Abstract
AbstractA low‐profile wideband dual‐polarized microstrip antenna is presented for 5G communication. Using a periodical diamond structure, both low profile and wideband performance have been achieved with high port isolation. Relative bandwidths of 53.4% and 54.0% are obtained for two polarizations with a low profile of 0.047λ0, where λ0 is the free space wavelength at the center frequency of 4.18 GHz. The dual aperture coupling method is adopted for each polarization direction and high‐order modes are stimulated across the passband. The measured port isolation of more than 30 dB is obtained. Unidirectional radiation patterns have been achieved with low cross‐polarization levels. The proposed dual‐polarized microstrip antenna can offer a low‐profile structure and wideband performance, which can be another potential candidate for the 5G communication.
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