A Compact Shared-Aperture Tri-Band Dual-Polarized Antenna Module

A tri-band dual-polarized shared-aperture antenna module with easy-to-assemble and compact size characteristics by integrating magneto-electric dipole into electric dipoles is proposed in this paper. The complete antenna module consists of three parts. The first part is a low-band (LB) dual-polarized antenna unit employing two pairs of folded dipoles operating from 0.82 GHz to 0.99 GHz. The second part is a middle-band (MB) antenna unit working in the band of 1.7-2.2 GHz in the form of pairs of magnetic dipoles. The last part is a high-band (HB) antenna unit with a pair of cross-dipole that covers bandwidth from 3.3 GHz to 3.6 GHz. Combining the advantages of the three antenna units, the proposed trip-band antenna module shows good radiation performance for wideband application.

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