Laser & Optoelectronics Progress, Volume. 59, Issue 5, 0506003(2022)
Performance of FHT-OFDM Visible Light Communication System Based on N Minimum Shift Keying Mapping
Figures & Tables(10)
Fig. 2. Block diagram of FHT-OFDM visible light communication system based on N-MSK mapping
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
Table 1. System simulation parameters
View tableTable 1. System simulation parameters
Parameter Value Number of OFDM symbols 10000 Interpolation factor 2 Number of subcarriers 128 Sequence length 256 Cyclic prefix 32 Breakover voltage /V 1 Maximum allowable alternating current /A 2 Knee factor
Channel noise
2，3，8
Additive white Gaussian noise
Tools
Get Citation
Copy Citation Text
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
Paper Information
Category: Fiber Optics and Optical Communications
Received: Apr. 8, 2021
Accepted: May. 25, 2021
Published Online: Feb. 22, 2022
The Author Email: Li Ning (1401236062@qq.com)
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20