Results 1 to 10 of about 5,325 (221)
Simulation and optimization of rectenna systems [PDF]
Scientific Reports, 2023 In this paper, we present an entirely simulation-based method to predict the performance of a complete rectenna system that includes all its components: the receiving antenna, the matching circuits between the antenna and the rectification circuit, and ...
Melad M. Olaimat +2 more
doaj +4 more sources
Wireless power transfer system for deep-implanted biomedical devices [PDF]
Scientific Reports, 2022 In this paper, a dual-band implantable rectenna is proposed for recharging and operating biomedical implantable devices at 0.915 and 2.45 GHz. The rectenna system consists of a compact dual-band antenna based on a meandered-resonator as well as efficient
Amjad Iqbal +4 more
doaj +2 more sources
Vortex rectenna powered by environmental fluctuations [PDF]
Nature Communications, 2018 AbstractA rectenna, standing for a rectifying antenna, is an apparatus which generates d.c. electricity from electric fluctuations. It is expected to realize wireless power transmission as well as energy harvesting from environmental radio waves. To realize such rectification, devices that are made up of internal atomic asymmetry such as an asymmetric ...
Naoto Yokoi +2 more
exaly +4 more sources
A Compact Circular Rectenna for RF-Energy Harvesting at ISM Band [PDF]
Micromachines, 2023 With low-power gadgets proliferating, the development of a small, effective rectenna is crucial for wirelessly energizing devices. A simple circular patch with a partial ground plane for RF-energy harvesting at ISM (2.45 GHz) band is proposed in this ...
Lalbabu Prashad +2 more
doaj +2 more sources
A carbon nanotube optical rectenna [PDF]
Nature Nanotechnology, 2015 An optical rectenna--a device that directly converts free-propagating electromagnetic waves at optical frequencies to direct current--was first proposed over 40 years ago, yet this concept has not been demonstrated experimentally due to fabrication challenges at the nanoscale. Realizing an optical rectenna requires that an antenna be coupled to a diode
Virendra Singh +2 more
exaly +3 more sources
Oxides for Rectenna Technology [PDF]
Materials, 2021 The quest to harvest untapped renewable infrared energy sources has led to significant research effort in design, fabrication and optimization of a self-biased rectenna that can operate without external bias voltage. At the heart of its design is the engineering of a high-frequency rectifier that can convert terahertz and infrared alternating current ...
Mitrovic, Ivonna Z. +5 more
openaire +2 more sources
Metamaterial-Integrated High-Gain Rectenna for RF Sensing and Energy Harvesting Applications
Sensors, 2021 This paper presents a metamaterial (MTM)-integrated high-gain rectenna for RF sensing and energy harvesting applications that operates at 2.45 GHz, an industry, science, medicine (ISM) band.
Woosol Lee +5 more
doaj +1 more source
IEEE Open Journal of Antennas and Propagation, 2022 This paper proposes a novel stacked dual-band differential rectenna. The proposed rectenna consists of two rectifying diodes and a dual-band array antenna with four 5.8-GHz patch antennas arrayed on a three-element 2.45-GHz array.
Kento Saito +2 more
doaj +1 more source
Extendable Array Rectenna for a Microwave Wireless Power Transfer System
IEEE Access, 2021 In this study, a rectenna is adopted in a microwave-based wireless power transfer system to rectify the received radio frequency (RF) to DC power. Each rectenna comprises a DC-DC converter at the DC output port to ensure a stable power supply and a ...
Jeong-Min Woo +6 more
doaj +1 more source
Jurnal Elektronika dan Telekomunikasi, 2023 The use of radio frequency (RF) energy for wireless power transfer (WPT) has gained significant attention in recent years due to its potential for powering electronic devices without the need for wires or batteries.
Muhammad Miftahul Amri +1 more
doaj +1 more source