A Low-Profile Dual-Band Coaperture Monopolar Antenna Based on Cross-Layer Folded Structure

被引：8

作者：

Li, Yuan Chun ^{[1
]}

Tu, Hua Hui ^{[1
]}

Wang, Kai Xu ^{[2
]}

Xue, Quan ^{[1
]}

Wong, Hang ^{[3
]}

机构：

[1] South China Univ Technol, Sch Elect & Informat Engn, Guangzhou 510641, Peoples R China

[2] Harbin Inst Technol Shenzhen, Shenzhen 518055, Peoples R China

[3] City Univ Hong Kong, Dept Elect Engn, State Key Lab Millimeter Waves, Hong Kong, Peoples R China

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2021年 / 69卷 / 10期

基金：

中国国家自然科学基金;

关键词：

Antennas; Dual-band; low-profile; monopole-like pattern; wideband antenna; SURFACE-WAVE ANTENNA; PATCH ANTENNA; DESIGN;

D O I：

10.1109/TAP.2021.3076355

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 coaperture monopolar antenna with a very low profile is investigated in this communication. A novel cross-layer folded structure is proposed to construct a single-band monopolar antenna in the lower band. It can provide enough space for another higher band section to be integrated together without extra profile. Meanwhile, by adding a high-frequency radiation element to the reserved space, a dual-band coaperture antenna with independent frequency control is obtained. Moreover, by exciting TM01 and TM02 modes in both bands, the proposed antenna can achieve a relatively large impedance bandwidth of 10.9% in the lower band and 14.6% in the upper band with a thickness of 3.14 mm. Stable monopole-like radiation patterns are achieved within the two bands and the gains in the lower and upper bands are 5.2-5.8 and 3.7-5 dBi, respectively. Compared with other works, the proposed antenna features its low-profile and independent band performance.

引用

页码：6936 / 6940

页数：5

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