Huaijun Qin, Yang Cao, Xiaofeng Peng, Zupeng Zhang. Bit Error Rate Performance of Cooperative Free Space Optical Communication System with Hierarchical Modulation and Physical Layer Network Coding[J]. Laser & Optoelectronics Progress, 2023, 60(17): 1706001
- Laser & Optoelectronics Progress
- Vol. 60, Issue 17, 1706001 (2023)
Fig. 1. Relay network model with asymmetric channel conditions
Fig. 2. Constellation of 4/16-QAM hierarchical modulation. (a) Constellation of high priority data
Fig. 3. 4/16-QAM modulated in-phase subflow
Fig. 4. BER performance under different constellation priority parameters
Fig. 5. BER performance under different channel asymmetric parameters
Fig. 6. Performance comparison of system BER under different atmospheric turbulence intensities and different constellation priority parameters
Fig. 7. Performance comparison of system BER under different atmospheric turbulence intensities and different channel asymmetric parameters
Fig. 8. Comparison of BER performance improvement of cooperative FSO communication system by this scheme
|
Table 1. Simulation parameter settings
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