Metasurface-Based Wideband CP Antenna Array Using Hybrid Coupler for 5G Mid-band Applications

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dc.contributor.authorSupreeyatitikul, Nathapat
dc.contributor.authorLertwiriyaprapa, Titipong
dc.contributor.authorPhongcharoenpanich, Chuwong
dc.date.accessioned2026-08-06T10:39:58Z
dc.date.available2026-08-06T10:39:58Z
dc.date.issued2023-01-01
dc.description.abstractThis paper proposes the lemon-shaped metasurface (MTS)-based wideband circularly polarized (CP) antenna array using hybrid coupler for mid-band wireless communications. The proposed MTS-based CP antenna array includes two-stack layers of FR-4 substrate: upper-stack and lower-stack substrates. The upper-stack substrate contains quadri clusters of 4 × 4 MTS cells. The lower-stack substrate consisted of four slots as the ground plane and hybrid couple as the feed network. Besides, the MTS elements and hybrid couple feed network function as polarization conversion. The proposed MTS-based CP antenna array for 5G mid-band spectrum (center frequency at 4 GHz) achieves simulated IBW of 41.25% (3.35-5 GHz) and ARBW of 21.25% (3.68-4.53 GHz). The simulated maximum gain at 3.9 GHz is 9.1 dBic. The radiation characteristic is right-hand circular polarization radiation.
dc.identifier.citationProceeding 2023 International Electrical Engineering Congress Ieecon 2023, 45-48, 2023
dc.identifier.doi10.1109/iEECON56657.2023.10127032
dc.identifier.other2-s2.0-85163048537
dc.identifier.urihttps://dspace.kmitl.ac.th/handle/123456789/14009
dc.sourceProceeding 2023 International Electrical Engineering Congress Ieecon 2023
dc.subjectAntenna array
dc.subjectcircularly polarized antenna
dc.subjecthybrid coupler
dc.subjectmetasurface
dc.subjectpolarization conversion
dc.titleMetasurface-Based Wideband CP Antenna Array Using Hybrid Coupler for 5G Mid-band Applications
dc.typeConference Paper

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