Ahmed Mohammed Refaey, I. Eshrah, Mohamed A. Moharram Hassan
{"title":"Design of a Wideband Circularly Polarized Orthomode Transducer for 5G Applications","authors":"Ahmed Mohammed Refaey, I. Eshrah, Mohamed A. Moharram Hassan","doi":"10.1109/IMAS55807.2023.10066910","DOIUrl":null,"url":null,"abstract":"A wideband septum-based orthomode transducer (OMT) is designed to characterize and measure dual circularly polarized 5G communication systems. The OMT is designed for the n260 (37–40 GHz) and n259 (39.5-43.5 GHz) bands. The fabricated OMT has 20% fractional bandwidth (36–44 GHz) with a measured return loss and isolation better than 18 dB. The OMT achieves a simulated cross polarization discrimination (XPD) and axial ratio (AR) of 42.5 dB and 0.45 dB respectively. Good agreement between simulations and measurements is obtained.","PeriodicalId":246624,"journal":{"name":"2023 International Microwave and Antenna Symposium (IMAS)","volume":"34 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2023-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2023 International Microwave and Antenna Symposium (IMAS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IMAS55807.2023.10066910","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
A wideband septum-based orthomode transducer (OMT) is designed to characterize and measure dual circularly polarized 5G communication systems. The OMT is designed for the n260 (37–40 GHz) and n259 (39.5-43.5 GHz) bands. The fabricated OMT has 20% fractional bandwidth (36–44 GHz) with a measured return loss and isolation better than 18 dB. The OMT achieves a simulated cross polarization discrimination (XPD) and axial ratio (AR) of 42.5 dB and 0.45 dB respectively. Good agreement between simulations and measurements is obtained.
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