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Wireless fidelity electromagnetic field exposure monitoring with wearable body sensor networks

J Lecoutere, Arno Thielens (UGent) , Sam Agneessens (UGent) , Hendrik Rogier (UGent) , Wout Joseph (UGent) and R Puers
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Abstract
With the breakthrough of the Internet of Things and the steady increase of wireless applications in the daily environment, the assessment of radio frequency electromagnetic field (RF-EMF) exposure is key in determining possible health effects of exposure to certain levels of RF-EMF. This paper presents the first experimental validation of a novel personal exposimeter system based on a distributed measurement approach to achieve higher measurement quality and lower measurement variability than the commonly used single point measurement approach of existing exposimeters. An important feature of the system is the integration of inertial sensors in order to determine activity and posture during exposure measurements. The system is designed to assess exposure to frequencies within the 389 to 464, 779 to 928 and 2400 to 2483.5 MHz bands using only two transceivers per node. In this study, the 2400 to 2483.5 MHz band is validated. Every node provides antenna diversity for the different bands in order to achieve higher sensitivity at these frequencies. Two AAA batteries power each standalone node and as such determine the node hardware size of this proof of concept (53 mm x 25 mm x 15 mm), making it smaller than any other commercially available exposimeter.
Keywords
dosimetry, Body sensor networks, electromagnetic fields, electromagnetic measurements, gait recognition, microelectromechanical systems, patch antennas, sensor fusion, telemetry, wireless sensor networks, PERSONAL EXPOSIMETERS, IBCN

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Chicago
Lecoutere, J, Arno Thielens, Sam Agneessens, Hendrik Rogier, Wout Joseph, and R Puers. 2016. “Wireless Fidelity Electromagnetic Field Exposure Monitoring with Wearable Body Sensor Networks.” Ieee Transactions on Biomedical Circuits and Systems 10 (3): 779–786.
APA
Lecoutere, J., Thielens, A., Agneessens, S., Rogier, H., Joseph, W., & Puers, R. (2016). Wireless fidelity electromagnetic field exposure monitoring with wearable body sensor networks. IEEE TRANSACTIONS ON BIOMEDICAL CIRCUITS AND SYSTEMS, 10(3), 779–786.
Vancouver
1.
Lecoutere J, Thielens A, Agneessens S, Rogier H, Joseph W, Puers R. Wireless fidelity electromagnetic field exposure monitoring with wearable body sensor networks. IEEE TRANSACTIONS ON BIOMEDICAL CIRCUITS AND SYSTEMS. 2016;10(3):779–86.
MLA
Lecoutere, J et al. “Wireless Fidelity Electromagnetic Field Exposure Monitoring with Wearable Body Sensor Networks.” IEEE TRANSACTIONS ON BIOMEDICAL CIRCUITS AND SYSTEMS 10.3 (2016): 779–786. Print.
@article{8164162,
  abstract     = {With the breakthrough of the Internet of Things and the steady increase of wireless applications in the daily environment, the assessment of radio frequency electromagnetic field (RF-EMF) exposure is key in determining possible health effects of exposure to certain levels of RF-EMF. This paper presents the first experimental validation of a novel personal exposimeter system based on a distributed measurement approach to achieve higher measurement quality and lower measurement variability than the commonly used single point measurement approach of existing exposimeters. An important feature of the system is the integration of inertial sensors in order to determine activity and posture during exposure measurements. The system is designed to assess exposure to frequencies within the 389 to 464, 779 to 928 and 2400 to 2483.5 MHz bands using only two transceivers per node. In this study, the 2400 to 2483.5 MHz band is validated. Every node provides antenna diversity for the different bands in order to achieve higher sensitivity at these frequencies. Two AAA batteries power each standalone node and as such determine the node hardware size of this proof of concept (53 mm x 25 mm x 15 mm), making it smaller than any other commercially available exposimeter.},
  author       = {Lecoutere, J and Thielens, Arno and Agneessens, Sam and Rogier, Hendrik and Joseph, Wout and Puers, R},
  issn         = {1932-4545},
  journal      = {IEEE TRANSACTIONS ON BIOMEDICAL CIRCUITS AND SYSTEMS},
  language     = {eng},
  number       = {3},
  pages        = {779--786},
  title        = {Wireless fidelity electromagnetic field exposure monitoring with wearable body sensor networks},
  url          = {http://dx.doi.org/10.1109/TBCAS.2015.2487264},
  volume       = {10},
  year         = {2016},
}

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