Wideband Compact Circularly Polarized SICL-Fed S-Dipole Array for Millimeter-Wave Applications

被引：0
作者：
Wang, Zelong [1 ]
Fan, Fangfang [1 ]
Zhao, Xiaofei [1 ]
Li, Rongsheng [1 ]
Mo, Yunke [1 ]
机构：
[1] Natl Key Lab Radar Detect & Sensing, Xian 710071, Peoples R China
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2024年 / 23卷 / 12期
基金：
中国国家自然科学基金;
关键词：
Substrates; Gain; Antenna arrays; Impedance; Antennas; Millimeter wave communication; Antenna feeds; Circularly polarized (CP); compact antenna; millimeter-wave (mm-Wave); substrate integrated coaxial line (SICL); wideband; ANTENNA-ARRAY; ELEMENTS;
D O I：
10.1109/LAWP.2024.3432074
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：
This letter presents a wideband circularly polarized (CP) antenna array for millimeter-wave (mm-Wave) frequencies, leveraging substrate integrated coaxial line for excitation. The CP element incorporates metallized vias, virtual ground patches, and inverted S-shaped strips. Subsequently, a 4 x 4 CP sequential rotation array is designed with a compact configuration that uses a single-layer printed circuit board (PCB) for the radiation layer and a multilayer PCB for the feeding layer. Fabricated prototypes exhibit an impedance bandwidth of 46.6 % [(25.17 to 40.45) GHz], a 3 dB axial ratio bandwidth exceeding 42.8 % [(25.9 to 40) GHz], and a maximum gain of 17.87 dBic. With its compact size, high gain, wide band, and low processing cost, the antenna array is suitable for beyond 5G and 6G mm-Wave communication systems.
引用
收藏
页码：4084 / 4088
页数：5
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