APPARATUS AND METHOD FOR ESTIMATING LOCATION, ELECTRONIC APPARATUS COMPRISING THE APPARATUS
First Claim
1. A location estimating apparatus which estimates a location of an electronic apparatus, the apparatus comprising:
- a distance calculating unit which calculates a distance from an AP using a strength (RSSI) of an AP signal which is received from the AP;
an azimuth calculating unit which calculates an azimuth of the AP with respect to a reference direction using an entrance angle of the AP signal;
a position information acquiring unit which acquires position information of the AP from the AP signal;
a correction information generating unit which generates correction information based on detection information for movement of the electronic apparatus; and
a position information generating unit which generates position information of the electronic apparatus using the distance from the AP and the azimuth based on the position information of the AP and corrects the position information of the electronic apparatus using the correction information.
1 Assignment
0 Petitions
Accused Products
Abstract
A location estimating apparatus according to an exemplary embodiment of the present invention is a location estimating apparatus which estimates a position of an electronic apparatus, including a distance calculating unit which calculates a distance from an AP using a strength (RSSI) of an AP signal which is received from the AP; an azimuth calculating unit which calculates an azimuth of the AP with respect to a reference direction using an entrance angle of the AP signal; a position information acquiring unit which acquires position information of the AP from the AP signal; a correction information generating unit which generates correction information based on detection information for movement of the electronic apparatus; and a position information generating unit which generates position information of the electronic apparatus using the distance from the AP and the azimuth based on the position information of the AP and corrects the position information of the electronic apparatus using the correction information.
20 Citations
14 Claims
-
1. A location estimating apparatus which estimates a location of an electronic apparatus, the apparatus comprising:
-
a distance calculating unit which calculates a distance from an AP using a strength (RSSI) of an AP signal which is received from the AP; an azimuth calculating unit which calculates an azimuth of the AP with respect to a reference direction using an entrance angle of the AP signal; a position information acquiring unit which acquires position information of the AP from the AP signal; a correction information generating unit which generates correction information based on detection information for movement of the electronic apparatus; and a position information generating unit which generates position information of the electronic apparatus using the distance from the AP and the azimuth based on the position information of the AP and corrects the position information of the electronic apparatus using the correction information. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
-
8. A location estimating method which estimates a location of an electronic apparatus, the method comprising:
-
calculating a distance from an AP using a strength (RSSI) of an AP signal which is received from the AP; calculating an azimuth of the AP with respect to a reference direction using an entrance angle of the AP signal; acquiring position information of the AP from the AP signal; generating correction information based on detection information for movement of the electronic apparatus; generating position information of the electronic apparatus using the distance from the AP and the azimuth based on the position information of the AP; and correcting the position information of the electronic apparatus using the correction information.
-
-
9. An electronic apparatus, comprising:
-
a receiving unit which receives an AP signal from an AP; an INS sensor which detects movement of the electronic apparatus to generate detection information; and a location estimating unit which calculates a distance between the electronic apparatus and the AP using a strength (RSSI) of the AP signal, calculates an azimuth of the AP with respect to a reference direction using an entrance angle of the AP signal, generates the position information of the electronic apparatus using the distance and the azimuth based on the position information of the AP which is acquired from the AP signal, and corrects the estimated position information of the electronic apparatus using the correction information which is generated based on the detection information. - View Dependent Claims (10, 11, 12, 13)
-
-
14. A location estimating apparatus which estimates a location of an electronic apparatus, the apparatus comprising:
-
a distance calculating unit which calculates a distance from an AP using a strength (RSSI) of an AP signal which is received from the AP; an azimuth calculating unit which calculates an azimuth of the AP with respect to a reference direction using an entrance angle of the AP signal; a position information acquiring unit which acquires position information of the AP from the AP signal; a position information generating unit which generates position information of the electronic apparatus using the distance from the AP and the azimuth based on the position information of the AP.
-
Specification