A-GPS (Assisted-Global Positioning System): Difference between revisions

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'''''A-GPS (Assisted-Global Positioning System)''''' is a system that often significantly improves the startup performance—i.e., time-to-first-fix (TTFF)—of a GPS satellite-based positioning system. A-GPS is extensively used with GPS-capable cellular phones, as its development was accelerated by the U.S. FCC's 911 requirement to make cell phone location data available to emergency call dispatchers.
'''''A-GPS (Assisted-Global Positioning System)''''' is a system that often significantly improves the startup performance—i.e., time-to-first-fix (TTFF)—of a GPS satellite-based positioning system. A-GPS is extensively used with GPS-capable cellular phones, as its development was accelerated by the U.S. FCC's 9-1-1 requirement to make cell phone location data available to emergency call dispatchers.


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