METHOD FOR PROVIDING RELIABILITY OF RECKONING LOCATION AND MOBILE TERMINAL THEREFOR
First Claim
1. A method for providing reliability of a reckoning location, the method comprising:
- reckoning by a controller a location using speed and direction information input from a sensor unit when a satellite signal intensity of Global Positioning System (GPS) satellite information received by a GPS receiving unit is less than a first threshold value;
calculating by the controller a moving distance using the reckoning location for a time of the reckoning location;
evaluating by the controller a reliability of the reckoning location according to the moving distance; and
providing by the controller the reckoning location and the reliability to a location information utility unit, and determining by the location information utility unit whether to utilize the reckoning location according to the evaluated reliability.
1 Assignment
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Accused Products
Abstract
Disclosed are method and apparatus for evaluating reliability of reckoning location information and providing reliability information. A mobile terminal implementing the method provides a user with a handheld device to provide accurate location information. The method for providing reliability of a reckoning location preferably includes: reckoning a location using speed and direction information input from a sensor unit when satellite signal intensity of GPS satellite information is less than a first threshold value; calculating a moving distance using the reckoning location for a reckoned time of the location; evaluating the reliability of the reckoning location according to the moving distance; and providing the reckoning location and the reliability to a location information utility unit such that the location information utility unit determines presence of utility of the reckoning location according to the reliability.
8 Citations
18 Claims
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1. A method for providing reliability of a reckoning location, the method comprising:
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reckoning by a controller a location using speed and direction information input from a sensor unit when a satellite signal intensity of Global Positioning System (GPS) satellite information received by a GPS receiving unit is less than a first threshold value; calculating by the controller a moving distance using the reckoning location for a time of the reckoning location; evaluating by the controller a reliability of the reckoning location according to the moving distance; and providing by the controller the reckoning location and the reliability to a location information utility unit, and determining by the location information utility unit whether to utilize the reckoning location according to the evaluated reliability. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for providing reliability of a reckoning location, the method comprising:
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reckoning a location by a controller using speed and direction information input from a sensor unit when satellite signal intensity of Global Positioning System (GPS) satellite information received by a GPS receiving unit is less than a first threshold value; calculating a displacement for a time of the reckoning location; evaluating by the controller a reliability of the reckoning location according to the calculated displacement; and providing the reckoning location and the reliability to a location information utility unit, and determining by the location information utility unit whether to utilize the reckoning location according to the evaluated reliability. - View Dependent Claims (8, 9, 10, 11)
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12. A mobile terminal comprising:
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a Global Positioning System (GPS) receiving unit for receiving a GPS satellite signal; a sensor unit measuring speed and a direction of a mobile terminal; a location calculating unit for reckoning a location using the speed and direction information measured by the sensor unit when an intensity of the GPS satellite signal received from the GPS receiving unit is less than a first threshold value; a reliability evaluator for evaluating reliability of the location reckoned by the location calculating unit; and an information providing unit for providing the reckoning location and the reliability to a location information utility unit in which the location information utility unit determines whether or not to utilize the reckoning location according to the evaluated reliability of the location reckoned by the location calculating unit. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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Specification