Results 41 to 50 of about 39,856 (205)

Diversity Combining for RF Energy Harvesting [PDF]

, 2017
RF energy harvesting (RFEH) is a promising technology for energy requirements of wireless communication nodes. However, providing sufficient amount of energy to ensure self-sufficient devices based on RFEH may be challenging.
Altinel, Dogay, Kurt, Gunes Karabulut
core   +1 more source

Research on Key Technologies for Microwave Wireless Power Transfer Receivers

Energies
Microwave wireless power transfer (MWPT) technology has the advantages of long distance and high transmission efficiency; therefore, MWPT has many applications in aerospace, space solar power stations (SSPSs), and so on.
Man Ruan, Xudong Wang, Wanli Xu, Long Huang, Kai Wu, Mengyi Wang, Yujuan Yin, Jinmao Chen   +7 more
doaj   +1 more source

Unified Expression of the Conjugate Image Impedances for Two-port Representations [PDF]

Radioengineering, 2022
Conjugate image impedances are used to minimize power reflections in a variety of domains, including amplifier design, microwave engineering, wireless power transfer, antenna design and millimeter wave applications.
B. Minnaert
doaj  

Applications of Microwaves in Medicine

IEEE Journal of Microwaves, 2023
Advances and updates in medical applications utilizing microwave techniques and technologies are reviewed in this paper. The article aims to provide an overview of enablers for microwave medical applications and their recent progress.
J.-C. Chiao, Changzhi Li, Jenshan Lin, Robert H. Caverly, James C. M. Hwang, Harel Rosen, Arye Rosen   +6 more
doaj   +1 more source

Theory Based on Device Current Clipping to Explain and Predict Performance Including Distortion of Power Amplifiers for Wireless Communication Systems [PDF]

, 2008
Power amplifiers are critical components in wireless communication systems that need to have high efficiency, in order to conserve battery life and minimise heat generation, and at the same time low distortion, in order to prevent increase of bit ...
Tian, Yunjia, Tian, Yunjia
core   +1 more source

Laser‐Welded Cellulose‐Carbon Nanotube Nanocomposites as a 3D Scaffold of Si Anodes for High‐Performance Lithium‐Ion Batteries

Advanced Functional Materials, EarlyView.
A Si anode comprising entangled networks of cellulose and SWCNT (C‐CNT) nanocomposites as an anode electrode for a high‐performance LIB is realized by fully utilizing the generated microstructure of a novel conductive 3D scaffold via a low‐temperature and eco‐friendly process. Additionally, localized heating via photo‐thermal conversion can be utilized
Boeun Ryu, Younghoon Jung, Hojin Son, Min‐Young Kim, Jinsub Lim, Changhun Yun   +5 more
wiley   +1 more source

Sensitive Microwave Rectifier for High-Power Wireless Transfer Based on Ultra-Low Turn-On Voltage Quasi-Vertical GaN SBD

IEEE Open Journal of Power Electronics
This paper presents the theoretical analysis and experimental validation of a harmonic-terminated high-efficiency and high-power microwave rectifier.
Xiaochen Yu, Ya-Xun Lin, Ivona Z. Mitrovic, Steve Hall, Jenq-Horng Liang, Der-Sheng Chao, Minzhang Liu, Xiantao Yang, Yi Huang, Ta-Jen Yen, Jiafeng Zhou   +10 more
doaj   +1 more source

Wireless Powered Communication: Opportunities and Challenges

, 2014
The performance of wireless communication is fundamentally constrained by the limited battery life of wireless devices, whose operations are frequently disrupted due to the need of manual battery replacement/recharging.
Bi, Suzhi, Ho, Chin Keong, Zhang, Rui
core   +1 more source

Multi‐Scale Interface Engineering of MXenes for Multifunctional Sensory Systems

Advanced Functional Materials, EarlyView.
MXenes, as two‐dimensional transition metal carbides and nitrides, demonstrate remarkable capabilities for multifunctional sensing applications. This review systematically examines multi‐scale interface engineering approaches that enhance sensing performance, enable diverse detection functionalities, and improve system‐level compatibility in MXene ...
Jiaying Liao, Sin‐Yi Pang, Jianhua Hao
wiley   +1 more source

High Electron Mobility Ge_1−xSn_x(x > 10%) Folding Space Charge Zone Schottky Diode for Microwave Wireless Power Transfer

IEEE Access, 2019
The microwave wireless power transfer is a power transmission device that breaks through the limitation of the transmission line, and is helpful for handling equipment power supply problems in complex scenes.
Xiao Zhai, Jianjun Song, Hangyu Chen, Xianying Dai, Tianlong Zhao   +4 more
doaj   +1 more source