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Content Provider | IEEE Xplore Digital Library |
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Author | Huyghe, B. Vanfleteren, J. Doutreloigne, J. |
Copyright Year | 2009 |
Description | Author affiliation: Centre for Microsystems Technology, ELIS Department, Ghent University and IMEC, Belgium (Vanfleteren, J.; Doutreloigne, J.) || Centre for Microsystems Technology, ELIS Department, Ghent University, Belgium (Huyghe, B.) |
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. |
Starting Page | 1963 |
Ending Page | 1966 |
File Size | 1782530 |
Page Count | 4 |
File Format | |
ISBN | 9781424445486 |
ISSN | 19300395 |
DOI | 10.1109/ICSENS.2009.5398330 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2009-10-25 |
Publisher Place | New Zealand |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Wireless sensor networks Humans Epilepsy Magnetic sensors Microcontrollers Radio frequency Transceivers Accelerometers Magnetometers Assembly |
Content Type | Text |
Resource Type | Article |
Subject | Electrical and Electronic Engineering |
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