A mobile terminal reports its position to the mobile communication network on a regular and unsolicited basis. Position reports are combined with data, such as channel quality measurements or packet data, that is otherwise being transmitted by the mobile terminal to the mobile communication network to...http://www.google.com.tw/patents/US6611688?utm_source=gb-gplus-share專利 US6611688 - Position reporting method for a mobile terminal in a mobile communication network
