Abstract / truncated to 115 words (read the full abstract)

The growing need for Earth observation and monitoring systems has stimulated considerable interest in free-space optical wireless (FSO) systems because of the huge bandwidth requirements. However, terrestrial FSO links are severely impacted by weather conditions especially dense fog to a larger extent while, rain and snow to a lesser extent. For the proper deployment of FSO technology requires a better understanding of the free-space channel transmission characteristics as they have major influence on the transmission link properties like link availability, reliability and quality of service. This thesis provides new insight on the fog microphysics, its characterization and the fog attenuation modeling. A comprehensive analysis of the measured fog attenuations is presented by building the discussion ... toggle 8 keywords

channel modeling – optical wireless – drop size distribution – fog microphysics – modified gamma distribution – probability density function estimation – optical attenuations – visibility range.

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