A Novel Two-Propagation-Modes Dual-Polarized Slotted-SIW Antenna for 5G and Sub-6GHz Services

Q2 Engineering International Journal on Communications Antenna and Propagation Pub Date : 2021-06-30 DOI:10.15866/irecap.v11i3.20810

I. Herrero-Sebastián, C. Benavente-Peces

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引用次数: 1

Abstract

A novel planar antenna for dual-linear-polarized applications, based on Substrate Integrated Waveguide (SIW) technology, and its dual-mode transceiver, acting as Orthomode Transceiver (OMT), are presented. TE10 and TE20 propagation modes are excited on the SIW to feed two orthogonal slots at the same time, operating at the same frequency band. Each slot produces the radiation according to the current distribution corresponding to their own mode without mutual interference. A dual-mode feeder and termination are used to excite a travelling wave in both modes, allowing the excitation and extraction of the propagation modes through the SIW on a single-layer circuit. In addition, a combination of 90°-hybrid circuits is designed in a single layer, to simplify the manufacture and assembly of the antenna, and acts as OMT by accomplishing the proper phase differences to create TE10 and TE20 at the same time and frequency on both sides of the SIW. As a result, a dual-beam and dual-polarized high-performance antenna is developed at sub-6GHz bands for 5G and other systems, such as Global-Coverage Satellites and Wi-Fi, through a combination of passive circuits to separate the orthogonal polarizations.

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用于5G和Sub-6GHz业务的新型双传播模式双极化开槽siw天线

提出了一种基于衬底集成波导(SIW)技术的新型双线极化平面天线及其双模收发器——正交收发器(OMT)。在SIW上激发TE10和TE20传播模式，同时馈送两个正交槽，工作在同一频段。每个槽根据各自模式对应的电流分布产生辐射，互不干扰。采用双模馈线和终端来激发两种模式的行波，从而在单层电路上通过SIW激发和提取传播模式。此外，在单层中设计了90°混合电路组合，以简化天线的制造和组装，并通过实现适当的相位差在SIW两侧同时产生TE10和TE20，从而充当OMT。因此，通过组合无源电路分离正交极化，在6ghz以下频段开发了用于5G和其他系统(如全球覆盖卫星和Wi-Fi)的双波束双极化高性能天线。

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来源期刊

International Journal on Communications Antenna and Propagation Engineering-Media Technology

CiteScore

2.90

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0.00%

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期刊介绍： The International Journal on Communications Antenna and Propagation (IRECAP) is a peer-reviewed journal that publishes original theoretical and applied papers on all aspects of Communications, Antenna, Propagation and networking technologies.