Fig. 1. VLC system structure diagram
Fig. 2. OOK / RZ-OOK sequence
Fig. 3. N-PPM sequence
Fig. 4. Burst Zero Duration in OOK/RZ-OOK [10]
Fig. 5. Illegal Pulse Insertion (IPI) algorithm[10]
Fig. 6. Signal distortion due to delay in OOK /RZ-OOK
Fig. 7. Signal distortion due to delay in IPI-OOK
Fig. 8. BER performance of delayed IPI-OOK signal and general signal
Fig. 9. When the probability of occurrence of the BZD interval is [0%, 25%, 50%, 75%, 100%], IPI-OOK Dimming level
Table 1. Dimming level according to modulation method
Table 2. Simulation parameter
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