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

doi:10.19682/j.cnki.1005-8885.2023.2009

中国邮电高校学报(英文) ›› 2023, Vol. 30 ›› Issue (1): 87-92.doi: 10.19682/j.cnki.1005-8885.2023.2009

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

Bai Xia, Su Ming, Wang Qingmin, Liu Yang, Gao Zhiwei

1. School of Information Science and Technology, Shijiazhuang Tiedao University, Shijiazhuang 050043, China
2. School of Electronic Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China

收稿日期:2021-07-13 修回日期:2022-06-28 接受日期:2023-02-13 出版日期:2023-02-28 发布日期:2023-02-28
通讯作者: Wang Qingmin, E-mail: wangqm1088@163.com E-mail:wangqm1088@163.com
基金资助:
This work was supported by the Project of Hebei Key Laboratory of Electromagnetic Environmental Effects and Information Processing (20210004, 20210012).

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

Bai Xia, Su Ming, Wang Qingmin, Liu Yang, Gao Zhiwei

1. School of Information Science and Technology, Shijiazhuang Tiedao University, Shijiazhuang 050043, China
2. School of Electronic Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China

Received:2021-07-13 Revised:2022-06-28 Accepted:2023-02-13 Online:2023-02-28 Published:2023-02-28
Contact: Wang Qingmin, E-mail: wangqm1088@163.com E-mail:wangqm1088@163.com
Supported by:
This work was supported by the Project of Hebei Key Laboratory of Electromagnetic Environmental Effects and Information Processing (20210004, 20210012).

摘要/Abstract

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.

关键词: reconfigurable antenna, liquid metal, crossed dipoles, reflectors, compound reconfiguration

Abstract: 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.

Key words: reconfigurable antenna, liquid metal, crossed dipoles, reflectors, compound reconfiguration

中图分类号:

TN821+.4

Bai Xia, Su Ming, Wang Qingmin, Liu Yang, Gao Zhiwei. Frequency-, radiation pattern- and polarization-reconfigurable antenna for wireless applications[J]. The Journal of China Universities of Posts and Telecommunications, 2023, 30(1): 87-92.

参考文献

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

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

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