High-isolation MIMO (Multiple Input Multiple Output) antenna
A high-isolation, antenna technology, applied in the direction of antenna coupling, etc., can solve the problems of large size, poor isolation, narrow frequency band, etc., and achieve the effect of compact structure, low cost, and low mutual coupling
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[0020] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples.
[0021] The dielectric substrate (1) material used in the antenna described in this embodiment is FR-4 (epoxy fiberglass board), the substrate size is W * L, and the thickness is h, wherein W=39mm, L=52mm, h=1.6mm . Working in the WLAN frequency band, the antenna adopts the microstrip feeding method, the length of the two microstrip feeders is Wf = 28mm, the width is W1 = 2mm, and the thickness of the copper coating is 0.035mm.
[0022] The two radiators in this embodiment are E-shaped planar microstrip metal patches, with a branch width of 1.97mm and a copper thickness of 0.035mm. The two radiators are respectively located at the left and right corners of the upper end of the dielectric substrate (1), and the opening direction faces Internal and mirror symmetrical settings...
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