Anchors visible

to free node (ID)

RSSI

Coordinate

(X,Y)

Anchors visible to the anchor seen by the free node (IDs)

09

−45

1,1

12, 14, 22, 23, 21

31

−43

9,9

12, 15, 16, 21

12

−85

1,5

09, 14, 22, 23, 21

14

−50

3,9

09, 12, 23, 16, 21

15

−57

6,2

12, 22, 21, 31

16

−75

7,6

12, 22, 23, 31

22

−54

4,2

09, 12, 14, 15, 16

23

−70

4,6

14, 22, 16, 21

21

−64

6,9

22, 23, 16, 31