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MOBILE TERMINAL DEVICE FOR POSITIONING SYSTEM BASED ON MAGNETIC FIELD MAP AND METHOD THEREOF

  • US 20130150076A1
  • Filed: 11/20/2012
  • Published: 06/13/2013
  • Est. Priority Date: 12/07/2011
  • Status: Active Grant
First Claim
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1. A mobile terminal for a magnetic field map-based positioning system, comprising:

  • a memory configured to store a magnetic field map comprising magnetic field values at positions;

    a magnetic field sensor configured to measure a magnetic field value at a position of the mobile terminal;

    an inertial measurement unit (IMU) sensor configured to measure an acceleration value and a gyro value of the mobile terminal; and

    a processor configured to determine the position of the mobile terminal based on the magnetic field map, the magnetic field value, the acceleration value, and the gyro value.

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