Performance of SIMO NLOS UV Communication System in a Foggy Environment

Fig. 7. Bit error rate of SISO and SIMO UV communication systems. (a) 0.05 km, advection fog; (b) 0.05 km, radiation fog; (c) 0.20 km, advection fog; (d) 0.20 km, radiation fog; (e) 2.00 km, advection fog; (f) 2.00 km, radiation fog

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Table 1. Attenuation coefficients of advection fog and radiation fog under four kinds of visibility
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Table 1. Attenuation coefficients of advection fog and radiation fog under four kinds of visibility
Visibility /km 0.05 0.20 1.00 2.00
Attenuation coefficient $α$ for advection fog /km-1 80.2841 20.2794 4.1456 2.1137
Attenuation coefficient $α$ for radiation fog /km-1 83.3447 21.5121 4.6959 2.5559

Table 2. Asymmetric factors under different weather conditions
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Table 2. Asymmetric factors under different weather conditions
Visibility /km g
Advection fog Radiation fog
0.05 0.8353 0.8311
0.20 0.8334 0.8286
2.00 0.8302 0.8245

Table 3. Simulation parameters

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Table 3. Simulation parameters

Parameter	Value
Wavelength /nm	250
Scattering times	4
Atmospheric model parameter $γ_{R}$	0.017
Atmospheric model parameter $f$	0.5
RX angle pair ( $α_{r}, ψ_{r}$ ) /(°)	(60，90)
FOV $ϕ_{r}$ /(°)	30
Receiver aperture area $A$ /cm2	1.77
TX angle pair ( $α_{t}, ψ_{t}$ ) /(°)	(60，270)
Transmitter angle of view $ϕ_{t}$ /(°)	17
Emission power $P_{t}$ /mW	0.3
Information rate $R_{B T}$ /（kbit⋅s-1）	5

Table 4. R_BE and communication distance of SISO and SIMO under advection fog
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Table 4. R_BE and communication distance of SISO and SIMO under advection fog
V /km 0.05 0.20 2.00
Maximum distance of SISO /m 21 30 40
Distance increment of SIMO /m 5 10 10
R_BE-S 10^-3 10^-3 10^-3
R_BE-M 10^-5 10^-5 10^-5

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Yuzhao Ma, Feifan Cheng, Huiting Jia, Xinglong Xiong. Performance of SIMO NLOS UV Communication System in a Foggy Environment[J]. Laser & Optoelectronics Progress, 2021, 58(11): 1106007

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