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Efficacité énergétique des architectures de communication sans fil IR-UWB pour les réseaux de capteurs sans fil

Bilal Benamrouche 1
1 LAAS-MINC - Équipe MIcro et Nanosystèmes pour les Communications sans fil
LAAS - Laboratoire d'analyse et d'architecture des systèmes
Abstract : This Ph.D. Subject proposes the design of a new generation of wireless sensor networks (WSN) based on impulse radio ultra-wide band (IR-UWB), reconfigurable upon the application, reliable and ultra-low power. Applications like structure health monitoring of aerospace structures or portable smart sensing systems for human protection can be targeted. These industrial applications impose very demanding specifications for the wireless communication protocol (in some cases, new services are needed like: localization, clock synchronization, real-time transmission, etc) on one side, and for the circuit design, on the other side, as the ultra-low power circuits are needed. Energy efficiency is the major driver in today development of the wireless sensor networks. We chose impulse radio ultra-wideband (IR-UWB) technique for our developments. IR-UWB is a very promising technique able to respond to the wireless communication protocol constraints and to energy efficiency constraints.! The objective of this Ph.D. will be to design an ultra-low power IR-UWB transceiver. IR-UWB signal processing techniques has to be study and innovator solution has to be proposed for the implementation of the IR-UWB transceiver. The first prototype will be developed on FPGA boards (and/or USRP boards) and the final IR-UWB transceiver will be an ASIC in CMOS technology. The design of an ultra-low power consumption of the CMOS transceiver will be a major concern. Modern ultra-low power circuit techniques from the nanometrics CMOS design kits will be used. MAC layer adapted to the demands of the application and working on IR-UWB physical layer will be also studied and designed. A microprocessor integration on the chip for power management of the different parts (sensor, communication, computing, energy harvesting) of the system can also be studied. This work will be based on the previous research results obtained in our team in the case of static WSN. This work will take plac! e in the highly stimulating and competitive environment of a E! uropean project.
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Bilal Benamrouche. Efficacité énergétique des architectures de communication sans fil IR-UWB pour les réseaux de capteurs sans fil. Electronique. INSA de Toulouse, 2018. Français. ⟨NNT : 2018ISAT0023⟩. ⟨tel-01963484v2⟩

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