MOBILE TERMINAL DEVICE FOR POSITIONING SYSTEM BASED ON MAGNETIC FIELD MAP AND METHOD THEREOF
First Claim
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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Accused Products
Abstract
A mobile terminal device for a positioning system based on a magnetic field map and a method thereof, are provided. The mobile terminal includes a memory configured to store a magnetic field map including magnetic field values at positions. The mobile terminal further includes a magnetic field sensor configured to measure a magnetic field value at a position of the mobile terminal. The mobile terminal further includes an inertial measurement unit (IMU) sensor configured to measure an acceleration value and a gyro value of the mobile terminal. The mobile terminal further includes 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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Citations
20 Claims
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1. A mobile terminal for a magnetic field map-based positioning system, comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A positioning method for a magnetic field map-based positioning system, comprising:
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determining a magnetic field map comprising magnetic field values at positions; measuring a magnetic field value at a position of a mobile terminal; measuring an acceleration value and a gyro value of the mobile terminal; and determining the position of the mobile terminal based on the magnetic field map, the magnetic field value, the acceleration value, and the gyro value. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification