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This study presents the Doppler shift behaviour on a supersonic wireless channel. Firstly, the authors present the instrumented projectile and the flight parameters influencing the Doppler shift of the RF carrier. In a second part, they start by analysing experimental results from a non-dedicated measurement campaign. Doppler shift is extracted from the transmitted minimum shift keying digital data...
With the era of massive multi-core architecture targeting cloud computing for high end performances or advanced consumer electronics with tighter power consumption constraints, 3D integration technology will allow to design large scale multi-core. Thanks to advanced available 3D technology, it will be possible to maintain overall power consumption budget, increase chip to chip bandwidth, and preserve...
Is this paper, the Orthanc open-source software is introduced. Orthanc is a lightweight, yet powerful standalone DICOM store for healthcare and medical research. Multiple instances of Orthanc can easily be deployed in the hospital network or even in the same computer, which simplifies the interconnection between the DICOM modalities and the data management of medical images. Orthanc is unique with...
The Generalized Complex time distributions have been recently introduced as a way for reducing the auto-terms of any bilinear time-frequency representation that appear when dealing with non-linear time-frequency structures. This concept requires the definition of signal at complex times and this abstract operation is achieved by the analytical continuation principle. In the current version, this principle...
The age of the population in all societies around the world is increasing. Elderly people prefer to maintain their independence, their autonomy and live at home as long as possible. We propose as a solution to this issue a Home Companion Software baptized HoCoS. This solution aims to help the elderly with daily life by providing an ergonomic and familiar interface. The second purpose is to integrate...
New generation of telecommunication applications requires highly efficient processing units to tackle with the increasing signal processing algorithmic complexity. They also need to be flexible for handling a large range of radio access technology with specifications moving very fast. As devices including telecommunication features are, per nature, mobile, the high level of flexibility must be achieved...
In this paper, we exemplify the power reduction that can be achieved by using analogue rather than digital signal processing. This reduction is illustrated with an FSK demodulation. The power reduction is achieved using conventional off-the-shelf discrete electronics components rather than through an ASIC implementation. The power consumption is reduced by a factor of more than ten; more specifically,...
A MIMO 3GPP-LTE digital baseband chip based on a heterogeneous 3 ?? 5 array NoC using 3.2 GOPS/50 mW programmable VLIW cores is presented. It features less than 10 ??s run-time full physical layer reconfiguration and distributed power management leading to 477 mW power consumption on a 4 ?? 2 MIMO RX application.
High-performance embedded dataflow systems require intensive data manipulation involving synchronization, buffering, duplication and reordering. Our Microprogrammable Memory Controller (MMC) is designed to handle these tasks more efficiently than the data processing cores. Dataflow management for several computing cores is combined in a single MMC. This reduces the global complexity and memory of...
In this paper, the physical analysis of planetary hyperspectral images is addressed. To deal with high dimensional spaces (image cubes present 256 bands), two methods are proposed. The first method is the support vectors machines regression (SVM-R) which applies the structural risk minimization to perform a non-linear regression. Several kernels are investigated in this work. The second method is...
In this paper, we consider equity-linked life insurance contracts that give their holder the possibility to surrender their policy before maturity. Such contracts can be valued using simulation methods proposed for the pricing of American options, but the mortality risk must also be taken into account when pricing such contracts. Here, we use the least-squares Monte Carlo approach of Longstaff and...
The aim of this study was to assess the feasibility of electrospun poly(ε)-caprolactone (PCL) scaffolds treated with alternating paly-electrolytes as a controllable three-dimensional adhesive substrate for neuronal progenitors. Unmodified PCL surfaces were generally not supportive of mouse embryonic stem cell (mESC) colony adhesion. However, scaffolds surfaced using layer-by-layer (LbL) deposition...
With the event of nanoscale technologies, new physical phenomena and technological limitations are increasing the process variability and its impact on circuit yield and performances. Like combinatory cells, the sequential cells also suffer of variations, impacting their timing characteristics. Regarding the timing behaviors, setup and hold time violation probabilities are increasing. This article...
This article aims at highlighting new design issues coming from the increasing sensitivity of digital circuits towards process variability. CAD tools and current design methodologies are not anymore efficient to tackle such aspects. In particular variability is increasing the difficulty to identify setup and hold time violations. This paper is a study of failure probabilities considering device process...
This article consists of a collection of slides from the author's conference presentation on the market for wireless high definition audio visual systems (HD A/V) Some of the specific topics discussed include: the benefits of HD A/V systems; data rates; challenges and solutions for 60 Ghz operations; wireless video area network design; the features of SiBeam's uncompressedf 50 GHz wireless HD chipset;...
The novelty of this work lies in the fabrication of nanotips without any facet allowing the high yield of robust carbon nanotube (CNT) grafting for atomic force microscopy (AFM) experiments.
We present the first implementation of an atomic force microscope (AFM) probe using bulk- mode silicon resonators. This probe is developed in order to perform force or dissipation spectroscopy and to enable AFM imaging in liquids thanks to reduced dissipation effects. We show that balanced tip integration allows the probe to operate in a lateral mode derived from elliptical bulk modes of circular...
With the introduction of the high range version of the DPS7000 mainframe family. Bull is providing a processor which integrates the DPS7000 CPU and first level of cache on one VLSI chip containing 4.7M transistors and using a 0.5 m. 3M layers CMOS technology. This enhanced CPU has been designed to provide a high integration, high performance and low cost system. An architectural overview of the CPU...
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