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VuLCAN: A Low-cost, Low-power Embedded Visible Light Communication And Networking Platform

Published: 25 November 2019 Publication History

Abstract

Visible Light Communication (VLC) offers a key alternative to the spectrum-challenged Radio Frequency (RF)-based forms of data transmission by tapping an unutilized and unregulated frequency band. Carefully designed low-cost VLC devices have the potential to enable the Internet of Things (IoT) at scale by reducing the current RF spectrum congestion, which is one of the major obstacles to the pervasiveness of the IoT. Wide adoption of VLC devices is however hindered by their current shortcomings, including low data rate, very short range and inability to communicate in noisy environment. In this paper we describe a new software-defined VLC prototype named VuLCAN for Visible Light Communication And Networking that overcomes these limitations. VuLCAN is based on an ARM Cortex M7 core microcontroller with fast sampling analog-to-digital converter along with power-optimized Digital Signal Processing (DSP) libraries. Using BFSK modulation, the prototype achieves a data rate of 65 Kbps over a communication range of 4.5 m. VuLCAN also provides robust and reliable communications in highly illuminated environments (up to 800 lux) using only a low power Light Emitting Diode (LED), largely exceeding the capabilities of current state-of-the-art prototypes.

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  • (2020)Analytical and simulation tools for optical camera communicationsComputer Communications10.1016/j.comcom.2020.05.036Online publication date: May-2020

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cover image ACM Conferences
MSWIM '19: Proceedings of the 22nd International ACM Conference on Modeling, Analysis and Simulation of Wireless and Mobile Systems
November 2019
340 pages
ISBN:9781450369046
DOI:10.1145/3345768
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Published: 25 November 2019

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Author Tags

  1. embedded software
  2. free-space optical
  3. internet of things
  4. visible light communication

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  • (2020)Analytical and simulation tools for optical camera communicationsComputer Communications10.1016/j.comcom.2020.05.036Online publication date: May-2020

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