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- Title
High-Efficiency 5G-Band Rectifier with Impedance Dispersion Compensation Network.
- Authors
Kong, Yiyang; Bai, Xue; Xu, Leijun; Chen, Jianfeng
- Abstract
This paper proposes a microwave rectifier designed for the popular 5G band, featuring impedance dispersion compensation and a cross-type impedance matching network. The rectifier has an ultra-high power conversion efficiency. The compensation network employs two parallel transmission lines to counteract the nonlinear shift of the diode input impedance caused by frequency variation. Additionally, the cross-over impedance matching network enhances matching and minimizes losses. After rigorous theoretical analysis and simulation, the rectifier is fabricated. Experimental results show significant conversion efficiency in the 5G band (across 4–6.5 GHz). At an input power of 12 dBm, the rectifier achieves more than 60% efficiency between 4.8 and 6.4 GHz and more than 70% between 5.2 and 6.2 GHz, with a peak efficiency of 78.1%. Moreover, the rectifier maintains more than 50% efficiency over a wide input power range of 5 to 14 dBm.
- Subjects
WIRELESS power transmission; IMPEDANCE matching; ELECTRIC lines; ENERGY harvesting; 5G networks
- Publication
Electronics (2079-9292), 2024, Vol 13, Issue 16, p3105
- ISSN
2079-9292
- Publication type
Article
- DOI
10.3390/electronics13163105