LOW PROFILE WIDEBAND MULTIBEAM INTEGRATED DUAL POLARIZATION ANTENNA ARRAY WITH COMPENSATED MUTUAL COUPLING
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United States of America Patent
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Issued Date -
Jul 18, 2013
app pub date -
Jan 17, 2012
filing date -
Jan 17, 2012
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Abandoned
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Abstract
A low profile wideband multi-beam integrated dual polarization antenna array with compensated mutual coupling effect. Instead of suppressing mutual coupling with post-element-design techniques by attempting to block the reflections between elements, an element of the array is designed using its active impedance, i.e. its impedance with mutual coupling once the element is part of the array. The active impedance is determined using various simulation techniques and the element is then designed such that its impedance is shifted in order to modify its active impedance. This technique does not reduce the mutual coupling itself but instead, compensates for the mutual coupling effect and improves the return loss of the element.
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