Dual-Band Circularly Polarized Antenna Array for 5G Millimeter-Wave Applications

被引：16

作者：

Sadeghi-Marasht, Samaneh ^{[1
]}

Sharawi, Mohammad S. ^{[2
]}

Zhu, Anding ^{[1
]}

机构：

[1] Univ Coll Dublin, Sch Elect & Elect Engn, Dublin D04 V1W8 4, Ireland

[2] Polytech Montreal, Dept Elect Engn, Montreal, PQ H3T 1J4, Canada

来源：

IEEE OPEN JOURNAL OF ANTENNAS AND PROPAGATION | 2022年 / 3卷

基金：

爱尔兰科学基金会;

关键词：

Beamforming; circular polarization; dual-band; high efficiency; patch antenna; single layer antenna array; PATCH ANTENNA; NETWORKS;

D O I：

10.1109/OJAP.2022.3158226

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 dual-band miniaturized e-shaped antenna with circular polarization (CP) at 28 and 38 GHz is presented in this work for 5G millimeter-wave applications. Characteristic mode analysis (CMA) is used in the design steps of the antenna. This compact antenna consists of a main radiating patch surrounded by an L-shaped and hat-shaped metallic strips. The design was implemented on a single RO5880 substrate with a thickness of 0.508 mm, and fed by a single coaxial cable. A 2 x 2 antenna array was also developed and validated. The dimensions of this array were 1.5 lambda(0) x 1.86 lambda(0) (where lambda(0) is the free space wavelength at 28 GHz). In the lower band of 28 GHz, 95% total efficiency and 12.69 dBiC gain were obtained, while in the higher band of 38 GHz, 90% total efficiency and 11.10 dBiC gain were achieved. The beamforming capability of this dual band array was investigated as well.

引用

页码：314 / 323

页数：10

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