Results 41 to 50 of about 22,605 (267)

Over-the-air beamforming with reconfigurable intelligent surfaces

open access: yesFrontiers 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
openaire   +4 more sources

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   +4 more sources

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

Nonterrestrial Communications Assisted by Reconfigurable Intelligent Surfaces

open access: yesProceedings of the IEEE, 2022
arXiv admin note: text overlap with arXiv:2012.04775, arXiv:2010.02749 by other ...
Jia Ye   +3 more
openaire   +3 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

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

Virtual manufacturing: prediction of work piece geometric quality by considering machine and set-up [PDF]

open access: yes, 2011
Lien vers la version éditeur: http://www.tandfonline.com/doi/full/10.1080/0951192X.2011.569952#.U4yZIHeqP3UIn the context of concurrent engineering, the design of the parts, the production planning and the manufacturing facility must be considered ...
D'ACUNTO, Alain   +2 more
core   +7 more sources

Reconfigurable Intelligent Surface-Enabled Downlink NOMA

open access: yesIEEE Transactions on Wireless Communications
Comment: 11 pages, 13 figures, transaction ...
Ali Tugberk Dogukan   +2 more
openaire   +3 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

Exploiting Amplitude Control in Intelligent Reflecting Surface Aided Wireless Communication with Imperfect CSI

open access: yes, 2021
Intelligent reflecting surface (IRS) is a promising new paradigm to achieve high spectral and energy efficiency for future wireless networks by reconfiguring the wireless signal propagation via passive reflection.
Wu, Qingqing   +3 more
core  

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