Results 1 to 10 of about 487,077 (296)

The Wireless Compass [PDF]

open access: greenScientific American, 1919
n ...
Jerome Lachenbruch
openalex   +4 more sources

Performance Analysis of Subband Full Duplex for 5G-Advanced and 6G Networks Through Simulations and Field Tests

open access: yesIEEE Open Journal of the Communications Society, 2023
As an essential technology in the evolution towards full duplex, the subband full duplex (SBFD) operation has attracted significant attention from both the academic and industrial communities, as well as global standardization bodies for its capability ...
Xingguang Wei   +5 more
doaj   +1 more source

Simulation and Field Trial Results of Reconfigurable Intelligent Surfaces in 5G Networks

open access: yesIEEE Access, 2022
Recently, reconfigurable intelligent surfaces (RISs) are considered as a strong candidate for next generation wireless technologies, thanks to its advantage of being able to configure the wireless propagation environment in a cost-effective and energy ...
Ruiqi Liu   +4 more
doaj   +1 more source

A Wireless Sensor Enabled by Wireless Power [PDF]

open access: yesSensors, 2012
Through harvesting energy by wireless charging and delivering data by wireless communication, this study proposes the concept of a wireless sensor enabled by wireless power (WPWS) and reports the fabrication of a prototype for functional tests. One WPWS node consists of wireless power module and sensor module with different chip-type sensors.
Chii-Ruey Lin, Yu-Hong Liu, Dasheng Lee
openaire   +3 more sources

Machine Learning-Based Signal Detection for CoMP Downlink in Ultra-Dense Small Cell Networks

open access: yesIEEE Access, 2020
In the next generation wireless communication systems, high-speed data rate, reliable link quality, and ubiquitous access are necessary requirement. To meet the next generation communication system requirements, the ultra-dense small cell network (SCN ...
Wei-Shun Liao   +5 more
doaj   +1 more source

Deep factor analysis for weather varied sense-through-foliage target detection

open access: yesEURASIP Journal on Wireless Communications and Networking, 2021
In this paper, the influence of seasonal variation on target detection accuracy and the effectiveness of deep factor analysis (DFA) in signal denoising are studied.
Wenling Xue   +4 more
doaj   +1 more source

Wireless Closed-Loop Optical Regulation System for Seizure Detection and Suppression In Vivo

open access: yesFrontiers in Nanotechnology, 2022
There are approximately 50 million people with epilepsy worldwide, even about 25% of whom cannot be effectively controlled by drugs or surgical treatment. A wireless closed-loop system for epilepsy detection and suppression is proposed in this study. The
Yamin Li   +35 more
doaj   +1 more source

A Reliable and Secure Mobile Cyber-Physical Digital Microfluidic Biochip for Intelligent Healthcare

open access: yesIEEE Access, 2023
Digital microfluidic, as an emerging and potential technology, diversifies the biochemical applications platform, such as protein dilution sewage detection.
Yinan Yao   +6 more
doaj   +1 more source

Batteryless, Miniaturized Implantable Glucose Sensor Using a Fluorescent Hydrogel

open access: yesSensors, 2021
We propose a biomedical sensor system for continuous monitoring of glucose concentration. Despite recent advances in implantable biomedical devices, mm sized devices have yet to be developed due to the power limitation of the device in a tissue.
Hyeonkeon Lee   +5 more
doaj   +1 more source

Improving Behavior Monitoring of Free-Moving Dairy Cows Using Noninvasive Wireless EEG Approach and Digital Signal Processing Techniques

open access: yesApplied Sciences, 2023
Electroencephalography (EEG) is the most common method to access brain information. Techniques to monitor and extract brain signal characteristics in farm animals are not as developed as those for humans and laboratory animals.
Ana Carolina de Sousa Silva   +5 more
doaj   +1 more source

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