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Map-based adaptive sampling of orientation sensors for positioning

  • US 9,161,172 B2
  • Filed: 11/06/2012
  • Issued: 10/13/2015
  • Est. Priority Date: 11/06/2012
  • Status: Active Grant
First Claim
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1. A method for adaptively adjusting orientation sensor sampling of a mobile device in a positioning system, the method comprising:

  • determining a location of the mobile device;

    determining a direction in which the mobile device moves;

    determining an expected change in movement based on;

    the determined location, andthe determined direction; and

    adjusting, with a processing unit, a sampling rate of at least one orientation sensor of the mobile device based on the expected change in movement.

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