{"title":"A Low-Profile Wideband Pattern-Reconfigurable Metamaterial Antenna Based on Higher-Order Modes","authors":"Zhuohan Chen;Yuandan Dong","doi":"10.1109/LAWP.2024.3453939","DOIUrl":null,"url":null,"abstract":"In this letter, a low-profile wideband pattern-reconfigurable antenna is proposed. The antenna is designed for indoor 5G communication scenarios. The beams can be reconfigured in four tilted directions and one broadside direction. The novelty of this work is that the \n<inline-formula><tex-math>${\\text{T}}{{{\\text{M}}}_{22}}$</tex-math></inline-formula>\n and \n<inline-formula><tex-math>${\\text{T}}{{{\\text{M}}}_{20}}$</tex-math></inline-formula>\n modes in a metamaterial resonator are tuned together by eight tuning pins, so that a wideband odd-even-mode superposition can be realized, and the antenna can realize wideband tilted beams. The electromagnetic (EM) simulation indicates that the broadside beams have an impedance bandwidth (\n<inline-formula><tex-math>${{{\\bm{S}}}_{11}}$</tex-math></inline-formula>\n< −10 dB) of 3.25 GHz to 3.90 GHz, while the tilted beams have an impedance bandwidth from 3.2 GHz to 4.25 GHz, and in frequency band 3.2 GHz to 4 GHz, a tilted beam about 30° can be observed, the front-to-back ratio in θ = 30° plane is also higher than 7 dB. Finally, a sample antenna is fabricated and tested to verify the simulation.","PeriodicalId":51059,"journal":{"name":"IEEE Antennas and Wireless Propagation Letters","volume":"23 12","pages":"4498-4502"},"PeriodicalIF":3.7000,"publicationDate":"2024-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE Antennas and Wireless Propagation Letters","FirstCategoryId":"94","ListUrlMain":"https://ieeexplore.ieee.org/document/10663701/","RegionNum":2,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"ENGINEERING, ELECTRICAL & ELECTRONIC","Score":null,"Total":0}
引用次数: 0
Abstract
In this letter, a low-profile wideband pattern-reconfigurable antenna is proposed. The antenna is designed for indoor 5G communication scenarios. The beams can be reconfigured in four tilted directions and one broadside direction. The novelty of this work is that the
${\text{T}}{{{\text{M}}}_{22}}$
and
${\text{T}}{{{\text{M}}}_{20}}$
modes in a metamaterial resonator are tuned together by eight tuning pins, so that a wideband odd-even-mode superposition can be realized, and the antenna can realize wideband tilted beams. The electromagnetic (EM) simulation indicates that the broadside beams have an impedance bandwidth (
${{{\bm{S}}}_{11}}$
< −10 dB) of 3.25 GHz to 3.90 GHz, while the tilted beams have an impedance bandwidth from 3.2 GHz to 4.25 GHz, and in frequency band 3.2 GHz to 4 GHz, a tilted beam about 30° can be observed, the front-to-back ratio in θ = 30° plane is also higher than 7 dB. Finally, a sample antenna is fabricated and tested to verify the simulation.
期刊介绍:
IEEE Antennas and Wireless Propagation Letters (AWP Letters) is devoted to the rapid electronic publication of short manuscripts in the technical areas of Antennas and Wireless Propagation. These are areas of competence for the IEEE Antennas and Propagation Society (AP-S). AWPL aims to be one of the "fastest" journals among IEEE publications. This means that for papers that are eventually accepted, it is intended that an author may expect his or her paper to appear in IEEE Xplore, on average, around two months after submission.