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http://dx.doi.org/10.17661/jkiiect.2017.10.2.161

A Study on the Implementation of Transmission type PPG Measurement Device in a Wrist Watch  

Kim, Namsub (Department of Computer Application & Electronics, Seoil University)
Publication Information
The Journal of Korea Institute of Information, Electronics, and Communication Technology / v.10, no.2, 2017 , pp. 161-167 More about this Journal
Abstract
This paper presents an effective PPG measurement device in a wrist watch for smart healthcare. PPG can be acquired by measuring absorption of light and PPG measurement device is classified as transmission and reflection type. Reflection type is easy to implement but vulnerable to motion artifact. Moreover, reflection type must use 2 hands at once if the device is implemeted in a wrist watch. This paper describes the implementation of robust transmission type PPG measurement device by using previous developed reflection type device. PPG sensor is clip type and can be separated from the device so that the influence of motion artifact can be reduced. The proposed device can transmit the measured signal in real-time and is useful for smart healthcare. For evaluation of the proposed device, PPG signals are compared with reflection type in the same condition. The results show that the proposed device has 20% improvement in performance.
Keywords
Blood Absorption; Healthcare; Heart Rate; Motion artifact; PPG;
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