MagWear: Vital Sign Monitoring Based on Biomagnetism Sensing

IF 7.7 2区 计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS IEEE Transactions on Mobile Computing Pub Date : 2024-08-30 DOI:10.1109/TMC.2024.3452499
Xiuzhen Guo;Long Tan;Chaojie Gu;Yuanchao Shu;Shibo He;Jiming Chen
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Abstract

This paper presents the design, implementation, and evaluation of MagWear, a novel biomagnetism-based system that can accurately and inclusively monitor the heart rate, respiration rate, and blood pressure of users. MagWear's contributions are twofold. First, we build a mathematical model that characterizes the magnetic coupling effect of blood flow under the influence of an external magnetic field. This model uncovers the variations in accuracy when monitoring vital signs among individuals. Second, leveraging insights derived from this mathematical model, we present a software-hardware co-design that effectively handles the impact of human diversity on the performance of vital sign monitoring, pushing this generic solution one big step closer to real adoptions. Following IRB protocols, our extensive experiments involving 30 volunteers demonstrate that MagWear achieves high monitoring accuracy with a mean percentage error (MPE) of 1.55% for heart rate (HR), 1.79% for respiration rate (RR), 3.35% for systolic blood pressure (SBP), and 3.89% for diastolic blood pressure (DBP). MagWear can also be extended to detect anemia and blood oxygen saturation, which is also our ongoing work.
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MagWear:基于生物磁感应的生命体征监测系统
本文介绍了 MagWear 的设计、实施和评估。MagWear 是一种基于生物磁性的新型系统,能够准确、全面地监测用户的心率、呼吸频率和血压。MagWear 有两方面的贡献。首先,我们建立了一个数学模型,描述了在外部磁场影响下血流的磁耦合效应。该模型揭示了不同个体在监测生命体征时的准确性差异。其次,利用从该数学模型中获得的洞察力,我们提出了一种软硬件协同设计方案,可有效处理人体多样性对生命体征监测性能的影响,从而将这一通用解决方案向实际应用推进了一大步。根据 IRB 协议,我们对 30 名志愿者进行了广泛的实验,结果表明 MagWear 实现了很高的监测准确性,心率(HR)的平均百分比误差(MPE)为 1.55%,呼吸率(RR)为 1.79%,收缩压(SBP)为 3.35%,舒张压(DBP)为 3.89%。MagWear 还可以扩展到检测贫血和血氧饱和度,这也是我们正在进行的工作。
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来源期刊
IEEE Transactions on Mobile Computing
IEEE Transactions on Mobile Computing 工程技术-电信学
CiteScore
12.90
自引率
2.50%
发文量
403
审稿时长
6.6 months
期刊介绍: IEEE Transactions on Mobile Computing addresses key technical issues related to various aspects of mobile computing. This includes (a) architectures, (b) support services, (c) algorithm/protocol design and analysis, (d) mobile environments, (e) mobile communication systems, (f) applications, and (g) emerging technologies. Topics of interest span a wide range, covering aspects like mobile networks and hosts, mobility management, multimedia, operating system support, power management, online and mobile environments, security, scalability, reliability, and emerging technologies such as wearable computers, body area networks, and wireless sensor networks. The journal serves as a comprehensive platform for advancements in mobile computing research.
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