Visible Light Communication (VLC) between Electronic Devices
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Date
2019-05
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Publisher
The Ohio State University
Abstract
Visible Light Communication (VLC) is a form of wireless communication that uses lightwaves to transmit and receive data. The use of VLC technology has gained significant popularity in recent years. Li-Fi is a popular example of VLC, in which separate equipment needs to be installed to the mobile devices to decode data transmitted from Li-Fi enabled bulbs. The objective of this project is to build a VLC system, utilizing the existing components of existing mobile devices. In particular, we will utilize the screen as the transmitting unit of the information and the camera as the unit, capturing the transmitted signal, on which we encode English text. To that end, we have implemented the transceiver as a Matlab application. Our system has a position recovery, synchronization, and error correction layers built in. Our main objective was to achieve robust communication, albeit at low rates, due to the limitations of the components and the channel.
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Keywords
VLC, OWC, Hamming Code, Synchronization