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Chinese Journal of Lasers, Volume. 44, Issue 11, 1106001(2017)

Bit Error Rate Performance of Free Space Optical Communication System Based on Differential Detection with Zero Decision Threshold Under Gamma-Gamma Atmospheric Turbulence

Li Xiaoyan1, Zhang Peng1,2, and Tong Shoufeng1
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  • 1[in Chinese]
  • 2[in Chinese]
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    AbstractGet PDF(in Chinese)
    Figures&Tables (12)
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    References (25)
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    Figures & Tables(12)
    Schematic of FSO communication system based on differential detection

    Fig. 1. Schematic of FSO communication system based on differential detection

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    Variations in (α2-α1)/α1 and (β2-β1)/β1 with different λ1 and λ2. (a) λ1=1550 nm, λ2=1530 nm; (b) λ1=1550 nm, λ2=1510 nm

    Fig. 2. Variations in (α2-α1)/α1 and (β2-β1)/β1 with different λ1 and λ2. (a) λ1=1550 nm, λ2=1530 nm; (b) λ1=1550 nm, λ2=1510 nm

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    Average bit error rate of differential detection under different signal to noise ratio RSNR. (a) ρ=0; (b) ρ=1

    Fig. 3. Average bit error rate of differential detection under different signal to noise ratio RSNR. (a) ρ=0; (b) ρ=1

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    Flow chart of Monte Carlo simulation

    Fig. 4. Flow chart of Monte Carlo simulation

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    DDTZ average bit error rate 00 when ρ=0

    Fig. 5. DDTZ average bit error rate 00 when ρ=0

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    DDTZ/DDO average bit error rate when ρ=1

    Fig. 6. DDTZ/DDO average bit error rate when ρ=1

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    DDO average bit error rate when ρ=0

    Fig. 7. DDO average bit error rate when ρ=0

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    Comparison of average bit error rate of DDTZ (ρ=0),DDTZ (ρ=1) and SDTF

    Fig. 8. Comparison of average bit error rate of DDTZ (ρ=0),DDTZ (ρ=1) and SDTF

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    Average bit error rate of DDTZ under different communication distances and atmospheric conditions

    Fig. 9. Average bit error rate of DDTZ under different communication distances and atmospheric conditions

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    Comparison of average bit error rate of SDTF, SDO, DDTZ and DDO

    Fig. 10. Comparison of average bit error rate of SDTF, SDO, DDTZ and DDO

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    Effect of Ω on average bit error rate of DDTZ

    Fig. 11. Effect of Ω on average bit error rate of DDTZ

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    • Table 1. Simulation parameters

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      Table 1. Simulation parameters

      ParameterValue
      Wavelength /nmλ1=1530, λ2=1550
      Receiver aperture diameter0.07
      Refractive-index structure constant Cn2 /m-2/38.4×10-15, 1.7×10-14, 5.0×10-14
      Photo-current conversion ratio R /(A·W-1)1
      Link distance L /m5000
      Optical filter attenuation coefficient Ω1
      Signal to noise ratio γ0 /dB0-100
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    Li Xiaoyan, Zhang Peng, Tong Shoufeng. Bit Error Rate Performance of Free Space Optical Communication System Based on Differential Detection with Zero Decision Threshold Under Gamma-Gamma Atmospheric Turbulence[J]. Chinese Journal of Lasers, 2017, 44(11): 1106001

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    Paper Information

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    Received: Apr. 11, 2017

    Accepted: --

    Published Online: Nov. 17, 2017

    The Author Email:

    DOI:10.3788/CJL201744.1106001

    Topics

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