Beam correction using a projected aperture area
EP4758746A1Pending Publication Date: 2026-06-17VIASAT INC
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Patent Information
- Application Number
- EP2023768730
- Authority / Receiving Office
- EP · EP
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2023-08-25
- Publication Date
- 2026-06-17
AI Technical Summary
Technical Problem
Mechanically steered antennas face challenges in accurately tracking targets due to equipment failures and slow steering rates, while electronically steered antennas introduce complexities in target tracking.
Method used
The use of an electronically steered antenna that compensates for a projected aperture area by employing linear regression with a projected elevation adjustment parameter to determine offsets for beam correction.
Benefits of technology
This approach enables more accurate beam correction, allowing the electronically steered antenna to maintain signal transmission and receiving characteristics, similar to mechanically steered antennas, while reducing surface area exposure.
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Smart Images
Figure US2023031134_06032025_PF_FP_ABST
Abstract
Methods, systems, and devices for beam correction using a projected aperture area are described. In some examples, a controller coupled with an electronically steered antenna of an antenna system may measure a power parameter of a signal received from a target by the electronically steered antenna. The controller may determine an offset based on applying a linear regression with a projected elevation adjustment parameter to the measured power parameter, where the offset includes a different between a pointing direction and a target direction determined using the linear regression, and where the projected elevation adjustment parameter is adjusted using a projected aperture area of the antenna system relative to the target. In some examples, the controller may steer a direction of a beam of the antenna system based on the determined offset.
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