A Reconfigurable Printed Antenna With Frequency and Polarization Diversity Based on Bow-Tie Dipole Structure

被引：20
作者：
Liu, Jie [1 ]
Li, Jian-Ying [1 ]
Xu, Rui [2 ]
Zhou, Shi-Gang [1 ]
机构：
[1] Northwestern Polytech Univ, Sch Elect & Informat, Xian 710129, Shaanxi, Peoples R China
[2] Univ Kent, Sch Engn & Digital Arts, Canterbury CT2 7NT, Kent, England
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2019年 / 67卷 / 12期
基金：
中国国家自然科学基金;
关键词：
P-i-n diodes; Dipole antennas; Directive antennas; Antenna radiation patterns; Switches; Broadband antennas; Circular polarization (CP); linear polarization (LP); reconfiguration; PATCH ANTENNA;
D O I：
10.1109/TAP.2019.2934775
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this communication, a novel frequency and polarization-reconfigurable antenna is designed based on simple dipole-type structure. It is composed by two symmetric bow-tie arms and four switching circuits. Four p-i-n diode switches are used to change the connection state of the bow-tie arms and other four patches. By switching the states of four p-i-n diodes, both the amplitude and phase of the surface currents at different frequencies can be controlled. It follows that an adjustable antenna in frequency and polarization can be devised. As a result, this antenna can realize different working modes. It can be mainly classified into six modes: two single broadband frequency linear polarization (LP) modes (Modes 1 and 2), two dual-broadband LP modes (Modes 3 and 4), and two dual-band circular polarization (CP) modes (Modes 5 and 6). In order to verify the accuracy of this design, this antenna is designed, fabricated, and tested. The measurement results agree very well with the simulation results.
引用
收藏
页码：7628 / 7632
页数：5
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