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Laser & Optoelectronics Progress, Volume. 59, Issue 7, 0706006(2022)

Research on PAPR Reduction Method in Visible Light Polar-OFDM Communication System

Yang Cao and Chao Luo*
Author Affiliations
  • School of Electrical and Electronic Engineering, Chongqing University of Technology, Chongqing 401320, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (13)
    Equations (4)
    References (13)
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    Paper Information
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    Figures & Tables(13)
    Encoding process and selection of correction bit

    Fig. 1. Encoding process and selection of correction bit

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    Selection process of amendent bit

    Fig. 2. Selection process of amendent bit

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    System architecture model

    Fig. 3. System architecture model

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    VLC system channel model

    Fig. 4. VLC system channel model

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    Performance comparison of PAPR. (a) n=256, N=64; (b) n=1024, N=256

    Fig. 5. Performance comparison of PAPR. (a) n=256, N=64; (b) n=1024, N=256

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    Simulation of error performance. (a) n=256, N=64; (b) n=1024, N=256

    Fig. 6. Simulation of error performance. (a) n=256, N=64; (b) n=1024, N=256

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    Comparison of PAPR inhibition performance of each scheme

    Fig. 7. Comparison of PAPR inhibition performance of each scheme

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    BLER performance of each scheme

    Fig. 8. BLER performance of each scheme

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    • Table 1. Channel simulation experiment parameters

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      Table 1. Channel simulation experiment parameters

      Experimental parameterValue
      Half power point half angle φ1/240
      Lambertian emission seriesm m1.5684
      LED transmit power /W12
      Optical filter gain1
      Lens refractive index1.5
      Receiving field of view70
      Indoor space size /（m×m×m）5×5×3
      Vertical distance between light source and receiving plane /m2.15

    • Table 2. Simulation experiment parameters of PAPR performance under different code lengths

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      Table 2. Simulation experiment parameters of PAPR performance under different code lengths

      ParameterOrdinary OFDMPro a=8， bestPro a=8， worsePro a=32， bestPro a=32， worse
      Code length256 or 1024
      Number of correction bitsN/A883232
      Quality of Δi and sub-channelN/ABestWorseBestWorse

    • Table 3. Simulation experiment parameters of error performance

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      Table 3. Simulation experiment parameters of error performance

      GroupOrdinary OFDMPro a=8， bestPro a=8， worstPro a=32， bestPro a=32， worst
      Code length256 or 1024
      Bit rate

      128/256

      and

      512/1024

      （128+8）/256

      and

      （512+8）/1024

      （128+8）/256

      and

      （512+8）/1024

      （128+32）/256

      and

      （512+5）/1024

      （128+32）/256

      and

      （512+32）/1024

    • Table 4. Simulation experiment parameters for PAPR performance comparison of different schemes

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      Table 4. Simulation experiment parameters for PAPR performance comparison of different schemes

      Scheme nameCode lengthCode rateNumber of candidate signals
      Pro PC-OFDM5121/2a=32a=16a=8
      PC-SLM 15121/2q=32q=16q=8
      PC-SLM 25121/2q=32q=16q=8
      Ordinary-OFDM5121/2N/AN/AN/A

    • Table 5. Simulation experiment parameters for BELR performance of each scheme

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      Table 5. Simulation experiment parameters for BELR performance of each scheme

      Scheme nameCode lengthCode rateNumber of candidate signals
      Pro PC-OFDM5121/4， 1/2， 3/4a=16
      PC-SLM 15121/4， 1/2， 3/4q=16
      PC-SLM 25121/4， 1/2， 3/4q=16
      Ordinary-OFDM5121/4， 1/2， 3/4N/A
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    Yang Cao, Chao Luo. Research on PAPR Reduction Method in Visible Light Polar-OFDM Communication System[J]. Laser & Optoelectronics Progress, 2022, 59(7): 0706006

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Jul. 15, 2021

    Accepted: Sep. 24, 2021

    Published Online: Mar. 8, 2022

    The Author Email: Luo Chao (302840548@qq.com)

    DOI:10.3788/LOP202259.0706006

    Topics

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