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Spectroscopy and Spectral Analysis, Volume. 42, Issue 3, 970(2022)

Study on Scattering Transmission Characteristics of Wireless UV Communication Based on Particle Size Distribution

Peng SONG1,1;... Yuan-min CAI1,1; *;, Xiao-jun GENG2,2;, Hua GUO1,1;, Han-wu JI1,1; and Guo-qing ZHANG3,3; |Show fewer author(s)
Author Affiliations
  • 11. School of Electronics and Information, Xi’an Polytechnic University, Xi’an 710048, China
  • 22. Electrical & Computer Engineering Department, California State Univ, Northridge, CA 91330, USA
  • 33. School of Science, Xi’an Polytechnic University, Xi’an 710048, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (13)
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    References (8)
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    Figures & Tables(13)
    Mie scattering diagram of spherical particles

    Fig. 1. Mie scattering diagram of spherical particles

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    Size distribution curve of Haze particles(a): Haze L; (b): Haze M; (c): Haze H

    Fig. 2. Size distribution curve of Haze particles
    (a): Haze L; (b): Haze M; (c): Haze H

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    Size distribution segmentation sketch of Haze H

    Fig. 3. Size distribution segmentation sketch of Haze H

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    NLOS UV communication multiple scattering model

    Fig. 4. NLOS UV communication multiple scattering model

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    Relationship between scattering and absorption coefficient and haze particle radius

    Fig. 5. Relationship between scattering and absorption coefficient and haze particle radius

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    Path loss changing with haze particles density(a): d=100 m; (b): d=250 m; (c): d=500 m; (d): d=1 000 m

    Fig. 6. Path loss changing with haze particles density
    (a): d=100 m; (b): d=250 m; (c): d=500 m; (d): d=1 000 m

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    Path loss changing with haze particle radius(a): d=100 m; (b): d=250 m; (c): d=500 m; (d): d=1 000 m

    Fig. 7. Path loss changing with haze particle radius
    (a): d=100 m; (b): d=250 m; (c): d=500 m; (d): d=1 000 m

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    Experimental device for UV communication (a): Receiver; (b): Transmitter

    Fig. 8. Experimental device for UV communication (a): Receiver; (b): Transmitter

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    The relationship between path loss and communication distance under different weather conditions (a): θt=10°, θr=10°; (b): θt=20°, θr=20°

    Fig. 9. The relationship between path loss and communication distance under different weather conditions (a): θt=10°, θr=10°; (b): θt=20°, θr=20°

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    • Table 1. Size distribution model parameters

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      Table 1. Size distribution model parameters

      abrc/μmαβ
      Haze L4.975 7×10615.118 60.0721/2
      Haze M5.333 3×1048.944 30.0511/2
      Haze H4.000 0×10520.000 00.1021

    • Table 2. Simulation parameter setting

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      Table 2. Simulation parameter setting

      ParameterValue
      Wavelength λ260 nm
      Particle radius R0.15 μm
      The number of transmitted photons M206
      The number of multiple scattering N2
      Beam angle ϕt3°
      Field of view (FOV) ϕr40°
      Transmitter’s elevation angle θt[10°, 30°, 50°, 70°]
      Receiver’s elevation angle θr[10°, 30°, 50°, 70°]
      Emission power PT0.6 mW
      Detector active area A1.92 cm2
      Information rate RBT10 kbps
      Baseline distance d[10, 250, 500, 1 000 m]

    • Table 3. Weather parameters

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      Table 3. Weather parameters

      ParameterVisibility
      /km      		PM2.5 Concentration
      /(μg·m-3)      		PM10 Concentration
      /(μg·m-3)      		Temperature
      /℃      		Wind speed
      /(m·s-1)      		Relative
      humidity/%
      Fine weather10697121~248
      Severe fog and
      haze weather      		337441232~381
      Extremely severe fog
      and haze weather      		250961032~386

    • Table 4. Three weather size distribution parameters

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      Table 4. Three weather size distribution parameters

      Fine
      weather      		Severe fog
      and haze
      weather      		Extremely severe
      fog and haze
      weather
      a2.529 64×1076.852 04×10746.617 7×107
      b21.05936.2432.52
      α1.9673.6143.437
      β0.6541.1970.956
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    Peng SONG, Yuan-min CAI, Xiao-jun GENG, Hua GUO, Han-wu JI, Guo-qing ZHANG. Study on Scattering Transmission Characteristics of Wireless UV Communication Based on Particle Size Distribution[J]. Spectroscopy and Spectral Analysis, 2022, 42(3): 970

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    Paper Information

    Category: Orginal Article

    Received: Feb. 26, 2021

    Accepted: May. 31, 2021

    Published Online: Apr. 19, 2022

    The Author Email:

    DOI:10.3964/j.issn.1000-0593(2022)03-0970-08

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology