The invention relates to a method for locating mobile stations in a digital telecommunication network, especially the GSM network. According to the invention, reference measurements are carried out on relevant traffic routes with the aid of a measuring mobile in order to provide position information...http://www.google.com.hk/patents/US5564079?utm_source=gb-gplus-share專利 US5564079 - Method for locating mobile stations in a digital telephone network
