Results 31 to 40 of about 14,713 (263)

Correlation-based blind SINR estimation with statistical theoretic analysis for OFDM systems

EURASIP Journal on Advances in Signal Processing
A blind signal-to-interference-plus-noise ratio (SINR) estimation method is proposed for orthogonal frequency division multiplex (OFDM) systems in the presence of impulse noise over multipath fading channels.
Shunli Hong, Youming Li, Xiaolong Zhang, Yonghong Wu, Qiang Guo, Liang Li   +5 more
doaj   +1 more source

Electromagnetic signal propagation through lossy media via surface electromagnetic waves

Nanophotonics, 2023
A theory of surface electromagnetic waves in gradient media exhibiting arbitrary surface gradients of dielectric permittivity and magnetic permeability has been developed.
Smolyaninov Igor I., Balzano Quirino, Smolyaninova Vera N., Soloviova Daryna   +3 more
doaj   +1 more source

How is Nanoarchitectonics Shaping Extracellular Vesicle Research?

Advanced Healthcare Materials, EarlyView.
The convergence of nanoarchitectonics and extracellular vesicle biology is reshaping next‐generation nanomedicine by enabling rationally designed nanostructures for enhanced EVs detection, engineering, and therapy. ABSTRACT Extracellular vesicles (EVs) have gained recognition as crucial mediators of cell‐to‐cell communication, holding immense potential
Madushani Dahanayake, Md Shahriar A. Hossain, Chia‐Hung Liu, Carlos Salomon, Yusuke Yamauchi, Mostafa Kamal Masud   +5 more
wiley   +1 more source

Multiwavelength Implantable Oximeter for Wireless Monitoring of Tissue Oxygenation in the Presence of Blood Volume Changes

Advanced Healthcare Materials, EarlyView.
This study presents an implantable, wireless, battery‐free oximeter that can continuously monitor physiologically consistent regional tissue oxygenation under dynamic changes of blood volume. This is achieved through multiwavelength photoplethysmography and validated both via Monte Carlo simulations and in vivo rat studies. Different stress events were
Anat Usatinsky, Hugo L. Higueros‐Garcia, Sadi Loai, Samantha Unger, Jacob Trueb, Yonatan Usatinsky, Rawad Alkallas‐Valdiviezo, Noor Abu Jarad, Jonathan Wu, Hai‐Ling M. Cheng, John A. Rogers, Abraham Vázquez‐Guardado, Daniel Franklin   +12 more
wiley   +1 more source

THz wave propagation in the stagnation region of reentry plasma sheath

AIP Advances, 2021
By using two-dimensional particle-in-cell simulations, we demonstrate a terahertz (THz) wave propagating in the stagnation region of a reentry plasma sheath.
Jian-xun Liu, Yuan Zhao, Jin-jian Lv, Shi Qu, Tai-yang Liu, Tong-pu Yu, Jun Zhao   +6 more
doaj   +1 more source

Atmospheric Propagation Modelling for Terrestrial Radio Frequency Communication Links in a Tropical Wet and Dry Savanna Climate

Information, 2022
Atmospheric impairment-induced attenuation is the prominent source of signal degradation in radio wave communication channels. The computation-based modeling of radio wave attenuation over the atmosphere is the stepwise application of relevant radio ...
Joseph Isabona, Agbotiname Lucky Imoize, Stephen Ojo, Cheng-Chi Lee, Chun-Ta Li   +4 more
doaj   +1 more source

Advancing Human Skin Equivalents: The Crucial Role of Neurovascular Integration

Advanced Healthcare Materials, EarlyView.
This review discusses the importance of integrating vascular and peripheral nerve systems into human skin equivalents (HSEs) to better recapitulate native skin physiology. Recent advances in vascularized, innervated, and neurovascularized HSEs are highlighted, together with emerging bioengineering strategies, current challenges, and future ...
Hao Wu, Lorenzo Moroni, Nicolas Lebonvallet, Vincent Flacher, Paul Wieringa   +4 more
wiley   +1 more source

Perspectives of the use and development of the equipment of the millimeter radio communication equipment by communication operators

Физика волновых процессов и радиотехнические системы, 2018
The article highlights advantages and examples of using millimeter-wave packet radio communication equipment for telecom operators. Specific features of propagation of radio waves of millimeter range in the atmosphere are indicated.
D.S. Klyuev, S.A. Korshunov, S.V. Sitnikova, Yu.V. Sokolova, S.E. Platonov   +4 more
doaj  

Programming an Artificial Neural Network Tool for Spatial Interpolation in GIS - A Case Study for Indoor Radio Wave Propagation of WLAN

Sensors, 2008
Wireless communication networks offer subscribers the possibilities of free mobility and access to information anywhere at any time. Therefore, electromagnetic coverage calculations are important for wireless mobile communication systems, especially in ...
Umut Bulucu, Aktül Kavas, M. Umit Gümüsay, Alper Sen   +3 more
doaj   +1 more source

Bioinspired Adaptive Sensors: A Review on Current Developments in Theory and Application

Advanced Materials, EarlyView.
This review comprehensively summarizes the recent progress in the design and fabrication of sensory‐adaptation‐inspired devices and highlights their valuable applications in electronic skin, wearable electronics, and machine vision. The existing challenges and future directions are addressed in aspects such as device performance optimization ...
Guodong Gong, You Zhou, Qingxiu Li, Wenyu Zhao, Sunyingyue Geng, Hangfei Li, Yan‐Bing Leng, Shirui Zhu, Guanglong Ding, Yongbiao Zhai, Ziyu Lv, Ye Zhou, Su‐Ting Han   +12 more
wiley   +1 more source