U-TDOA

AcronymDefinition
U-TDOAUplink Time Difference of Arrival (mobile phone location technology)
References in periodicals archive ?
E-OTD (Enhanced Observed Time Difference) standard hybrid method for GSM conceptually, method is similar to U-TDOA.
Because the TruePosition LMU-Universal is so sensitive, TruePosition U-TDOA is able to work indoors and in dense urban environments with tall buildings where GPS performance is limited.
Because the solution is highly sensitive, TruePosition U-TDOA is able to work indoors and in dense urban environments with tall buildings where GPS performance is limited.
TruePosition U-TDOA is currently deployed in many parts of the world for various mission-critical applications.
TruePosition Inc reported on Wednesday the installation of its TruePosition U-TDOA Location Platform in the Spanish Region of Murcia.
The Location System combines the widest variety of positioning technologies, including network and handset-based location solutions such as U-TDOA, Cell ID, Enhanced Cell ID, A-GPS and future hybrid solutions.
TruePosition U-TDOA is a location technology that can accurately and reliably locate any mobile phone in any environment, where other location technologies such as A-GPS cannot.
TruePostition Inc, a subsidiary of Liberty Media Corporation and a provider of wireless location technologies, said today that it has received a 'multi-million dollar' (USD) contract from an unnamed overseas government for the purchase of its U-TDOA mobile handset location technology, to be used for national security purposes.
TruePosition U-TDOA quickly and accurately locates any phone in any environment using Location Measurement Units (LMUs) installed at the cell towers to calculate a phone's position.
This decision secures the fact that TruePosition has vital intellectual property surrounding U-TDOA and further establishes TruePosition as the global leader in mission-critical wireless location solutions.
Keywords: Location Services, Location Brokering, LBS Brokering, LBS Mediation, LBS Federation, Location-based Services, LBS, Location Based Services, Mobile Location Services, MLS, User Plane, Control Plane, U-TDOA, A-GPS, GIS, Geographic Information System, NAVTEQ, Google, Yahoo
When completed, the Andrew Geometrix U-TDOA system is expected to cover a network of thousands of cell sites.