Results 21 to 30 of about 627 (182)

Scavenging Microwave Wireless Power: A Unified Model, Rectenna Design Automation, and Cutting-Edge Techniques

open access: yesEngineering, 2023
While sufficient review articles exist on inductive short-range wireless power transfer (WPT), long-haul microwave WPT (MWPT) for solar power satellites, and ambient microwave wireless energy harvesting (MWEH) in urban areas, few studies focus on the ...
Si-Ping Gao   +3 more
doaj   +1 more source

RF Power Harvester Using a Broadband Monopole Antenna and a Quad-Band Rectifier [PDF]

open access: yesInternational Journal of Industrial Electronics, Control and Optimization, 2021
An RF energy harvester (rectenna) consists of a broadband monopole antenna and a quad-band rectifying circuit is designed to harvest EM wave energy in the frequency range of 1.412 GHz to 8.56 GHz, which covers GSM-1800, LTE-band, Wimax, Wi-Fi, and WLAN ...
Fatemeh Geran   +2 more
doaj   +1 more source

A Compact Dual-Band Rectenna for GSM900 and GSM1800 Energy Harvesting

open access: yesInternational Journal of Antennas and Propagation, 2018
This paper presents a compact dual-band rectenna for GSM900 and GSM1800 energy harvesting. The monopole antenna consists of a longer bent Koch fractal element for GSM900 band and a shorter radiation element for GSM1800.
Miaowang Zeng   +4 more
doaj   +1 more source

Densely Placed Rectenna Array With Decoupling Slots for Enhanced Received Power in Far-Field Wireless Power Transfer

open access: yesIEEE Access
In this paper, a rectenna array system using decoupling slots with a defected ground structure (DGS) is proposed to improve received power in wireless power transfer (WPT) applications.
Min-Seong Kim   +3 more
doaj   +1 more source

Efficiency Improvement of a Microwave Power Transfer System with an Integrated Flat-Top Beamwidth Antenna and Rectifier [PDF]

open access: yesJournal of Electromagnetic Engineering and Science
In this letter a novel rectenna featuring fully integrated rectification within a uniformly radiating antenna for a microwave power transmission system is presented.
Seungmo Hong, Danh Manh Nguyen
doaj   +1 more source

A Compact and High-Power Rectenna Array for Wireless Power Transmission Applications

open access: yesEnergies
Microwave wireless power transmission (MWPT) applications have attracted worldwide interest and attention in recent years. Rectennas are a crucial component of a MWPT system.
Dajiu Huang   +5 more
doaj   +1 more source

A Miniature Energy Harvesting Rectenna for Operating a Head-Mountable Deep Brain Stimulation Device

open access: yesIEEE Access, 2015
This paper presents design, implementation, and evaluation of a miniature rectenna for energy harvesting applications. The rectenna produces DC power from a distant microwave energy transmitter.
Md Kamal Hosain   +3 more
doaj   +1 more source

A Compact Thévenin Model for a Rectenna and Its Application to an RF Harvester with MPPT

open access: yesSensors, 2019
This paper proposes a compact Thévenin model for a rectenna. This model is then applied to design a high-efficiency radio frequency harvester with a maximum power point tracker (MPPT). The rectenna under study consists of an L-matching network and a
Manel Gasulla   +2 more
doaj   +1 more source

Phase Engineering of Nanomaterials (PEN): Evolution, Current Challenges, and Future Opportunities

open access: yesAdvanced Materials, EarlyView.
This review summarizes the synthesis, phase transition, advanced characterization spanning ex situ to in situ and operando techniques, and diverse applications of phase engineering of nanomaterials (PEN). It further outlines key challenges and future opportunities, such as phase stability, architecture control, and artificial intelligence (AI)‐driven ...
Ye Chen   +7 more
wiley   +1 more source

Desain dan Implementasi Rectenna Hexagonal Patch Array Pada Frekuensi 2,4 GHz

open access: yesJurnal EECCIS (Electrics, Electronics, Communications, Controls, Informatics, Systems), 2018
Abstrak– Penelitian rectenna yang dilakukan terdiri atas dua bagian yaitu antena yang berbentuk hexagonal array dan rectifier. Rectenna hexagonal array ini didesain agar bisa menangkap gelombang radio (RF) pada frekuensi 2,4 GHz yang dapat ...
Herma Nugroho rono adi Kusumo   +2 more
doaj   +1 more source

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