Six degrees of freedom ground exploiting vector sensor antenna (6Ge antenna)
First Claim
Patent Images
1. An antenna comprising:
- a ground plane having a center;
six receive ports mounted to the ground plane in a circular configuration around the center and separated from each other by approximately 60 degrees;
three conductive half-loops, each respectively disposed in one of three mutually orthogonal planes, wherein each half-loop has two ends and wherein each end is respectively connected to one of the six receive ports; and
three 180°
hybrids, each 180°
hybrid having two input ports, a delta output port, and a sum output port, wherein the two input ports of each 180°
hybrid are respectively connected to the two receive ports of one of the half-loops.
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Abstract
An antenna comprising: a ground plane having a center; six receive ports mounted to the ground plane in a circular configuration around the center and separated from each other by approximately 60 degrees; three conductive half-loops, disposed in mutually orthogonal planes, wherein each half-loop has two ends that are connected to separate receive ports; and three 180° hybrids, each 180° hybrid having two input ports, a delta output port, and a sum output port, wherein the two input ports of each 180° hybrid are connected to the two receive ports of one of the half-loops.
8 Citations
20 Claims
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1. An antenna comprising:
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a ground plane having a center; six receive ports mounted to the ground plane in a circular configuration around the center and separated from each other by approximately 60 degrees; three conductive half-loops, each respectively disposed in one of three mutually orthogonal planes, wherein each half-loop has two ends and wherein each end is respectively connected to one of the six receive ports; and three 180°
hybrids, each 180°
hybrid having two input ports, a delta output port, and a sum output port, wherein the two input ports of each 180°
hybrid are respectively connected to the two receive ports of one of the half-loops. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An antenna comprising:
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a ground plane having a center; six receive ports mounted to the ground plane in a circular configuration around the center and separated from each other by approximately 60 degrees; three conductive half-loops, each respectively disposed in one of three mutually orthogonal planes, wherein each half-loop has two ends and wherein each end is respectively connected to one of the six receive ports; three 180°
hybrids, each 180°
hybrid having two input ports, a delta output port, and a sum output port, wherein the two input ports of each 180°
hybrid are respectively connected to the two receive ports of one of the half-loops;six 4;
1 impedance transformers, one of which connected between each receive port and corresponding input port; andsix low noise amplifiers (LNAs), each LNA being connected to a respective delta output port or sum output port such that every delta output port and every sum output port is connected to a corresponding LNA, and wherein an output of each LNA is provided to a separate receiver. - View Dependent Claims (11)
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12. An antenna comprising:
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a ground plane having a center; six receive ports mounted to the ground plane in a circular configuration about the center and separated from each other by approximately 60 degrees, each receive port having an impedance; three conductive, ground symmetric half-loops, disposed in mutually orthogonal planes in which each half-loop is approximately positioned at a 54°
angle from the ground plane, wherein each half-loop has two ends, and each end is connected to a separate receive port;six transformers, one connected to every receive port; three 180°
hybrids, one for every half-loop, each 180°
hybrid having an impedance, two input ports, a delta output port, and a sum output port, wherein the two input ports of each 180°
hybrid are connected to the two transformers that are connected to the two receive ports of one of the half-loops, and wherein each transformer is configured to transform the impedance of the receive port to match the impedance of the 180°
hybrid to which each transformer is connected;six low noise amplifiers (LNAs), wherein each delta output port and sum output port is connected to a different LNA, wherein each LNA is configured to produce an amplified signal; and six receivers, wherein each receiver is configured to receive the amplified signal from one of the six LNAs. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification