Ying Zhang, Ning Li. Performance of FHT-OFDM Visible Light Communication System Based on N Minimum Shift Keying Mapping[J]. Laser & Optoelectronics Progress, 2022, 59(5): 0506003
- Laser & Optoelectronics Progress
- Vol. 59, Issue 5, 0506003 (2022)
Fig. 1. LED electro-optical response curves with different nonlinearity k
Fig. 2. Block diagram of FHT-OFDM visible light communication system based on N-MSK mapping
Fig. 3. Power spectral density diagram
Fig. 4. Signal constellation after BPSK mapping and N-MSK mapping. (a) BPSK mapping; (b) MSK mapping; (c) 2MSK mapping
Fig. 5. Constellation diagrams of receiving end of OFDM system with different mapping methods when LED nonlinearity is not considered. (a) BPSK mapping; (b) MSK mapping; (c) 2MSK mapping
Fig. 6. Constellation diagrams of receiving end of OFDM system with different mapping methods when LED nonlinearity is considered. (a) BPSK mapping; (b) MSK mapping; (c) 2MSK mapping
Fig. 7. Carrier-to-interference ratio performance in carrier frequency offset conditions
Fig. 8. BER performance in carrier frequency offset conditions. (a) ΔfT=0; (b) ΔfT=0.08; (c) ΔfT=0.15
Fig. 9. BER performance in LED nonlinear conditions
|
Table 1. System simulation parameters
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20