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Multi-LED multi-datastream dome bulb for dense visible light communication networks

Published: 21 September 2020 Publication History

Abstract

In this paper, we consider multi-datastream VLC networks serving dense IoT deployments and propose a "dome bulb" that consists of a multi-LED array with a dome-shaped lens structure to separate each LED's beam for spatial reuse. Each LED has Lambertian irradiance distribution that can be collected and directed to receiver location using a wide field-of-view (FOV) lens system. Within the FOV, each LED's divergence angle is narrowed to improve spatial reuse, which also brings the problem of spotty lighting. We analyze the dome bulb in terms of illumination uniformity and Signal-to-Interference-Noise Ratio (SINR) provided to receivers in the room. We also present a channel model based on the simulated SINR.

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  • (2022)A Multi-LED Dome Bulb Prototype for Dense Visible Light Communication NetworksJournal of Lightwave Technology10.1109/JLT.2022.316792240:14(4621-4634)Online publication date: 15-Jul-2022

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    cover image ACM Conferences
    LIOT '20: Proceedings of the Workshop on Light Up the IoT
    September 2020
    62 pages
    ISBN:9781450380997
    DOI:10.1145/3412449
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    Publication History

    Published: 21 September 2020

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    Author Tags

    1. illumination uniformity
    2. multi-datastream optical communication networks
    3. visible light communications

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    • National Science Foundation

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    Overall Acceptance Rate 10 of 10 submissions, 100%

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    • (2022)A Multi-LED Dome Bulb Prototype for Dense Visible Light Communication NetworksJournal of Lightwave Technology10.1109/JLT.2022.316792240:14(4621-4634)Online publication date: 15-Jul-2022

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