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Design of flexible, low-power and wireless sensor nodes for human posture tracking aiding epileptic seizure detection

Benoît Huyghe (UGent) , Jan Vanfleteren (UGent) and Jan Doutreloigne (UGent)
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Abstract
We present the design of sensor nodes for human posture tracking purposes. Each sensor node is equipped with a microcontroller, an RF transceiver chip and two sensors: a 3D accelerometer and a 3D magnetometer. Based on the signals of these sensors, the orientation of a sensor node can be estimated. Combining several of these nodes into a sensor network, allows for complete human posture tracking, as the human body can be approximated as a rigid body consisting of 15 links. The sensor nodes are designed on a single conductive layer and are assembled on a thin, flexible poly-imide substrate. The microcontroller code has been optimized for low power consumption, while keeping in mind the desired performance. Data is read from the sensors and transmitted wirelessly to a receiver at a rate of 100 samples per second, while only consuming an average current of less than 3 mA. The wireless communication protocol is based upon TDMA and allows for simultaneous use of 10 nodes per receiver.
Keywords
Low-Power, Wireless, Sensor Network, Sensors, Flexible, MOTION

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Citation

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Chicago
Huyghe, Benoît, Jan Vanfleteren, and Jan Doutreloigne. 2009. “Design of Flexible, Low-power and Wireless Sensor Nodes for Human Posture Tracking Aiding Epileptic Seizure Detection.” In 2009 IEEE SENSORS, VOLS 1-3, 1963–1966. New York, NY, USA: IEEE.
APA
Huyghe, B., Vanfleteren, J., & Doutreloigne, J. (2009). Design of flexible, low-power and wireless sensor nodes for human posture tracking aiding epileptic seizure detection. 2009 IEEE SENSORS, VOLS 1-3 (pp. 1963–1966). Presented at the 8th Annual IEEE conference on Sensors (IEEE Sensors 2009), New York, NY, USA: IEEE.
Vancouver
1.
Huyghe B, Vanfleteren J, Doutreloigne J. Design of flexible, low-power and wireless sensor nodes for human posture tracking aiding epileptic seizure detection. 2009 IEEE SENSORS, VOLS 1-3. New York, NY, USA: IEEE; 2009. p. 1963–6.
MLA
Huyghe, Benoît, Jan Vanfleteren, and Jan Doutreloigne. “Design of Flexible, Low-power and Wireless Sensor Nodes for Human Posture Tracking Aiding Epileptic Seizure Detection.” 2009 IEEE SENSORS, VOLS 1-3. New York, NY, USA: IEEE, 2009. 1963–1966. Print.
@inproceedings{820009,
  abstract     = {We present the design of sensor nodes for human posture tracking purposes. Each sensor node is equipped with a microcontroller, an RF transceiver chip and two sensors: a 3D accelerometer and a 3D magnetometer. Based on the signals of these sensors, the orientation of a sensor node can be estimated. Combining several of these nodes into a sensor network, allows for complete human posture tracking, as the human body can be approximated as a rigid body consisting of 15 links.
The sensor nodes are designed on a single conductive layer and are assembled on a thin, flexible poly-imide substrate. The microcontroller code has been optimized for low power consumption, while keeping in mind the desired performance. Data is read from the sensors and transmitted wirelessly to a receiver at a rate of 100 samples per second, while only consuming an average current of less than 3 mA. The wireless communication protocol is based upon TDMA and allows for simultaneous use of 10 nodes per receiver.},
  author       = {Huyghe, Beno{\^i}t and Vanfleteren, Jan and Doutreloigne, Jan},
  booktitle    = {2009 IEEE SENSORS, VOLS 1-3},
  isbn         = {9781424445486},
  language     = {eng},
  location     = {Christchurch, New Zealand},
  pages        = {1963--1966},
  publisher    = {IEEE},
  title        = {Design of flexible, low-power and wireless sensor nodes for human posture tracking aiding epileptic seizure detection},
  year         = {2009},
}

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