Results 21 to 30 of about 3,041 (248)
Survey on reconfigurable intelligent surfaces below 10 GHz
EURASIP Journal on Wireless Communications and Networking, 2021 Reconfigurable intelligent surface (RIS) is a programmable structure that can be used to control the propagation of electromagnetic waves by changing the electric and magnetic properties of the surface.
Visa Tapio +4 more
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Control Plane for Reconfigurable Intelligent Surfaces [PDF]
IEEE Communications Standards MagazinePublished in Communication Standards ...
Fabio Saggese +4 more
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Reconfigurable Intelligent Surface for Massive Connectivity
CoRR, 2021 With the rapid development of Internet of Things (IoT), massive machine-type communication has become a promising application scenario, where a large number of devices transmit sporadically to a base station (BS). Reconfigurable intelligent surface (RIS) has been recently proposed as an innovative new technology to achieve energy efficiency and ...
Shuhao Xia +3 more
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Reconfigurable Intelligent Surface Optimal Placement in Millimeter-Wave Networks
IEEE Open Journal of the Communications Society, 2021 This work discusses the optimal reconfigurable intelligent surface placement in highly-directional millimeter wave links. In particular, we present a novel system model that takes into account the relationship between the transmission beam footprint at ...
Konstantinos Ntontin +5 more
doaj +1 more source
IEEE Open Journal of the Communications Society, 2021 Reconfigurable Intelligent Surface (RIS) has emerged as a promising technology in wireless networks to achieve high spectrum and energy efficiency. RIS typically comprises a large number of low-cost nearly passive elements that can smartly interact with ...
Baoling Sheen +3 more
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Over-the-air beamforming with reconfigurable intelligent surfaces
Frontiers in Communications and Networks, 2022 Reconfigurable intelligent surface (RIS)-empowered communication is a revolutionary technology that enables to manipulate wireless propagation environment via smartly controllable low-cost reflecting surfaces. However, in order to outperform conventional communication systems, an RIS-aided system with solely passive reflection requires an extremely ...
Zehra Yigit +2 more
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Exploiting Reconfigurable Intelligent Surface-Based Uplink/Downlink Wireless Systems
IEEE Access, 2022 This paper analyzes the performance of an uplink/downlink reconfigurable intelligent surface (RIS)-based wireless system with a multiple-antenna base station (B), where the RIS selection strategy is considered to alleviate the overhead and resources ...
Khac-Tuan Nguyen +2 more
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Over‐the‐air equalization with reconfigurable intelligent surfaces
IET Communications, 2022 Abstract Reconfigurable intelligent surface (RIS)‐empowered communications is on the rise and is a promising technology envisioned to aid in 6G and beyond wireless communication networks. RISs can manipulate impinging waves through their electromagnetic elements enabling some sort of control over the wireless channel. The potential of
Emre Arslan +3 more
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Capacity Improvement in Reconfigurable Intelligent Surface Assisted MIMO Communications
IEEE Access, 2021 Reconfigurable intelligent surface (RIS) is thought to be a potential key technique for future wireless communications due to its ability for manipulating the electromagnetic environment smartly.
Jun Yang +4 more
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Reconfigurable Intelligent Surface Aided NOMA Networks [PDF]
IEEE Journal on Selected Areas in Communications, 2020 Reconfigurable intelligent surfaces (RISs) constitute a promising performance enhancement for next-generation (NG) wireless networks in terms of enhancing both their spectrum efficiency (SE) and energy efficiency (EE). We conceive a system for serving paired power-domain non-orthogonal multiple access (NOMA) users by designing the passive beamforming ...
Tianwei Hou +5 more
openaire +3 more sources