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Open AccessArticle

Impact of a Small Cell on the RF-EMF Exposure in a Train

Department of Information Technology, Ghent University/iMinds, Gaston Crommenlaan 8 box 201, B-9050 Ghent, Belgium
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Academic Editor: Martin Röösli
Int. J. Environ. Res. Public Health 2015, 12(3), 2639-2652; https://doi.org/10.3390/ijerph120302639
Received: 23 December 2014 / Revised: 6 February 2015 / Accepted: 20 February 2015 / Published: 27 February 2015
(This article belongs to the Special Issue Electromagnetic Fields and Health)
The deployment of a miniature mobile-phone base station or small cell in a train car significantly improves the coverage and the capacity of a mobile network service on the train. However, the impact of the small cell on the passengers’ exposure to radio-frequency electromagnetic fields (RF-EMF) is unknown. In this study, we assessed experimentally the RF-EMF exposure of a mobile-phone user who is either connected to the outdoor macrocell network or to an in-train small cell, while traveling on the train, by means of the absorbed-dose concept, which combines the base station downlink exposure with the mobile-phone uplink exposure. For Global System for Mobile Communications (GSM) technology at 1800 MHz, we found that by connecting to a small cell, the brain exposure of the user could realistically be reduced by a factor 35 and the whole-body exposure by a factor 11. View Full-Text
Keywords: radio frequency electromagnetic fields; RF-EMF exposure assessment; base station; small cell; measurement; dose; train; emerging technology radio frequency electromagnetic fields; RF-EMF exposure assessment; base station; small cell; measurement; dose; train; emerging technology
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Aerts, S.; Plets, D.; Thielens, A.; Martens, L.; Joseph, W. Impact of a Small Cell on the RF-EMF Exposure in a Train. Int. J. Environ. Res. Public Health 2015, 12, 2639-2652.

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