Results 51 to 60 of about 10,417 (299)
Flexible graphene-assembled film for high-performance RF energy harvesting antenna array
Nano ResearchAs the core component responsible for capturing radio frequency (RF) energy from the environment, the antenna plays a critical role in determining the overall performance of a RF energy harvesting system.
Hong Zhang +9 more
doaj +1 more source
Sensors, 2022 Radio frequency energy harvesting (RF-EH) is a potential technology via the generation of electromagnetic waves. This advanced technology offers the supply of wireless power that is applicable for battery-free devices, which makes it a prospective ...
Husam Hamid Ibrahim +6 more
doaj +1 more source
Weaving Intelligence: Thermally Drawn Multimaterial Fibers Toward AI‐Enabled Smart Textiles
Advanced Materials, EarlyView.Thermally drawn multimaterial fibers are rapidly advancing as intelligent structural units for next‐generation smart textiles. Integrating multimaterial architectures with neuromorphic and spiking‐neural‐network principles enables fabrics that can sense, compute, and adapt autonomously.
Vuong Dinh Trung +9 more
wiley +1 more source
Optimization of voltage doublers for energy harvesting applications [PDF]
, 2013 Energy harvesting is increasingly enabling the expansion of wireless sensor networks in challenging applications by replacing batteries in low power sensors. Many forms of energy harvester suffer from low output voltage which can be partially compensated
Judd, Martin, Roscoe, Nina
core
Wireless Networks With RF Energy Harvesting: A Contemporary Survey [PDF]
, 2014 Radio frequency (RF) energy transfer and harvesting techniques have recently become alternative methods to power the next-generation wireless networks.
Niyato, Dusit +4 more
core +1 more source
Far-field RF energy transfer and harvesting [PDF]
, 2015 This chapter deals with radio frequency (RF) energy transfer over a distance. After explaining the differences between nonradiative and radiative RF energy transfer, the chapter gives definitions for transfer and harvesting.
Hubregt J. Visser +5 more
core +3 more sources
Availability of Ambient RF Energy in d-Dimensional Wireless Networks
Energies, 2018 Radio frequency (RF) enabled energy harvesting has garnered increasingly broad applications in energy-constrained wireless networks. In this context, the actual available energy is constrained by the harvesting threshold of RF harvesters.
Hongxing Xia +3 more
doaj +1 more source
Rectifier for RF Energy Harvesting
International Journal of Computer Applications, 2016 Wireless medical devices are used for monitoring a patient’s health. These devices transmit patient’s health data to external programming devices through communication links. Battery life is a significant issue with these wireless medical devices.
R. Brinda, P. Rengalakshmi
openaire +1 more source
Space‐Time Coding Conformal Metasurfaces for Multifrequency Beam Steering and Shaping
Advanced Materials, EarlyView.Space‐time coding conformal metasurfaces enable dynamic wave control on curved surfaces by combining programmable spatial patterns with temporal modulation. This study shows that a single conformal aperture can independently manipulate multiple frequency components, achieving multifunctional beam shaping and steering, with implications for ...
Filippo Pepe +8 more
wiley +1 more source
RF Energy Harvesting for Wireless Devices [PDF]
, 2015 Radio Frequency (RF) energy transfer and harvesting techniques have recently become alternative methods to empower the next generation wireless networks.
Ijerd Editor (482894) +1 more
core +1 more source