Table 4.

RSSI statistical parameters per beacon.

Static Parameters		RSSI (dBm)
		Beacon 1	Beacon 2	Beacon 3	Beacon 4
Average	With smoke	−70.20	−75.92	−78.16	−79.96
	Smokeless	−72.73	−76.54	−80.32	−82.00
Mode	With smoke	−70	−75	−76	−77
	Smokeless	−76	−73	−82	−82
Median	With smoke	−70	−75	−78	−80
	Smokeless	−73	−76	−81	−82
Maximum	With smoke	−82	−84	−85	−84
	Smokeless	−79	−84	−84	−85
Standard deviation	With smoke	5.11	4.26	3.2	2.34
	Smokeless	4.07	3.89	2.7	2.04
Variance	With smoke	26.08	18.16	10.56	5.46
	Smokeless	16.60	15.13	6.14	4.17