Method and apparatus for location positioning in electronic device

  • US 9,268,026 B2
  • Filed: 02/13/2013
  • Issued: 02/23/2016
  • Est. Priority Date: 02/17/2012
  • Status: Active Grant
First Claim
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1. A positioning method of an electronic device which comprises a Global Navigation Satellite System (GNSS) or Global Positioning System (GPS), and an Inertial Navigation System (INS), comprising:

  • receiving a satellite signal through the GNSS;

    determining a location of the electronic device based on the satellite signal;

    determining a reliability of location information of the electronic device provided by the GNSS using at least one of satellite information of the satellite signal and location information based on the determined location of the electronic device;

    determining an operational level of the INS using the reliability of the location information of the electronic device; and

    compensating the location of the electronic device by operating the INS according to the determined operational level of the INS, wherein compensating further comprises;

    increasing an amount of power provided to at least one part of the INS responsive to detecting a reduction in the reliability of the location information.

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