A Substrate Intergrated Gap Waveguide Based Wideband 3-dB Coupler for 5G Applications

被引：35
|
作者：
Shen, Dongya [1 ]
Wang, Ke [1 ]
Zhang, Xiupu [1 ,2 ]
机构：
[1] Yunnan Univ, Sch Informat Sci & Engn, Yunnan Prov Engn Lab Cloud Wireless Access & Hete, Kunming 650500, Yunnan, Peoples R China
[2] Concordia Univ, Dept Elect & Comp Engn, iPhoton Lab, Montreal, PQ H3G 1M8, Canada
来源：
IEEE ACCESS | 2018年 / 6卷
基金：
中国国家自然科学基金;
关键词：
Substrate integrated gap waveguide (SIGW); coupler; electromagnetic band gap (EBG); substrate integrated waveguide (SIW); 5G; DESIGN;
D O I：
10.1109/ACCESS.2018.2879438
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A wideband 3-dB coupler using substrate integrated gap waveguide (SIGW) is proposed based on the principle of the branch-line coupler structure. The SIGW coupler design is comprehensively studied. It is found that SIGW conducting ridge vias play a significant role and have a strong impact on the cavity resonance, passband, and impedance matching. A prototype of the proposed SIGW coupler is fabricated and tested, and the measured agrees well with the simulated. The coupler, better than the reported, has a passband of similar to 5 GHz from 23.59 to 29 GHz with the isolation above 20 dB, covering the 24.25-27.5-GHz and 27.5-28.5-GHz frequency bands of 5G.
引用
收藏
页码：66798 / 66806
页数：9
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