Millimeter-Wave Wideband Wide-Angle Scanning Proactive Conformal Phased Array Antenna

被引：15

作者：

Cheng, Junqi ^{[1
]}

Liao, Shaowei ^{[1
]}

Feng, Wenjie ^{[1
]}

Che, Wenquan ^{[1
]}

Xue, Quan ^{[1
]}

机构：

[1] South China Univ Technol, Sch Elect & Informat Engn, Guangdong Prov Key Lab Millimeter Wave & Terahertz, Guangzhou 510641, Peoples R China

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2023年 / 22卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Millimeter-wave (mmWave); phased array antenna (PAA); proactive conformal (PC);

D O I：

10.1109/LAWP.2022.3222142

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：

Though conformal phased array antennas have better wide-angle scanning capability than their traditional planar counterparts do, their fabrication is generally complex. Therefore, this letter presents a millimeter-wave (mm Wave) proactive conformal (PC) phased array antenna (PAA) formed by high-low alternate elements/subarrays to proactively modulate the array aperture, achieving wide-angle scanning and easy fabrication. A 1 x 6-element endfire high-gain low sidelobe level subarray is designed, based on which a 4 x 6-element PC PAA is implemented. The measured results show that the reflection coefficient of the fabricated prototype is mostly <-10 dB, the port isolation is >18 dB, the endfire scanning gain is>15.5 dBi, and the 3-dB gain variation scanning range is >+/- 60 degrees with a peak up to +/- 68 degrees within 24.25-29.5 GHz (19.5%).

引用

页码：660 / 664

页数：5

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