Conception et validation de plateformes de communication autour du corps humain, à l'échelle de l'individu et du groupe

Abstract : The technological evolutions which have taken place for the last decades allowed the emergence of new application fields, such as the wireless monitoring of physiological parameters collected on the human body, with the development of Wireless Body Area Networks (WBANs, or BANs). Mostly dedicated to the medical domain and the improvement of the patients' comfort and safety, this kind of platforms more recently extended to other kinds of activities, such as sports and leisures. According to the applicative context, the hypotheses and constraints associated to these networks can vary drastically, yielding the necessity of developing adapted communication mechanisms. The works presented in this thesis have focused on the realization of data collection platforms for mobile sports applications. In a first part, we concentrate on the individual data collection, for which we give a proof of concept in the context of a Marathon race, before aiming at a better understanding of individual channel models and cooperative mechanisms for on-body data centralization. In a second part, we are interested in dense and mobile networks consisting in an important number of coexisting BANs. Our aim is to propose distributed algorithms based on consensus to allow dynamic group detection, with a variable scale. The validation of the approaches developed in this document is performed by practical implementations and experiments at each step of this work, thanks to an important amount of real world collected data. Through extended analyzes, we provide elements allowing to characterize the communication within mobile BANs, and particularly large scale networks. Although guided by the strong applicative context of live TV broadcast, these works and analysis methods don't lose in generality, and this challenging and original context opens a lot of perspectives.
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Matthieu Lauzier. Conception et validation de plateformes de communication autour du corps humain, à l'échelle de l'individu et du groupe. Réseaux et télécommunications [cs.NI]. INSA de Lyon, 2015. Français. ⟨NNT : 2015ISAL0027⟩. ⟨tel-01267159v2⟩

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