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Chinese Journal of Lasers, Volume. 46, Issue 4, 0406001(2019)

Light Source Distribution for Visible Light Communication in Coal Mine Working Face Based on Position and Power Co-Optimization

Chunxia You1、*, Qingsong Hu2、*, Shidang Li1, Yong Ma1, and Hao Chen1
Author Affiliations
  • 1 School of Physics and Electronic Engineering, Jiangsu Normal University, Xuzhou, Jiangsu 221116, China
  • 2 School of Information and Control Engineering, China University of Mining and Technology, Xuzhou, Jiangsu 221008, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (13)
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    Figures & Tables(13)
    Distribution of light sources for visible light communication in coal mine working face

    Fig. 1. Distribution of light sources for visible light communication in coal mine working face

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    Schematic for receiving signals under multiple LED light sources

    Fig. 2. Schematic for receiving signals under multiple LED light sources

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    Flow chart of fireworks algorithm for optimization of two-dimensional position and power of LED light source

    Fig. 3. Flow chart of fireworks algorithm for optimization of two-dimensional position and power of LED light source

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    Spatial locations of LED light sources by two-dimensional optimization

    Fig. 4. Spatial locations of LED light sources by two-dimensional optimization

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    Three-dimensional initial positions of 20 LED light sources

    Fig. 5. Three-dimensional initial positions of 20 LED light sources

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    Array distribution information of 20 LED light sources. (a) SNR; (b) contour distribution

    Fig. 6. Array distribution information of 20 LED light sources. (a) SNR; (b) contour distribution

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    Uniform array distribution information of 20 LED light sources. (a) Illumination; (b) contour distribution

    Fig. 7. Uniform array distribution information of 20 LED light sources. (a) Illumination; (b) contour distribution

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    SNR uniformity of receiving plane after optimization of two-dimensional positions of 20 LED point light sources. (a) SNR; (b) contour distribution

    Fig. 8. SNR uniformity of receiving plane after optimization of two-dimensional positions of 20 LED point light sources. (a) SNR; (b) contour distribution

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    Illumination uniformity of receiving plane after optimization of two-dimensional positions of 20 LED point light sources. (a) Illumination; (b) contour distribution

    Fig. 9. Illumination uniformity of receiving plane after optimization of two-dimensional positions of 20 LED point light sources. (a) Illumination; (b) contour distribution

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    Two-dimensional optimal positions and powers of 20 LED light sources

    Fig. 10. Two-dimensional optimal positions and powers of 20 LED light sources

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    SNR uniformity of receiving plane after co-optimization of two-dimensional positions and powers of 20 LED point light sources. (a) SNR; (b) contour distribution

    Fig. 11. SNR uniformity of receiving plane after co-optimization of two-dimensional positions and powers of 20 LED point light sources. (a) SNR; (b) contour distribution

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    Illumination uniformity of receiving plane after co-optimization of two-dimensional positions and powers of 20 LED point light sources. (a) Illumination; (b) contour distribution

    Fig. 12. Illumination uniformity of receiving plane after co-optimization of two-dimensional positions and powers of 20 LED point light sources. (a) Illumination; (b) contour distribution

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    • Table 1. Parameters of visible light communication system

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      Table 1. Parameters of visible light communication system

      ParameterValue
      Length /m20
      Width /m4
      Height /m3
      Receiver height /m0.85
      φ1/2 /(°)60
      A /m210-4
      γ0.8
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    Chunxia You, Qingsong Hu, Shidang Li, Yong Ma, Hao Chen. Light Source Distribution for Visible Light Communication in Coal Mine Working Face Based on Position and Power Co-Optimization[J]. Chinese Journal of Lasers, 2019, 46(4): 0406001

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    Paper Information

    Category: fiber optics and optical communications

    Received: Sep. 14, 2018

    Accepted: Jan. 14, 2019

    Published Online: May. 9, 2019

    The Author Email:

    DOI:10.3788/CJL201946.0406001

    Topics

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