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Title: Light-Weight Low-Cost Tightly Coupled Dipole Array Antenna for Wireless Power Transfer
Authors: Wen, L
Sanz-Izquierdo, B
Hu, W
Lin, C
Wang, C
Keywords: array antenna;differential feed;light weight;low profile;tight coupling;ultrawideband
Issue Date: 17-Apr-2024
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Citation: Wen. L. et al. (2024) 'Light-Weight Low-Cost Tightly Coupled Dipole Array Antenna for Wireless Power Transfer', IEEE Antennas and Wireless Propagation Letters, 0 (early access), pp. 1 - 5. doi: 10.1109/LAWP.2024.3390448.
Abstract: A light-weight low-cost tightly coupled dipole array (TCDA) antenna is presented for wireless power transfer. A simple low-cost H-plane scanning booster (HSB) layer is first introduced to improve the scanning ability in H-plane. Therefore, a consistent E- and H-plane scanning performance is achieved for the designed unit cell. In addition, a new 1to4 differential feed network using power dividers and exponentially tapered baluns is designed and utilized to excite the unit cell. Finally, a 5×13 finite array antenna prototype was designed, fabricated, and measured for wide beam scanning performance verification. Both the measured and simulated results confirm that the fabricated array antenna can have a wide and consistent scanning range of ±50° in both E-plane and H-plane over 4.3:1 impedance bandwidth. In addition, low cross-polarization levels of less than -30.5 dB are achieved for the fabricated low top-to-ground profile (0.4λ<sub>h</sub>) TCDA antenna.
ISSN: 1536-1225
Other Identifiers: ORCiD: Lehu Wen
Appears in Collections:Dept of Electronic and Electrical Engineering Research Papers

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