Abstract
In this study, we have examined the optimum combination of optical variables including wavelength, the beam radius of a transmitter, and diameter of receiver aperture, to reduce the effects of scintillation, which is one of the factors that deteriorate the quality of optical wireless communication. Moreover, we have examined the modulation method that is resistant to the decrease in light intensity and the propagation mode of carriers that results in retaining the light intensity. As a result of the examinations, the optimum beam radii of transmitters and the optimum diameter of receiver apertures have been successfully found. Furthermore we have found that the effects of the scintillation can be reduced by using of the Laguerre–Gaussian beam wave as the carrier.
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