WIDEBAND MULTI-LEVEL ANTENNA ELEMENT AND ANTENNA ARRAY
First Claim
Patent Images
1. An antenna element comprising:
- a first conductive patch on a first plane;
a second conductive patch on a second plane, said second patch being spaced apart from said first patch;
a third conductive patch on a third plane, said third patch being spaced apart from said second patch such that said second patch is between said first patch and said third patch;
whereinsaid first patch is spaced apart from a ground plane such that said first patch is between said ground plane and said second patch; and
said antenna element receives a signal feed by way of a slot in said ground plane;
said first, second, and third planes are parallel to each other and to said ground plane.
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Abstract
Systems, methods, and devices relating to an antenna element and to an antenna array. A three level antenna element provides wideband coverage as well as dual polarization. Each of the three levels is a substrate with a conductive patch with the bottom level being spaced apart from the ground plane. Each of the three levels is spaced apart from the other levels with the spacings being non-uniform. The antenna element may be slot coupled by way of a cross slot in the ground plane. The antenna element, when used in an antenna array, may be surrounded by a metallic fence to heighten isolation from other antenna elements.
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Citations
20 Claims
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1. An antenna element comprising:
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a first conductive patch on a first plane; a second conductive patch on a second plane, said second patch being spaced apart from said first patch; a third conductive patch on a third plane, said third patch being spaced apart from said second patch such that said second patch is between said first patch and said third patch; wherein said first patch is spaced apart from a ground plane such that said first patch is between said ground plane and said second patch; and said antenna element receives a signal feed by way of a slot in said ground plane; said first, second, and third planes are parallel to each other and to said ground plane. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An antenna array comprising a plurality of antenna elements, at least one of said antenna elements comprising:
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a first conductive patch on a first plane; a second conductive patch on a second plane, said second patch being spaced apart from said first patch; a third conductive patch on a third plane, said third patch being spaced apart from said second patch such that said second patch is between said first patch and said third patch; wherein said first patch is spaced apart from a ground plane such that said first patch is between said ground plane and said second patch; and said antenna element receives a signal feed by way of a slot in said ground plane; said first, second, and third planes are parallel to each other and to said ground plane. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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Specification