Patent ID: 7526293

Claim:
A method for locating mobile terminals having identifiers that are not known, said locating being performed irrespective if whether provision of the mobile terminals' location information is permitted, said method comprising the steps of: a) receiving a location request message, requesting location of mobile terminals located in a specific area, from an external location service client; b) determining an identifier of a base station covering the specific area and a list of cells of the specific area, in response to the location request message; c) confirming, by using a result of the determination, whether the mobile terminals located in a cell of the specific area are respectively connected to a network or are in an idle state, and calculating auxiliary location information for calculating locations of the mobile terminals, based on the determination result in step b); d) transmitting the auxiliary location information to the connected mobile terminals through a dedicated channel and broadcasting a message including the auxiliary location information to an idle mobile terminal; and e) receiving location calculation results of all mobile terminals that have received the auxiliary location information.