Optimized wireless power transmission circuit for energy transfer

Author

Noh, Young Chul ; Cha, Cheolung ; Park, Jun ; Choi, Jong Chan ; Kim, Moonil

Author_Institution

Dept. of Electr. Eng., Korea Univ., Seoul, South Korea

fYear

2009

fDate

18-22 Oct. 2009

Firstpage

1

Lastpage

3

Abstract

In this paper, a wireless power transmission system was designed and demonstrated using an optimized rectenna circuit. To use wireless power transmission, the most important factor is the microwave-DC conversion efficiency. To improve the microwave-DC conversion efficiency, matching circuits from antenna to rectifier and rectifier to load were designed and fabricated in this research. And also, printed monopole antenna was designed and optimized with rectifying circuit at 2.4 GHz. The return loss (S₁₁) of the antenna is about -22.6 dB. The return loss of rectifying circuit is -28.3 dB. We obtained the microwave-DC conversion efficiency of 0.61 mW, when input power is 24 dBm.

Keywords

microstrip antennas; monopole antennas; power conversion; rectifying circuits; frequency 2.4 GHz; loss -22.6 dB; loss -28.3 dB; matching circuits; microwave-DC conversion efficiency; optimized rectenna circuit; optimized wireless power transmission circuit; power 0.61 mW; printed monopole antenna; rectifying circuit; return loss; Design optimization; Dipole antennas; Energy exchange; Fabrication; Feeds; Microwave circuits; Power transmission; Rectennas; Rectifiers; Rectifying circuits;

fLanguage

English

Publisher

ieee

Conference_Titel

Telecommunications Energy Conference, 2009. INTELEC 2009. 31st International

Conference_Location

Incheon

Print_ISBN

978-1-4244-2490-0

Electronic_ISBN

978-1-4244-2491-7

Type

conf

DOI

10.1109/INTLEC.2009.5351937

Filename

5351937