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A novel compact dual-band cavity-backed substrate integrated waveguide (SIW) array antenna using high-order radiation modes has been proposed in this paper. The first high-order hybrid mode (superposition of TM310 and TM130) and the second high-order mode (TM320) of K-band in the SIW cavity are excited by an inductive window for dual-band application. The operation mechanism of high-order modes is...
In this paper, we propose a uni-directional, dual-polarized MIMO antenna for indoor 2.4-GHz WLAN systems. This antenna consists of a cavity-backed annular slot and two inverted microstrip feed lines which are mutually orthogonal. To further suppress the cross-polarized levels and enhance the ports isolation two grounded strips are symmetrically mounted in the opposite direction of the feed lines and...
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