INTERLEAVED ORTHOGONAL LINEAR ARRAYS ENABLING DUAL SIMULTANEOUS CIRCULAR POLARIZATION
First Claim
Patent Images
1. An antenna apparatus comprising:
- two sets of orthogonal linearly polarized antenna elements interleaved with each other to receive multiple waves of differing polarizations simultaneously; and
a coupling interface having two input ports coupled to receive signals from the two sets of orthogonal linearly polarized antenna elements and having two output ports to output signals with left hand circular polarization (LHCP) and right hand circular polarization (RHCP).
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Abstract
An antenna apparatus and method for using the same are disclosed. In one embodiment, the antenna apparatus comprises two sets of orthogonal linearly polarized antenna elements interleaved with each other to receive multiple waves of differing polarizations simultaneously; and a coupling interface having two input ports coupled to receive signals from the two sets of orthogonal linearly polarized antenna elements and having two output ports to output signals with left hand circular polarization (LHCP) and right hand circular polarization (RHCP).
47 Citations
33 Claims
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1. An antenna apparatus comprising:
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two sets of orthogonal linearly polarized antenna elements interleaved with each other to receive multiple waves of differing polarizations simultaneously; and a coupling interface having two input ports coupled to receive signals from the two sets of orthogonal linearly polarized antenna elements and having two output ports to output signals with left hand circular polarization (LHCP) and right hand circular polarization (RHCP). - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An antenna apparatus comprising:
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two sets of orthogonal linearly polarized antenna elements interleaved with each other to receive two waves of differing polarizations simultaneously; a combiner having two sets of inputs and two outputs, each of the two sets of inputs coupled to one of the two antennas; and a 90°
hybrid coupler having two input ports coupled to outputs of the combiner and having two output ports to output signals with left hand circular polarization (LHCP) and right hand circular polarization (RHCP). - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 31)
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24. An antenna apparatus comprising:
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a slotted array antenna having antenna elements oriented in a plurality of rows, the plurality of rows being adjacent to each other, with antenna elements in each row being oriented in one polarized orientation and antenna elements of adjacent rows being oriented in an oppositely polarized orientation; and a coupling interface having two input ports coupled to receive signals from the antennas and having two output ports to output signals with left hand circular polarization (LHCP) and right hand circular polarization (RHCP). - View Dependent Claims (25, 26, 27, 28, 29, 30)
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32. A method comprising:
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receiving two radio-frequency (RF) waves having orthogonal polarization using interleaved orthogonal linear arrays; and generating, with a coupling interface, first and second outputs in response to the two RF waves, the first output being a signal with RHCP and the second output being a signal with RHCP. - View Dependent Claims (33)
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Specification