Comptes Rendus
Electromagnetic fields: from dosimetry to human health
Multi-sensors SAR system for real-time dosimetry assessment
Comptes Rendus. Physique, Volume 14 (2013) no. 5, pp. 425-437.

Un banc dʼessai à multi-capteurs pour la détermination du débit dʼabsorption spécifique (DAS) dans le cas dʼéquipements sans fil émettant dans des tissus analogues à ceux du corps humain est présenté. Une estimation en temps réel des taux dʼabsorption spécifique est proposé, considerant un banc dʼessai à multi-capteurs distribués spatialement. En comparaison dʼun système comportant un robot multi-axial pour la mesure des DAS, celui qui est proposée ici ne requiert aucun déplacement, reduisant ainsi de manière drastique le temps dʼacquisition, dès lors que des techniques parallèles dʼacquisition de données et dʼinterpolation sont employées afin dʼaccélérer les mesures.

A multi-sensor test-bench for determining the SAR (specific absorption rate) due to wireless devices emitting in equivalent human tissues is presented. Real-time SAR assessment is proposed considering a spatially distributed multiprobe test-bench. In comparison with a multi-axial robot SAR system, the proposed one does not require any displacement, thus reducing drastically acquisition time, once parallel data acquisition and interpolation techniques are employed for accelerating measurements.

Publié le :
DOI : 10.1016/j.crhy.2013.02.009
Mots clés : SAR measurement, E-field probes, Electromagnetic analysis, No-robot SAR test bench, Calibration, Real-time dosimetry

Christian Person 1 ; Gaëtan Guevel 1 ; Joe Wiart 2 ; Yann Toutain 3 ; Romain Butet 3 ; Sylvie Le Dall 3

1 Whist-Lab/Lab-STICC, Telecom Bretagne, CS 83818, 29238 Brest, France
2 Whist-Lab/Orange Labs, Orange Labs, 38-40, rue du Général-Leclerc, 92794 Issy-les-Moulineaux, France
3 Satimo Bretagne, Microwave Vision, ZI du Vernis, 225, rue Pierre-Rivoalon, 29200 Brest, France
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     title = {Multi-sensors {SAR} system for real-time dosimetry assessment},
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Christian Person; Gaëtan Guevel; Joe Wiart; Yann Toutain; Romain Butet; Sylvie Le Dall. Multi-sensors SAR system for real-time dosimetry assessment. Comptes Rendus. Physique, Volume 14 (2013) no. 5, pp. 425-437. doi : 10.1016/j.crhy.2013.02.009. https://comptes-rendus.academie-sciences.fr/physique/articles/10.1016/j.crhy.2013.02.009/

[1] ICNIRP Guidelines Guidelines for limiting exposure to time-varying electric, magnetic, and electromagnetic fields (up to 300 GHz), Health Phys. ( April 1998 )

[2] IEC Standard, Human exposure to radio frequency fields from hand-held and body-mounted wireless communication devices – Human models, instrumentation, and procedures. Part 2: Procedure to determine the specific absorption rate (SAR) in the head and body for 30 MHz to 6 GHz handheld and body-mounted devices used in close proximity to the body, IEC 62209-2, 2008.

[3] www.satimo.fr

[4] S. Boucher, C. Person, F. Le Pennec, R. Butet, G. Toutain, Y. Toutain, V. Vigneras, E. Hamon, Specific apparatus for post-production SAR evaluation through differential measurements, in: Bioelectromagnetics Symposium 2008 – BEMs2008, San Diego, California, USA, 7–12 June 2008.

[5] S. Boucher, et al., Fast post-production SAR evaluation system through a comparative E-fields extraction procedure, in: European Microwave Conference EuMC2008, Amsterdam, October 2008.

[6] http://sine.ni.com/nips/cds/view/p/lang/en/nid/201605

[7] Gaetan Guevel, Romain Butet, Sylvie Le Dall, Yann Toutain, Joe Wiart, Christian Person, in: Calibration Techniques for Multi-Sensor SAR Systems, 6th European Conference on Antennas and Propagation EuCAP 2012, Prague, 26–30 March 2012.

[8] http://whist.institut-telecom.fr/meroda

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