A-GPS


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A-GPS

(Assisted-GPS) A GPS system that uses cell towers in cities with tall buildings to augment the satellite signals. See mobile positioning and GPS.
References in periodicals archive ?
In conjunction with content delivery servers and Internet gateways, the NEC A-GPS over IP Solution enables diverse location based services.
Built upon the expertise gained from Spirent's Position Location Test System (PLTS), launched into the CDMA market in 2001, the ULTS was the first commercially-available UMTS A-GPS test system.
In collaboration with other services, this A-GPS service platform solution enables creation of new value-added services for consumers, mobile operators and business users who utilize mobile GPS in daily business.
One of the biggest surprises was how dramatically the introduction of a phone case, which is clearly an accessory chosen by a high proportion of users, can impact the A-GPS performance of a smartphone.
SGS will use the Spirent ULTS to provide A-GPS certification and other testing for its many cellular handset and network operator customers.
However, we still asked them to prove that the 8100 system could allow us to offer our customers the most accurate OTA A-GPS testing available, and they delivered.
Our preliminary test results with A-GPS in-SIM technology have demonstrated compelling accuracy coupled with a fast TTFF (time-to-first-fix), comparable to any commercial A-GPS handsets in the market.
Spirent Communications plc (LSE: SPT), a global provider of performance analysis solutions, maintains its leadership in Assisted GPS (A-GPS) testing by becoming the first test system vendor to validate all the A-GPS test standards on its UMTS Location Test System (ULTS).
Spirent is the acknowledged industry leader in testing A-GPS in mobile devices and is unique in offering A-GPS test solutions for all phases of the mobile device lifecycle, from research and development to manufacturing.
The testing was specifically conducted to compare the accuracy and performance reliability of U-TDOA and A-GPS in a variety of environments and conditions, including indoors, in cities with tall buildings, and in outdoor suburban environments.
THALWIL, Switzerland, June 8 /PRNewswire/ -- u-blox AG, the leading Swiss provider of GPS receiver technology, today announced the free provision of AssistNow(R) A-GPS services.