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Evaluation of optical technologies for home networking at very high-speed

Abstract : Over the last ten years, the number of laptop computers, personal digital assistants (PDAs) and other mobile terminals has massively increased. This evolution has led to a huge demand of wireless communications, in the purpose of avoiding wires and connectors to supply mobility in various places such as offices, homes, rail stations or airports. To date, this mobility is mainly offered by radiofrequency (RF) communications using Wi-Fi channels, with a maximum bitrate of 300 Mbps. However, new indoor applications such as non-compressed high-definition (HD) video transfer or remote hard-disk backup require much higher bandwidths (> 2Gbps). Such a bitrate can be transmitted using an optical wireless communications OWC system. In this thesis, a new architecture of OWC has been proposed and studied according to the GROWTH criteria (GReen Optical Wireless InTo Home network). This architecture is based on distributed free-space optical pico-cells in each room of the home interconnected by optical fibers and offering bitrates that exceed 1 Gbps. The work is divided into four parts: dimensioning of the systems and the selection of associated opto-electronics technologies, simulation of the hybrid optical channel (fiber optics + free-space) using the VPI Transmission Maker and Matlab softwares, choice of the wavelength and finally the experimental measurements to validate the performance of the system.
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Submitted on : Monday, December 16, 2013 - 10:03:58 AM
Last modification on : Wednesday, April 21, 2021 - 10:06:02 PM
Long-term archiving on: : Tuesday, March 18, 2014 - 3:30:16 PM


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Hani Al Hajjar. Evaluation of optical technologies for home networking at very high-speed. Optics / Photonic. Télécom Bretagne, Université de Bretagne-Sud, 2013. English. ⟨NNT : ⟩. ⟨tel-00918921⟩



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