research-article

DenseVLC: a cell-free massive MIMO system with distributed LEDs

Authors:

Ander Galisteo,

Domenico Giustiniano,

Sofie PollinAuthors Info & Claims

CoNEXT '18: Proceedings of the 14th International Conference on emerging Networking EXperiments and Technologies

Pages 320 - 332

https://doi.org/10.1145/3281411.3281423

Published: 04 December 2018 Publication History

Abstract

LED luminaries are now deployed densely in indoor areas to provide uniform illumination. Visible Light Communication (VLC) can also benefit from this dense LED infrastructure. In this paper, we propose DenseVLC, a cell-free massive MIMO system enabled by densely distributed LEDs, that forms different beamspots to serve multiple receivers simultaneously. Given a power budget for communication, DenseVLC can optimize the system throughput by properly assigning the power budget among the distributed LEDs. We formulate an optimization problem to derive the optimal policy for the power allocation. Our insights from the optimal policies allow us to simplify DenseVLC's system design and propose a heuristic algorithm that can reduce the complexity by 99.96%. Besides, we propose a novel synchronization method using non-line-of-sight VLC to synchronize all the transmitters that will form a beamspot to serve the same receiver. We implement DenseVLC with off-the-shelf devices, solve practical challenges in the system design, and evaluate it with extensive and realistic experiments in a system of 36 transmitters and 4 receivers in an area of 3 m x 3 m. Our results show that DenseVLC can improve the average system throughput by 45%, or improve the average power efficiency by 2.3 times, while maintaining the requirement for uniform illumination.

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Cited By

Mir MGuzman BVarshney AGiustiniano D(2024)LiFi for Low-Power and Long-Range RF BackscatterIEEE/ACM Transactions on Networking10.1109/TNET.2023.334431632:3(2237-2252)Online publication date: Jun-2024
https://doi.org/10.1109/TNET.2023.3344316
Miao PChen GYao YWong KChambers J(2024)Adaptive User Association for Dense Visible Light Communication Networks in the Presence of Nonlinear ImpairmentsIEEE Transactions on Communications10.1109/TCOMM.2024.336778572:7(4243-4258)Online publication date: Jul-2024
https://doi.org/10.1109/TCOMM.2024.3367785
Sejan MRahman MAziz MKim DYou YSong H(2023)A Comprehensive Survey on MIMO Visible Light Communication: Current Research, Machine Learning and Future TrendsSensors10.3390/s2302073923:2(739)Online publication date: 9-Jan-2023
https://doi.org/10.3390/s23020739
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DenseVLC: a cell-free massive MIMO system with distributed LEDs

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cover image ACM Conferences

CoNEXT '18: Proceedings of the 14th International Conference on emerging Networking EXperiments and Technologies

December 2018

408 pages

ISBN:9781450360807

DOI:10.1145/3281411

General Chairs:
Xenofontas Dimitropoulos
University of Crete and FORTH, Greece
,
Alberto Dainotti
CAIDA, University of California, San Diego
,
Program Chairs:
Laurent Vanbever
ETH Zurich, Switzerland
,
Theophilus Benson
Brown University

Copyright © 2018 ACM.

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New York, NY, United States

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Published: 04 December 2018

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Fonds Wetenschappelijk Onderzoek
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CoNEXT '18

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CoNEXT '18: The 14th International Conference on emerging Networking EXperiments and Technologies

December 4 - 7, 2018

Heraklion, Greece

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Cited By

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https://doi.org/10.1109/TNET.2023.3344316
Miao PChen GYao YWong KChambers J(2024)Adaptive User Association for Dense Visible Light Communication Networks in the Presence of Nonlinear ImpairmentsIEEE Transactions on Communications10.1109/TCOMM.2024.336778572:7(4243-4258)Online publication date: Jul-2024
https://doi.org/10.1109/TCOMM.2024.3367785
Sejan MRahman MAziz MKim DYou YSong H(2023)A Comprehensive Survey on MIMO Visible Light Communication: Current Research, Machine Learning and Future TrendsSensors10.3390/s2302073923:2(739)Online publication date: 9-Jan-2023
https://doi.org/10.3390/s23020739
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Masoumi HJohar MSalehiyan AEmadi M(2023)Fairness analysis of indoor multi‐user communications through steerable IR‐beamIET Optoelectronics10.1049/ote2.1208817:2-3(77-86)Online publication date: 3-Feb-2023
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Ibhaze AImoize AOkoyeigbo O(2022)A Brief Overview of Energy Efficiency Resources in Emerging Wireless Communication SystemsTelecom10.3390/telecom30200163:2(281-300)Online publication date: 28-Apr-2022
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Xu KGong CLiang BWu YDi BSong LXu CGummeson JLee SGao JXing G(2022)Low-Latency Visible Light Backscatter Networking with RetroMUMIMOProceedings of the 20th ACM Conference on Embedded Networked Sensor Systems10.1145/3560905.3568507(448-461)Online publication date: 6-Nov-2022
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