Journal
2021 IEEE WIRELESS POWER TRANSFER CONFERENCE (WPTC)
Volume -, Issue -, Pages -Publisher
IEEE
DOI: 10.1109/WPTC51349.2021.9458208
Keywords
Wireless power transfer; ranging; active antenna; array
Funding
- Italian Ministry of Education, University and Research (MIUR) [PRIN 2017-WPT4WID]
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This paper presents an effective solution for utilizing frequency diverse arrays (FDAs) for precise power transfer by controlling the radiation mechanism through a periodic pulse sequence at the radiating elements port. The effectiveness of the time-based architecture is numerically demonstrated through a multi-finger planar array operating at millimeter-wave. Preliminary measured results in the microwave range confirm the FDA unique capability of controlling the range-dependent behavior if pulsed excitations are adopted.
In this contribution an effective solution for the exploitation of frequency diverse arrays (FDAs) for a precise transfer of power is proposed. The time-dependent radiation mechanism is controlled by a periodic pulse sequence at the radiating elements port. In this way, one can easily select the distance where the power has to be sent, thanks to the direct relationship established between the distance and the time window position within one period. The effectiveness of the time-based architecture is numerically demonstrated through a multi-finger planar array operating at millimeter-wave. Preliminary measured results in the microwave range confirm the FDA unique capability of controlling the range-dependent behavior if pulsed excitations are adopted.
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