Investigation of the Scattering Noise in Underwater Optical Wireless Communications

Majlesein, Behnaz, Gholami, Asghar and Ghassemlooy, Zabih (2021) Investigation of the Scattering Noise in Underwater Optical Wireless Communications. Sci, 3 (2). p. 27. ISSN 2413-4155

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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.

Item Type: Article
Uncontrolled Keywords: UOWC; scattering; scattering noise
Subjects: H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: Elena Carlaw
Date Deposited: 01 Jun 2021 09:11
Last Modified: 31 Jul 2021 11:17

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