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A compact substrate integrated waveguide backed self‐quadruplexing antenna for C‐band communication
International Journal of RF and Microwave Computer-Aided Engineering ( IF 0.9 ) Pub Date : 2020-08-02 , DOI: 10.1002/mmce.22366
Sounik Kiran Kumar Dash 1 , Qingsha S. Cheng 1 , Rusan Kumar Barik 1
Affiliation  

This article presents a simple, compact, and lightweight substrate integrated waveguide (SIW) backed self‐quadruplexing antenna for quad‐band applications. The design procedure is straightforward. Topside of the SIW cavity is modified to form four patches of different lengths which are fed separately by four 50‐Ω microstrip feed lines and operate at 5.14, 5.78, 6.74, and 7.74. It attains 4.1, 4.96, 6.2, and 6.1 peak gain at the above frequencies, respectively. The observed front‐to‐back‐ratio is more than 17.5 dB and the isolation level is above 28 dB. This antenna topology allows to redesign each resonant frequencies as per application requirement using a single parameter and without disturbing other performances. Design guidelines for developing the proposed antenna are provided. A prototype antenna is fabricated using RT‐Duroid (5870) substrate and characterized for validation. The proposed antenna is suitable for handheld microwave devices for C‐band communication.

中文翻译:

紧凑的基片集成波导后置自正交天线,用于C波段通信

本文介绍了一种用于四频应用的简单,紧凑,轻巧的基片集成波导(SIW)支持的自四工天线。设计过程很简单。修改了SIW腔的顶部,以形成四个不同长度的贴片,分别由四个50Ω微带馈线馈电,并在5.14、5.78、6.74和7.74下工作。在上述频率下,它分别达到4.1、4.96、6.2和6.1峰值增益。观察到的前后比率大于17.5 dB,隔离级别大于28 dB。这种天线拓扑结构允许使用单个参数根据应用要求重新设计每个谐振频率,而不会干扰其他性能。提供了开发拟议天线的设计指南。原型天线是使用RT-Duroid(5870)基板制造的,并进行了验证。建议的天线适用于C波段通信的手持式微波设备。
更新日期:2020-08-02
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