Results 51 to 60 of about 332,498 (295)

Exploiting Reconfigurable Intelligent Surface-Based Uplink/Downlink Wireless Systems

open access: yesIEEE 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
doaj   +1 more source

Wireless Energy Harvesting for Autonomous Reconfigurable Intelligent Surfaces

open access: yesIEEE Transactions on Green Communications and Networking, 2023
This work was supported by the Luxembourg National Research Fund (FNR) under the CORE project RISOTTI (ref. 14773976), the European Commission’s Horizon 2020 research and innovation programme (ARIADNE) under grant agreement No. 871464, and the Digital Futures center.
Konstantinos Ntontin   +9 more
openaire   +5 more sources

Capacity Improvement in Reconfigurable Intelligent Surface Assisted MIMO Communications

open access: yesIEEE 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
doaj   +1 more source

Terahertz Massive MIMO With Holographic Reconfigurable Intelligent Surfaces [PDF]

open access: yesIEEE Transactions on Communications, 2021
17 pages, 17 figures.
Ziwei Wan   +4 more
openaire   +6 more sources

Origami Microwave Imaging Array: Metasurface Tiles on a Shape‐Morphing Surface for Reconfigurable Computational Imaging

open access: yesAdvanced Science, 2022
Origami is the art of paper folding that allows a single flat piece of paper to assume different 3D shapes depending on the fold patterns and the sequence of folding.
Suresh Venkatesh   +4 more
doaj   +1 more source

Reconfigurable Intelligent Surface-Assisted Radar Deception Electronic Counter-Countermeasures

open access: yesRemote Sensing, 2023
A reconfigurable intelligent surface (RIS) is a promising technology for wireless communication and radar detection, owing to its superior ability to realize smart radio environments. Inspired by previous studies on RISs, this study deals with the use of
Shanshan Zhao   +3 more
doaj   +1 more source

Over-the-Air Computation via Reconfigurable Intelligent Surface [PDF]

open access: yesIEEE Transactions on Communications, 2021
Over-the-air computation (AirComp) is a disruptive technique for fast wireless data aggregation in Internet of Things (IoT) networks via exploiting the waveform superposition property of multiple-access channels. However, the performance of AirComp is bottlenecked by the worst channel condition among all links between the IoT devices and the access ...
Wenzhi Fang   +5 more
openaire   +5 more sources

Control Plane for Reconfigurable Intelligent Surfaces [PDF]

open access: yesIEEE Communications Standards Magazine
Research on reconfigurable intelligent surfaces (RISs) has predominantly focused on purely physical (PHY)-layer aspects, particularly, on how signals are dynamically shaped by a controllable wireless propagation environment. However, integrating RISs as system-level network elements requires the development of an RIS-compatible control plane.
Saggese, Fabio   +4 more
openaire   +1 more source

Reconfigurable Intelligent Surfaces for Doppler Effect and Multipath Fading Mitigation

open access: yesFrontiers in Communications and Networks, 2021
Owing to the envisioned new use-cases, such as immersive virtual reality and high-fidelity mobile hologram, and their potential challenging new requirements for future wireless networks, extensive research has already started on 6G and beyond wireless ...
Ertugrul Basar
doaj   +1 more source

On the Enabling of Multi-Receiver Communications With Reconfigurable Intelligent Surfaces

open access: yesIEEE Transactions on Nanotechnology, 2022
The reconfigurable intelligent surface is a promising technology for the manipulation and control of wireless electromagnetic signals. In particular, it has the potential to provide significant performance improvements for wireless networks. However, to do so, a proper reconfiguration of the reflection coefficients of unit cells is required, which ...
Taghvaee, Hamidreza   +5 more
openaire   +4 more sources

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