What is GPS and A-GPS

Global Positioning System (GPS) which is a space-based global navigation satellite system (GNSS) that provides location and time information in all weather.

Assisted GPS (A-GPS) is an enhanced version of GPS. A-GPS retrieves assistance data over a data connection (like GPRS or 3G), which helps your device calculate the coordinates of your current location when receiving signals from satellites.

What are the benefits of A-GPS?

A-GPS is designed to get a fix on satellites faster and more reliably, meaning you get a smoother GPS experience. It reduces the time a GPS enabled device requires to find its current position, known as Time To First Fix (TTFF), for most geographical locations worldwide.

A-GPS is most useful in urban areas, where you could be navigating through "urban canyons", or in a moving car.

A-GPS improves user experience for all applications on your device which use integrated GPS.

Are there any extra costs for using A-GPS?

You pay your service provider for data transferred over the cellular network. Please keep in mind that the charges might be higher while roaming.




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