Results 31 to 40 of about 55,363 (283)

A Comprehensive Survey on RF Energy Harvesting: Applications and Performance Determinants

Sensors, 2022
There has been an explosion in research focused on Internet of Things (IoT) devices in recent years, with a broad range of use cases in different domains ranging from industrial automation to business analytics. Being battery-powered, these small devices
Hafiz Husnain Raza Sherazi, Dimitrios Zorbas, Brendan O’Flynn   +2 more
doaj   +1 more source

Multiband Patch Antenna Design Using Nature-Inspired Optimization Method

IEEE Open Journal of Antennas and Propagation, 2021
Radio frequency energy harvesting has attracted considerable interest as a technique of enabling self-powered wireless networks. This technique faces several challenges, such as the receiving and the rectifying modules of a rectenna system.
Achilles D. Boursianis, Maria S. Papadopoulou, Juliano Pierezan, Viviana C. Mariani, Leandro S. Coelho, Panagiotis Sarigiannidis, Stavros Koulouridis, Sotirios K. Goudos   +7 more
doaj   +1 more source

Energy Cooperation in Battery-Free Wireless Communications with Radio Frequency Energy Harvesting [PDF]

, 2020
Radio frequency (RF) energy harvesting techniques are becoming a potential method to power battery-free wireless networks. In RF energy harvesting communications, energy cooperation enables shaping and optimization of the energy arrivals at the energy ...
DONG Mianxiong, LI He, OTA Kaoru
core   +1 more source

Radiofrequency ambient level energy harvesting

Wireless Power Transfer, 2015
This paper presents a study of Schottky diode rectenna (rectifying antenna) for RF energyharvesting systems. These rectennas are suitable for wireless sensors with the rechargeablebattery technology especially at low power densities. A rectifying circuit is proposed withsingle high responsivity Schottky diode for RF-DC conversion. A matching circuit is
Zhou, Yuwei, Froppier, Bruno, Razban, Tchanguiz   +2 more
openaire   +2 more sources

Analysis and Design Methodology of RF Energy Harvesting Rectifier Circuit for Ultra-Low Power Applications

IEEE Open Journal of Circuits and Systems, 2022
This paper reviews and analyses the design of popular radio frequency energy harvesting systems and proposes a method to qualitatively and quantitatively analyze their circuit architectures using new square-wave approximation method.
Ziyue Xu, Adam Khalifa, Ankit Mittal, Mehdi Nasrollahpourmotlaghzanjani, Ralph Etienne-Cummings, Nian Xiang Sun, Sydney S. Cash, Aatmesh Shrivastava   +7 more
doaj   +1 more source

Radio Frequency Energy Harvesting - Sources and Techniques

, 2016
Energy harvesting technology is attracting huge attention and holds a promising future for generating electrical power. This process offers various environmentally friendly alternative energy sources. Especially, radio frequency (RF) energy has interesting key attributes that make it very attractive for low-power consumer electronics and wireless ...
M. Pareja Aparicio, A. Bakkali, J. Pelegri-Sebastia, T. Sogorb, V. Llario, A. Bou   +5 more
openaire   +4 more sources

Rectenna Design for Radio Frequency Wireless Energy Harvesting

International Journal of Advances in Scientific Research and Engineering, 2022
The concept of wireless power transmission (WPT) has been introduced for nearly a century. Some of the achievements made so far have made energy harvesting a reality, capable of providing alternative sources of energy. This paper provides a summary of RF energy harvesting techniques to serve as a guide for designing RF energy harvesting ...
Nabeel Ali, Sherif S Hekal
openaire   +2 more sources

Enabling Semantic-Functional Communications for Multiuser Event Transmissions via Wireless Power Transfer

Sensors, 2023
A central concern for large-scale sensor networks and the Internet of Things (IoT) has been battery capacity and how to recharge it. Recent advances have pointed to a technique capable of collecting energy from radio frequency (RF) waves called radio ...
Pedro E. Gória Silva, Nicola Marchetti, Pedro H. J. Nardelli, Rausley A. A. de Souza   +3 more
doaj   +1 more source

Design of a ferrite rod antenna for harvesting energy from medium wave broadcast signals [PDF]

, 2013
Radio frequency (RF) energy harvesting is an emerging technology that has the potential to eliminate the need for batteries and reduce maintenance costs of sensing applications.
Dennison M., Fletcher R., Ganguly S., Georgiadis A., Glisson T.H., Griffiths J., Lo Y.T., Lui K.W., Massarini A., Penella‐López M.P., Santacana E., Sim Z., Xie K.   +12 more
core   +3 more sources

Secure Energy Efficiency for NOMA Based Cognitive Radio Networks With Nonlinear Energy Harvesting

IEEE Access, 2018
In order to improve the spectrum efficiency and secrecy energy efficiency, in this paper, we propose a non-orthogonal multiple access (NOMA)-based secure scheme for cognitive radio networks. In the proposed scheme, the secondary users harvest energy from
Dawei Wang, Shaoyang Men
doaj   +1 more source