METHOD AND APPARATUS FOR DETERMINING A CHANGE IN POSITION OF A LOCATION MARKER

摘要

The disclosure is directed to determining a change in position of a location marker. In an aspect, it is determined whether the location marker is in a motion state or a static state using sensors integrated into the location marker, in response to the determining, one or more reachable nodes are discovered, and distance measurements are calculated from the location marker to each of the one or more reachable nodes.