Multi-input multi-output antenna device
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United States of America Patent
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Feb 27, 2018
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N/A
app pub date -
Oct 24, 2016
filing date -
Oct 24, 2016
priority date (Note) -
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Abstract
A MIMO antenna device includes an antenna array, a grounding member, and several supporting pillars hanging the antenna array over the grounding member. The antenna array defining a first and a second longitudinal direction perpendicular to each other includes a square buffering sheet arranged at a center thereof, four square low-frequency antennas respectively arranged at four corners thereof, two square high-frequency antennas arranged at two opposite sides of the buffering sheet in the first longitudinal direction, and a first and a second feeding segment respectively connecting the two diagonal low-frequency antennas to the adjacent two high-frequency antennas. The antenna array can be provided to approximately construct into an inverted S-shaped circuit. Each side of the buffering sheet is different from an edge of each high-frequency antenna, and the edge of each high-frequency antenna is shorter than a side of each low-frequency antenna.
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