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A two-port pattern reconfigurable three-layered Yagi-Uda patch antenna with ±45° dual-polarization characteristic is presented. A driven patch (DP) and two large parasitic patches (LPPs) are printed on the top side of the middle layer, and the middle and bottom layers share a common metal ground. Two microstrip feedlines printed orthogonally on the bottom side of the bottom layer are used to feed...
A dual-polarized multi-layer patch antenna with ±45° pattern reconfigurable characteristic is presented. The two-port antenna contains two same-size substrate layers, with a common ground between them. A driven patch and two parasitic patches are printed on the top side of the upper layer. Through two H-shaped slots in the ground, the antenna is fed by the feedlines printed on the bottom side of the...
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