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Sensors 2011, 11(7), 6760-6770; doi:10.3390/s110706760
Article

Collaborative Processing of Wearable and Ambient Sensor System for Blood Pressure Monitoring

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Received: 7 April 2011; in revised form: 16 June 2011 / Accepted: 24 June 2011 / Published: 28 June 2011
(This article belongs to the Special Issue Collaborative Sensors)
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Abstract: This paper describes wireless wearable and ambient sensors that cooperate to monitor a person’s vital signs such as heart rate and blood pressure during daily activities. Each wearable sensor is attached on different parts of the body. The wearable sensors require a high sampling rate and time synchronization to provide a precise analysis of the received signals. The trigger signal for synchronization is provided by the ambient sensors, which detect the user’s presence. The Bluetooth and IEEE 802.15.4 wireless technologies are used for real-time sensing and time synchronization. Thus, this wearable health-monitoring sensor response is closely related to the context in which it is being used. Experimental results indicate that the system simultaneously provides information about the user’s location and vital signs, and the synchronized wearable sensors successfully measures vital signs with a 1 ms resolution.
Keywords: blood pressure sensor; wearable sensor; ambient sensor; synchronization blood pressure sensor; wearable sensor; ambient sensor; synchronization
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Nakamura, M.; Nakamura, J.; Lopez, G.; Shuzo, M.; Yamada, I. Collaborative Processing of Wearable and Ambient Sensor System for Blood Pressure Monitoring. Sensors 2011, 11, 6760-6770.

AMA Style

Nakamura M, Nakamura J, Lopez G, Shuzo M, Yamada I. Collaborative Processing of Wearable and Ambient Sensor System for Blood Pressure Monitoring. Sensors. 2011; 11(7):6760-6770.

Chicago/Turabian Style

Nakamura, Masayuki; Nakamura, Jiro; Lopez, Guillaume; Shuzo, Masaki; Yamada, Ichiro. 2011. "Collaborative Processing of Wearable and Ambient Sensor System for Blood Pressure Monitoring." Sensors 11, no. 7: 6760-6770.



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