Results 151 to 160 of about 7,142,011 (256)

NB-IoT Using wireless power transfer antenna array as Polling Protocol

, 2016
The 3GPP had standardized NB-IoT [3]-[5] in June 2016. It provides deep indoor and wide area coverage extension of 20dB over GSM. The NB-IOT network can support 50,000 users per cell and a battery life of more than ten years.
Lin, Ting-Wei;Liao, Yu-De;Wang, An-Sung;Wong, Ching-Chang;Lee, Yang-Han;Yuan, Qiaowei;Shinohara, Naoki;Chen, Qiang
core  

Research progress on flexible MXene‐based materials in advanced energy storage devices: From preparation strategies to device applications

FlexMat, EarlyView.
This review summarizes MXene synthesis and flexible electrode fabrication for FESDs, highlighting their potential owing to high conductivity and flexibility, and outlines future research directions. Abstract The rapid development of wearable and portable electronics has created demand for flexible energy storage systems (FESDs) that not only exhibit ...
Nanxi Miao, Ying Lu, Xing Gao, Lingzi Pan, Meng Gao, Chenxi Zhang, Ming Liu, Shizhong Wang, Zhongyu Weng, Huan Pang, Huijie Zhou   +10 more
wiley   +1 more source

Flexible wearable electronics for cardiovascular monitoring from surface signals to deep physiological insights

FlexMat, EarlyView.
This review organizes flexible wearable electronics for cardiovascular monitoring into four interconnected information layers: surface electrophysiology, hemodynamic sensing, vascular imaging, and biofluid biomarker analysis. This framework clarifies how electrical rhythm, vascular loading, structural and flow‐related features, and biochemical states ...
Qiao Chen, Hongwen Chen, Yuanyuan Li, Pingan Yang, Rui Li, Zhihao Zhou   +5 more
wiley   +1 more source

Fabrication of flexible composite electrodes and their application in flexible supercapacitors for wearable electronic devices

FlexMat, EarlyView.
This review surveys current progress in composite flexible electrodes for flexible supercapacitors, emphasizing how structural engineering and material synergy enhance both mechanical compliance and electrochemical performance. It discusses fabrication strategies, emerging application scenarios, and ongoing challenges, offering updated insights that ...
Weikang Wang, Qing Liu, Ang Lv, Shuai Zhou, Chunlei Zhang, Luping Zhang, Liming Li, Weiwei Zhao, Yuchun Tang, Fei Huang   +9 more
wiley   +1 more source

A Framework for Short-Range Wireless Power and Data Transfer in Miniaturized High-Power, High-Bandwidth Implants. [PDF]

Micromachines (Basel)
Ramaut L, Polfliet P, Callebaut G, Van der Perre L.   +3 more
europepmc   +1 more source

Artificial structures for human‐machine interfaces with closed‐loop interaction

FlexMat, EarlyView.
Artificial structures bridge sensing and feedback in closed‐loop human‐machine interfaces by providing geometry‐enabled mechanical and functional programmability. This review maps the role of artificial structures in diverse sensing modalities and feedback strategies, and illustrates their integration into closed‐loop interaction systems, highlighting ...
Taiqi Hu, Taisong Pan, Siqi Chen, Yiting Zhang, Yuan Lin   +4 more
wiley   +1 more source

PWM-Less Utility Frequency Output Capacitive Wireless Power Transfer System

International audienceThis paper presents a capacitive wireless power transfer (CPT) system designed to provide utility frequency output, specifically targeting onboard chargers (OBCs) for electric vehicles (EVs) in automated parking systems.
Tokuriki, Masaya, Kusaka, Keisuke, Furuhashi, Kazumi   +2 more
core   +1 more source

Wireless Power and Data Transfer over Inductive Links for Biomedical Applications: Recent Advances, Challenges, and Limitations. [PDF]

Micromachines (Basel)
Ullah N, Barakat A, Kanaya H.
europepmc   +1 more source

Magneto‐responsive fibers and fabrics for soft systems

FlexMat, EarlyView.
Abstract The combination of functional materials in fiber form has led to a surge in the integration of functional fibers and fabrics into soft systems that span sensing, communication, and actuation domains. A key subset is magnetic fibers and fabrics.
Hanlin Zhu, Jingxian Cui, Qingchao Fan, Zefeng Zhang, Chao Jiang, Hwa‐Yaw Tam, Yan Zhao, Zhe Wang, Zhixun Wang   +8 more
wiley   +1 more source

Multi‐command wearable magnetic human‐machine interface enabled by low‐noise sensing and time‐series deep learning

InfoScience, EarlyView.
This study integrates a wrist‐worn sensing platform based on a low‐noise planar Hall magnetoresistive sensor with time‐series deep learning to enable long‐range, single‐sensor, multi‐command gesture recognition with high accuracy. Further evaluations show reliable generalization across different days, previously unseen users, wearing‐position ...
Guannan Mu, Proloy Taran Das, Jan Schmidtpeter, Andreas Knüpfer, Rui Xu, Denys Makarov   +5 more
wiley   +1 more source