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21 August 2013 Research on receiving performance of receiver antenna array in free space optical communication system
Yi Wang, Qiu-li Zhang, Jing Ma, Liying Tan
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Proceedings Volume 8906, International Symposium on Photoelectronic Detection and Imaging 2013: Laser Communication Technologies and Systems; 89060C (2013) https://doi.org/10.1117/12.2032061
Event: ISPDI 2013 - Fifth International Symposium on Photoelectronic Detection and Imaging, 2013, Beijing, China
Abstract
Based on electromagnetic wave radiation theory, the important parameters of the receiver antenna is analyzed, we analyze the relationship between the receiving antenna array characteristics and the method of improve antenna array gain. The receive performance is compared between a single receiver antenna and the antenna array. Based on the refractive index fluctuation of atmosphere follow the Kolmogorov power spectrum, the relationship between the receiving antenna array and improve coupling efficiency are analyzed in free-space optical communication systems through atmospheric turbulence. The simulations show that the receiving performance of antenna array is better than a single large aperture antenna. The optimum number of the sub-antennas and aperture diameter differ according to the area of the antenna array. In different atmospheric turbulent, the effect of improve coupling efficiency are analyzed between a single receiver antenna and the receiving antenna array. In the aspect of improve the coupling efficiency, the antenna array is better than optical antenna in medium, strong atmospheric turbulent.
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Yi Wang, Qiu-li Zhang, Jing Ma, and Liying Tan "Research on receiving performance of receiver antenna array in free space optical communication system", Proc. SPIE 8906, International Symposium on Photoelectronic Detection and Imaging 2013: Laser Communication Technologies and Systems, 89060C (21 August 2013); https://doi.org/10.1117/12.2032061
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KEYWORDS
Antennas
Receivers
Free space optical communications
Telecommunications
Atmospheric turbulence
Optical antennas
Turbulence
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