What controls network connectivity such as Wi-Fi and the GPS locator in a mobile device?

There are hybrid system that consist of WiFi, GPS, GSM and IP address to locate the mobile devices.

Explanation:

In Cellular phone communication, hybrid technique is used to locate to find the locations. It consist of WiFi, GSM, GPS and IP addresses. GPS technology is used with satellite communication. Location has been sent from satellite to the mobile network with the help of Google maps. There are few other techniques used to such as GSM based techniques that is used by the help of radio signals strength to find the location of the device. This technique is helpful in the areas where the many communication tower are there to locate the signal strength in the area of the mobile device. WiFi also used to locate the mobile device with the help of IP addresses.

In mobile phones, different combinations of all above technologies used to provide the network connectivity such as WiFi and GPS locator in the mobile Phone.  This is called Cellular locating technology.