Etude et optimisation des systèmes à courant porteurs domestiques fac aux perturbations du réseau électrique

Abstract : With the emergence of broadband network technologies like ADSL or FTTH, most telecommunication service providers offer new high data rate services, such as broadband Internet, voice over IP and IP television. The use of indoor powerline systems allows the user to have access to each of these services via any socket in the house. However, the electrical network is not designed for the transmission of digital signals. Moreover, other electrical devices may generate some interference degrading the communication link. This Ph. D. analyses the powerline systems performance in the presence of these limitations and suggests several optimization solutions according to different complementary axes. Firstly, we study the detection and mitigation of impulsive noise, in order to improve the system performance in the presence of physical disruption. Secondly, we develop algorithms liable to reduce the analog to digital converter noise which can solve implementation limitations. Finally, the study explores a better power spectrum, management, in order to increase data rates while respecting regulation constraints.
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Submitted on : Monday, October 27, 2008 - 9:18:01 AM
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Gautier Avril. Etude et optimisation des systèmes à courant porteurs domestiques fac aux perturbations du réseau électrique. Sciences de l'ingénieur [physics]. INSA de Rennes, 2008. Français. ⟨tel-00334464⟩

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