Method for Improving Indoor Positioning Accuracy Using Extended Kalman Filter

Table 4

Gathering signals from (2, 5).

Number	BS ID	BS -coordinates	BS -coordinates	RSSI	Distance
1	BS1	0	0	−70	3.57
2	BS2	11	0	−63	1.56
3	BS3	0	6	−76	4.97
4	BS4	11	6	−74	7.73
5	BS5	0	12	−70	4.81
6	BS6	11	12	−74	5.69
7	BS1	0	0	−68	3.50
8	BS2	11	0	−62	1.53
9	BS3	0	6	−76	5.09
10	BS4	11	6	−74	7.73
⋮	⋮	⋮	⋮	⋮	⋮
991	BS1	0	0	−70	3.83
992	BS2	11	0	−63	1.44
993	BS3	0	6	−69	4.5
994	BS4	11	6	−74	7.22
995	BS5	0	12	−88	5.55
996	BS6	11	12	−74	6.08
997	BS1	0	0	−68	3.73
998	BS2	11	0	−64	1.46
999	BS3	0	6	−69	4.39
1000	BS4	11	6	−76	7.2421