Square Slotted Patch Antenna for 2.45 GHz Far-field Wireless Power Transfer

A square slotted patch antenna for far-field wireless power transfer applications is presented. The antenna has compact size equal to 0.416 \times 0.236 \times 0.013 \lambda which can be fit into most of the devices. It exhibits a total of 780 MHz of -10 dB impedance bandwidth in S-band with good di...

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Veröffentlicht in:2019 IEEE International Conference on Microwaves, Antennas, Communications and Electronic Systems (COMCAS) S. 1 - 4
Hauptverfasser: Kulkarni, Shashank S., Baghel, Amit Kumar, Nayak, Sisir Kumar
Format: Tagungsbericht
Sprache:Englisch
Veröffentlicht: IEEE 01.11.2019
Schlagworte:
Antenna measurements
Bandwidth
far field wireless power transfer
Friss transmission equation
Gain
Horn antennas
Impedance
Mathematical models
Microwave antennas
patch antenna
Patch antennas
Transmitting antennas
Wireless power transfer
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Zusammenfassung:A square slotted patch antenna for far-field wireless power transfer applications is presented. The antenna has compact size equal to 0.416 \times 0.236 \times 0.013 \lambda which can be fit into most of the devices. It exhibits a total of 780 MHz of -10 dB impedance bandwidth in S-band with good directional characteristics. A maximum of 1.24 dB gain is observed with 1.025 dB at 2.45 GHz. A prototype of the antenna is fabricated and tested for S-band with good agreement between measured and simulated results. A computed study for far field WPT based on Friis transmission equation is presented for double ridged guide and parabolic profile horn as transmitting antennas.
DOI:10.1109/COMCAS44984.2019.8958143