A Survey of NOMA for VLC Systems: Research Challenges and Future Trends
Sensors, 2022 Visible light communication (VLC) has become a promising technology for high data rate communications and an attractive complementary to conventional radio frequency (RF) communication. VLC is a secure, energy efficient and cost-effective technology that
Hesham Sadat +3 more
doaj +2 more sources
Optimized Design of Joint Mirror Array and Liquid Crystal-Based RIS-Aided VLC Systems [PDF]
IEEE Photonics Journal, 2023 Most studies of reflecting intelligent surfaces (RISs)-assisted visible light communication (VLC) systems have focused on the integration of RISs in the channel to combat the line-of-sight (LoS) blockage and to enhance the corresponding achievable data ...
Omar Maraqa, T. Ngatched
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Optical STAR-RIS-Aided VLC Systems: RSMA Versus NOMA [PDF]
IEEE Open Journal of the Communications Society, 2023 A critical concern within the realm of visible light communications (VLC) pertains to enhancing system data rate, particularly in scenarios where the direct line-of-sight (LoS) connection is obstructed by obstacles.
Omar Maraqa +2 more
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Liquid Crystal-Based RIS for VLC Transmitters: Performance Analysis, Challenges, and Opportunities [PDF]
IEEE wireless communications, 2023 This article presents a novel approach using reconfigurable intelligent surfaces (RISs) in the transmitter of indoor visible light communication (VLC) systems to enhance data rate uniformity and maintain adequate illumination.
Sylvester B. Aboagye +4 more
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NOMA-Based VLC Systems: A Comprehensive Review
Italian National Conference on Sensors, 2023 The enhanced proliferation of connected entities needs a deployment of innovative technologies for the next generation wireless networks. One of the critical concerns, however, is the spectrum scarcity, due to the unprecedented broadcast penetration rate
S. Mohsan +5 more
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Optimization on Multiuser Physical Layer Security of Intelligent Reflecting Surface-Aided VLC [PDF]
IEEE Wireless Communications Letters, 2022 This letter investigates physical layer security in intelligent reflecting surface (IRS)-aided VL communication (VLC). Under the point source assumption, we first elaborate the system model in the scenario with multiple legitimate users and one ...
Shiyuan Sun +3 more
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A Review of Hybrid VLC/RF Networks: Features, Applications, and Future Directions
Italian National Conference on Sensors, 2023 The expectation for communication systems beyond 5G/6G is to provide high reliability, high throughput, low latency, and high energy efficiency services.
Lisandra Bravo Alvarez +4 more
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VLC-BERT: Visual Question Answering with Contextualized Commonsense Knowledge [PDF]
IEEE Workshop/Winter Conference on Applications of Computer Vision, 2022 There has been a growing interest in solving Visual Question Answering (VQA) tasks that require the model to reason beyond the content present in the image. In this work, we focus on questions that require commonsense reasoning.
Sahithya Ravi +4 more
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Intelligent Reflecting Surface for MIMO VLC: Joint Design of Surface Configuration and Transceiver Signal Processing [PDF]
IEEE Transactions on Wireless Communications, 2022 With the capability of reconfiguring the wireless electromagnetic environment, intelligent reflecting surface (IRS) becomes a new paradigm for designing future wireless communication systems.
Shiyuan Sun +3 more
semanticscholar +1 more source
Intelligent Reflecting Surfaces for Enhanced Physical Layer Security in NOMA VLC Systems [PDF]
ICC 2023 - IEEE International Conference on Communications, 2022 The rise of intelligent reflecting surfaces (IRSs) is opening the door for unprecedented capabilities in visible light communication (VLC) systems.
Hanaa Abumarshoud +4 more
semanticscholar +1 more source