• Study On Optical Communications
  • Vol. 50, Issue 4, 23000701 (2024)
Huiqin WANG1,*, Feng ZHI1, Dan CHEN2, Minghua CAO1..., Zhongxian BAO1 and Yunpeng DUAN3|Show fewer author(s)
Author Affiliations
  • 1School of Computer and Communication, Lanzhou University of Technology, Lanzhou 730050, China
  • 2School of Automation and Information Engineering, Xi’an University of Technology, Xi’an 710048, China
  • 3Gansu Province Branch, China United Network Communications Limited, Lanzhou 730050, China
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    DOI: 10.13756/j.gtxyj.2024.230007 Cite this Article
    Huiqin WANG, Feng ZHI, Dan CHEN, Minghua CAO, Zhongxian BAO, Yunpeng DUAN. A Step-by-step Optimal Signal Mapping Method for O-OFDM Index Modulation[J]. Study On Optical Communications, 2024, 50(4): 23000701 Copy Citation Text show less
    O-OFDM-IM system model using step-by-step signal mapping method
    Fig. 1. O-OFDM-IM system model using step-by-step signal mapping method
    Flow chart of optimal constellation graph search algorithm
    Fig. 2. Flow chart of optimal constellation graph search algorithm
    BER of (4, 2) O-OFDM-IM system with sub-carrier selection algorithm
    Fig. 3. BER of (4, 2) O-OFDM-IM system with sub-carrier selection algorithm
    Comparison of BER performance between traditional constellation and optimal constellation of (4, 1) system
    Fig. 4. Comparison of BER performance between traditional constellation and optimal constellation of (4, 1) system
    (4, 1) System constellation of transmitter and receiver in 16QAM format under weak turbulence
    Fig. 5. (4, 1) System constellation of transmitter and receiver in 16QAM format under weak turbulence
    (4, 1) System constellation of transmitter and receiver in 16QAM format under strong turbulence
    Fig. 6. (4, 1) System constellation of transmitter and receiver in 16QAM format under strong turbulence
    16QAM eye diagram of (4, 1) system in weak turbulence
    Fig. 7. 16QAM eye diagram of (4, 1) system in weak turbulence
    16QAM format eye diagram of (4, 1) system in strong turbulence
    Fig. 8. 16QAM format eye diagram of (4, 1) system in strong turbulence
    BER of systems under different number of active subcarriers
    Fig. 9. BER of systems under different number of active subcarriers
    BER of the system using this method and other mapping methods
    Fig. 10. BER of the system using this method and other mapping methods
    湍流强度李拓夫方差形状参数1形状参数2尺度参数接收孔径D/mm
    0.3173.671.970.7325
    15.8515.500.740.2925
    Table 1. Parameters of the exponential Wible turbulence channel
    Huiqin WANG, Feng ZHI, Dan CHEN, Minghua CAO, Zhongxian BAO, Yunpeng DUAN. A Step-by-step Optimal Signal Mapping Method for O-OFDM Index Modulation[J]. Study On Optical Communications, 2024, 50(4): 23000701
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