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A Compact Substrate Integrated Waveguide Notched-Septum Polarizer for 5G Mobile Devices

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dc.contributor.authorAl-Amoodi, Khaled
dc.contributor.authorMirzavand, Rashid
dc.contributor.authorHonari, Mohammad Mahdi
dc.contributor.authorMelzer, Jordan
dc.contributor.authorElliott, Duncan G.
dc.contributor.authorMousavi, Pedram
dc.date.accessioned2025-05-01T12:15:19Z
dc.date.available2025-05-01T12:15:19Z
dc.date.issued2020-11-16
dc.descriptionIn this letter, a compact substrate-integrated waveguide (SIW) notched-septum polarizer is designed, manufactured, and tested. Metalized slots are used instead of vias in proximity to the notches to improve polarization purity. An impedance matching bandwidth of 7.9% at 29 GHz and transmission coefficient of better than -1.6 dB are demonstrated. The axial ratio is less than 3 dB over a bandwidth of 4.5% at 29 GHz (sufficient for 5G). An implementation of the polarizer in an array antenna was measured to validate its reliability in antenna applications. Given its performance and small form-factor (length of λo/7 at 29 GHz), the proposed polarizer may be a good option for SIW circularly polarized endfire antennas in 5G mobile devices.
dc.identifier.doihttps://doi.org/10.7939/r3-j603-ep45
dc.language.isoen
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/
dc.subjectMillimeter-wave (mmWave)
dc.subjectDual circular polarization (CP)
dc.subjectBeamsteering
dc.subjectCompact
dc.subjectSubstrate integrated waveguide (SIW)
dc.subjectSeptum polarizer
dc.subjectNotched
dc.subject5G
dc.subjectAxial ratio
dc.titleA Compact Substrate Integrated Waveguide Notched-Septum Polarizer for 5G Mobile Devices
dc.typehttp://purl.org/coar/resource_type/c_6501 http://purl.org/coar/version/c_970fb48d4fbd8a85
ual.jupiterAccesshttp://terms.library.ualberta.ca/public

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