{"title":"Metallized via Loaded Quarter Mode SIW Slot Antenna for Dual-band Operation","authors":"Sudhakar V. Alapati, Jagadeesh Dokuparthi","doi":"10.1109/PIERS-Fall48861.2019.9021633","DOIUrl":null,"url":null,"abstract":"In this paper, a dual-band miniaturized Quarter Mode Substrate Integrated Waveguide (QMSIW) slot antenna is presented using fundamental mode (TE100) and hybrid mode (TE130,310). Initially, a full mode square cavity resonator is designed on a single substrate and divided into two halves along a magnetic wall to obtain a Half Mode SIW (HMSIW). This HMSIW is further divided into two parts along a magnetic wall to obtain Quarter Mode SIW (QMSIW). The QMSIW is loaded by two metallized vias and a slot and excited by line feeding technique. Since the antenna is radiating through two magnetic walls, the direction of maximum gain deviates from the boresight direction. The impedance bandwidth of the proposed antenna is 2.3% and 4.7% with peak gain of 5.3 dB and 8.7 dB at the center frequencies of 4.3 GHz and 9.6 GHz respectively.","PeriodicalId":197451,"journal":{"name":"2019 Photonics & Electromagnetics Research Symposium - Fall (PIERS - Fall)","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2019 Photonics & Electromagnetics Research Symposium - Fall (PIERS - Fall)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/PIERS-Fall48861.2019.9021633","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
In this paper, a dual-band miniaturized Quarter Mode Substrate Integrated Waveguide (QMSIW) slot antenna is presented using fundamental mode (TE100) and hybrid mode (TE130,310). Initially, a full mode square cavity resonator is designed on a single substrate and divided into two halves along a magnetic wall to obtain a Half Mode SIW (HMSIW). This HMSIW is further divided into two parts along a magnetic wall to obtain Quarter Mode SIW (QMSIW). The QMSIW is loaded by two metallized vias and a slot and excited by line feeding technique. Since the antenna is radiating through two magnetic walls, the direction of maximum gain deviates from the boresight direction. The impedance bandwidth of the proposed antenna is 2.3% and 4.7% with peak gain of 5.3 dB and 8.7 dB at the center frequencies of 4.3 GHz and 9.6 GHz respectively.
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