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Visible Light Communications via Intelligent Reflecting Surfaces: Metasurfaces vs Mirror arrays

Amr M. Abdelhady, Ahmed K. Sultan, Osama Amin, Basem Shihada, Mohamed-Slim Alouini
2020 IEEE Open Journal of the Communications Society  
INDEX TERMS Channel modeling, intelligent reflecting surfaces, metasurfaces, mirror arrays, visible light communications. This work is licensed under a Creative Commons Attribution 4.0 License.  ...  We propose two types of intelligent reflecting systems based on programmable metasurfaces and mirrors to focus the incident optical power towards a visible light communication receiver.  ...  SYSTEM MODEL In this work, we consider two different setups for intelligent reflecting surfaces in the context of VLC systems, namely, intelligent metasurface reflector (IMR) and intelligent mirror array  ... 
doi:10.1109/ojcoms.2020.3041930 fatcat:lzxf5qrs6rco5ehfi4fjcar6ai

Intelligent Reflecting Surface-assisted Free-space Optical Communications [article]

Vahid Jamali, Hedieh Ajam, Marzieh Najafi, Bernhard Schmauss, Robert Schober, H. Vincent Poor
2021 arXiv   pre-print
In this paper, we discuss the potential role of intelligent reflecting surfaces (IRSs) as a solution to relax this requirement.  ...  Free-space optical (FSO) systems are able to offer the high data-rate, secure, and cost-efficient communication links required for applications such as wireless front- and backhauling for 5G and 6G communication  ...  On the other hand, for RF communication systems, intelligent reflecting surfaces V. Jamali and H.  ... 
arXiv:2105.13297v1 fatcat:iwuq2l2m6jfr3oshzlmpb4r6ma

Reconfigurable Intelligent Surfaces for 5G and beyond Wireless Communications: A Comprehensive Survey

Teena Sharma, Abdellah Chehri, Paul Fortier
2021 Energies  
This paper presents a comprehensive literature review on reconfigurable intelligent surfaces (RISs) and assisted application areas.  ...  Motivated by technological advances, the metasurfaces, reflectarrays, phase shift, and liquid crystals are potential candidates for implementing RIS.  ...  Technologies for communication based on Intelligent surfaces. Ref.  ... 
doi:10.3390/en14248219 doaj:cd2fcec8df7c477faf7ddd4d897184f9 fatcat:7ntjkk4znneplmpfs3tkcm32sq

Wireless Communications Through Reconfigurable Intelligent Surfaces [article]

Ertugrul Basar, Marco Di Renzo, Julien de Rosny, Merouane Debbah, Mohamed-Slim Alouini, Rui Zhang
2019 arXiv   pre-print
The recent advent of reconfigurable intelligent surfaces in wireless communications enables, on the other hand, network operators to control the scattering, reflection, and refraction characteristics of  ...  intelligent surfaces in 6G and beyond wireless networks.  ...  Intelligent Reflection vs. Relaying and Backscattering: Reflectors vs.  ... 
arXiv:1906.09490v2 fatcat:g37e2e7lnbgz7lhubkb3xk3wnu

RIS-Assisted Visible Light Communication Systems: A Tutorial [article]

Sylvester Aboagye and Alain R. Ndjiongue and Telex M. N. Ngatched and Octavia Dobre and H. Vincent Poor
2022 arXiv   pre-print
A signal obstruction can significantly reduce the signal-to-noise ratio in radio frequency (RF) and indoor visible light communications (VLC) systems, whereas the obstruction can completely disrupt data  ...  In recent years, reconfigurable intelligent surfaces (RISs) that are more efficient than relays have become widely accepted as a method of mitigating skip-zones and providing reconfigurable radio environments  ...  be reflected; (iv) passive intelligent surface or passive intelligent mirrors, when the RIS elements do not amplify the received signal.  ... 
arXiv:2204.07198v1 fatcat:b3cihbfitnd2hm5cu25rokyppu

Revolutionizing Optical Wireless Communications via Smart Optics

Amr M. Abdelhady, Osama Amin, Mohamed-Slim Alouini, Basem Shihada
2022 IEEE Open Journal of the Communications Society  
INDEX TERMS Optical wireless communications (OWC), smart optics, reconfigurable intelligent surfaces, intelligent reflecting surfaces.  ...  Towards this end, we provide our vision for the potential gains of integrating tunable optical elements in OWNs reflected in energy consumption reduction, coverage customization, data transfer rate boosting  ...  It is worth mentioning that the amplitude of the reflected wave from a mirror surface depends on the incident light wavelength, propagation direction and the mirror material.  ... 
doi:10.1109/ojcoms.2022.3164790 fatcat:hzc6y7q4dfe2rdi64vu4mwooka

Intelligent Reflecting Surfaces for Free Space Optical Communications [article]

Marzieh Najafi, Bernhard Schmauss, Robert Schober
2021 arXiv   pre-print
In this paper, we investigate the use of intelligent reflecting surfaces (IRSs) to relax the line-of-sight requirement of free space optical (FSO) systems.  ...  Moreover, for the designed phase-shift profile, we show that there exists an equivalent mirror-assisted FSO system that generates a reflected electric field on a mirror that is identical to that on the  ...  Recently, IRS-assisted visible light communication (VLC) systems were considered in [28] , [29] .  ... 
arXiv:2005.04499v2 fatcat:6bwzorx4obhf3fyxxc4zdsycgy

Smart Radio Environments Empowered by Reconfigurable Intelligent Surfaces: How it Works, State of Research, and Road Ahead [article]

Marco Di Renzo, Alessio Zappone, Merouane Debbah, Mohamed-Slim Alouini, Chau Yuen, Julien de Rosny, Sergei Tretyakov
2020 arXiv   pre-print
What is a reconfigurable intelligent surface? What is a smart radio environment? What is a metasurface? How do metasurfaces work and how to model them?  ...  How to reconcile the mathematical theories of communication and electromagnetism? What are the most suitable uses and applications of reconfigurable intelligent surfaces in wireless networks?  ...  Anomalous reflection modeled via surface-averaged impedances.  ... 
arXiv:2004.09352v1 fatcat:ncsxqispbrcdrcpyrqvja3ie3m

Intelligent Reflecting Surfaces for Enhanced NOMA-based Visible Light Communications [article]

Hanaa Abumarshoud, Bassant Selim, Mallik Tatipamula, Harald Haas
2021 arXiv   pre-print
The emerging intelligent reflecting surface (IRS) technology introduces the potential of controlled light propagation in visible light communication (VLC) systems.  ...  INTRODUCTION The research and implementation of visible light communication (VLC) and light fidelity (LiFi) systems have gained significant interest in the last few years.  ...  Metasurfaces and micro-electromechanical mirrors have primarily been proposed as possible solutions for light manipulation in VLC systems.  ... 
arXiv:2111.04646v1 fatcat:rrrnbxz6vvdg3oi33dmd5mfqvy

Wireless Communications Through Reconfigurable Intelligent Surfaces

Ertugrul Basar, Marco Di Renzo, Julien de Rosny, Merouane Debbah, Mohamed-Slim Alouini, Rui Zhang
2019 IEEE Access  
INDEX TERMS 6G, large intelligent surfaces, meta-surfaces, reconfigurable intelligent surfaces, smart reflect-arrays, software-defined surfaces, wireless communications, wireless networks.  ...  The recent advent of reconfigurable intelligent surfaces in wireless communications enables, on the other hand, network operators to control the scattering, reflection, and refraction characteristics of  ...  INTELLIGENT REFLECTION VS. RELAYING AND BACKSCATTERING: REFLECTORS VS.  ... 
doi:10.1109/access.2019.2935192 fatcat:6pjbpzbisnduxfykkelv42suhi

In3SbTe2 as a programmable nanophotonics material platform for the infrared

Andreas Heßler, Sophia Wahl, Till Leuteritz, Antonios Antonopoulos, Christina Stergianou, Carl-Friedrich Schön, Lukas Naumann, Niklas Eicker, Martin Lewin, Tobias W. W. Maß, Matthias Wuttig, Stefan Linden (+1 others)
2021 Nature Communications  
In contrast, aIST has ε' > 0 in the visible spectral range and thus reflects much less light. In the AFM topography image, however, all three cases can be discerned.  ...  For all measurements the free area on the sample next to the antenna arrays was used as a reference, except for those in Fig. 4 , for which reflectance at an Au mirror was taken as reference.  ...  Peer review information Nature Communications thanks the anonymous reviewers for their contribution to the peer review of this work.  ... 
doi:10.1038/s41467-021-21175-7 pmid:33568636 fatcat:mssqovxjy5egzdstj6ed2h4hfi

Towards 6G Holographic Localization: Enabling Technologies and Perspectives [article]

Ahmed Elzanaty, Anna Guerra, Francesco Guidi, Davide Dardari, Mohamed-Slim Alouini
2022 arXiv   pre-print
Along this line, we briefly overview possible technologies, such as large intelligent surfaces, and challenges to realize holographic localization.  ...  e.g., light detection and ranging (Li-DAR) and visible light positioning (VLP) technologies.  ...  A promising solution for the realization of a quasi-continuum antenna array is provided by intelligent surfaces, usually made of metamaterials [4] .  ... 
arXiv:2103.12415v2 fatcat:rjxdrow3xvatlbwu2ymr2dvlbu

Intelligent Reflecting Surface Networks with Multi-Order-Reflection Effect: System Modelling and Critical Bounds [article]

Yihong Liu, Lei Zhang, Feifei Gao, Muhammad Ali Imran
2022 arXiv   pre-print
In this paper, we model, analyze and optimize the multi-user and multi-order-reflection (MUMOR) intelligent reflecting surface (IRS) networks.  ...  We first derive a complete MUMOR IRS network model applicable for the arbitrary times of reflections, size and number of IRSs/reflectors.  ...  It is similar to the LoS path of visible light reflected within two mirrors or more mirrors for infinite times.  ... 
arXiv:2205.01739v1 fatcat:qkzmwvzgxze2vpco6daxyaodvu


2019 2019 PhotonIcs & Electromagnetics Research Symposium - Spring (PIERS-Spring)  
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2235 -based Near-field Thermal Rectification via  ...  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3283 Delay Scale Titania/Silica Multi-layers for Mirror  ... 
doi:10.1109/piers-spring46901.2019.9017748 fatcat:lmmr7cnm7nelbbz3f6arofik4q

Present and Future of Surface Enhanced Raman Scattering

Judith Langer, Dorleta Jimenez de Aberasturi, Javier Aizpurua, Ramon A. Alvarez-Puebla, Baptiste Auguié, Jeremy J. Baumberg, Guillermo C. Bazan, Steven E. J. Bell, Anja Boisen, Alexandre G. Brolo, Jaebum Choo, Dana Cialla-May (+47 others)
2019 ACS Nano  
The discovery of the enhancement of Raman scattering by molecules adsorbed on nanostructured metal surfaces is a landmark in the history of spectroscopic and analytical techniques.  ...  Significant experimental and theoretical effort has been directed toward understanding the surface-enhanced Raman scattering (SERS) effect and demonstrating its potential in various types of ultrasensitive  ...  For visible light excitation, edge-to-edge nanoparticle separation distances of 0.8-1.5 nm are likely ideal for maximizing the ).  ... 
doi:10.1021/acsnano.9b04224 pmid:31478375 pmcid:PMC6990571 fatcat:c3aixyjymrah7nmuzygkznrtri
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