Broadband high-isolation MIMO loop antenna based on electromagnetic coupling
An electromagnetic coupling and loop antenna technology, which is applied in loop antennas, antennas, antenna coupling, etc., can solve the problems of reduced isolation level, reduced antenna coupling, and unavoidable multi-antenna single antenna coupling, etc., achieving high isolation and compact structure , Improve the effect of isolation
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[0036] The design method of the present invention will be further described below in conjunction with the accompanying drawings.
[0037] A broadband, high-isolation MIMO loop antenna based on electromagnetic coupling proposed by the present invention is composed of four multi-mode loop antennas. Broadband loop antennas such as figure 1 shown. figure 1 (a), (b), and (c) show the geometry of the radiating elements that make up the MIMO loop antenna, corresponding to the top, side, and bottom views, respectively.
[0038] Such as figure 1 As shown, the radiation element of the antenna of the present invention includes a main radiation loop (1), a feed loop (2), a parasitic strip (3), a feed port (5), a 0805 package chip capacitor (4), a parasitic loop (6 ), the dielectric substrate (7) adopts FR4 substrate; the proposed antenna is a two-layer printed antenna (εr=4.4, loss tangent=0.02) on a FR4 substrate (7) with a thickness of 1.0mm, and the inner part of the top layer The ...
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