Low-Profile SIW-Based Triplex Filtering Antenna With Improved Gain

被引：2

作者：

Li, Rui ^{[1
,2
]}

Zhang, Gang ^{[1
,2
,3
,4
]}

Liu, Tianxiao ^{[1
,2
]}

Liu, Yijie ^{[5
]}

Li, Na ^{[1
,2
]}

Yang, Xinyu ^{[1
,2
]}

Xu, Yanhui ^{[6
]}

Wang, Shiyan ^{[1
,2
]}

Yang, Hua ^{[4
]}

Tang, Wanchun ^{[1
,2
]}

机构：

[1] Nanjing Normal Univ, Jiangsu Key Lab 3D Printing Equipment & Mfg, Nanjing 210046, Peoples R China

[2] Nanjing Normal Univ, Sch Elect & Automat Engn, Nanjing 210046, Peoples R China

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

[4] Guangdong Shenglu Telecommun Tech Co Ltd, Foshan 528199, Peoples R China

[5] State Grid Wuxi Power Supply Co, Wuxi 214000, Peoples R China

[6] Univ Macau, Fac Sci & Technol, Dept Elect & Comp Engn, Macau, Peoples R China

来源：

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS | 2023年 / 70卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Antennas; Filtering; Resonant frequency; Antenna feeds; Substrates; Passband; Gain; Triplex; dual-slot antenna; filtering antenna; substrate integrated waveguide (SIW); DUAL-BAND; WAVE-GUIDE; CAVITY;

D O I：

10.1109/TCSII.2022.3224163

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：

In this brief, a low-profile triple-fed high-isolation triplex filtering antenna is proposed based on the substrate integrated waveguide (SIW), for the first time. By co-sharing radiators, constructing common feeding resonant cavities and loading additional metal via holes, a closely-spaced-channel triplexer topology is developed with three adjustable frequency passbands. To verify the proposed concept, a prototype operating at 6.68 GHz, 7.52 GHz and 8.0 GHz is designed, simulated and measured. It exhibits high channel-to-channel isolation of over 21.83 dB as well as good passband gains of 7.1 dBi, 4.55 dBi and 5.99 dBi, respectively.

引用

页码：1415 / 1419

页数：5

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