Techniques for beam squinting in non-geostationary satellite communication systems

JP2026517565APending Publication Date: 2026-06-02VIASAT INC
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
VIASAT INC
Filing Date
2024-03-14
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Existing NGSO satellite communication systems face challenges in efficiently deploying and operating large satellite constellations due to trade-offs in cost, complexity, performance, power consumption, reliability, weight, and size, particularly in managing beam squint and signal isolation between uplink and downlink communications.

Method used

Configuring satellites with specific combinations of receiving and transmitting antenna systems, transponder systems, and control systems to support efficient deployment of large satellite constellations, enabling flexible operation and improved signal isolation through orthogonal polarizations and frequency ranges, along with beamforming and orbital adjustments.

Benefits of technology

Enables efficient deployment and operation of large satellite constellations with improved signal isolation and flexibility, optimizing characteristics such as cost, complexity, performance, and reliability.

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Abstract

A satellite in a communication system may be equipped with a phased array antenna system, which may include various configurations of antenna arrays on one or more sides of the satellite. The satellite may be configured to communicate signaling between gateway terminals and user terminals while steering toward a location in the service area. In some examples, the satellite may be configured to communicate with multiple user terminals (e.g., simultaneously) using a single beam, with the user terminal communications assigned to different frequency bands. For example, a first frequency band, based on the location of a first user terminal and associated with the single beam, may be used to communicate with the first user terminal, and a second frequency band, based on the location of a second user terminal and associated with the single beam, may be used to communicate with the second user terminal.
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