Designing and Simulation of 30Gbps FSO Communication Link Under Different Atmospheric and Cloud Conditions
How to Cite?
Pranav Bhatt, Dr.Bhavin Sedani, Dr.Nirali Kotak, "Designing and Simulation of 30Gbps FSO Communication Link Under Different Atmospheric and Cloud Conditions," International Journal of Engineering Trends and Technology, vol. 69, no. 5, pp. 228-234, 2021. Crossref, https://doi.org/10.14445/22315381/IJETT-V69I5P229
RF communication has inherent limitations in terms of bandwidth (data capacity). Upcoming satellite technology demands a higher data rate and higher reliability, i.e., a lower bit error rate. Now Free-space optical communication (FSO) is basically an emerging optical wireless communication technique, which can provide extremely high data rates because it operates on frequencies above 300 GHz. This paper simulates 30 Gbps ground-to-geostationary satellite-FSO communication link under different atmospheric effects like haze & fog; and under different types of cloud-like stratus, cumulus & cumulonimbus; while doing so, the effect of moderate atmospheric turbulence and intensity scintillation is always considered. The work shows that a 2×2 MIMO system having QPSK modulation with coherent detection and digital signal processing gives an extremely low symbol error rate in almost all weather and all cloud conditions.
FSO link, Atmospheric Turbulence, Intensity Scintillation, SER.
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