Geo-Fencing

Geo-Fencing is a technology that creates a virtual perimeter for a real-world geographic area. Geo-Fencing technology uses the global positioning system (GPS) or radio frequency identification (RFID) to define geographical boundaries. It allows the user to set up triggers based on location information and issue an alert when someone enters that specific location or if someone leaves that specific location.

Geo-Fencing application incorporates Google Earth, allowing user/administrator to define boundaries on top of a satellite view of a specific geographical area.  Other application defines boundaries by longitude and latitude or through user-created and Web-based maps.

Active Geo-Fencing: it requires end-user to enable location services to track them down. It can also be done with the help of a certain Smartphone apps.

Passive Geo-Fencing: it requires internet connectivity that can be cellular or via Wi-Fi rather than RFID and GPS. They always work in the background if the location is switch on in a Smartphone.

Use of Geo-Fencing

Use	Applications
Drone Management	A sporting event can use geo-fencing to create a temporary no-fly zone that prevents drones from crossing a defined perimeter.
Fleet Management	Geo-fencing can alert a dispatcher when a truck driver breaks from his route
Human Resource Management	An employee smart card will send an alert to security if the employee attempts to enter an unauthorized, geo-fenced area
Marketing	A small business can text an opt-in customer a coupon code when the customer's Smartphone enters a defined geographical area
Asset Management	A network administrator can set up alerts so when a hospital-owned iPad leaves the hospital grounds, the administrator can monitor the device's location and lock it down to prevent it from being used
Law Enforcement	An ankle bracelet can alert authorities if an individual under house arrest leaves the premises