A method and system for location-determination of a mobile comprising of a receiver with a variable processor gain of up to 45.15 dB for detecting signals transmitted from transmitters that at a farther distance as well as from transmitters that are situated in sparsely populated areas. The system also...http://www.google.fr/patents/US6876325?utm_source=gb-gplus-shareBrevet US6876325 - System and method for location-finding using communication signals
System and method for location-finding using communication signals