A type of handset-based position location technology. To determine
location, the phone takes readings from both GPS satellites and nearby
cellular base stations (towers), with the help of a location server on
The location server on the network is required to
tell the phone which satellites to look for, and also to perform the
complex calculations that provide precise location information.
technology generally provides better accuracy than GPS-only and
network-based technologies. A-GPS also works in places where GPS-only
technologies do not work well, such as dense urban areas, inside
buildings, and in moving cars.