Investigation of Underwater Optical Wireless Communications with Turbulence

Zahra Vali, Asghar Gholami, Fary Ghassemlooy, Masood Omoomi

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Abstract

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.
Original languageEnglish
Publication statusPublished - 25 Apr 2018
EventFirst West Asian Colloquium on Optical Wireless Communications - Isfahan, Iran, Islamic Republic of
Duration: 25 Apr 201825 Apr 2018
http://www.wacowc2018.iut.ac.ir/en/

Conference

ConferenceFirst West Asian Colloquium on Optical Wireless Communications
Country/TerritoryIran, Islamic Republic of
CityIsfahan
Period25/04/1825/04/18
Internet address

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