Hybrid VLC Communications System for Increased Security Based on Raspberry Pi Microcomputer

Authors

  • Andrei Scheianu BEIA CONSULT INTERNATIONAL
  • George Suciu BEIA CONSULT INTERNATIONAL
  • Alexandru Drosu BEIA CONSULT INTERNATIONAL
  • Ioana Petre BEIA CONSULT INTERNATIONAL
  • Delia Miu BEIA CONSULT INTERNATIONAL

DOI:

https://doi.org/10.51381/adrs.v3i1.44

Keywords:

VLC, Infrared, Radio-Frequency, Micro-bolometer, Raspberry Pi

Abstract

VLC (Visible Light Communications) technology represents nowadays a new paradigm that could have a significant impact on future wireless communications. Although this technology has many advantages, one of the most common problem generated by the use of optical communication systems (based on the light in the visible spectrum), is the increased degree of disruption of the communication channel under the direct sunlight influence. The purpose of this article is to present the technological developments specific to the VLC/IR-RF (Visible Light Communication / Infrared - Radio-Frequency) hybrid system developed in the framework of a scientific research project started in 2017, which were recorded during the first half of 2019. This system based on multiple sensory devices such as temperature, motion, light intensity, dust, IR and microbolometer sensors will present the ability of intelligent monitoring and control of indoor environments (houses, office buildings, universities, campuses, etc.). From the point of view of the final purpose of the project, this will result in a hybrid bidirectional optical communication system capable of supporting high transfer rates, increased resistance to the specific sunlight disturbance, and the possibility of transmitting sensory information over long distances. The previous experimentation activities undertaken during the project were based on the use of the Arduino UNO development boards. Currently, it has been chosen to replace them with the development boards based on the ARM Cortex-A53 processor, in order to improve the system’s performance. The Arduino development boards have limited the performance of the communications system from the point of view of the transfer speeds and distances. The new Raspberry Pi development boards, being a complete operating and control system, presents high operational performances that can be used in favor of the final goal of the project.

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Published

2020-11-17

How to Cite

Scheianu, A., Suciu, G., Drosu, A., Petre, I., & Miu, D. (2020). Hybrid VLC Communications System for Increased Security Based on Raspberry Pi Microcomputer. Annals of Disaster Risk Sciences, 3(1). https://doi.org/10.51381/adrs.v3i1.44

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