Geolocation of cellular phone using supervisory audio tone...
Geolocation of cellular phone using supervisory audio tone...
Geolocation techniques for an airborne cellular system
Geolocation using enhanced timing advance techniques
GIS data collection network
Global bidirectional locator beacon and emergency...
Global cell phone system and method for aircraft
Global dual terminal low earth orbit communications system
Global location registers in roaming cellular telephony
Global mobile paging system
Global mobile paging system
Global paging of mobile stations in a wireless network using...
Global positioning family radio service and apparatus
Global roaming services for telecommunications systems
Global roaming services for telecommunications systems
Global roaming services for telecommunications systems
Global telecommunications system with distributed virtual...
Global WiMAX device registry
Global wireless prepaid roaming
Globally optimized channel access for wireless networks