Design and Experiment of Filtering Power Divider Based on Shielded HMSIW/QMSIW Technology for 5G Wireless Applications

Design and Experiment of Filtering Power Divider Based on Shielded HMSIW/QMSIW Technology for 5G Wireless Applications
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适用于 5G 无线应用的基于屏蔽 HMSIW/QMSIW 技术的滤波功分器的设计与实验

DOI:
10.1109/access.2019.2920150
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发表时间:
2019
期刊:
影响因子:
3.9
通讯作者:
Anding Zhu
Anding Zhu
中科院分区:
计算机科学3区
文献类型:
--
作者:
Xiang Wang;Xiao-Wei Zhu;Ling Tian;Pengfei Liu;Wei Hong;Anding Zhu

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提出了一种新型屏蔽半模基片集成波导(SD-HMSIW)和屏蔽四分之一模基片集成波导(SD-QMSIW)滤波功分器(FPD)。所提出的样机能够同时进行功率分割/合成和频率选择。SD-HMSIW和SD-QMSIW谐振腔结合了尺寸紧凑、高品质因数和低损耗的特点。据笔者所知,这是第一次将屏蔽式SIW结构用于平板显示器设计。设计和制作了6个具有纯SD-HMSIW/SD-QMSIW谐振器和混合SD-HMSIW/SD-QMSIW谐振器的原型电路以验证所提出的概念。实现了多层结构以进一步最小化FPD的尺寸。通过交叉耦合机制引入分布在工作通带附近的传输零点。测试和仿真结果表明,采用屏蔽型SIW结构的FPD不仅具有良好的滤波性能,而且在工作频段具有良好的幅值和相位不平衡特性。
In this paper, a new class of shielded half-mode substrate integrated waveguide (SD-HMSIW) and shielded quarter-mode substrate integrated waveguide (SD-QMSIW) filtering power dividers (FPDs) have been presented. The proposed prototypes are capable of splitting/combining power and selecting frequency simultaneously. The SD-HMSIW and SD-QMSIW resonant cavities combine the features of compact size, high-quality factor, and low loss. To the best of author’s knowledge, it is the first time employing the shielded SIW structure for FPD designs. The six prototype circuits with pure or hybrid SD-HMSIW/SD-QMSIW resonators are designed and fabricated to validate the proposed concept. Multilayered structures are implemented to minimize the dimensions of the FPDs further. Transmission zeros distributing near the operating passband are introduced by cross-coupling mechanism. Both measured and simulated results indicate that the proposed FPDs with the shielded SIW structures exhibit not only filtering performance, but also the good magnitude and phase imbalance characteristics in the operating frequency band.
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