A compact coupling-fed omnidirectional wideband filtering antenna with high selectivity

被引：0

作者：

Yin, Wenfei ^{[1
]}

Si, Jiacheng ^{[1
]}

Deng, Zhiwen ^{[1
]}

Li, Chunhua ^{[1
]}

Khamas, Salam K. ^{[2
]}

机构：

[1] Hefei Univ Technol, Sch Comp Sci & Informat Engn, Hefei 230009, Peoples R China

[2] Univ Sheffield, Dept Elect & Elect Engn, Sheffield, England

来源：

ELECTROMAGNETICS | 2024年 / 44卷 / 07期

基金：

中国国家自然科学基金;

关键词：

Filtering antenna; omnidirectional radiation; transverse gap; PATCH ANTENNA;

D O I：

10.1080/02726343.2024.2409464

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 paper presents a compact coupling-fed omnidirectional wideband filtering antenna with high selectivity for modern wireless communication systems. The antenna integrates a coupling-fed driven patch with a symmetrical printed & Gcy;-shaped dipole, facilitating wideband performance and high selectivity through multiple coupling paths. Coupling-fed structure introduces radiation nulls (RNs), achieving an operating bandwidth of 54.5% for |S11| <= -10 dB and out-of-band suppression of -9 dB without requiring additional circuits. Simulations and experiments validate the antenna's performance, demonstrating multiple resonant frequencies and consistent omnidirectional radiation patterns. Compared to traditional designs, it offers superior bandwidth and selectivity, making it suitable for integration into planar RF circuits in applications such as Wi-Fi 6, 5 G, and radar systems.

引用

页码：521 / 532

页数：12

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