Patent ID: 11889384
Assignee: INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 7:
8. A location verification method for a smart city, comprising:
setting, at a base station, an address ID capable of identifying the base station; and
receiving, at the base station, a private key issued for the address ID,
after the setting and the receiving, broadcasting, at the base station, location verification information including at least one of a location verification message, an address ID, and a signature value;
receiving, at a mobile communication device moving to a specific destination, the location verification information from the base station located at the destination; and
verifying, at the mobile communication device, a current location of the mobile communication device by checking the location verification information based on the address ID corresponding to the destination and the signature value,
wherein the location verification message includes GPS information of the base station, a current time on the base station, and the address ID,
wherein, in the broadcasting of the location verification information, the base station generates the signature value by signing the GPS information of the base station and the current time on the base station with the private key.