Investigation of the Scattering Noise in Underwater Optical Wireless Communications

Behnaz Majlesein, Asghar Gholami, Zabih Ghassemlooy*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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Abstract

In underwater optical wireless communications (UOWC), scattering of the propagating light beam results in both intensity and phase variations, which limit the transmission link range and channel bandwidth, respectively. Scattering of photons while propagating through the channel is a random process, which results in the channel-dependent scattering noise. In this work, we introduce for the first time an analytical model for this noise and investigate its effect on the bit error rate performance of the UOWC system for three types of waters and a range of transmission link spans. We show that, for a short range of un-clear water or a longer range of clear water, the number of photons experiencing scattering is high, thus leading to the increased scattering noise. The results demonstrate that the FEC limit of 3×10−3 and considering the scattering noise, the maximum link spans are 51.5, 20, and 4.6 m for the clear, coastal, and harbor waters, respectively.
Original languageEnglish
Article number27
Pages (from-to)1-9
Number of pages9
JournalSci
Volume3
Issue number2
Early online date1 Jun 2021
DOIs
Publication statusE-pub ahead of print - 1 Jun 2021

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