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Prototyping the Li-Fi System Based on IEEE 802.15.7 PHY.II.1 Standard Compliance

Syifaul Fuada1, Trio Adiono2, Fuad Ismail3, and Erwin Setiawan2
1. Program Studi Sistem Telekomunikasi, Universitas Pendidikan Indonesia, Bandung (40154), Indonesia
2. University Center of Excellence on Microelectronics, Institut Teknologi Bandung (40116), Indonesia
3. Electrical Engineering Department, School of Electrical Engineering and Informatics, Institut Teknologi Bandung, Bandung (40132), Indonesia

Abstract—By using Visible Light Communication (VLC), in contrast to radio waves, the secure connection can be established more efficiently since the visible light could not radiate through most solid objects. VLC has been applied for many use cases, one of them is Light-Fidelity (Li-Fi). With Li- Fi, internet access is no longer using conventional RF spectrum as employed in Wi-Fi technology but apply visible light. In this paper, we present the design and implementation of a Li-Fi on a System on Chip (SoC) with a low-cost discrete analog front end (AFE). We used ZYBO Zynq-7000 as a digital signal processing, 8 Watt yellow-colored high-brightness LED (HBLED) for downlink transmitter, and 3 Watts infrared LED (IR LED) for uplink transmitter. Our system is developed compliant with the IEEE 802.15.7 standard, i.e. PHY II.1. According to the result, our Li-Fi system makes the PC/Laptop connected to any internet sources with a maximum speed up to 500 kb/s, and the maximum optical channel distance (range between the light source and the light receptors) is about 110 cm with two lenses.  

Index Terms—IEEE 802.15.7, Li-Fi, system-on-chip, visible light communication

Cite: Syifaul Fuada, Trio Adiono, Fuad Ismail, and Erwin Setiawan, "Prototyping the Li-Fi System Based on IEEE 802.15.7 PHY.II.1 Standard Compliance," Journal of Communications vol. 15, no. 6, pp. 519-527, June 2020. Doi: 10.12720/jcm.15.6.519-527

Copyright © 2020 by the authors. This is an open access article distributed under the Creative Commons Attribution License (CC BY-NC-ND 4.0), which permits use, distribution and reproduction in any medium, provided that the article is properly cited, the use is non-commercial and no modifications or adaptations are made.