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http://dx.doi.org/10.3807/KJOP.2018.29.2.077

Link Availability of Terrestrial Free-space Optical Communication Systems in Korea  

Mai, Vuong V. (School of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST))
Ha, Dung T. (School of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST))
Kim, Hoon (School of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST))
Publication Information
Korean Journal of Optics and Photonics / v.29, no.2, 2018 , pp. 77-84 More about this Journal
Abstract
We analyze the link availability of terrestrial free-space optical (FSO) communication systems in Korea. For this purpose, we utilize several theoretical models to calculate the power losses induced by absorption and scattering in the atmospheric channel, using five-year meteorological data for three major cities in Korea (Seoul, Busan, and Daejeon). Also, we estimate the power variations at the receiver caused by scintillation in the data. Those power losses and variations are used to estimate the availability of FSO links in the three cities. The results show that link availability is estimated to be over 95% in Daejeon for a 3.5-km FSO link, when the transmitter power and receiver diameter are greater than 10 dBm and 7 cm respectively. Slightly worse link availabilities are obtained for Busan and Seoul.
Keywords
Free-space optics; Optical communication;
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