Cost-effective test-bed for secure visible-light communication
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Date
2022
Authors
Gurcuoglu, Oguz
Erdem, Mehmet Can
Ferhanoglu, Onur
Panayırcı, Erdal
Kurt, Gunes Karabulut
Journal Title
Journal ISSN
Volume Title
Publisher
Spie-Soc Photo-Optical Instrumentation Engineers
Abstract
This study presents a real-time hardware implementation of a novel physical layer security algorithm developed for visible-light communications (VLCs) based on precoded spatial modulation (SM). The demonstration was carried out on a low-cost 70 cm x 40 cm x 40 cm miniature room model with four light-emitting diodes (LEDs) as a test-bed for conducting experiments in the field of VLC. The test-bed is a 10:1 shrunk replica of a conventional room and can be built with simple office supplies totaling <$10, excluding drive and collection optoelectronic components. While being cost-friendly, the test-bed also allows for (i) integrating optical components and (ii) carving desired window and door patterns with different cardboard color tones. Hence, the effects of reflections from different colored walls and the effect of external light sources can be observed on the performance of the secure VLC system. We successfully demonstrate the operation of the zero-forcing precoder and the SM on the built set up to provide robust and secure communication among the transmitting LEDs and the receivers, representing the legitimate user and the eavesdropper, for the first time in the literature. The secrecy capacity improvement is also noted, validating the proposed approach in realistic environments. (C) 2022 Society of Photo-Optical Instrumentation Engineers (SPIE)
Description
Keywords
Physical-Layer Security, Systems, visible-light communication, optical communication equipment, Physical-Layer Security, optical modulation, Systems, communication system security
Turkish CoHE Thesis Center URL
Citation
0
WoS Q
N/A
Scopus Q
Q2
Source
Optical Engineering
Volume
61
Issue
6