The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 26, 2013
Filed:
Apr. 22, 2011
Dong-soo Han, Daejeon, KR;
In-je Lee, Jeonju-si, KR;
Jong-young Koo, Chungcheongnam-do, KR;
Visoft Ltd., Daejeon, KR;
Kaist, Daejeon, KR;
Abstract
A method for estimating a location of a mobile device located in means of transportation is provided. The method includes: developing a first database by linking ID information of the means of transportation with ID information of an access point (AP) installed in the means of transportation, the AP being a mobile AP allowing access to a wireless WAN through WiFi; developing a second database by linking ID information of the means of transportation with service information of the means of transportation, the service information including route and timetable information; acquiring WiFi reception information generated by the mobile device equipped with a WiFi module, the WiFi reception information including ID information of an AP transmitting a WiFi signal; extracting the ID information of the means of transportation in which the mobile device is located using the acquired WiFi reception information and the first database; and estimating a location of the mobile device using the extracted ID information of the means of transportation and the second database.