How a Compact Digital Phased Array Antenna System Works

This patent describes a system for an advanced antenna that can steer radio signals using digital technology, packed into a compact, managed unit.

What it covers

This system provides a way to create a digital beamformed phased array feed, which is an antenna that can electronically steer radio signals. It includes a radome, which is a protective cover that allows electromagnetic waves to pass through. At its core is a multi-band software defined antenna array tile, which contains many small coupled dipole array antenna elements. These elements work with frequency converters and digital beamformers to process and direct signals. The entire system is managed by a power and clock management subsystem and a thermal management subsystem to handle heat, all housed within an enclosure assembly. For example, this system could allow a satellite dish to aim its signal very precisely without needing to physically move the entire dish.

What it doesn't cover

• —Does not cover purely analog beamforming systems that steer signals without digital processing.
• —Does not cover single-band antenna systems that operate only on one specific frequency range.
• —Does not cover antenna systems that are not 'software defined' and cannot be reconfigured through software.
• —Does not cover systems lacking integrated thermal or power management subsystems.
• —Does not cover single antenna elements or non-array antenna designs.

The clever bit

The novelty lies in integrating multiple digital beamformers, frequency converters, and antenna elements into a compact, 'multi-band software defined antenna array tile' with built-in power and thermal management. This creates an efficient, adaptable, and self-contained system for precise signal steering.

Why it matters

This technology is important because it allows for highly flexible and reconfigurable antennas. The software-defined aspects enable rapid adaptation to different communication needs or environments. Integrating thermal and power management is crucial for creating compact, high-performance systems that can operate reliably. Such systems are vital for modern communication infrastructure, including 5G networks, satellite internet, and advanced radar applications.

Real-world examples

• 1.Satellite internet terminals (e.g., Starlink dishes)
• 2.5G cellular base stations
• 3.Advanced military radar systems
• 4.Aircraft communication and navigation systems