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Acta Optica Sinica, Volume. 42, Issue 4, 0406003(2022)

Pilot-Based Time-Domain Phase Noise Compensation in CO-FBMC/OQAM System

Guomin Gu1, Chen Yang2, Jin Lu1、*, Hongliang Ren2, Binqi Wu2, Yali Qin2, Shuqin Guo2, and Weisheng Hu3
Author Affiliations
  • 1College of Computer Science and Technology, Zhejiang University of Technology, Hangzhou, Zhejiang 310023, China
  • 2College of Information and Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang 310023, China
  • 3State Key Laboratory of Advanced Optical Communication Systems 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 (45)
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    Figures & Tables(9)
    Block diagram of CO-FBMC/OQAM board to board system

    Fig. 1. Block diagram of CO-FBMC/OQAM board to board system

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    Flowchart of pilot assisted time-domain phase noise compensation for CO-FBMC/OQAM system

    Fig. 2. Flowchart of pilot assisted time-domain phase noise compensation for CO-FBMC/OQAM system

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    Pilot structure diagram of EKF

    Fig. 3. Pilot structure diagram of EKF

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    Data selection area after CPE compensation in 4-OQAM

    Fig. 4. Data selection area after CPE compensation in 4-OQAM

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    Change curves of bit error rate with different parameters. (a) Change curve of bit error rate with length of DCT transform coefficient; (b) change curve of bit error rate with pilot signal power ratio; (c) change curve of bit error rate with length of rectangular region not participating in decision; (d) change curve of bit error rate with number of subcarriers

    Fig. 5. Change curves of bit error rate with different parameters. (a) Change curve of bit error rate with length of DCT transform coefficient; (b) change curve of bit error rate with pilot signal power ratio; (c) change curve of bit error rate with length of rectangular region not participating in decision; (d) change curve of bit error rate with number of subcarriers

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    OSNR costs of different algorithms under 4th, 16th, and 64th order QAM and different number of subcarriers. (a) 256 subcarriers; (b) 512 subcarriers; (c) 1024 subcarriers

    Fig. 6. OSNR costs of different algorithms under 4th, 16th, and 64th order QAM and different number of subcarriers. (a) 256 subcarriers; (b) 512 subcarriers; (c) 1024 subcarriers

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    • Table 1. Complexity of P-EKF-DCT, P-EKF-DCT-O, and P-DCT-PNC algorithms

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      Table 1. Complexity of P-EKF-DCT, P-EKF-DCT-O, and P-DCT-PNC algorithms

      DSP stepP-EKF-DCTP-EKF-DCT-OP-DCT-PNC
      CPE pre-compensation(P-EKF)55/
      Time-domain PNC modelLMlb M+LKMLMlb M+LKMLMlb M+LKM
      Calculation of DCT8L3+8ZnL2+2ZnL8L3/3+8ZnL2+2ZnL+2L2/38L3+8NpL2+2NpL
      Final compensation2ML2ML2ML

    • Table 2. Average value of Zn under different order QAM and different subcarrier numbers

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      Table 2. Average value of Zn under different order QAM and different subcarrier numbers

      QAM orderM=256M=512M=1024
      4156328695
      16202416825
      64227457918

    • Table 3. Specific real multiplication operands required by each algorithm in each symbol

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      Table 3. Specific real multiplication operands required by each algorithm in each symbol

      QAM orderMM-BPSP-EKF-DCTP-EKF-DCT-OP-DCT-PNC
      256819213877(17261)12813(16197)7520
      45121638429285(35693)27197(33605)16000
      102432768518517(689061)499445(669989)33984
      2561638415533(17261)14469(16197)7520
      165123276832453(35693)30365(33605)16000
      102465536587157(689061)568085(669989)33984
      2563276816433(17261)15369(16197)7520
      645126553633929(35693)31841(33605)16000
      1024131072636261(689061)617189(669989)33984
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    Guomin Gu, Chen Yang, Jin Lu, Hongliang Ren, Binqi Wu, Yali Qin, Shuqin Guo, Weisheng Hu. Pilot-Based Time-Domain Phase Noise Compensation in CO-FBMC/OQAM System[J]. Acta Optica Sinica, 2022, 42(4): 0406003

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: May. 8, 2021

    Accepted: Aug. 27, 2021

    Published Online: Jan. 29, 2022

    The Author Email: Lu Jin (lujin@zjut.edu.cn.com)

    DOI:10.3788/AOS202242.0406003

    Topics

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