Experimental optimization of the hybrid RoMMF-FSO system using mode filtering techniques

Al-Musawi, Hassan, Cseh, Tamas, Bohata, Jan, Pesek, Petr, Ng, Wai Pang, Ghassemlooy, Zabih, Udvary, Eszter, Berceli, Tibor and Zvanovec, Stanislav (2016) Experimental optimization of the hybrid RoMMF-FSO system using mode filtering techniques. In: IEEE International Conference on Communications Workshops (ICC), 23-27 May 2016, Kuala Lumpur.

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Official URL: http://dx.doi.org/10.1109/ICCW.2016.7503821

Abstract

This paper proposes an optimum hybrid radio over multi-mode fiber and free space optics (RoMMF-FSO) system to enhance the last mile bottleneck issues of wireless communication systems. Single mode fiber (SMF) and gradient index (GRIN) lenses are used as mode filtering techniques to optimize the system performance by mitigating the modal effects produced by multimode optical fiber networks. We characterize the system based on the beam profile, transfer function, and error vector magnitude (EVM) measurements. The results reveal that both techniques can improve the EVM performance significantly by ~19% and ~30% using a SMF filter and SMF-GRIN lenses, respectively. Furthermore, the analysis of the obtained measurements show the SMF-GRIN lenses is more effective than SMF only with lower EVM values and negligible difference in the optical launch power.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Long-term evolution, free space optics, multimode optical fibers, radio-over-fiber
Subjects: H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Physics and Electrical Engineering
Depositing User: Becky Skoyles
Date Deposited: 11 Aug 2016 10:34
Last Modified: 11 Aug 2016 10:34
URI: http://nrl.northumbria.ac.uk/id/eprint/27552

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