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Age of Information Minimization for Radio Frequency Energy-Harvesting Cognitive Radio Networks [PDF]

open access: yesEntropy, 2022
The Age of Information (AoI) measures the freshness of information and is a critic performance metric for time-sensitive applications. In this paper, we consider a radio frequency energy-harvesting cognitive radio network, where the secondary user ...
Juan Sun   +3 more
doaj   +4 more sources

Radio Frequency Energy Harvesting Sources [PDF]

open access: yesActa Electrotechnica et Informatica, 2017
This radio frequency (RF) energy harvesting is an emerging technology and research area that promises to produce energy to run low-power wireless devices.
Action NECHIBVUTE   +3 more
doaj   +2 more sources

An Approach for Managing Manufacturing Assets through Radio Frequency Energy Harvesting [PDF]

open access: yesSensors, 2019
The manufacturing industry requests novel solutions that will permit enterprises to stay competitive in the market. This leads to decisions being made based on different technologies that are focused on real-time accurate measurement and monitoring of ...
Muhammad Ashhal Tahir   +2 more
doaj   +2 more sources

Quad-Band Rectenna for Ambient Radio Frequency (RF) Energy Harvesting [PDF]

open access: yesSensors, 2021
RF power is broadly available in both urban and semi-urban areas and thus exhibits as a promising candidate for ambient energy scavenging sources.
Sunanda Roy   +5 more
doaj   +4 more sources

Optimization of the Overall Success Probability of the Energy Harvesting Cognitive Wireless Sensor Networks [PDF]

open access: yesIEEE Access, 2017
Wireless energy harvesting can improve the performance of cognitive wireless sensor networks (WSNs). This paper considers radio frequency (RF) energy harvesting from transmissions in the primary spectrum for cognitive WSNs.
Mateen Ashraf   +3 more
doaj   +3 more sources

Harnessing Energy for Wearables: A Review of Radio Frequency Energy Harvesting Technologies

open access: yesEnergies, 2023
Wireless energy harvesting enables the conversion of ambient energy into electrical power for small wireless electronic devices. This technology offers numerous advantages, including availability, ease of implementation, wireless functionality, and cost ...
Ezekiel Darlington Nwalike   +5 more
doaj   +4 more sources

Advancements and Challenges in Antenna Design and Rectifying Circuits for Radio Frequency Energy Harvesting [PDF]

open access: yesSensors
The proliferation of smart devices increases the demand for energy-efficient, battery-free technologies essential for sustaining IoT devices in Industry 4.0 and 5G networks, which require zero maintenance and sustainable operation.
Martins Odiamenhi   +5 more
doaj   +2 more sources

Non-orthogonal multiple access and beamforming for relay network with RF energy harvesting

open access: yesICT Express, 2020
Downlink multi-user non-orthogonal multiple access (NOMA) relay systems, that are wirelessly powered by harvesting energy from radio frequency, are taken into consideration.
Pham Thanh Hiep, Tran Manh Hoang
doaj   +1 more source

Optimum energy harvesting model for bidirectional cognitive radio networks

open access: yesEURASIP Journal on Wireless Communications and Networking, 2021
Wireless devices’ energy efficiency and spectrum shortage problem has become a key concern worldwide as the number of wireless devices increases at an unparalleled speed.
Mohammad Kamrul Hasan   +5 more
doaj   +1 more source

Energy efficiency optimization-based resource allocation for underlay RF-CRN with residual energy and QoS guarantee

open access: yesEURASIP Journal on Wireless Communications and Networking, 2020
How to achieve energy-efficient transmission in radio frequency energy harvesting cognitive radio network (RF-CRN) is of great importance when nodes in CRN are self-maintained.
Jie Tian   +4 more
doaj   +1 more source

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