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Wireless sensor node for respiratory sounds monitoring

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2 Author(s)
Oletic, D. ; Fac. of Electr. Eng. & Comput., Univ. of Zagreb, Zagreb, Croatia ; Bilas, V.

Development of wearable sensor node for continuous monitoring of respiratory sounds presents several research challenges. In this article we analysed power consumption of such node in scenarios of on-node signal processing, and compressive sampling with low frequency data streaming. Onset of requirements defined by each scenario, we reviewed state of the art of recent commercial off-the-shelf (COTS) components for implementation of the sensor node. Power consumption on component scale was modelled by their spreadsheet data, and on scale of sensor node by behavioural diagrams. As a result, we estimated total sensor node power consumption and compared consumption shares of each subsystem. Total power consumption was estimated to 1.2-1.4 mW for continuously operating node.

Published in:

Instrumentation and Measurement Technology Conference (I2MTC), 2012 IEEE International

Date of Conference:

13-16 May 2012