Results 41 to 50 of about 879,091 (323)

The Design of Microstrip Array Antenna and Its Optimization by a Memetic Method

open access: yesIEEE Access, 2019
Microstrip antenna has been designed and applied to many practical scenarios for wireless communications. To meet the increasing requirements of wireless communication and quality of service, array antenna design deserves studying and analyzing.
Xin Zhang   +3 more
doaj   +1 more source

Local Heterogeneous Features for Person Re-Identification in Harsh Environments

open access: yesIEEE Access, 2020
Local features could learn semantic information for pedestrian images and they are very important for person re-identification (Re-ID) in harsh environments.
Haijia Zhang   +5 more
doaj   +1 more source

Spatial Throughput Maximization of Wireless Powered Communication Networks

open access: yes, 2015
Wireless charging is a promising way to power wireless nodes' transmissions. This paper considers new dual-function access points (APs) which are able to support the energy/information transmission to/from wireless nodes.
Che, Yue Ling, Duan, Lingjie, Zhang, Rui
core   +1 more source

Person Re-Identification via Contextual Region-Based Metric Learning in Camera Sensor Networks

open access: yesIEEE Access, 2019
Person re-identification in camera sensor networks is a challenging issue due to significant appearance variations of pedestrian images captured by different camera sensors.
Zhong Zhang   +3 more
doaj   +1 more source

Resource Allocation for Wireless Power Transmission Over Full-Duplex OFDMA/NOMA Mobile Wireless Networks

open access: yesIEEE Journal on Selected Areas in Communications, 2019
The current wireless networks have been designed solely for data communication purposes, imposing many new challenges when supporting both power and information transmissions simultaneously. One of these main challenges lies in resource allocations.
Xi Zhang, Fei Wang
semanticscholar   +1 more source

Screen‐Printed Flexible Piezoelectric Force Sensor Array with Electromagnetic Interference Shielding

open access: yesAdvanced Engineering Materials, EarlyView.
This article introduces a flexible screen‐printed piezoelectric sensor array designed for low‐frequency healthcare applications such as tactile sensing and cardiovascular monitoring. The device integrates interface electronics enabling the simultaneous acquisition of up to 128 signals, along with flexible EMI shielding that significantly reduces noise ...
Joseph Faudou   +6 more
wiley   +1 more source

Utilization-Oriented Spectrum Allocation in an Underlay Cognitive Radio Network

open access: yesIEEE Access, 2018
Spectrum access and assignment in cognitive radio networks (CRNs) are hot topics in wireless communications. Dynamic spectrum access and assignment could greatly improve spectrum resource efficiency and help to satisfy the explosively increasing ...
Xiu Zhang   +3 more
doaj   +1 more source

Sustainable Synthesis of Bio‐Based Magnetic and Conductive Wood for Electromagnetic Interference Shielding Applications

open access: yesAdvanced Engineering Materials, EarlyView.
A wood‐based magnetic and conductive material called Magwood (MW), capable of blocking almost 99.99% of electromagnetic waves (in the X‐band frequency range), is synthesized using a simple, solvent‐free process. MW is lightweight, resists water, and is flame‐retardant, making it a promising alternative for shielding electronics. The rapid proliferation
Akash Madhav Gondaliya   +3 more
wiley   +1 more source

An Implantable Antenna Design for an Intelligent Health Monitoring System Considering the Relative Permittivity and Conductivity of the Human Body

open access: yesIEEE Access, 2019
In this paper, an intelligent health monitoring system based on body-centric wireless communications is studied, and implantable antennas are investigated.
Yang Li   +3 more
doaj   +1 more source

Data-Driven Power Control for State Estimation: A Bayesian Inference Approach

open access: yes, 2015
We consider sensor transmission power control for state estimation, using a Bayesian inference approach. A sensor node sends its local state estimate to a remote estimator over an unreliable wireless communication channel with random data packet drops ...
Lau, Vincent   +4 more
core   +2 more sources

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