Cyber metasurface system for electromagnetic field closed-loop sensing and manipulation.

Area of Science:

• Electromagnetic field manipulation
• Metasurface technology
• Wireless communication systems

Background:

• Intelligent metasurfaces are crucial for beamforming, wireless communication, and electromagnetic imaging.
• Adaptable metasurface control is vital for practical communications engineering.
• Existing systems lack convenient sub-array management and integrated energy harvesting.

Purpose of the Study:

• To present a cyber-managed metasurface system for enhanced sub-array management.
• To integrate radio frequency energy harvesting with star-topology hybrid networks.
• To enable flexible electromagnetic manipulation and sensing with ultra-low power consumption.

Main Methods:

• Utilizing digitized phase-shifted transmission lines as tunable elements.
• Designing metasurface sub-arrays as modular network nodes (2x2 units).
• Implementing a star-topology hybrid network integrating energy harvesting.

Main Results:

• Achieved convenient metasurface sub-array management.
• Enabled electromagnetic manipulation and sensing capabilities.
• Demonstrated ultra-low power consumption through digitized phase-shifted transmission lines.
• Showcased modular metasurface sub-arrays (LEGO-like) for flexible configurations.

Conclusions:

• The cyber-managed metasurface system offers enhanced convenience and adaptability.
• The system supports versatile applications in wireless communication and passive sensing networks.
• Integration of energy harvesting and modular design provides a scalable and efficient solution.