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

Claim 0:
1. A location verification method for a smart city, comprising:
broadcasting, at a mobile communication device, a location verification request including a random number value on the mobile communication device, a mobility identification (ID), and a location verification request message after arriving at a destination;
generating, at a base station receiving the location verification request, a location verification message including at least one of the random number value on the mobile communication device and the mobility ID, a public key, GPS information of the base station, and a current time on the base station;
generating a signature value by signing the location verification message with a private key;
transmitting location verification information including the location verification message, the signature value, and the public key to the mobile communication device; and
performing, at the mobile communication device, a procedure of verifying a location of the mobile communication device, by checking a validity of the signature value using a public key matching the public key when the matching public key is present among pre-stored public keys, and checking the GPS information of the base station.