Performances of Free Space Optical Link under a Controlled Atmospheric Turbulence Channel

Fabiyi, Elizabeth, Tang, Xuan, Ghassemlooy, Zabih, Mansour Abadi, Mojtaba and Popoola, Wasiu Oyewole (2014) Performances of Free Space Optical Link under a Controlled Atmospheric Turbulence Channel. In: 15th Annual Postgraduate Symposium on the Convergence of Telecommunications, Network and Broadcasting, 23rd - 24th June 2014, Liverpool, UK.

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Abstract

In this paper a controlled lab chamber is used to simulate the outdoor free space optical (FSO) communication channel under moderate turbulence regime. The turbulence was generated by using high temperature gradients as well as blowing wind parallel along the optical path of ~ 7.1 m. A modulated laser beam using on-off keying (OOK) signaling scheme propagated through this simulated turbulence chamber and the received signal was analysed in order to study the performance of FSO link under moderate turbulence regime. The experimental setup has been discussed in details. The results of the eye diagrams and quality-factor (Q-factor) of the received signals are presented. The results show the accuracy of chamber which is used to characterize the moderate turbulence regime.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Free space optics, OOK, atmospheric turbulence, eye diagrams, Q-factor
Subjects: H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: Paul Burns
Date Deposited: 23 Sep 2014 09:44
Last Modified: 24 Oct 2017 08:52
URI: http://nrl.northumbria.ac.uk/id/eprint/17650

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