Kejun Jia, Hao Lu, Boran Yang, Wenfei Du, Li Hao. Influence of LED Nonlinearity on Performance of Visible Light Communication Systems[J]. Laser & Optoelectronics Progress, 2020, 57(15): 150603
- Laser & Optoelectronics Progress
- Vol. 57, Issue 15, 150603 (2020)
Fig. 1. Schematic diagram of O-OFDM system
Fig. 2. Transmission characteristic curves of LED
Fig. 3. Constellation diagram with the influence of noise. (a) Ideal LED; (b) bilateral clipping; (c) nonlinear LED
Fig. 4. EVM performance of ACO-OFDM system
Fig. 5. EVM performance of DCO-OFDM system
Fig. 6. BER performance of 4QAM ACO-OFDM system
Fig. 7. BER performance of 16QAM ACO-OFDM system
Fig. 8. BER performance of 64QAM ACO-OFDM system
Fig. 9. BER performance of 4QAM DCO-OFDM system
Fig. 10. BER performance of 16QAM DCO-OFDM system
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Table 1. Measurement data of LED
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