SPARSE BILLBOARD AND T-SHAPED ARRAYS FOR TWO-DIMENSIONAL DIRECTION OF ARRIVAL ESTIMATION
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United States of America
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Issued Date -
Apr 10, 2025
app pub date -
Oct 5, 2023
filing date -
Oct 5, 2023
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Abstract
An antenna array for reception of radio waves includes a first leg aligned in a first direction, a second leg aligned in a second direction, a third leg, and a communication module. The elements of the first linear subarray are spaced by a first distance. The elements of the second linear subarray are spaced by a second distance. The first distance is not equal to the second distance. The second direction is orthogonal to the first direction. The third linear subarray is aligned in a third direction that is collinear to the first direction or at an angle of 45 degrees between the first direction and the second direction. The communication module receives the radio waves from the first leg, the second leg and the third leg and determines a two dimensional direction of the source of the radio waves.
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