Simple 2D phase-mode enabled beam-steering means
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United States of America Patent
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Aug 9, 2016
Grant Date -
Sep 18, 2014
app pub date -
Apr 25, 2013
filing date -
Mar 12, 2013
priority date (Note) -
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Abstract
System and apparatus embodiments are provided for beam-steering. In an embodiment, an apparatus includes a first hybrid splitter/combiner connected to a 0-th phase-mode feed of an array of antenna elements, a second hybrid splitter/combiner, a first pair of variable phase shifters connecting the first hybrid splitter/combiner to the second hybrid splitter/combiner, wherein the first pair of variable phase shifters control a steering direction of a main output beam radial with respect to an array axis by adjustments of respective phases of the variable phase shifters, and wherein the array axis is perpendicular to a plane of the array, and a third variable phase shifter connecting a 1-st phase-mode feed of an array of elements to an input of the first hybrid splitter/combiner, wherein the third variable phase shifter is configured to independently control a direction of the main output beam in a direction circumferential with respect to the array axis.
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