Dual-polarized radiating patch antenna
AssigneeUniversity Corporation for Atmospheric Research
InventorJorge Luis Salazar Cerreno
Life of this patent
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Abstract
A dual-polarized patch antenna, an dual-polarized patch antenna array, and a method for forming the same are provided. The dual-polarized patch antenna comprises a radome, a horizontal feed and a vertical feed, a first cross-shaped patch, and a ground plane including a cross aperture. The dual-polarized patch antenna may include a cross patch and a cross aperture to increase the isolation in a cross-polarization between a horizontal polarized signal and a vertical polarized signal in a first principle plane and to decrease a mismatch in co-polarizations between the horizontal polarized signal and the vertical polarized signal in a second principle plane.
Claims18
A dual-polarized patch antenna (100), comprising:
- a radome;
- a horizontal feed and a vertical feed disposed below the radome;
- a first cross-shaped patch disposed below the radome and above the horizontal and vertical feeds;
- and
- a ground plane including a cross aperture disposed below the first cross-shaped patch and above the horizontal and vertical feeds, wherein the ground plane includes four corners and four capacitive and inductive loading corners, each of the four capacitive and inductive loading corners positioned proximate to a respective corner of the four corners.
A dual-polarized patch antenna array (100), comprising an array of dual-polarized patch antenna elements, each respective dual polarized patch antenna including:
- a radome;
- a horizontal feed and a vertical feed disposed below the radome;
- a cross-shaped patch disposed below the radome and above the horizontal and vertical feeds;
- and
- a ground plane including a cross aperture disposed below the first cross-shaped patch and above the horizontal and vertical feeds, wherein the ground plane includes four corners and four capacitive and inductive loading corners, each of the four capacitive and inductive loading corners positioned proximate to a respective corner of the four corners.
A method of forming a dual-polarized patch antenna array including a radome, a horizontal feed, a vertical feed, a cross-shaped patch, and a ground plane including a cross aperture, the method comprising steps of:
- forming the ground plane including a cross aperture, wherein the ground plane includes four corners and four capacitive and inductive loading corners, each of the four capacitive and inductive loading corners positioned proximate to a respective corner of the four corners;
- forming the cross-shaped patch;
- and
- assembling the radome, the horizontal feed below the ground plane, the vertical feed below the ground plane, the cross-shaped patch below the radome and above the ground plane, and the ground plane above the cross-shaped patch and below the radome.
Dependencies are inferred from the claim text.