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Home / Advanced Science Letters, Volume 21, Number 10

Optical Mode Division Multiplexing for Secure Ro-FSO WLANs

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Authors: Amphawan, Angela 1 ; Chaudhary, Sushank 1 ; Elfouly, Tarek 2 ; Abualsaud, Khalid 2 ; 

Source: Advanced Science Letters, Volume 21, Number 10, October 2015, pp. 3046-3049(4)

Publisher: American Scientific Publishers

DOI: https://doi.org/10.1166/asl.2015.6518

The widespread deployment of various wireless radio access systems in public areas poses acute issues in frequency assignment. Radio-over-free-space-optics (Ro-FSO) technology enhances spectral efficiency and may pave the way towards a ubiquitous platform for radio and optical domains without optical fiber in local area networks. This paper investigates the performance of simultaneous optical mode division multiplexing of a donut mode, a Laguerre-Gaussian (LG) mode and two Hermite-Gaussian (HG) modes to realize 4×20 Gbps transmission in a Ro-FSO system under clear weather conditions. The power coupling coefficients, received power, signal-to-noise ratios and constellations and are analyzed.

Keywords: Donut Mode; Frequency Planning; Hermite-Gaussian Mode; Laguerre-Gaussian Mode; Microwave Photonics; Mode Division Multiplexing; Physical Layer Security; Ro-FSO; Wireless Local Area Network (WLAN)

Document Type: Research Article

Affiliations: 1: Integrated Optics Group, School of Computing, Universiti Utara Malaysia, Sintok, Kedah, Malaysia 2: Computer Science and Engineering Department, College of Engineering, Qatar University, Doha, Qatar

Publication date: 01 October 2015

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  • ADVANCED SCIENCE LETTERS is an international peer-reviewed journal with a very wide-ranging coverage, consolidates research activities in all areas of (1) Physical Sciences, (2) Biological Sciences, (3) Mathematical Sciences, (4) Engineering, (5) Computer and Information Sciences, and (6) Geosciences to publish original short communications, full research papers and timely brief (mini) reviews with authors photo and biography encompassing the basic and applied research and current developments in educational aspects of these scientific areas.
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