E-OTD systems operate by placing location receivers or reference beacons, overlaid on the wireless network as a location measurement units (LMU) at multiple sites geographically dispersed in a wide area.
This property represents the typical response time in seconds of a location provider from the instant in which the location is requested to the moment in which the location is returned
A room-oriented approach, uses a proximity detection method. An
access point is installed in every room. For each tag, the system than
finds the nearest AP, and respectively indicates its room location
This class represents a position, which it is composed by the coordinates of a point on the Earth surface, together with the speed, course, and the corresponding accuracies and timestamp