Results 41 to 50 of about 8,910 (210)
Printing of wirelessly rechargeable solid-state supercapacitors for soft, smart contact lenses with continuous operations [PDF]
, 2019 Recent advances in smart contact lenses are essential to the realization of medical applications and vision imaging for augmented reality through wireless communication systems.
Ahn, David B. +6 more
core +2 more sources
Energies, 2016 Traditional sensor nodes are usually battery powered, and the limited battery power constrains the overall lifespan of the sensors. Recently, wireless power transmission technology has been applied in wireless sensor networks (WSNs) to transmit wireless ...
Tu-Liang Lin +2 more
doaj +1 more source
Energy Harvesting and Management for Wireless Autonomous Sensors
, 2008 Wireless autonomous sensors that harvest ambient energy are attractive solutions, due to their convenience and economic benefits. A number of wireless autonomous sensor platforms which consume less than 100?W under duty-cycled operation are available ...
Al-Hashimi, Bashir M. +3 more
core +1 more source
Implementing and Evaluating a Wireless Body Sensor System for Automated Physiological Data Acquisition at Home [PDF]
, 2010 Advances in embedded devices and wireless sensor networks have resulted in new and inexpensive health care solutions. This paper describes the implementation and the evaluation of a wireless body sensor system that monitors human physiological data at ...
Chen, Chao, Pomalaza-Raez, Carlos
core +1 more source
Energies, 2020 Conventional sensor nodes are often battery-powered, and battery power limits the overall lifetime of the wireless sensor networks (WSNs). Wireless charging technology can be implemented in WSNs to supply power to sensor nodes and resolve the problem of ...
Tu-Liang Lin +2 more
doaj +1 more source
Charging path optimization in mobile wireless rechargeable sensor networks
物联网学报, 2023 The wireless power transfer technique is promising in solving the energy bottleneck of sensor nodes in wireless sensor networks, which can thus prolong the network lifetime or even maintain sustainable network operations.Most existing works focused on ...
Quanlong NIU, Riheng JIA, Minglu LI
doaj +2 more sources
Censoring Diffusion for Harvesting WSNs
, 2015 In this paper, we analyze energy-harvesting adaptive diffusion networks for a distributed estimation problem. In order to wisely manage the available energy resources, we propose a scheme where a censoring algorithm is jointly applied over the diffusion ...
Arenas-García, Jerónimo +3 more
core +1 more source
Optimal Spectrum Access for a Rechargeable Cognitive Radio User Based on Energy Buffer State
, 2014 This paper investigates the maximum throughput for a rechargeable secondary user (SU) sharing the spectrum with a primary user (PU) plugged to a reliable power supply. The SU maintains a finite energy queue and harvests energy from natural resources, e.g.
Ashour, Mahmoud +3 more
core +1 more source
Advanced Healthcare Materials, EarlyView.This review highlights recent advances in smart face masks that actively monitor breathing. By integrating humidity, gas, temperature, pressure, strain, and triboelectric sensors, these masks track key respiratory parameters in real time. The article summarizes sensor mechanisms, compares performance across studies, and discusses challenges and future ...
Negin Faramarzi +7 more
wiley +1 more source
Applied Sciences, 2020 Great improvement recently appeared in terms of efficient service delivery in wireless sensor networks (WSNs) for Internet of things (IoT). The IoT is mainly dependent on optimal routing of energy-aware WSNs for gathering data.
Liangrui Tang +3 more
doaj +1 more source