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SmartVLC: When Smart Lighting Meets VLC

Published: 28 November 2017 Publication History
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  • Abstract

    Visible Light Communication (VLC) based on LEDs has been a hot topic investigated for over a decade. However, most of the research efforts in this area assume the intensity of the light emitted from LEDs is constant. This is not true any more when Smart Lighting is introduced to VLC in recent years, which requires the LEDs to adapt their brightness according to the intensity of the natural ambient light. Smart lighting saves power consumption and improves user comfort. However, intensity adaptation severely affects the throughput performance of the data communication. In this paper, we propose SmartVLC, a system that can maximize the throughput (benefit communication) while still maintaining the LEDs' illumination function (benefit smart lighting). A new adaptive multiple pulse position modulation scheme is proposed to support fine-grained dimming levels to avoid flickering and at the same time, maximize the throughput under each dimming level. SmartVLC is implemented on low-cost commodity hardware and several real-life challenges in both hardware and software are addressed to make SmartVLC a robust realtime system. Comprehensive experiments are carried out to evaluate the performance of SmartVLC under multifaceted scenarios. The results demonstrate that SmartVLC supports a communication distance up to 3.6m, and improves the throughput achieved with two state-of-the-art approaches by 40% and 12% on average, respectively, without bringing any flickering to users.

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    Cited By

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    • (2024)Exploiting Fine-grained Dimming with Improved LiFi ThroughputACM Transactions on Sensor Networks10.1145/364381420:3(1-24)Online publication date: 13-Apr-2024
    • (2022)Machine Learning Methods in Smart Lighting Toward Achieving User Comfort: A SurveyIEEE Access10.1109/ACCESS.2022.316976510(45137-45178)Online publication date: 2022
    • (2021)Pushing the Data Rate of Practical VLC via Combinatorial Light EmissionIEEE Transactions on Mobile Computing10.1109/TMC.2020.297120420:5(1979-1992)Online publication date: 1-May-2021
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      cover image ACM Conferences
      CoNEXT '17: Proceedings of the 13th International Conference on emerging Networking EXperiments and Technologies
      November 2017
      492 pages
      ISBN:9781450354226
      DOI:10.1145/3143361
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      Publication History

      Published: 28 November 2017

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      Author Tags

      1. AMPPM
      2. Evaluation
      3. Implementation
      4. Smart lighting
      5. System design
      6. Visible light communication
      7. flickering-free

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      View all
      • (2024)Exploiting Fine-grained Dimming with Improved LiFi ThroughputACM Transactions on Sensor Networks10.1145/364381420:3(1-24)Online publication date: 13-Apr-2024
      • (2022)Machine Learning Methods in Smart Lighting Toward Achieving User Comfort: A SurveyIEEE Access10.1109/ACCESS.2022.316976510(45137-45178)Online publication date: 2022
      • (2021)Pushing the Data Rate of Practical VLC via Combinatorial Light EmissionIEEE Transactions on Mobile Computing10.1109/TMC.2020.297120420:5(1979-1992)Online publication date: 1-May-2021
      • (2020)PassiveVLPACM Transactions on Internet of Things10.1145/33621231:1(1-24)Online publication date: 2-Mar-2020
      • (2020)Optimization of SINR and Illumination Uniformity in Multi-LED Multi-Datastream VLC NetworksIEEE Transactions on Cognitive Communications and Networking10.1109/TCCN.2020.29723106:3(1108-1121)Online publication date: Sep-2020
      • (2020)Green indoor optical wireless communication systems: pathway towards pervasive deploymentDigital Communications and Networks10.1016/j.dcan.2020.09.004Online publication date: Sep-2020
      • (2019)Visible Light Communication: A System Perspective—Overview and ChallengesSensors10.3390/s1905115319:5(1153)Online publication date: 7-Mar-2019
      • (2019)LuxLinkProceedings of the 17th Conference on Embedded Networked Sensor Systems10.1145/3356250.3360021(166-178)Online publication date: 10-Nov-2019
      • (2019)A Prototype of FPGA-based Centralized Multiple Transmitters for Visible Light Communications2019 6th NAFOSTED Conference on Information and Computer Science (NICS)10.1109/NICS48868.2019.9023844(142-147)Online publication date: Dec-2019
      • (2019)Li-Fi for Augmented Reality Glasses: A Proof of Concept2019 IEEE International Symposium on Mixed and Augmented Reality Adjunct (ISMAR-Adjunct)10.1109/ISMAR-Adjunct.2019.00-32(263-268)Online publication date: Oct-2019
      • Show More Cited By

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