ANTENNA ARRAY WITH INDEPENDENTLY ROTATED RADIATING ELEMENTS TECHNICAL FIELD
First Claim
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1. A multi-layer printed circuit board (PCB) comprising:
- a beam-forming network (BFN) positioned in a coordinate system of the multi-layered PCB, wherein the BFN comprises a plurality of beam forming stages, wherein a given beam forming stage of the plurality of beamforming stages has the same geometric shape as another beam forming stage of the plurality of beam forming stages; and
a plurality of antenna cells being positioned in the coordinate system of the multi-layered PCB to form a regular tiling pattern, wherein each of the plurality of antenna cells is interconnected with the BFN through a via extending between the BFN and a respective antenna cell and each of the plurality of antenna cells has a predetermined angle of rotation defined in the coordinate system, wherein at least two of the plurality of antenna cells have different predetermined angles of rotation.
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Abstract
An antenna array that can include a plurality of antenna cells positioned in a global coordinate system of the antenna array. Each of the plurality of antenna cells has a respective local coordinate system and can include a radiating element having a predetermined angle of rotation defined in the global coordinate system and an antenna port coupled to the radiating element, the antenna port being positioned at a particular set of coordinates in the respective local coordinate system. The particular set of coordinates of the antenna port of each of the plurality of antenna cells can be the same.
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20 Claims
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1. A multi-layer printed circuit board (PCB) comprising:
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a beam-forming network (BFN) positioned in a coordinate system of the multi-layered PCB, wherein the BFN comprises a plurality of beam forming stages, wherein a given beam forming stage of the plurality of beamforming stages has the same geometric shape as another beam forming stage of the plurality of beam forming stages; and a plurality of antenna cells being positioned in the coordinate system of the multi-layered PCB to form a regular tiling pattern, wherein each of the plurality of antenna cells is interconnected with the BFN through a via extending between the BFN and a respective antenna cell and each of the plurality of antenna cells has a predetermined angle of rotation defined in the coordinate system, wherein at least two of the plurality of antenna cells have different predetermined angles of rotation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A beam-forming network (BFN) comprising:
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a plurality of beam forming stages, wherein each beam forming stage is positioned within a coordinate system of a multi-layered PCB, wherein a given beam forming stage of the plurality of beamforming stages has the same geometric shape as another beam forming stage of the plurality of beam forming stages; and wherein the BFN communicates with a plurality of antenna cells positioned in the coordinate system of the multi-layered PCB to form the regular tiling pattern, and each of the plurality of antenna cells is interconnected with the BFN through a via extending between the BFN and a respective antenna cell and each of the plurality of antenna cells has a predetermined angle of rotation defined in the coordinate system, wherein at least two of the plurality of antenna cells have different predetermined angles of rotation. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification