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A low profile, high gain and wideband parasitic patch antenna with filtering response is investigated in this paper. The parasitic patches are fed by two separated microstrip-coupled slots from the bottom. Good filtering performance in the lower stopband is achieved by the separation between the two slots together with a shorting via, whereas a sharp roll-off rate at upper band edge for the filtering...
A low-profile, high-gain, and wideband metasurface (MS)-based filtering antenna with high selectivity is investigated in this communication. The planar MS consists of nonuniform metallic patch cells, and it is fed by two separated microstrip-coupled slots from the bottom. The separation between the two slots together with a shorting via is used to provide good filtering performance in the lower stopband,...
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