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Affichage de 6391 à 6400 sur 16179

Communication dans un congrès

Semi-digital FIR DAC for low power single carrier IEEE 802.11ad 60GHz transmitter

Fikre Tsigabu Gebreyohannes, Antoine Frappé, Andreas Kaiser

IEEE 802.11ad (WiGig) is an emerging multi-Gb/s wireless standard in the unlicensed 60GHz spectrum. This work presents system level validation of a Single Carrier (SC), QPSK modulated WiGig transmitter based on a semi-digital Finite Impulse Response (FIR) Digital-to-Analog Converter (DAC). The 1....

2015 IEEE 13th International New Circuits and Systems Conference (NEWCAS), Jun 2015, Grenoble, France. pp.1-4, ⟨10.1109/NEWCAS.2015.7182016⟩. ⟨hal-03377047⟩

Communication dans un congrès

Minimum spanning tree topology in real zigbee-arduino sensor network

M. Ouadou, O. Zytoune, Yassin El Hillali, Atika Rivenq, D. Aboutajdine

In this paper, we present a real indoor application for improved”Cluster Tree” network using Zigbee sensor nodes integrated with”Arduino” microcontrollers where the main goal is to study the efficiency of our improved clustering topology based on Minimum Spanning Tree (MST) construction under real...

7th International Conference on Ad Hoc Networks, AdHocHets 2015, Sep 2015, San Remo, Italy. pp.57-68, ⟨10.1007/978-3-319-25067-0_5⟩. ⟨hal-03528680⟩

Communication dans un congrès

Modeling of ZigBee (IEEE 802.15.4) channel in rail environment for Intelligent Transport

Ulrich Biaou, Laïd Sadoudi, Michael Bocquet, Atika Rivenq

To deploy Wireless Sensor Networks (WSNs) in the railway transport, knowledge of signal propagation in this environment is required for the safety and the reliability of whole system. This calls to two domains of research. Firstly, the study of the propagation characteristics is necessary to...

4th IEEE International Conference on Advanced Logistics and Transport, IEEE ICALT 2015, May 2015, Valenciennes, France. pp.293-298, ⟨10.1109/ICAdLT.2015.7136637⟩. ⟨hal-03528689⟩

Article dans une revue

Kinetic proofreading of chromatin remodeling: from gene activation to gene repression and back

Raghvendra Singh, Guillaume Brysbaert, Marc Lensink, Fabrizio Cleri, Ralf Blossey

ATP-dependent chromatin remodeling is the active displacement of nucleosomes along or off DNA induced by chromatin remodeling complexes. This key process of gene regulation in eukaryote organisms has recently been argued to be controlled by a kinetic proofreading mechanism. In this paper we present...

AIMS Biophysics, 2015, 2 (4), pp.398-411. ⟨10.3934/biophy.2015.4.398⟩. ⟨hal-03285276⟩

Communication dans un congrès

Near-field scanning microwave microscope for subsurface non-destructive characterization

Sijia Gu, Kamel Haddadi, Abdelhatif El Fellahi, Tuami Lasri

We report a nondestructive testing system based on near-field scanning microwave microscopy. The instrumentation is built up with a vector network analyzer, a fully automated tuning matching network and an evanescent microwave probe. The system can perform microwave images in the frequency band 0.1...

45th European Microwave Conference (EuMC), Sep 2015, Paris, France. pp.155-158, ⟨10.1109/EuMC.2015.7345723⟩. ⟨hal-03224667⟩

Article dans une revue

A Unified Explanation of gm /ID -Based Noise Analysis

Jack Ou, Pietro Maris Ferreira

We present an unified explanation of the transconductance-to-drain current (gm/ID)-based noise analysis in this paper. We show that both thermal noise coefficient (γ) and device noise corner frequency (fco) are dependent on the gm/ID of a transistor. We derive expressions to demonstrate the...

Journal of Circuits, Systems, and Computers, 2015, 24 (1), pp.1550010. ⟨10.1142/S0218126615500103⟩. ⟨hal-01222077⟩

Communication dans un congrès

0.69 THz room temperature heterodyne detection using GaN nanodiodes

Carlos Daher, Jeremie Torres, Ignacio Iñiguez-De-La-Torre, Philippe Nouvel, Luca Varani, Paul Sangaré, Guillaume Ducournau, Christophe Gaquière, Javier Mateos, And Tomás González

GaN-based asymmetric nanodiodes have been used as heterodyne detectors up to 0.69 THz in free-space configuration where Intermediate Frequency bandwidth has been measured up 13 GHz. Monte Carlo simulations, used to estimate nano-device intrinsic conversion losses of 27 dB have confirmed these...

19th International Conference on Electron Dynamics in Semiconductors, Optoelectronics and Nanostructures, 2015, Salamanca, Spain. ⟨10.1088/1742-6596/647/1/012006⟩. ⟨hal-01920765⟩

Communication dans un congrès

Time-Frequency Processing Adapted for the Different Electromagnetic Compatibility Issues in the Railway Domain

Mohammed Raouf Kousri, Virginie Deniau, Marc Heddebaut, S. Baranowski, Jean Rioult

The railway environment is very rich in terms of electromagnetic disturbances. The variety of the transient and permanent interferences and the current evolution of the communication and signaling railway systems require the adaptation of EMC railway standards. In particular, standardized emission..., L'environnement électromagnétique du chemin de fer est très riche en termes de perturbations électromagnétiques. La variété des signaux transitoires et des interférences permanentes et l'évolution actuelle des systèmes de communication et de signalisation ferroviaire nécessitent l'...

EMC 2015, Joint IEEE International Symposium on Electromagnetic Compatibility and EMC Europe, Aug 2015, Dresden, Germany. 6p, ⟨10.1109/ISEMC.2015.7256353⟩. ⟨hal-01471551⟩

Communication dans un congrès

Experimental Study of Multilayer Piezo-magnetic SAW Delay Line for Magnetic Sensor

Meriem Elhosni, Sébastien Petit-Watelot, Michel Hehn, Sami Hage-Ali, Keltouma Ait Aissa, Daniel Lacour, Abdelkrim Talbi, Omar Elmazria

<div><p>This communication describes an experimental study of multilayer piezo-magnetic acoustic wave devices used as sensors of external magnetic fields applied in plane, parallel or perpendicular to the direction of the acoustic wave propagation direction. The considered device...

Eurosensors 2015, Sep 2025, Freiburg (Allemagne), France. pp.870 - 873, ⟨10.1016/j.proeng.2015.08.743⟩. ⟨hal-05415947⟩

Article dans une revue

Drift velocity versus electric field in < 110 > Si nanowires: Strong confinement effects

Jing Li, Gabriel Mugny, Yann-Michel Niquet, Christophe Delerue

We have performed atomistic simulations of the phonon-limited high field carrier transport in < 110 > Si nanowires with small diameter. The carrier drift velocities are obtained from a direct solution of the non-linear Boltzmann transport equation. The relationship between the drift velocity...

Applied Physics Letters, 2015, 107 (6), pp.063103. ⟨10.1063/1.4928525⟩. ⟨hal-01615208⟩