An Overview of Signal Processing Techniques for Remote Health Monitoring Using Impulse Radio UWB Transceiver

基于脉冲无线电超宽带收发机的远程健康监测信号处理技术综述

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ID: 116109
2020
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Abstract
Non-invasive remote health monitoring plays a vital role in epidemiological situations such as SARS outbreak (2003), MERS (2015) and the recently ongoing outbreak of COVID-19 because it is extremely risky to get close to the patient due to the spread of contagious infections. Non-invasive monitoring is also extremely necessary in situations where it is difficult to use complicated wired connections, such as ECG monitoring for infants, burn victims or during rescue missions when people are buried during building collapses/earthquakes. Due to the unique characteristics such as higher penetration capabilities, extremely precise ranging, low power requirement, low cost, simple hardware and robustness to multipath interferences, Impulse Radio Ultra Wideband (IR-UWB) technology is appropriate for non-invasive medical applications. IR-UWB sensors detect the macro as well as micro movement inside the human body due to its fine range resolution. The two vital signs, i.e., respiration rate and heart rate, can be measured by IR-UWB radar by measuring the change in the magnitude of signal due to displacement caused by human lungs, heart during respiration and heart beating. This paper reviews recent advances in IR- UWB radar sensor design for healthcare, such as vital signs measurements of a stationary human, vitals of a non-stationary human, vital signs of people in a vehicle, through the wall vitals measurement, neonate’s health monitoring, fall detection, sleep monitoring and medical imaging. Although we have covered many topics related to health monitoring using IR-UWB, this paper is mainly focused on signal processing techniques for measurement of vital signs, i.e., respiration and heart rate monitoring.
在SARS爆发（2003年）、MERS（2015年）以及近期持续的COVID-19等流行病疫情中，非侵入式远程健康监测发挥着至关重要的作用，因为传染性疾病的传播使得接近患者具有极高的风险。在难以使用复杂有线连接的场景下，非侵入式监测同样必不可少，例如婴儿或烧伤患者的心电（ECG）监测，以及在建筑物倒塌/地震中搜救被埋人员的救援任务。凭借穿透能力强、测距精度极高、功耗低、成本低、硬件结构简单以及抗多径干扰鲁棒性强等独特优势，脉冲无线电超宽带（IR-UWB）技术非常适用于非侵入式医疗应用。得益于其精细的距离分辨率，IR-UWB传感器能够检测人体内部的宏观与微观运动。IR-UWB雷达可以通过测量人体呼吸和心跳过程中肺部及心脏位移引起的信号幅度变化，来测量呼吸频率和心率这两项生命体征。本文综述了面向医疗健康的IR-UWB雷达传感器设计的最新进展，涵盖静止人体生命体征测量、非静止人体生命体征测量、车内人员生命体征测量、穿墙生命体征测量、新生儿健康监测、跌倒检测、睡眠监测以及医学成像。尽管本文涵盖了利用IR-UWB进行健康监测的诸多主题，但主要侧重于用于生命体征测量（即呼吸和心率监测）的信号处理技术。
Reference Key
cho2020sensorsan Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Faheem Khan,Asim Ghaffar,Naeem Khan,Sung Ho Cho;Faheem Khan;Asim Ghaffar;Naeem Khan;Sung Ho Cho;
Journal sensors
Year 2020
DOI
10.3390/s20092479
URL
https://sciprofiles.com/publication/view/34533e186afba3f2ecf3996d94c08645
Keywords
heart rate vital signs algorithm fall detection motion detection ir-uwb radar respiration rate sleep monitoring

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