Patent ID: 8594003

Claim:
A method for estimating a location of a mobile device located in means of transportation, the method comprising: developing a first database by linking identification (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 which allows access to a wireless wide area network (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 information and timetable information; developing a third database by linking ID information of a stop station of the means of transportation with ID information of an AP installed at the stop station, the AP being a stationary AP which allows access to a wired/wireless network through WiFi; 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; extracting the ID information of the stop station of the means of transportation in which the mobile device is located using the acquired WiFi reception information and the third database; and estimating a location of the mobile device using the extracted ID information of the means of transportation, the extracted ID information of the stop station, and the second database.