U-TDOAUplink Time Difference of Arrival (mobile phone location technology)
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* E-OTD (Enhanced Observed Time Difference) standard hybrid method for GSM conceptually, method is similar to U-TDOA.
According to the company, its U-TDOA network-based location technology meets the Phase II performance requirements developed by the US Federal Communications Commission (FCC) as part of its E9-1-1 Mandate.
TruePosition U-TDOA is currently deployed in the United States to locate people who dial 9-1-1 from their mobile phone in emergency situations.
There are currently more than 75,000 TruePosition LMUs deployed across the United States, and the TruePosition U-TDOA protects more than 100 million people.
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 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.
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.
Under the award Andrew will continue the expansion of the project in which the company is installing its Geometrix uplink time difference of arrival (U-TDOA) system.
According to the company, the system, which uses network-based Uplink Time Difference of Arrival (U-TDOA), enables Plateau Wireless to satisfy the Phase II requirements of the Federal Communication Commission's Enhanced-911 mandate.
Under the contract Andrew will install the first fully operational uplink time difference of arrival (U-TDOA) system.