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Energy Efficiency of IR-UWB Wireless Communication Architectures for Wireless Sensor Networks

Authors: BENAMROUCHE, Bilal;

Energy Efficiency of IR-UWB Wireless Communication Architectures for Wireless Sensor Networks

Abstract

National audience; 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.; Le sujet de thèse propose une nouvelle génération de réseaux de capteur sans fil base sur impulse radio ultra wide band (IR-UWB) reconfigurable suivant l'application souhaitée et à très basse consommation. La consommation énergétique d’un système de communication sans fil est la contrainte majeure pour le déploiement d’un réseau de capteurs sans fil autonome. Les travaux de recherche présente dans cette thèse ont menés au développement d’un émetteur-récepteur à très faible consommation d’énergie pour les réseaux de capteurs sans fil autonome pour des applications de structural Heath monitoring dans des domaines aéronautique. Une description est faite pour les différents types de technologie de communication sans fil pour la surveillance des structures (SHM). Nous avons détaillé la communication sans fil ultra large bande (UWB) en présentant la technique de communication sans fil UWB par impulsion avec les avantages qu’elle offre pour notre application. Une présentation est faite de l’architecture de l’émetteur-récepteur IR-UWB conçu en détaillant le design complet avec l’intégration de la solution proposée clock-gating pour un système à une grande efficacité énergétique avec une implémentation et validation d’un prototype sur une plateforme FPGA. Une description de la conception et la fabrication d’un système sur puce ASIC de notre design d’émetteur-récepteur IR-UWB avec la technologie CMOS 65nm de st microélectronique et les avantages qu’il offre que ça soit en terme d’efficacité énergétique ou de taille de système.

Country
France
Related Organizations
Keywords

Transmitter-receiver, Efficacité énergétique, Structural health monitoring, Energy efficiency, Émetteur-récepteur, Surveillance des structures, ASIC, Réseaux de capteurs sans fil, Wireless sensors networks, FPGA, [SPI.TRON]Engineering Sciences [physics]/Electronics

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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