Research Article
Effect of Environmental Parameters on the Performance of Optical Wireless Communications
Table 7
Results for 2
/2
FSO at different weather conditions for 850 nm wavelength.
| Weather conditions | Range | Max Q Factor | Min BER |
| clear air attenuation=0.42 db/km visibility=23km | 90 | 6.4 | 5.510-11 | 85 | 9.7 | 8.210-23 | 80 | 14.4 | 1.910-47 |
| Haze attenuation=5.3 db/km visibility=2 km | 10.6 | 6.6 | 1.710-11 | 10.5 | 7.3 | 1.210-13 | 10 | 11.77 | 2.1310-32 |
| Rain attenuation=11.3 db/km visibility=1 km | 5.5 | 6.28 | 1.510-10 | 5 | 16.8 | 4.0510-64 | 4.9 | 20.2 | 4.310-91 |
| light fog attenuation=14.4 db/km visibility=0.8 km | 4.4 | 7.06 | 7.410-13 | 4.3 | 9.2 | 2.110-20 | 4 | 18.88 | 5.9810-80 |
| Moderate fog attenuation=19.7 db/km visibility=0.6 km | 3.3 | 8.05 | 3.510-16 | 3.2 | 11.4 | 2.410-30 | 3 | 21.5 | 2.0810-103 |
| dust fog attenuation=23.9 db/km visibility=0.5 km | 2.8 | 7.4 | 4.910-14 | 2.6 | 16.7 | 1.910-63 | 2.5 | 24.3 | 2.510-131 |
| dense fog attenuation=130db/km visibility=0.1 km | 0.62 | 6.2 | 2.710-10 | 0.6 | 9.8 | 4.810-23 | 0.58 | 15 | 310-51 |
| heavy dust attenuation=188.2db/km visibility=0.07 km | 0.443 | 6.08 | 5.3510-10 | 043 | 9.4 | 3.210-21 | 0.425 | 10.97 | 2.310-28 |
| heavy fog attenuation=266.5 db/km visibility=0.05 km | 0.322 | 6.08 | 5.210-10 | 0.31 | 10.6 | 1.210-26 | 0.3 | 16.2 | 1.210-59 |
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