Analysis of Single-Scatter Path Loss in Wireless Ultraviolet Communication in Mobile Scene

Song Peng; Liu Chun; Zhu Lei; Zhang Lijian; Zhang Xiaodan

doi:10.3788/AOS202040.0406001

Acta Optica Sinica, Volume. 40, Issue 4, 406001(2020)

Analysis of Single-Scatter Path Loss in Wireless Ultraviolet Communication in Mobile Scene

Song Peng, Liu Chun^*, Zhu Lei, Zhang Lijian, and Zhang Xiaodan

Author Affiliations

School of Electronics and Information, Xi''an Polytechnic University, Xi''an, Shaanxi 710048, China

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Figures & Tables(15)

Fig. 1. NLOS UV single-scatter propagation model in non-coplanar geometry

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Fig. 2. Determine the upper and lower limits of r. (a) Situation 1; (b) situation 2

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Fig. 3. Determine the upper and lower limits of θ and α. (a) Situation 1; (b) situation 2

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Fig. 4. Schematic diagram of the center point of micro element V″ in the non-line-of-sight non-coplanar ultraviolet single-scatter transmission model

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Fig. 5. Schematic diagram of research

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Fig. 6. Influence of node's position change on path loss

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Fig. 7. Comparison of simulation results between TTUM and MC method

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Fig. 8. Influence of elevation angle change of transmitter on path loss. (a) 0° path; (b) 45° path; (c) 90° path; (d) 135° path; (e) 180° path

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Fig. 9. Influence of elevation angle change of receiver on path loss. (a) 0° path; (b) 45° path; (c) 90° path; (d) 135° path; (e) 180° path

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Fig. 10. Influence of elevation angle consistent change of transceiver on path loss. (a) 0° path; (b) 45° path; (c) 90° path; (d) 135° path; (e) 180° path

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Fig. 11. Influence of beam divergence angle change on path loss. (a) 0° path; (b) 45° path; (c) 90° path; (d) 135° path; (e) 180° path

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Fig. 12. Influence of FOV angle change on path loss. (a) 0° path; (b) 45° path; (c) 90° path; (d) 135° path; (e) 180° path

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Table 1. Part of simulation parameters

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Table 1. Part of simulation parameters

Parameter	Value
Wavelength λ /nm	266
Rayleigh scattering coefficient $\begin{matrix} k_{s}^{R} \end{matrix}$ /(10^-3 m^-1)	0.24
Mie scattering coefficient $\begin{matrix} k_{s}^{M} \end{matrix}$ /(10^-3 m^-1)	0.25
Absorption coefficient k_a /(10^-3 m^-1)	0.74
Rayleigh phase function scattering parameter γ	0.017
Mie phase function asymmetry parameter g	0.72
Mie phase function parameter f	0.5
Speed of light c /(10⁸ m·s^-1)	3
Receiving aperture radius r /(10^-2 m)	1.5
Division times M	10

Table 2. Value of V when the receiver moves in 180° direction
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Table 2. Value of V when the receiver moves in 180° direction
Moving distance R /m Communication distance /m V /m³
0 100 24858.05
10 90 18121.51
20 80 12727.31
30 70 8526.29
40 60 5369.31
50 50 3107.23
60 40 1590.89
70 30 671.14
80 20 198.83
90 10 24.83

Table 3. Contrast data between TTUM and MC

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Table 3. Contrast data between TTUM and MC

Moving distance R /m	Simulation time /s		Time difference /s	PL /dB		PL difference /dB
Moving distance R /m		TTUM	Time difference /s	MC	TTUM	MC
0	8.7138	49.6100	40.8962	89.3430	89.5740	0.2310
10	8.6954	49.5782	40.8828	89.8757	90.1228	0.2471
20	8.7205	49.5948	40.8743	90.7685	91.0046	0.2361
30	8.6407	49.8603	41.2196	91.7916	91.9781	0.1865
40	8.5837	49.5648	40.9811	92.8565	92.9945	0.1380
50	8.6085	49.3622	40.7537	93.8808	93.9924	0.1116
60	8.5550	49.6127	41.0577	94.9377	94.9909	0.0532
70	8.5222	49.3575	40.8353	95.9082	95.9698	0.0616
80	8.4867	49.2829	40.7962	96.8087	96.8688	0.0601
90	8.4919	49.4206	40.9287	97.6365	97.7406	0.1041
100	8.4516	49.1736	40.7220	98.4788	98.5698	0.0910

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Song Peng, Liu Chun, Zhu Lei, Zhang Lijian, Zhang Xiaodan. Analysis of Single-Scatter Path Loss in Wireless Ultraviolet Communication in Mobile Scene[J]. Acta Optica Sinica, 2020, 40(4): 406001

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