Title :
An evolved rectenna for sensor networks
Author :
Brinster, Irina ; Lohn, Jason ; Linden, D.
Author_Institution :
Dept. of Electr. & Comput. Eng., Carnegie Mellon Univ., Moffett Field, CA, USA
Abstract :
In this paper, we present the design and fabrication of an evolved rectenna element for use in wireless sensor networks. The antenna was generated by genetic-algorithm based antenna synthesis tool and achieves a voltage standing ratio close to 1 at 2.45 GHz. The antenna and the rectifying circuit combined provide 50% power conversion efficiency for input power levels above 50 mW. The rectenna has been used for powering a temperature sensor from transmitted wireless energy. The rectenna-powered sensor system is also presented.
Keywords :
genetic algorithms; rectennas; wireless sensor networks; antenna synthesis tool; evolved rectenna; genetic algorithm; power conversion efficiency; rectenna element; rectenna powered sensor system; rectifying circuit; temperature sensor; voltage standing ratio; wireless energy transmission; wireless sensor networks; Light emitting diodes; Radio frequency; Rectennas; Rectifying circuits; Temperature sensors; Wireless sensor networks;
Conference_Titel :
Antennas and Propagation Society International Symposium (APSURSI), 2013 IEEE
Conference_Location :
Orlando, FL
Print_ISBN :
978-1-4673-5315-1
DOI :
10.1109/APS.2013.6710870
