Results 121 to 130 of about 12,691 (253)

Performance analysis and optimization of modulation techniques for underwater optical wireless communication in varied aquatic environments. [PDF]

Sci Rep
Zayed MM, Shokair M.
europepmc   +1 more source

Conformal Reconfigurable Intelligent Surfaces: A Cylindrical Geometry Perspective

Advanced Electronic Materials, EarlyView.
Cylindrical reconfigurable intelligent surfaces are explored for low‐complexity beam steering using one‐bit meta‐atoms. A multi‐level modeling approach, including optimization‐based synthesis, demonstrates that even minimal hardware can support directive scattering.
Filippo Pepe, Ivan Iudice, Giuseppe Castaldi, Marco Di Renzo, Vincenzo Galdi   +4 more
wiley   +1 more source

Multi-target and ultra-high-speed optical wireless communication using a thin-film lithium niobate optical phased array. [PDF]

Nat Commun
Ma X, Yuan M, Li J, Zhang H, He B, Zhang P, Jiang Y, Xiao H, Ren G, Mitchell A, Su Y, Tian Y.   +11 more
europepmc   +1 more source

Terahertz Channel Modeling, Estimation and Localization in RIS‐Assisted Systems

Advanced Electronic Materials, EarlyView.
Reconfigurable intelligent surfaces have become a recent intensive research focus. Based on practical applications, channel strategies for RIS‐assisted terahertz wireless communication systems are categorized into three different types: channel modeling, channel estimation, and channel localization.
Hongjing Wang, Weipeng Wang, Xuan Cong, Shiyu Wang, Gao Li, Sen Gong, Lin Huang, Hongxin Zeng, Yaxin Zhang, Ziqiang Yang   +9 more
wiley   +1 more source

Guest Editorial: Selected papers from the 8th Biennial Colloquium & 6th International Workshop on Optical Wireless Communications

IET Optoelectronics, 2023
Mónica Jorge Carvalho deFigueiredo, Stanislav Zvanovec, Rafael Pérez‐Jiménez, Luis Filipe Mesquita Nero Moreira Alves   +3 more
doaj   +1 more source

Measurement dataset of experimental in-body optical wireless communication test-bed for research purposes. [PDF]

Data Brief
Fuada S, Särestöniemi M, Katz M.
europepmc   +1 more source

Fundamental Challenges, Physical Implementations, and Integration Strategies for Ising Machines in Large‐Scale Optimization Tasks

Advanced Electronic Materials, EarlyView.
Ising machines are emerging as specialized hardware solvers for computationally hard optimization problems. This review examines five major platforms—digital CMOS, analog CMOS, emerging devices, coherent optics, and quantum systems—highlighting physics‐rooted advantages and shared bottlenecks in scalability and connectivity.
Hyunjun Lee, Joon Pyo Kim, Sanghyeon Kim
wiley   +1 more source

Modeling and simulation of optical wireless communication channels in IoUT considering water types turbulence and transmitter selection. [PDF]

Sci Rep
Zayed MM, Shokair M.
europepmc   +1 more source

Recent Advances in Programmable Metasurfaces and Meta‐Devices

Advanced Electronic Materials, EarlyView.
Programmable metasurfaces enable various novel functionalities by dynamically tuning electromagnetic wavefronts. This article provides a comprehensive review of recent advances in microwave and terahertz programmable metasurfaces, covering electrical, thermal, optical, and mechanical control mechanisms.
Linda Shao, Chong He, Nan Wang, Liming Si, Weiren Zhu   +4 more
wiley   +1 more source

An Optical Wireless Communication System for Physiological Data Transmission in Small Animals. [PDF]

Sensors (Basel)
Domingues AR, Pereira D, Silva MF, Pimenta S, Correia JH.   +4 more
europepmc   +1 more source