A hybrid wireless location system and method is disclosed for locating mobile stations (MSs). Multiple wireless location techniques (FOMs) are provided for MS location. One or more FOMs can be activated in various combinations (serially or parallelly) for outputting one or more MS location estimates...http://www.google.fr/patents/US7764231?utm_source=gb-gplus-shareBrevet US7764231 - Wireless location using multiple mobile station location techniques
Wireless location using multiple mobile station location techniques