设计和评价志愿者用户试验的不显眼的生命体征监测使用Wi-Fi CSI传感监测护理中的老年人
Aaesha Alzaabi1, Imran Saied2, Tughrul Arslan1,2
1Institute for Integrated Micro and Nano SystemsThe University of Edinburgh, Scotland Edinburgh EH9 3FF U.K.
IEEE journal of translational engineering in health and medicine
|November 12, 2025
概括
这项研究测试了老年人对生命体征的Wi-Fi传感. 呼吸率是有希望的,但心率的准确性在家庭环境中有所不同,需要进一步研究.
科学领域:
- 生物医学工程 生物医学工程
- 医疗信息学 医疗信息学
- 信号处理 信号处理
背景情况:
- 对生命体征的监测对于医疗保健至关重要,尤其是对老年人来说.
- 隐蔽的传感技术提供了持续的家庭健康评估的潜力.
- 现有的方法可能是侵入性的或需要专门的设备.
研究的目的:
- 设计和评估一个不引人注目的Wi-Fi通道状态信息 (CSI) 生命信号传感系统.
- 评估系统在不同家庭环境中对老年人 (60岁以上) 的性能.
- 为了验证系统的准确性与可穿戴的基准设备相比.
主要方法:
- 在试验设计中,以用户为中心的传感器放置和知情同意是优先考虑的.
- 波段过技术被用来从Wi-Fi CSI信号中提取生命体征.
- 主要组件样本 (PC-SampEn) 选择了相关的CSI子载体用于信号提取.
主要成果:
- 该系统测量了心肺呼吸系统的生命体征,与呼吸带和光斑血图 (PPG) 进行验证.
- 正如预期的那样,在不受控制的家庭环境中,准确性和测量一致性下降.
- 呼吸速率测量显示出有希望的准确性,而心率测量显示出高变化.
结论:
- 使用Wi-Fi CSI的呼吸速率传感显示了对老年人不引人注目的监测的潜力.
- 心率提取在不受控制的环境中存在技术挑战,需要进一步调查.
- 这项研究为老年护理的不引人注目的家庭生命体征感应技术提供了基础.
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