Results 91 to 100 of about 1,622,378 (238)

Intelligent-Meta-Surfaces-Aided Wireless Communications in 6G

, 2022
Intelligent-Meta-Surfaces-Aided Wireless Communications in ...
Jinho Choi (13076106), M Nemati (14447145)   +1 more
core  

Programming Light‐Driven Surface Topographies in Liquid Crystal Elastomers for Potential Biomedical Applications Through Combined Experiments and Simulations

Advanced Materials Technologies, EarlyView.
A combined experimental and simulation study of light‐responsive liquid crystal elastomer surfaces operating under physiological conditions is reported, demonstrating programmable and highly spatially controlled topography formation through bottom‐side photomask exposure. Our study establishes a foundation for dynamic, light‐responsive biosurfaces with
Ruth M. C. Verbroekken, Akhila Gottipati, Burcu Gumuscu, Ratna Kumar Annabattula, Albert P. H. J. Schenning   +4 more
wiley   +1 more source

Very-large-scale reconfigurable intelligent surfaces for dynamic control of terahertz and millimeter waves [PDF]

Nature Communications
Unlocking the potential of terahertz (THz) and millimeter (mm) waves for next generation communications and imaging applications requires reconfigurable intelligent surfaces (RIS) with programmable elements that can manipulate the waves in real-time ...
Yury Malevich, M. Said Ergoktas, Gokhan Bakan, Pietro Steiner, C. Kocabas   +4 more
semanticscholar   +1 more source

Liquid‐Crystal‐Based Reconfigurable Intelligent Surface for 7 GHz Mobile Communication

Advanced Materials Technologies, EarlyView.
The glass‐based liquid‐crystal reconfigurable intelligent surface (LC‐RIS) integrates active‐matrix driving and blind‐greedy phase optimization within a 5G‐NR OFDM framework. This enables continuously tunable and autonomous enhancement of wireless coverage. Leveraging the transparency and manufacturability of liquid crystal panels, it is ideally suited
Tien‐Lun Ting, Yuh‐Chyi Chang, Yi‐Chan Hung, Cheng‐Yuan Hsiao, Chao‐Kai Wen, Tsung‐Hsien Lin   +5 more
wiley   +1 more source

On‐Chip Photonic Neural Network Architectures

Advanced Optical Materials, EarlyView.
This review presents a comprehensive overview of on‐chip photonic neural network architectures, covering key photonic building blocks, representative network types, and emerging applications. Recent advances, implementation challenges, and future directions are examined, highlighting the potential of integrated photonics to enable ultrafast, energy ...
Seokjin Hong, Berkay Neseli, Seungyeon Cho, Seungsoo Lee, Yeonjun Kim, Seungyoon Choi, Hyo‐Hoon Park, Hamza Kurt   +7 more
wiley   +1 more source

Reconfigurable Intelligent Surfaces (RIS) and Their Role in Next‐Generation Wireless Networks: An Overview

Transactions on Emerging Telecommunications Technologies
Extensive research is now peering into the next generation of wireless technology. The significant talking points are how to effectively manage scarce wireless resources with the spiraling amount of wireless data traffic and the exponential growth of the
Chukwuemeka Nwufo, Oluyomi Simpson, Yi-Chuang Sun   +2 more
semanticscholar   +1 more source

Strong‐Magnetic Flexible Composites for Magnetically Responsive Soft Robots

Advanced Robotics Research, EarlyView.
This perspective provides an overview of the performance mechanisms, preparation methods, and applications of strong magnetic flexible composite materials in soft actuators (such as gripping, movement, and sensing), and further explores current opportunities and challenges.
Wenwen Li, Shuai Liu, Xinyi Wang, Xinglong Gong, Shouhu Xuan   +4 more
wiley   +1 more source

Degradable Magnetic Composites from Recycled NdFeB Magnets for Soft Actuation and Sensing

Advanced Robotics Research, EarlyView.
This work presents a degradable soft magnetic composite made from recycled NdFeB particles embedded in a gelatin‐based organogel. The material is processed into magnetic sensors and soft robotic components, which can later be dissolved in a green solvent to recover NdFeB magnetic particles.
Muhammad Bilal Khan, Lin Guo, Kilian Schäfer, Eduardo Sergio Oliveros‐Mata, Xiaotao Wang, Florian Hofmann, Matthias Lutzi, Mark Suppelt, Proloy Taran Das, Jan Schmidtpeter, Imants Dirba, Stephan Rinderknecht, Mario Kupnik, Denys Makarov, Oliver Gutfleisch   +14 more
wiley   +1 more source

Information metasurfaces and reconfigurable intelligent surfaces

Journal of Information and Intelligence, 2023
Long Li, Rui Zhang, Tie Jun Cui
doaj   +1 more source

On The Optimal Number of Reflecting Elements for Reconfigurable Intelligent Surfaces

, 2020
International audienceThis work considers a point-to-point link where a reconfigurable intelligent surface assists the communication between a transmitter and a receiver. The system rate, energy efficiency, and their trade-off are optimized by tuning the
Zappone, Alessio, Di Renzo, Marco, Xi, Xiaojun, Debbah, Mérouane   +3 more
core   +1 more source