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Exploiting Reconfigurable Intelligent Surface-Based Uplink/Downlink Wireless Systems
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
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
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]
17 pages, 17 figures.
Ziwei Wan+4 more
openaire +6 more sources
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
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]
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]
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
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
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