PROTECTION SYSTEM FOR LOCATION INFORMATION OF MOBILE TERMINAL, MOBILE TERMINAL IN PROTECTION SYSTEM OF LOCATION INFORMATION AND PROTECTION METHOD FOR LOCATION INFORMATION IN LBS SYSTEM

摘要

A location information protection system (100) for a mobile terminal according to the present invention includes an anonymizing server (120) which removes the identification information of the mobile terminal (110) by receiving the location information of the mobile terminal (110, i) and generates a clocking region (CRi) corresponding to the location of the mobile terminal (110), the mobile terminal (110) which transmits location information which is out of initial location information and when the mobile terminal is out of the clocking region (CRi) to the anonymizing server (120), and an LBS providing server (130) which receives the clocking region (CRi) from the anonymizing server (120).