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Improving radiation oncology using a low-cost wireless accelerometer

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3 Author(s)
Farahmand, F. ; Dept. of Eng. Sci., Sonoma State Univ., Rohnert Park, CA, USA ; Khadivi, K.O. ; Rodrigues, J.J.P.C.

Born on military applications, wireless sensor networks span over to different application fields, namely on e-health and medical applications. In this paper we discuss a high-precision, non-intrusive, wireless, accelerometer-based patient movement monitoring system (APMMS) in determining positional change in patients undergoing radiation treatment. Using this system a small wireless accelerometer sensor is placed on patient's skin, broadcasting its precise position to the receiving station connected to a PC in the control area. A threshold-based algorithm is developed to identify the exact amount of patient's movement and its direction. Our results indicate that, in spite of its low-cost and simplicity, APMMS is highly sensitive and offers accurate measurements.

Published in:

Local Computer Networks, 2009. LCN 2009. IEEE 34th Conference on

Date of Conference:

20-23 Oct. 2009