• Study On Optical Communications
  • Vol. 50, Issue 3, 23004801 (2024)
Liuzhu WANG, Zhilong ZHENG, Yuling XUE, Shaohua HU..., Jing ZHANG* and Kun QIU|Show fewer author(s)
Author Affiliations
  • Key Laboratory of Optical Fiber Sensing and Communication, Ministry of Education, School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China
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    DOI: 10.13756/j.gtxyj.2024.230048 Cite this Article
    Liuzhu WANG, Zhilong ZHENG, Yuling XUE, Shaohua HU, Jing ZHANG, Kun QIU. Equalization Techniques based on Cyclic Prefix in Space Division Multiplexing Systems[J]. Study On Optical Communications, 2024, 50(3): 23004801 Copy Citation Text show less
    Frequency domain joint equalization schematic diagram based on CP
    Fig. 1. Frequency domain joint equalization schematic diagram based on CP
    Frequency domain joint equalization based on CP concrete realization flow chart
    Fig. 2. Frequency domain joint equalization based on CP concrete realization flow chart
    6×6 flow chart of few-mode fiber simulation system
    Fig. 3. 6×6 flow chart of few-mode fiber simulation system
    Performance comparison of ratio of CP in different proportions and traditional FDE
    Fig. 4. Performance comparison of ratio of CP in different proportions and traditional FDE
    迭代公式复数乘法数
    D·LFFT
    公式(10)D2·LFFT+D·LFFT
    总和
    Table 1. Computational complexity table of frequency domain joint equalization technology based on CP
    仿真参数参数值
    中心频率/Hz193.1×1012
    调制格式16 QAM
    码元速率/GBaud140
    LP01LP11aLP11b色散/ps/nm/km21.1、20.7、20.7
    LP01LP11aLP11b衰减系数/dB/km0.22
    DMGD/ps/km30
    传输距离/km10
    ηCP1/5、1/9、1/17
    Table 2. 6×6 parameter setting of few-mode optical fiber simulation system
    均衡方案计算复杂度
    基于50%OLS且有CDC模块的FDE187.542 8
    改进CP且ηCP=1/527.176 8
    改进CP且ηCP=1/928.676 8
    改进CP且ηCP=1/1730.176 8
    Table 3. Comparison of computational complexity
    Liuzhu WANG, Zhilong ZHENG, Yuling XUE, Shaohua HU, Jing ZHANG, Kun QIU. Equalization Techniques based on Cyclic Prefix in Space Division Multiplexing Systems[J]. Study On Optical Communications, 2024, 50(3): 23004801
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