Frequency-, radiation pattern-and polarization-reconfigurable antenna for wireless applications

被引：0

作者：

Xia B. ^{[1
]}

Ming S. ^{[2
]}

Qingmin W. ^{[1
]}

Yang L. ^{[1
]}

Zhiwei G. ^{[1
]}

机构：

[1] School of Information Science and Technology, Shijiazhuang Tiedao University, Shijiazhuang

[2] School of Electronic Engineering, Beijing University of Posts and Telecommunications, Beijing

来源：

Journal of China Universities of Posts and Telecommunications | 2023年 / 30卷 / 01期

关键词：

compound reconfiguration; crossed dipoles; liquid metal; reconfigurable antenna; reflectors;

D O I：

10.19682/j.cnki.1005-8885.2023.2009

中图分类号：

学科分类号：

摘要：

In this communication, a frequency-, radiation pattern-and polarization-reconfigurable antenna employing liquid metal is presented. Two crossed dipole antennas are surrounded by four independent reflectors and directors to realize multi-beam switching. The length of dipole arms can be adjusted by extracting the liquid metal from the needle tube to achieve frequency reconfiguration. The polarization can be switched by injecting liquid metal into different dipole microfluidic channels. It is simple in design and has multiple reconfigurable capabilities. An antenna with a relative frequency tuning range of 35.8% extending from 2.43 GHz to 3.49 GHz is fabricated. It also can perform 6 kinds of beam steering over a 360° coverage and switch between two different polarizations. The antenna has potential to employ cognitive radio (CR) and base station in wireless systems. © 2023, Beijing University of Posts and Telecommunications. All rights reserved.

引用

页码：87 / 92

页数：5

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