HYBRID LOCATING METHOD AND SYSTEM FOR LOCATING A MOBILE TERMINAL IN A WIRELESS COMMUNICATIONS NETWORK

摘要

Method of hybrid location in a wireless system (1) including a terminal (2) having both a satellite receiving section (11) and a cellular receiving section (10) operating according to at least a first and a second locating mode; a locating center (3) having a position calculation module (20); and a wireless communication channel (4) between said terminal and said locating center. The server performs the steps of: receiving (50) a locating request; analyzing (60) available resources and locating requirements associated with the locating request; selecting (65b) at least one locating mode according to the locating requirements and the available resources; setting (65c) instructions including locating measures to be acquired and response triggering conditions; sending (70) the instructions to the terminal (2) through the wireless communication channel (4); receiving (75) acquired locating measures from the terminal (2); and calculating (85) a position information from the locating measures.