Analysis of performance of FSO communication system based on EW turbulence and pointing errors under aperture averaging

Yan Wu; Haiping Mei; Congming Dai; Heli Wei

doi:10.1117/12.2576034

2 December 2020 Analysis of performance of FSO communication system based on EW turbulence and pointing errors under aperture averaging

Yan Wu, Haiping Mei, Congming Dai, Heli Wei

Author Affiliations +

Proceedings Volume 11717, 24th National Laser Conference & Fifteenth National Conference on Laser Technology and Optoelectronics; 1171703 (2020) https://doi.org/10.1117/12.2576034
Event: 24th National Laser Conference & Fifteenth National Conference on Laser Technology and Optoelectronics, 2020, Shanghai, China

Abstract

In this paper, we investigate that the effects of weather, turbulence and pointing errors on laser beams, and establish a joint channel statistical model, then derive the performance parameters of free space optical communication system based on OOK modulation, such as average bit error rate, average channel capacity and outage probability, and finally derive their new expressions by using Meijer’s G function and H function. For an atmospheric laser communication system with a wavelength of 1550 nm and a link length of 1 km, the performance parameters of the system are simulated and analyzed. The results show that when the standard deviation of jitter is small, the communication system is obviously affected by turbulence, and the performance of communication system with different turbulence can be significantly improved by the aperture average effect; aperture averaging can also significantly compensate for the deterioration of the communication system performance due to the decrease of atmospheric visibility; when the standard deviation of jitter is large, the system performance is limited by the average aperture effect.

Citation Download Citation

Yan Wu, Haiping Mei, Congming Dai, and Heli Wei "Analysis of performance of FSO communication system based on EW turbulence and pointing errors under aperture averaging", Proc. SPIE 11717, 24th National Laser Conference & Fifteenth National Conference on Laser Technology and Optoelectronics, 1171703 (2 December 2020); https://doi.org/10.1117/12.2576034

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