  • US 10,209,077 B2
  • Filed: 07/18/2017
  • Issued: 02/19/2019
  • Est. Priority Date: 08/20/2015
  • Status: Active Grant
First Claim
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1. A method for primarily sensor-based navigation of a vehicle on a road surface, the method comprising:

  • in a first time period, collecting geophysical position data using a GPS receiver of a navigation device;

    in the first time period, collecting a first set of supplementary data using a supplementary sensor of the navigation device;

    determining a first set of vertical vehicular motion data based on the first set of supplementary data;

    generating a mapping association between the first set of vertical vehicular motion data and the geophysical position data;

    in a second time period after the first time period, collecting a second set of supplementary data using the supplementary sensor;

    determining a second set of vertical vehicular motion data based on the second set of supplementary data; and

    determining an estimated location of the vehicle based on the second set of vertical vehicular motion data and the mapping association.

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