Title: Assessing radio frequency electromagnetic field exposure with a wearable network of dosimeters
Authors: Lecoutere, Jeroen
De Clercq, Hans
Thielens, Arno
Agneessens, Sam
Rogier, Hendrik
Joseph, Wout
Puers, Bob
Issue Date: 19-May-2014
Host Document: Proceedings of the 20th symposium of the International Society on Biotelemetry pages:41-43
Conference: Symposium of the International Society on Biotelemetry edition:20 location:Kyoto date:19-22 May 2014
Abstract: In contrast to the tremendous increase of wireless applications, the knowledge about daily life radio frequency electromagnetic field (RF-EMF) exposure remains low. Some research has already been conducted using large commercial single-antenna on-body dosimeters to assess daily RF-EMF exposure in different environments. To increase measurement quality and decrease variability however, a distributed, wearable body sensor network spread over the body for the assessment of RF-EMF exposure is desired. As a better alternative to the common single node assessment technique, this work therefore presents a wearable sensor network consisting of five nodes for the assessment of exposure in the 389 to 464, 779 to 950 and 2400 to 2483.5MHz bands using only two transceivers per node. A single node supports an antenna connection for the first band, two for the second and two for the third band. This makes antenna diversity possible and hence increases sensitivity for specific frequencies, depending on the choice of antenna design. Every node is powered by two AAA batteries, which define the size of the system (53x25x15mm), making it smaller than any other commercially available dosimeter. Furthermore, the device supports an inertial sensor for the assessment of body posture and/or activity during the measurement.
Publication status: published
KU Leuven publication type: IC
Appears in Collections:ESAT - MICAS, Microelectronics and Sensors

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