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Volume 11
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10.3390/photonics11040378
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Communication

Impact of Motion Characteristics of Airborne Platforms on the Performance of Space Laser Communication Links

by
Xin Zhang
1,2,
Shiming Gao
2,3,*,
Zhi Liu
4,
Qingfang Jiang
5,
Lixin Meng
6,
Helong Wang
7 and
Keyan Dong
1
1
School of Optoelectronics Engineering, Changchun University of Science and Technology, Changchun 130022, China
2
Centre for Optical and Electromagnetic Research, State Key Laboratory of Extreme Photonics and Instrumentation, International Research Center for Advanced Photonics, Zhejiang University, Hangzhou 310058, China
3
Ningbo Innovation Center, Zhejiang University, Ningbo 315100, China
4
National and Local Joint Engineering Research Center of Space Optoelectronics Technology, Changchun University of Science and Technology, Changchun 130022, China
5
School of Electronics and Information Engineering, Changchun University of Science and Technology, Changchun 130022, China
6
School of Mechanical and Electrical Engineering, Changchun University of Science and Technology, Changchun 130022, China
7
The 613th Research Institute of AVIC, Luoyang 471000, China
*
Author to whom correspondence should be addressed.
Photonics 2024, 11(4), 378; https://doi.org/10.3390/photonics11040378
Submission received: 7 March 2024 / Revised: 7 April 2024 / Accepted: 12 April 2024 / Published: 17 April 2024
(This article belongs to the Section Optoelectronics and Optical Materials)
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Abstract

When a platform carrying a space laser communication system moves through the atmosphere, the relative motion of the turret and the air produces fluctuations in the air density, which affects the beam propagation, and, hence, the laser communication performance. In this paper, we propose a performance analysis method for the space laser communication link to the airborne platform. By employing this method, which is based on a flow field simulation, we are able to determine the laser link’s communication performance curves for various flying situations. At an altitude of 5 km and a signal-to-noise ratio (SNR) of 10 dB for the laser communication link, the bit error rate (BER) under a flight speed of 0.4 Mach is 5.1×10−4. With each 0.1 Mach increase in speed, the BER decreases by approximately 6×10−5. If the flight speed is 0.8 Mach and the flight altitude increases from 5 km to 10 km, the BER decreases from 7.26×10−4 to 1.89×10−4, but the system becomes more sensitive to changes in flight speed. Under the same flight altitude conditions, the beam spot on the downwind side is more affected by airflow, resulting in a general increase in the BER by approximately one order of magnitude, compared to the upwind side.
Keywords: free-space optical; communication; wavefront aberration; aero-optics; communication performance evaluation free-space optical; communication; wavefront aberration; aero-optics; communication performance evaluation

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MDPI and ACS Style

Zhang, X.; Gao, S.; Liu, Z.; Jiang, Q.; Meng, L.; Wang, H.; Dong, K. Impact of Motion Characteristics of Airborne Platforms on the Performance of Space Laser Communication Links. Photonics 2024, 11, 378. https://doi.org/10.3390/photonics11040378

AMA Style

Zhang X, Gao S, Liu Z, Jiang Q, Meng L, Wang H, Dong K. Impact of Motion Characteristics of Airborne Platforms on the Performance of Space Laser Communication Links. Photonics. 2024; 11(4):378. https://doi.org/10.3390/photonics11040378

Chicago/Turabian Style

Zhang, Xin, Shiming Gao, Zhi Liu, Qingfang Jiang, Lixin Meng, Helong Wang, and Keyan Dong. 2024. "Impact of Motion Characteristics of Airborne Platforms on the Performance of Space Laser Communication Links" Photonics 11, no. 4: 378. https://doi.org/10.3390/photonics11040378

APA Style

Zhang, X., Gao, S., Liu, Z., Jiang, Q., Meng, L., Wang, H., & Dong, K. (2024). Impact of Motion Characteristics of Airborne Platforms on the Performance of Space Laser Communication Links. Photonics, 11(4), 378. https://doi.org/10.3390/photonics11040378

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