Journal of Sensor Science and Technology (센서학회지)

The Korean Sensors Society (한국센서학회)
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Non-Intrusive Healthcare System for Estimation of Vascular Condition in IP-Enabled Wireless Network

IP 기반 무선네트워크에서의 혈관상태 평가를 위한 무구속 헬스케어 시스템

  • Jung, Sang-Joong (Department of Electronic Engineering, Pukyong National Unversity) ;
  • Kwon, Tae-Ha (Department of Electronic Engineering, Pukyong National Unversity) ;
  • Chung, Wan-Young (Department of Electronic Engineering, Pukyong National Unversity)
  • Received : 2012.11.29
  • Accepted : 2013.01.15
  • Published : 2013.01.31
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Abstract

A real-time wireless monitoring and analysis methods using the wearable PPG sensor to estimate cardiovascular condition is studied for ubiquitous healthcare service. A small size and low-power consuming wearable photoplethysmogram (PPG) sensor is designed as a wrist type device and connected with the IP node assigned its own IPv6 address. The measured PPG waveform in the IP node is collected and transferred to a central server PC through the IP-enabled wireless network for storage and analysis purposes. A monitoring and analysis program is designed to process the accelerated plethysmogram (APG) waveform by applying the second order derivatives to analyze systolic waves as well as heart rate variability analysis from the measured PPG waveform. From our results, the features of cardiovascular condition from individual's PPG waveform and estimation of vascular compliance by the comparison of APG-aging index (AI) and ratio of LF/HF are demonstrated.

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References

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