Abstract
A high-gain dual-polarization patch antenna array is proposed. This antenna is formed by $\mathbf{8\times 8}$ . rectangular stacked patches and fed by microstrip lines. One polarization is fed directly at the edge of the patch while the other polarization is fed by slot coupling from the other side of the ground plane. The measured results show that the 10-dB bandwidth satisfies the 5 GHz WiFi bands. The realized gains of the two polarizations are about 17 dB and 25 dB at the center frequency, respectively. The isolation between the two ports is larger than 46 dB.
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