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
Energy Cooperation in Battery-Free Wireless Communications with Radio Frequency Energy Harvesting [PDF]
, 2018 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 +2 more sources
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 +3 more
doaj +1 more source
Improving Energy Harvesting System from Ambient RF Sources in Social Systems with Overcrowding
International Journal of Crowd ScienceThis paper presents a novel approach to enhance energy harvesting systems from ambient Radio Frequency (RF) sources in overcrowded environments. In environments like shopping malls, coffee shops, and airports, where wireless devices are prevalent, the ...
Ramy Agieb +5 more
doaj +1 more source
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
RF-Powered Cognitive Radio Networks: Technical Challenges and Limitations
, 2015 The increasing demand for spectral and energy efficient communication networks has spurred a great interest in energy harvesting (EH) cognitive radio networks (CRNs).
Al-Qutayri, Mahmoud +4 more
core +1 more source
Tri-Band Rectenna Dedicated to UHF RFID, GSM-1800 and UMTS-2100 Frequency Bands
Sensors, 2022 The omnipresence of connected objects leads to the quasi-permanent presence of electromagnetic waves from different sources in our environment. This article presents a new electromagnetic energy harvesting device, rectenna type, which offers the ...
Ognadon Assogba +4 more
doaj +1 more source
Optimal time sharing in underlay cognitive radio systems with RF energy harvesting
, 2015 Due to the fundamental tradeoffs, achieving spectrum efficiency and energy efficiency are two contending design challenges for the future wireless networks.
Denkovski, Daniel +3 more
core +1 more source
Energy Harvesting—Technical Analysis of Evolution, Control Strategies, and Future Aspectsa
Journal of Electronic Science and Technology, 2019 This paper provides a technical analysis of energy harvesting (EH) in the field of power and energy sector, including different aspects of harvesting energy, individual case history, control strategies of harvesting in the field of power and energy ...
MD. Shahrukh Adnan Khan +5 more
doaj +1 more source
Joint Uplink and Downlink Coverage Analysis of Cellular-based RF-powered IoT Network [PDF]
, 2017 Ambient radio frequency (RF) energy harvesting has emerged as a promising solution for powering small devices and sensors in massive Internet of Things (IoT) ecosystem due to its ubiquity and cost efficiency.
Dhillon, Harpreet S., Kishk, Mustafa A.
core +2 more sources