Results 71 to 80 of about 55,711 (137)

Distribution power level by GSM900 base station for RF energy harvesting [PDF]

, 2015
A development in nano-technology allows the creation electronic equipment operating at microwave frequency. Rectenna is a high gain antenna receiver that's good in rectifiers able to converse radio frequency (RF) energy to DC (direct current) power is an
Wan Mohamad Noor, Wan Mohd Rizairie
core  

Joint Resource Allocation of Spectrum Sensing and Energy Harvesting in an Energy-Harvesting-Based Cognitive Sensor Network

Sensors, 2017
The cognitive sensor (CS) can transmit data to the control center in the same spectrum that is licensed to the primary user (PU) when the absence of the PU is detected by spectrum sensing. However, the battery energy of the CS is limited due to its small
Xin Liu, Weidang Lu, Liang Ye, Feng Li, Deyue Zou   +4 more
doaj   +1 more source

Security–reliability tradeoff analysis of untrusted energy harvesting relay networks

International Journal of Distributed Sensor Networks, 2018
We investigate secure communications in untrusted energy harvesting relay networks, where the amplify-and-forward relay is an energy constrained node powered by the received radio frequency signals, and try to unauthorizedly decode the confidential ...
Dechuan Chen, Weiwei Yang, Jianwei Hu, Weifeng Mou, Yueming Cai   +4 more
doaj   +1 more source

Self-Powered Cattle Behavior Monitoring System Using 915 MHz Radio Frequency Energy Harvesting

IEEE Access
The accurate monitoring and management of dairy cattle behavior are critical for improving farm productivity as well as animal welfare and health status.
Thai Ha Dang, Lionel Nkenyereye, Viet-Thang Tran, Wan-Young Chung   +3 more
doaj   +1 more source

Radio frequency energy harvesting for wireless sensor networks

International Journal of Distributed Sensor Networks, 2017
Dongsoo Har, Seungwook Min, Todor Mladenov, Pham Ngoc Son   +3 more
doaj   +1 more source

A Combined 90/900 MHz IC Architecture for Smart Tag Application

Journal of Communications Software and Systems, 2018
In this work we present a combined 90/900 MHz Energy Harvesting Architecture for active smart tag Application. The harvester takes advantages from a dedicated diplexer and a power manager for battery life enhancement purposes.
Leonardo Pantoli, Vincenzo Stornelli, Giuseppe Ferri, Petar Šolić, Mladen Russo   +4 more
doaj  

A Novel Back-to-Back Antenna Design with Dual Vertical Polarization for Enhanced Broadband Performance

International Journal of Emerging Engineering and Technology
The concept of wireless power transmission was first proposed by Nikola Tesla. He suggested that he could transfer power through the air. The radio waves and microwaves in the air are captured by the antenna and transferred to the destination.
Saqlain Mehdi, Waleed` Hanif, Hussnain Hameed   +2 more
doaj   +1 more source

Radio-frequency energy harvesting for wearable sensors. [PDF]

Healthc Technol Lett, 2015
Borges LM, Chávez-Santiago R, Barroca N, Velez FJ, Balasingham I.   +4 more
europepmc   +1 more source

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

Sensors (Basel)
Odiamenhi M, Jahanbakhsh Basherlou H, Hwang See C, Ojaroudi Parchin N, Goh K, Yu H.   +5 more
europepmc   +1 more source

Backward Energy Transmission in Resonant RF Energy Harvesters. [PDF]

Micromachines (Basel)
Szut J, Pauluk M, Piątek P.
europepmc   +1 more source