Spectral model of optical scintillation for terrestrial free-space optical communication link design

Kyung-Hwan Kim; Takeshi Higashino; Katsutoshi Tsukamoto; Shozo Komaki; Kamugisha Kazaura; Mitsuji Matsumoto

doi:10.1117/1.3557487

1 March 2011 Spectral model of optical scintillation for terrestrial free-space optical communication link design

Kyung-Hwan Kim, Takeshi Higashino, Katsutoshi Tsukamoto, Shozo Komaki, Kamugisha Kazaura, Mitsuji Matsumoto

Author Affiliations +

Optical Engineering, Vol. 50, Issue 3, 035005 (March 2011). https://doi.org/10.1117/1.3557487

Abstract

Since a deep and long-term fading in optical intensity results in considerable burst errors in the data, a terrestrial free-space optical (FSO) system has to be designed with consideration of a frequency characteristic of optical scintillation to achieve high quality wireless services over the link. In designing a terrestrial FSO link, we had better design the system considering variations caused by some slow time-varying parameters. This paper proposes a Butterworth-type spectral model of optical scintillation to design a terrestrial FSO link, which enables us to estimate the power spectral density of optical scintillation in a current optical wireless channel when time zone and weather parameters, such as temperature and rainfall intensity, are given. The spectral parameters of optical scintillation, cut-off frequency, and spectral slope are estimated from the data obtained in the experiment, and then their dependencies on time zone, temperature, and rainfall intensity are examined.

©(2011) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Kyung-Hwan Kim, Takeshi Higashino, Katsutoshi Tsukamoto, Shozo Komaki, Kamugisha Kazaura, and Mitsuji Matsumoto "Spectral model of optical scintillation for terrestrial free-space optical communication link design," Optical Engineering 50(3), 035005 (1 March 2011). https://doi.org/10.1117/1.3557487

Published: 1 March 2011

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