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US 11,967,766 B2Granted
Antenna array with amplitude tapering and method therefor
AssigneeBdcm A2 LLC
InventorSafa Salman
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Abstract
Examples disclosed herein relate to systems and methods for configuring and operating an antenna system. In accordance with various embodiments, the disclosed system and methods utilize amplitude tapering of an antenna array to reduce side lobe levels while optimizing main lobe gain. An antenna array is configured to increase a gain differential by reducing side lobe amplitude. The array of radiating elements is arranged to have a majority of elements at the center of the array with fewer elements on the edges.
Claims9
A method for configuring an antenna system, comprising:
- setting a set of beam parameters for a main array and at least one edge array portion, wherein the main array comprises a first plurality of radiating elements configured to generate a non-tapered beam having a main lobe and side lobes, and wherein the at least one edge array portion comprises a second plurality of radiating elements arranged at a corner of the main array and configured to taper the beam from the main array;
- determining a first configuration of the main array to achieve a main lobe gain;
- determining a first weight for feed to the first plurality of radiating elements;
- determining a second weight for feed to the second plurality of radiating elements;
- determining a gain differential of the main lobe and the side lobes;
- determining a second configuration of the at least one edge array to achieve the gain differential of main lobe and the side lobes;
- determining whether further configuration adjustments of the at least one edge array are needed;
- and
- storing the first and second weights in a configuration for the antenna system.
6 more elements
Dependencies are inferred from the claim text.