A broadband MIMO differential filter slot antenna
A differential filtering, slot antenna technology, applied in the field of antennas, can solve the problems of large occupied volume and less MIMO filter antennas, and achieve the effects of flat gain, good low cross-polarization, and good impedance matching performance
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[0045] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific preferred embodiments.
[0046] The MIMO broadband differential filtering slot antenna of the present invention is described in detail by taking a WLAN system operating at a center frequency of 5.2 GHz as an example.
[0047] Such as figure 1 As shown, a wideband MIMO differential filtering slot antenna includes an antenna board and four differential filtering slot antenna units.
[0048] The four differential filter slot antenna units are respectively A1, A2, A3 and A4 along the counterclockwise direction, A1, A2, A3 and A4 are symmetrical about the center point of the antenna board, and two adjacent differential filter slot antenna units are perpendicular to each other.
[0049] Such as figure 2 As shown, the antenna board includes a dielectric substrate S1, an upper metal layer S2 disposed on the upper surface of the dielectric substrate, and ...
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