2017 IEEE Wireless Power Transfer Conference (WPTC) 2017

DOI: 10.1109/wpt.2017.7953902

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Microstrip antenna and rectifier for wireless power transfar at 94GHz

Kosumo Matsui Kimiya Komurasaki

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Waku Hatakeyama

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et al.

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Cited by 9 publications

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Comparison of Terahertz, Microwave, and Laser Power Beaming Under Clear and Adverse Weather Conditions

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et al. 2020

J Infrared Milli Terahz Waves

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Comparison of Terahertz, Microwave, and Laser Power Beaming Under Clear and Adverse Weather Conditions

¹

,

²

,

³

et al. 2020

J Infrared Milli Terahz Waves

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Scalable, High-Sensitivity X-Band Rectenna Array for the Demonstration of Space-to-Earth Power Beaming

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et al. 2021

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This paper presents a large, modular X-band rectenna array developed for the planned demonstration of a space-to-Earth power beaming link operating at 10 GHz. The array is composed of 16 tiles assembled into a panel greater than 1 m × 1 m in size. To accommodate tests during the early development and construction of the space-based transmitter, the rectenna cells are designed to maximize performance at low power densities using commercial-off-the-shelf Schottky diodes. To increase efficiency at the expense of some field-of-view, each rectenna cell employs a 4-antenna subarray to feed a single diode. Array performance is validated over a 30-dB range of power densities from 1 mW/m 2 to 1 W/m 2 , reaching a total rectenna efficiency in excess of 39% at 1 W/m 2. The rectenna array's field of view, defined by the 3-dB beamwidth of its antenna subarray, is 36 • × 36 •. The DC power collected by each tile is combined in a reconfigurable manner to control the output voltage level for the protection of electrical loads. These results are expected to directly influence the first demonstrations of space-to-Earth power transfer. INDEX TERMS Wireless power transmission, rectennas, solar power, satellites. FIGURE 2. Block diagram of the rectenna topology used in this paper. This topology is based on the original rectenna designs by William Brown [4]-[8].

W-Band rectenna array based on SIW slot antenna

Liu¹,

Yu²,

et al. 2020

2020 International Conference on Microwave and Millimeter Wave Technology (ICMMT)

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