期刊
OPTICAL ENGINEERING
卷 61, 期 6, 页码 -出版社
SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
DOI: 10.1117/1.OE.61.6.066102
关键词
atmospheric propagation; free-space optical communication; atmospheric turbulence; scintillation
类别
资金
- Jiangsu Provincial Natural Science Foundation of China [BK20201187, BK20201251]
- Six Talent Peaks Project in Jiangsu Province [KTHY-003]
- National Key Research and Development Program of China [2020YFB2205800]
- National Natural Science Foundation of China [61205045]
The atmospheric intensity scintillation effect deteriorates the communication quality of space chaos laser communication. The research analyzed the effect of internal and external mismatches induced by intensity scintillation on bit error rate (BER) in the space downlink chaos laser communication system. The results demonstrate that BER worsens with the effect of intensity scintillation, and internal mismatch has a greater impact on BER than external mismatch. These findings are valuable for designing practical space chaos laser communication systems with optimal performance.
Atmospheric intensity scintillation effect deteriorates the communication quality of space chaos laser communication. To analyze the effect of internal mismatch and internal mismatch induced by intensity scintillation on bit error rate (BER) for space downlink chaos laser communication system, numerical simulation results based on BER formula are conducted and analyzed. Numerical results demonstrate that BER worsens with the effect of intensity scintillation. Although the probability that received optical power causes larger mismatch noises is small, its corresponding larger instantaneous BER deteriorates the ensemble average BER significantly. Results also indicate that internal mismatch deteriorates BER more than external mismatch. These results are beneficial for designing practical space chaos laser communication system with optimal performance. (C) 2022 Society of Photo-Optical Instrumentation Engineers (SPIE)
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