Investigation of Underwater Optical Wireless Communications with Turbulence

Vali, Zahra, Gholami, Asghar, Ghassemlooy, Zabih and Omoomi, Masood (2018) Investigation of Underwater Optical Wireless Communications with Turbulence. In: First West Asian Colloquium on Optical Wireless Communications, 25 April 2018, Isfahan.

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Turbulence is due to the random variations of the refractive index of the medium (in this case water), which leads to fluctuation or fading of the received light intensity. In wireless communications including underwater optical wireless communications the link performance is greatly affected. In this paper, we investigate the effect of turbulence on the probability density function (PDF) of the received light intensity. We show that lognormal and negative exponential distributions are fitted well with the PDFs of the received light intensity in weak-to-strong and saturated turbulence regimes. The goodness of fit test is performed to validate the conformity of these two distributions with the simulation results. Furthermore, we investigate the effect of the divergence angle of the Gaussian beam transmitter, the receiver’s aperture diameter and field of view on the scintillation index.

Item Type: Conference or Workshop Item (Paper)
Subjects: H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
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Depositing User: Becky Skoyles
Date Deposited: 13 Jul 2018 10:13
Last Modified: 11 Dec 2018 14:31

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