research-article

Turboboosting Visible Light Backscatter Communication

Authors:

Chenren XuAuthors Info & Claims

SIGCOMM '20: Proceedings of the Annual conference of the ACM Special Interest Group on Data Communication on the applications, technologies, architectures, and protocols for computer communication

Pages 186 - 197

https://doi.org/10.1145/3387514.3406229

Published: 30 July 2020 Publication History

Abstract

Visible light backscatter communication (VLBC) presents an emerging low power IoT connectivity solution with spatial reuse and interference immunity advantages over RF-based (backscatter) technologies. State-of-the-art VLBC systems employ COTS LCD shutter as optical modulator, whose slow response fundamentally throttles its data rate to sub-Kbps, and limits its deployment at scale for use cases where higher rate and/or low latency is a necessity.

We design and implement RetroTurbo, a VLBC system dedicated for turboboosting data rate. At the heart of RetroTurbo design is a pair of novel modulation schemes, namely delayed superimposition modulation (DSM) and polarization-based QAM (PQAM), to push the rate limit by strategically coordinating the state of a liquid crystal modulator (LCM) pixel array in time and polarization domains. Specifically, DSM ensures we fully exploit the available SNR for high order modulation in the LCM-imposed nonlinear channel; PQAM is based on polarized light communication that creates a QAM design in polarization domain with flexible angular misalignment between two ends. A real-time near-optimal demodulation algorithm is designed to ensure system's robustness to heterogeneous signal distortion. Based on our prototyped system, RetroTurbo demonstrates 32x and 128x rate gain via experiments and emulation respectively in practical real-world indoor setting.

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Cited By

Tapia MRodríguez DZamalloa M(2024)Edge-Light: Exploiting Luminescent Solar Concentrators for Ambient Light CommunicationProceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies10.1145/36785748:3(1-23)Online publication date: 9-Sep-2024
https://dl.acm.org/doi/10.1145/3678574
Scott DBringle MFahad IMorales GZahid ASwaminathan S(2024)NeuroCamTags: Long-Range, Battery-free, Wireless Sensing with Neuromorphic CamerasProceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies10.1145/36785298:3(1-25)Online publication date: 9-Sep-2024
https://dl.acm.org/doi/10.1145/3678529
Ghiasi SZuniga MShu YLiu JTan RHe YChen J(2024)Exploiting Polarization and Color to Enable MIMO Backscattering with LightProceedings of the 22nd ACM Conference on Embedded Networked Sensor Systems10.1145/3666025.3699373(771-783)Online publication date: 4-Nov-2024
https://dl.acm.org/doi/10.1145/3666025.3699373
Show More Cited By

Index Terms

Turboboosting Visible Light Backscatter Communication
1. Computer systems organization
  1. Embedded and cyber-physical systems
    1. Embedded systems
2. Hardware
  1. Communication hardware, interfaces and storage
    1. Wireless devices

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cover image ACM Conferences

SIGCOMM '20: Proceedings of the Annual conference of the ACM Special Interest Group on Data Communication on the applications, technologies, architectures, and protocols for computer communication

July 2020

814 pages

ISBN:9781450379557

DOI:10.1145/3387514

Copyright © 2020 ACM.

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: 30 July 2020

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SIGCOMM '20: Annual conference of the ACM Special Interest Group on Data Communication on the applications, technologies, architectures, and protocols for computer communication

August 10 - 14, 2020

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Cited By

Tapia MRodríguez DZamalloa M(2024)Edge-Light: Exploiting Luminescent Solar Concentrators for Ambient Light CommunicationProceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies10.1145/36785748:3(1-23)Online publication date: 9-Sep-2024
https://dl.acm.org/doi/10.1145/3678574
Scott DBringle MFahad IMorales GZahid ASwaminathan S(2024)NeuroCamTags: Long-Range, Battery-free, Wireless Sensing with Neuromorphic CamerasProceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies10.1145/36785298:3(1-25)Online publication date: 9-Sep-2024
https://dl.acm.org/doi/10.1145/3678529
Ghiasi SZuniga MShu YLiu JTan RHe YChen J(2024)Exploiting Polarization and Color to Enable MIMO Backscattering with LightProceedings of the 22nd ACM Conference on Embedded Networked Sensor Systems10.1145/3666025.3699373(771-783)Online publication date: 4-Nov-2024
https://dl.acm.org/doi/10.1145/3666025.3699373
Wang YShen YXu KHassan MZhao GXu CHu WShu YLiu JTan RHe YChen J(2024)Towards High-Speed Passive Visible Light Communication with Event Cameras and Digital Micro-MirrorsProceedings of the 22nd ACM Conference on Embedded Networked Sensor Systems10.1145/3666025.3699368(704-717)Online publication date: 4-Nov-2024
https://dl.acm.org/doi/10.1145/3666025.3699368
Xie PLi LWang JLiu Y(2024)Passive Visible Light Tag System for Localization and Posture EstimationIEEE Transactions on Mobile Computing10.1109/TMC.2023.334880223:8(8541-8556)Online publication date: Aug-2024
https://doi.org/10.1109/TMC.2023.3348802
Zou XLiu JHan JWang Z(2024)Exploring Polarization in Hybrid Modulation for LED-Camera CommunicationIEEE Transactions on Mobile Computing10.1109/TMC.2023.3300315(1-14)Online publication date: 2024
https://doi.org/10.1109/TMC.2023.3300315
Chávez Tapia MXu TZamalloa M(2024)Sol-Fi: Enabling Joint Illumination and Communication in Enclosed Areas with Sunlight2024 23rd ACM/IEEE International Conference on Information Processing in Sensor Networks (IPSN)10.1109/IPSN61024.2024.00010(63-74)Online publication date: 13-May-2024
https://doi.org/10.1109/IPSN61024.2024.00010
Shao SSalustri AHeusser AKhaniani HHassanalian MRoghanchi P(2024)Downlink-Uplink Symmetry in Mobile Battery-Free Retro-Reflective VLC: Enabling Sensing-Assisted Communications2024 IEEE International Conference on Communications Workshops (ICC Workshops)10.1109/ICCWorkshops59551.2024.10615381(1061-1066)Online publication date: 9-Jun-2024
https://doi.org/10.1109/ICCWorkshops59551.2024.10615381
Gong WLiu JWu WGong WLiu JWu W(2024)Cross-Technology Backscatter for Smart Health MonitoringPractical Backscatter Communication for the Internet of Things10.1007/978-3-031-59254-6_4(59-75)Online publication date: 21-Apr-2024
https://doi.org/10.1007/978-3-031-59254-6_4
Liu XWang WSong GZhu TCalandrino JTroncoso C(2023)LightThiefProceedings of the 32nd USENIX Conference on Security Symposium10.5555/3620237.3620535(5325-5339)Online publication date: 9-Aug-2023
https://dl.acm.org/doi/10.5555/3620237.3620535
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