Alternative Text Description for Figure 1

Figure 1 shows the map of the fourth floor of the Old Main Building of Utah State University. Circles with numbers represent the intersections in the environment where we localize. Red and Black solid circles show the positions of the Wi-Fi access points. The black dots are the Wi-Fi access points used for the first set of testing. All then were used for the second set. A sample route taken by the user while collecting test data is shown as a red line. The distances between selected locations in meters are shown. Distance between location 1 and 2 is 10 meters. Distance between location 2 and 3 is 15.6 meters. Distance between location 3 and 4 is 5.4 meters. Distance between location 4 and 5 is 7.6 meters. Distance between location 5 and 6 is 10 meters. Distance between location 6 and 7 is 5.6 meters. Distance between location 7 and 8 is 11.2 meters. Distance between location 8 and 9 is 5.6 meters. Distance between location 9 and 10 is 5.6 meters. Distance between location 10 and 11 is 6 meters. Distance between location 11 and 12 is 5.6 meters. Distance between location 12 and 9 is 6 meters. Distance between location 12 and 6 is 4.4 meters.