The Overview of Human Localization and Vital Sign Signal Measurement Using Handheld IR-UWB Through-Wall Radar

Area of Science:

• Electrical Engineering
• Biomedical Engineering
• Remote Sensing Technology

Background:

• Non-invasive remote sensing is crucial for obtaining human physiological data (position, respiration, heartbeat) through opaque barriers.
• Impulse radio ultra-wideband (IR-UWB) through-wall radar is a leading technology due to its penetration, resolution, and cost-effectiveness.

Purpose of the Study:

• To review key advances in IR-UWB through-wall radar systems for human detection.
• To discuss human detection theory, signal processing, and vital sign measurement methods.

Main Methods:

• Focus on IR-UWB through-wall radar system design and deployment strategies.
• Exploration of human detection theories and signal processing algorithms.
• Discussion of engineering pre-processing techniques and recent research progress.

Main Results:

• IR-UWB through-wall radar enables accurate measurement of human vital signs and localization of moving individuals.
• Various hardware, deployment, and signal processing approaches have been developed to improve data acquisition speed and accuracy.

Conclusions:

• IR-UWB through-wall radar is a mature technology with significant advancements in human sensing capabilities.
• Future research directions include further refinement of algorithms and system integration for enhanced performance.