Effect of Environmental Parameters on the Performance of Optical Wireless Communications

Table 3

Results for 1/1 FSO at different weather conditions for λ= 1550 nm.

Weather conditions	Range (km)	Max Q Factor	Min BER
clear air; attenuation=0.2 db/km visibility=23km	94	6.14	3.810-10
	90	7.4	4.310-14
	85	9.4	1.710-21
Haze; attenuation=2.8 db/km; visibility=2 km	12.5	7.6	1.4510-14
	12	9.99	7.0410-24
	11.5	13.03	3.310-39
Rain; attenuation=6.5 db/km; visibility=1 km	6.5	6.47	4.410-11
	6	10.9	3.710-28
	5.5	19.5	7.210-85
light fog; attenuation=8.5 db/km; visibility=0.8 km	5.1	6.86	2.910-12
	5	8.09	2.510-16
	4.5	17. 5	8.310-69
Moderate fog attenuation=11.9 db/km visibility=0.6 km	3.9	6.06	6.0810-10
	3.5	14.6	6.510-49
	3.4	17.9	1.610-72
dust fog; attenuation=14.7 db/km visibility=0.5 km	3.2	7.22	2.310-13
	3	12.4	1.0210-35
	2.9	16.01	3.810-58
dense fog; attenuation=90 db/km visibility=0.1 km	0.675	6.5	4.610-11
	0.65	9.7	1.110-22
	0.6	20.5	6.0610-94
heavy dust attenuation=132.8db/km visibility=0.07 km	0.48	6.17	2.910-10
	0.45	12.5	3.510-36
	0.43	19.2	910-83
heavy fog attenuation=190.9 db/km visibility=0.05 km	0.345	6.6	1.410-11
	0.34	7.9	1.310-15
	0.335	9.3	4.410-21