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Acta Optica Sinica, Volume. 41, Issue 16, 1606002(2021)

Physical Layer Encryption and System Performance Enhancement Algorithm Based on Chaos Mapping in OFDM-PON

Yuxin Zhou1, Meihua Bi1,2、*, Xuyang Teng1, Qiliang Li1, and Xuelin Yang2
Author Affiliations
  • 1School of Communication Engineering, Hangzhou Dianzi University, Hangzhou, Zhejiang 310018, China
  • 2State Key Laboratory of Advanced Optical Communication System and Networks, Shanghai Jiao Tong University, Shanghai 200240, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (9)
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    References (25)
    Cited By (7)
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    Figures & Tables(9)
    Principle of OFDM-PON encryption and system performance enhancement algorithm based on chaotic sequence

    Fig. 1. Principle of OFDM-PON encryption and system performance enhancement algorithm based on chaotic sequence

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    Phase diagram of the conservative chaotic system

    Fig. 2. Phase diagram of the conservative chaotic system

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    Schematic diagram of 3D Arnold transformation. (a) Position before QAM symbol conversion; (b) position after QAM symbol conversion

    Fig. 3. Schematic diagram of 3D Arnold transformation. (a) Position before QAM symbol conversion; (b) position after QAM symbol conversion

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    Diagram of the experimental setup

    Fig. 4. Diagram of the experimental setup

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    Autocorrelation coefficient of the improved chaotic sequence

    Fig. 5. Autocorrelation coefficient of the improved chaotic sequence

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    PAPR curves of different OFDM signals

    Fig. 6. PAPR curves of different OFDM signals

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    Simulation results of the encryption scheme. (a) Original image; (b) image is decrypted with wrong keys; (c) image is decrypted with correct keys

    Fig. 7. Simulation results of the encryption scheme. (a) Original image; (b) image is decrypted with wrong keys; (c) image is decrypted with correct keys

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    BER curve of OFDM signal with or without encryption

    Fig. 8. BER curve of OFDM signal with or without encryption

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    • Table 1. Randomness test of conservative chaotic sequence based on PCA

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      Table 1. Randomness test of conservative chaotic sequence based on PCA

      Statistical test indexP-ValuePassing rate
      Approximate entropy0.5341461.000
      Block frequency0.3080480.989
      Cumulative sums0.5341461.000
      FFT0.3190840.992
      Frequency0.6993131.000
      Linear complexity0.8513831.000
      Longest run0.3504850.992
      Nonoverlapping template0.6579331.000
      Overlapping template0.7791881.000
      Random excursions0.0419870.992
      Random excursions variant0.6901561.000
      Rank0.8739871.000
      Runs0.1237551.000
      Serial0.3716470.993
      Universal0.4807710.991
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    Yuxin Zhou, Meihua Bi, Xuyang Teng, Qiliang Li, Xuelin Yang. Physical Layer Encryption and System Performance Enhancement Algorithm Based on Chaos Mapping in OFDM-PON[J]. Acta Optica Sinica, 2021, 41(16): 1606002

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Jan. 19, 2021

    Accepted: Mar. 18, 2021

    Published Online: Aug. 12, 2021

    The Author Email: Meihua Bi (bmhua@hdu.edu.cn)

    DOI:10.3788/AOS202141.1606002

    Topics

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