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Nadège Varsier
Researcher at Institut Mines-Télécom
Publications - 45
Citations - 1119
Nadège Varsier is an academic researcher from Institut Mines-Télécom. The author has contributed to research in topics: Population & Energy consumption. The author has an hindex of 14, co-authored 44 publications receiving 940 citations. Previous affiliations of Nadège Varsier include Agence Nationale de la Recherche & National Institute of Information and Communications Technology.
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Journal ArticleDOI
A new surrogate modeling technique combining Kriging and polynomial chaos expansions - Application to uncertainty analysis in computational dosimetry
TL;DR: A novel approach to build such a surrogate model from a design of experiments using the selected polynomials as regression functions for the universal Kriging model, which seems to be an optimal solution between the two other classical approaches.
Journal ArticleDOI
Distribution of RF energy emitted by mobile phones in anatomical structures of the brain.
Elisabeth Cardis,Isabelle Deltour,Simon Mann,Monika Moissonnier,Masao Taki,Masao Taki,Nadège Varsier,Nadège Varsier,Kanako Wake,Joe Wiart +9 more
TL;DR: The spatial distribution of RF energy in the brain is characterized, using results of measurements made in two laboratories on 110 phones used in Europe or Japan, and the average relative SAR is highest in the temporal lobe and the cerebellum and decreases very rapidly with increasing depth.
Journal ArticleDOI
Mobile phone use, exposure to radiofrequency electromagnetic field, and brain tumour: a case-control study
Toru Takebayashi,Nadège Varsier,Nadège Varsier,Yuriko Kikuchi,Kanako Wake,Masao Taki,Soichi Watanabe,Suminori Akiba,Naohito Yamaguchi +8 more
TL;DR: A novel approach for estimating the specific absorption rate (SAR) inside the tumour, taking account of spatial relationships between tumour localisation and intracranial radiofrequency distribution is used, finding a non-significant increase in OR among glioma patients in the heavily exposed group may reflect recall bias.
Proceedings ArticleDOI
Capacity limits of LoRaWAN technology for smart metering applications
Nadège Varsier,Jean Schwoerer +1 more
TL;DR: Results for a critical case in the center of Paris show that the capacity of a network covering a dense urban area of 17 km2 with 19 gateways distant from 1 km could be enough for an average targeted QoS of 98 % as soon as there is no other traffic in the considered band.
Journal ArticleDOI
Estimation of RF energy absorbed in the brain from mobile phones in the Interphone Study
Elisabeth Cardis,Nadège Varsier,Joseph D. Bowman,Isabelle Deltour,Jordi Figuerola,Simon Mann,Monika Moissonnier,Masao Taki,Masao Taki,Paolo Vecchia,Rodrigo Villegas,Martine Vrijheid,Kanako Wake,Joe Wiart +13 more
TL;DR: An estimate of a radio frequency (RF) dose as the amount of mobile phone RF energy absorbed at the location of a brain tumour, for use in the Interphone Epidemiological Study is developed.