Effect of Environmental Parameters on the Performance of Optical Wireless Communications

Table 6

Results for 1/1 FSO at different weather conditions for 850 nm wavelength.

Weather conditions	Range (km)	Max Q Factor	Min BER
clear air; attenuation=0.42 db/km; visibility=23km	79	6.2	3.410-10
	75	8.7	1.510-18
	70	13.08	1.610-39
haze; attenuation=5.3 db/km; visibility=2 km	9.7	6.1	4.710-10
	9	12.1	3.710-34
	8.5	18.9	8.510-81
rain; attenuation=11.3 db/km; visibility=1 km	5	6.7	5.810-12
	4.7	12.4	5.310-36
	4.5	18.2	4.110-74
light fog; attenuation=14.4 db/km; visibility=0.8 km	4	7.7	4.810-15
	3.9	10.02	5.210-24
	3.8	12.8	3.210-38
Moderate fog; attenuation=19.7 db/km; visibility=0.6 km	3.1	6.3	1.710-10
	3	9	9.710-20
	2.9	12.7	3.410-37
dust fog; attenuation=23.9 db/km; visibility=0.5 km	2.6	6.7	7.910-12
	2.5	10.3	1.810-25
	2.4	15.5	1.810-54
dense fog; attenuation=130db/km; visibility=0.1 km	0.579	6.05	6.610-10
	0.55	11.7	4.9110-32
	0.54	14.5	7.810-48
heavy dust; attenuation=188.2db/km; visibility=0.07 km	0.41	6.9	1.810-12
	0.4	9.6	2.310-22
	0.39	13.2	5.610-40
heavy fog; attenuation=266.5 db/km; visibility=0.05 km	0.3	6.5	4.210-11
	0.29	10.29	3.110-25
	0.28	15.8	8.410-57