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Laser & Optoelectronics Progress, Volume. 56, Issue 9, 090601(2019)

Fingerprint Matching and Localization Algorithm Based on Orthogonal Frequency Division Multiplexing Modulation for Visible Light Communication

Shiwu Xu1,2, Yi Wu1、*, and Guodong Su3
Author Affiliations
  • 1 Fujian Provincial Key Laboratory of Photonics Technology, Key Laboratory of Opto-Electronic Science and Technology for Medicine of the Ministry of Education, Fujian Normal University, Fuzhou, Fujian 350007, China
  • 2 Concord University College, Fujian Normal University, Fuzhou, Fujian 350117, China
  • 3 Department of Information Engineering and Computer Science, Feng Chia University, Taichung, Taiwan 40724, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (11)
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    References (22)
    Cited By (9)
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    Figures & Tables(11)
    Fingerprint point distribution of location unit

    Fig. 1. Fingerprint point distribution of location unit

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    Communication and location model of visible light OFDM

    Fig. 2. Communication and location model of visible light OFDM

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    Overall distribution of location

    Fig. 3. Overall distribution of location

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    Relationship between positioning accuracy and M value when K=4

    Fig. 4. Relationship between positioning accuracy and M value when K=4

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    Relationship between positioning accuracy and K value when M=25 cm

    Fig. 5. Relationship between positioning accuracy and K value when M=25 cm

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    Positioning errors for different algorithms

    Fig. 6. Positioning errors for different algorithms

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    Positioning errors for different algorithms when 100 sample points are taken

    Fig. 7. Positioning errors for different algorithms when 100 sample points are taken

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    Average positioning errors for different algorithms

    Fig. 8. Average positioning errors for different algorithms

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    Received power from LED(25,25,200)

    Fig. 9. Received power from LED(25,25,200)

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    Positioning accuracy of NLOS environment when M=25 cm and K=4

    Fig. 10. Positioning accuracy of NLOS environment when M=25 cm and K=4

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    • Table 1. Experimental parameters

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      Table 1. Experimental parameters

      ParameterValue
      Emission power of each LED P /W20
      Vertical distance between LED andreceiving device H /cm200
      FOV of receiver θ /(°)60
      Gain of optical filter Ts1
      Optical concentrator g1
      Effective receiving area Ar /cm20.2
      Photoelectric conversion efficiency η /(A·W-1)0.4
      Signal tonoise ratio RSN /dB20
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    Shiwu Xu, Yi Wu, Guodong Su. Fingerprint Matching and Localization Algorithm Based on Orthogonal Frequency Division Multiplexing Modulation for Visible Light Communication[J]. Laser & Optoelectronics Progress, 2019, 56(9): 090601

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Nov. 8, 2018

    Accepted: Nov. 27, 2018

    Published Online: Jul. 5, 2019

    The Author Email: Yi Wu (wuyi@fjnu.edu.cn)

    DOI:10.3788/LOP56.090601

    Topics

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