Advancements in Passive Wireless Sensing Systems in Monitoring Harsh Environment and Healthcare Applications

Area of Science:

• Engineering
• Materials Science
• Biomedical Engineering

Background:

• Passive wireless sensor technology offers battery-free, miniaturized, and lightweight solutions for monitoring.
• These sensors are increasingly vital for industrial and healthcare applications, including internal body spaces and epidermal devices.
• Current research lacks a systematic framework for optimizing passive wireless sensor system architectures.

Purpose of the Study:

• To systematically review and establish a research framework for passive wireless sensor technology.
• To evaluate current system architectures and component functions (sensor module, communication, readout).
• To provide a research trajectory for advanced, user-friendly applications.

Main Methods:

• Examination of diverse application scenarios in industry and healthcare.
• Evaluation of existing passive wireless sensor system architectures.
• Analysis of individual component functions within sensing systems.
• Presentation of case studies for component feasibility.

Main Results:

• Identification of key components: passive sensor module, wireless communication model, and readout module.
• Demonstration of component feasibility through case studies for specific sensing scenarios.
• Highlighting the need for a systematic approach to system architecture development.

Conclusions:

• A systematic framework is crucial for optimizing passive wireless sensor systems.
• The review provides a foundation for developing more advanced and user-friendly sensing applications.
• Further research is needed to refine system architectures for broader adoption.