Patent ID: 8874128

Claim:
A method for detecting a location of a mobile communication terminal, comprising: setting a mobile communication network for communication with the mobile communication terminal and a cell identifier (ID) of a base station and storing a public land mobile network (PLMN) ID of the mobile communication network and the cell ID; searching for one or more mobile communication networks other than the set mobile communication network; sequentially setting, when the one or more other mobile communication networks are searched for, the searched one or more other mobile communication networks, searching for cell information according to the set one or more other mobile communication networks, setting cell IDs of base stations communicable with the mobile communication terminal, and storing PLMN IDs of the set one or more other mobile communication networks and the set cell IDs; and determining a common area between areas of a plurality of cells set using the stored PLMN ID and cell IDs and detecting information about the common area as location information of the mobile communication terminal.