Lightweight, Low-Cost, Tightly Coupled Dipole Array Antenna for Wireless Power Transfer

被引：2

作者：

Wen, Lehu ^{[1
]}

Sanz-Izquierdo, Benito ^{[2
]}

Hu, Wei ^{[3
]}

Lin, Cong ^{[3
]}

Wang, Chao ^{[2
]}

机构：

[1] Brunel Univ London, Dept Elect & Elect Engn, Uxbridge UB8 3PH, England

[2] Univ Kent, Sch Engn & Digital Arts, Canterbury CT2 7NT, Kent, England

[3] Xidian Univ, Natl Key Lab Antennas & Microwave Technol, Xian 710071, Peoples R China

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2024年 / 23卷 / 11期

基金：

英国工程与自然科学研究理事会;

关键词：

Feeds; Baluns; Antenna arrays; Bandwidth; Impedance; Power dividers; Dipole antennas; Array antenna; differential feed; lightweight; low profile; tight coupling; ultrawideband; WIDE-BAND;

D O I：

10.1109/LAWP.2024.3390448

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A lightweight, low-cost, tightly coupled dipole array (TCDA) antenna is presented for wireless power transfer. A simple low-cost H-plane scanning booster 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 1-to-4 differential feed network using power dividers and exponentially tapered baluns is designed and utilized to excite the unit cell. Finally, a 5 x 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 degrees 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 (0.4 lambda(h)) TCDA antenna.

引用

页码：3797 / 3801

页数：5

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