Design of  high-performance dual-polarized rectenna for microwave wireless power transmission

Chen Qiang; Pan Lin; Huang Yang

doi:10.11884/HPLPB202133.200292

Volume 33 Issue 3

Mar. 2021

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Article Navigation > High Power Laser and Particle Beams > 2021 > 33(3): 033003

Chen Qiang, Pan Lin, Huang Yang. Design of high-performance dual-polarized rectenna for microwave wireless power transmission[J]. High Power Laser and Particle Beams, 2021, 33: 033003. doi: 10.11884/HPLPB202133.200292

Citation:

Chen Qiang, Pan Lin, Huang Yang. Design of high-performance dual-polarized rectenna for microwave wireless power transmission[J]. High Power Laser and Particle Beams, 2021, 33: 033003. doi: 10.11884/HPLPB202133.200292

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Design of high-performance dual-polarized rectenna for microwave wireless power transmission

doi: 10.11884/HPLPB202133.200292

Chen Qiang^1
,,
Pan Lin^2
,,
Huang Yang^1
,

1.
Institute of Electronic Engineering, CAEP, Mianyang 621900, China
2.
China Academy of Engineering Physics, Mianyang 621900, China

Received Date: 2020-10-26
Rev Recd Date: 2020-11-30

Available Online: 2021-03-30

Publish Date: 2021-03-05

Abstract

Abstract

This paper presents a 5.8 GHz high-efficiency dual-polarized rectenna for microwave wireless power transmission. The rectenna consists of a 5.8 GHz dual-polarized receiving antenna and a 5.8 GHz class-F rectifier. A metallic probe is used to integrate the receiving antenna and the rectifier. The receiving antenna is a 2×2 microstrip array antenna and the metal ring loading technology is adopted to improve the rectenna’s impedance bandwidth and robustness. The metal probe instead of the conventional microwave connector and cable is utilized to realize the integration of receiving antenna and rectifier circuit, thus simplifying the structure and reducing the weight, loss and cost of the rectifier antenna. A prototype of the dual-polarized rectenna is fabricated and its rectifying efficiency is measured and compared with the linear-polarized rectenna with the same aperture area. The measured results show that the maximum conversion efficiency of the dual-polarized rectifying antenna reaches 76.8% under the optimum incident power density of 1.47 mW·cm⁻². Compared to the linear-polarized rectenna, when the polarization direction of the incident wave varies from 0° to 90°, the conversion efficiency of the rectenna antenna is always above 62% with stable DC output and the rectenna antenna exhibits excellent all-polarization receiving rectification performance.
- rectenna,
- dual-polarization,
- metallic ring-loaded,
- probe integration,
- conversion efficiency

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References(16)

References

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