Xiaoqing Song, Muyu Wang, Song Xing, Zixu Zhao. Progress of Orthogonal Frequency Division Multiplexing Based on Visible Light Communication[J]. Laser & Optoelectronics Progress, 2018, 55(12): 120008
- Laser & Optoelectronics Progress
- Vol. 55, Issue 12, 120008 (2018)
Fig. 1. OFDM signal spectrum
Fig. 2. Schematic of OFDM system
Fig. 3. Diagram of DCO-OFDM system
Fig. 4. Diagram of ACO-OFDM system
Fig. 5. Diagram of Flip-OFDM system
Fig. 6. Diagram of U-OFDM system
Fig. 7. Schematic of U-OFDM unipolar coding. (a) Bipolar OFDM signal; (b) unipolar OFDM signal
Fig. 8. Relation curves of BER and SNR for four kinds of O-OFDM. (a) DCO-OFDM; (b) ACO-OFDM; (c) Flip-OFDM; (d) U-OFDM
Fig. 9. CCDF of PAPR of continuous-time OFDM signal
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Table 1. Performance analysis of 4 types of O-OFDM adjustment strategies
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