Indoor tracking using 4G and A-GPS mode


4G networks will be a standard soon. Mode *A-GPS* was created by *Nokia* to avoid having to wait to see what we have satellites hovering above our heads in an initial process called **TTFF** (*Time To First Fix*). That's why the *GPS* cars without internet take longer to know this information. It's not the case of your smartphone which makes a request over the Internet via *HTTP* according to your location.

The *cooking-hacks* guys have created a great tutorial based on *GPS Shield* sell in their store, but perhaps we can achieve the same result in some other way or other shield.

Link: [cooking-hacks.com](https://www.cooking-hacks.com/blog/indoor-tracking-using-4g-and-a-gps-mode-with-arduino-and-raspberry-pi-geo-location/)