Ultra-Wideband Radar and Wireless Human Sensing
Takuya Sakamoto

TL;DR
This paper reviews recent advances in ultra-wideband radar technology for human sensing, including imaging, motion analysis, and vital sign measurement, with applications in security, healthcare, and biometric systems.
Contribution
It introduces faster radar imaging algorithms, improved signal processing techniques for motion and vital sign detection, and discusses their applications across multiple fields.
Findings
Faster radar imaging algorithms for security screening.
Accurate measurement of human motions and vital signs.
Applications in healthcare, security, and biometric identification.
Abstract
This study presents the progress of our recent research regarding wireless measurements of the human body. First, we explain radar imaging algorithms for screening passengers at security checkpoints that can process data faster than existing algorithms to generate accurate and high-resolution images of human bodies. Second, we introduce signal processing techniques for accurately measuring radar micro-Doppler signals associated with human motions and activities. Finally, we present radar signal processing algorithms for measuring human respiration, heartbeat, and other types of motion. Such algorithms can be applied in various fields including healthcare, security, biometric identification, and man-machine interfaces. These fields have one thing in common: prior knowledge about the human shape, motion, and physiology are effectively exploited to improve performance by optimizing the…
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Taxonomy
TopicsNon-Invasive Vital Sign Monitoring · Advanced SAR Imaging Techniques · Microwave Imaging and Scattering Analysis
