Publications de Pierre-André Farine

Publications associées (121)

An efficient initialization mechanism of neurons for Winner Takes All Neural Network implemented in the CMOS technology

Pierre-André Farine, Rafal Tomasz Dlugosz

The paper presents a new initialization mechanism based on a Convex Combination Method (CCM) for Kohonen self-organizing Neural Networks (NNs) realized in the CMOS technology. A proper selection of initial values of the neuron weights exhibits a strong imp ...

Elsevier Science Inc2015

Batch processing for efficient base-band operations in real-time GNSS software receivers

Pierre-André Farine, Cyril Botteron

Personal Digital Assistants (PDAs) or mobile phones applications are not anymore restricted to multimedia or wireless communications, but have been extended to handle Global Navigation Satellite System (GNSS) functionalities. The new generation of portable ...

Inst Navigation, 815 15Th Th St Nw, Ste 832, Washington, Dc 20005 Usa2010

Building Blocks for a 24 GHz Phased-Array Front-End in CMOS Technology for Smart Streetlights

Pierre-André Farine, Cyril Botteron, Gabriele Tasselli, Ban Wang

According to a recent European Union report, lighting represents a significant share of electricity costs and the goal of reducing lighting power consumption by 20% demands the coupling of light-emitting diode (LED) lights with smart sensors and communicat ...

2014

Estimation Bounds for GNSS Synthetic Aperture Techniques

Pierre-André Farine, Cyril Botteron, Miguel Angel Ribot Sanfelix, Joaquin Cabeza de Pablo

This paper characterizes the estimation performance of synthetic aperture (SA) techniques in the context of moving GNSS receivers. Under the assumption of a stationary channel, SA techniques transform a single antenna into a virtual array. We first introdu ...

2017

CPT Cesium-Cell Atomic Clock Operation With a 12-mW Frequency Synthesizer ASIC

Pierre-André Farine, Steve Tanner, Yazhou Zhao

In this paper, we present the design, fabrication, and electrical characterization of a low-power microwave source for interrogation of cesium atomic hyperfine transition frequency using the coherent population trapping (CPT) technique. The 4.6-GHz frequen ...

Institute of Electrical and Electronics Engineers2015

Implementation and Robustness Analysis of the Two-Step CBOC Tracking Algorithm in the scope of the GAMMA-A Project

Pierre-André Farine, Cyril Botteron, Aleksandar Jovanovic, Youssef Tawk

Numerous mobile applications and services require that devices are aware of their location. Global Navigation Satellite Systems (GNSS) are the predominant enabling technology. But in order to deliver continuous and accurate location information provided by ...

2010

GNSS-based Orbital Filter for Earth Moon Transfer Orbits

Pierre-André Farine, Cyril Botteron, Vincenzo Capuano

Numerous applications, not only Earth-based, but also space-based, have strengthened the interest of the international scientific community in using Global Navigation Satellite Systems (GNSSs) as navigation systems for space missions that require good accu ...

Cambridge University Press2016

Derivation of the Cramér-Rao Bound in the GNSS-Reflectometry Context for Static, Ground-Based Receivers in Scenarios with Coherent Reflection

Pierre-André Farine, Cyril Botteron, Miguel Angel Ribot Sanfelix

The use of the reflected Global Navigation Satellite Systems’ (GNSS) signals in Earth observation applications, referred to as GNSS reflectometry (GNSS-R), has been already studied for more than two decades. However, the estimation precision that can be ac ...

Mdpi Ag2016

Performances of a New Correlation Algorithm for a Platform-independent GPS Software Receiver

Pierre-André Farine, Cyril Botteron

Personal Digital Assistants (PDA’s) or mobile phones applications are not anymore restricted to wireless communications or multimedia, but have been extended to handle Global Navigation Satellite System (GNSS) functionalities. Consequently, the growing mar ...

Inst Navigation, 815 15Th Th St Nw, Ste 832, Washington, Dc 20005 Usa2009

Avalanche Microwave Noise Sources in Commercial 90-nm CMOS Technology

Christian Enz, Pierre-André Farine, Cyril Botteron, Gabriele Tasselli

This paper presents a microwave noise source implemented in a commercial CMOS technology. The circuit is based on the avalanche noise generated by both the source-to-bulk and the drain-to-bulk junctions in reverse breakdown. Two sources of different juncti ...

Institute of Electrical and Electronics Engineers2016

Dynamic Visual Attention on the Sphere

Pierre-André Farine, Iva Bogdanova Vandergheynst

In this paper we present a computational model of dynamic visual attention on the sphere which combines static (intensity,chromaticity, orientation) and motion features in order to detect salient locations in omnidirectional image sequences while working d ...

Elsevier2010

An Efficient Time-frequency Algorithm for the Weak Signal Acquisition of Modernized GNSS Signals

Pierre-André Farine, Cyril Botteron, Jérôme Leclère, Vincenzo Capuano, Jia Tian, Yanguang Wang

The new GPS/Galileo/Compass signals use much longer code lengths and higher code frequencies than the GPS L1 C/A signal. As a result, they can provide improved ranging and anti-jamming performances. Unfortunately, their acquisition complexity is significan ...

2014

Analysis of Galileo E5 and E5ab code tracking

Pierre-André Farine, Cyril Botteron, Aleksandar Jovanovic, Youssef Tawk

The world of global navigation satellite systems has been enhanced with several new or improved signals in space aiming to optimize accuracy, reliability, navigation solution, and interoperability between different constellations. However, such development ...

Springer-Verlag2011

A wrist sensor and algorithm to determine instantaneous walking cadence and speed in daily life walking

Kamiar Aminian, Pierre-André Farine, Benedikt Fasel, Cyntia Duc, Farzin Dadashi, Martin Savary, Flavien Bardyn

In daily life, a person’s gait—an important marker for his/her health status—is usually assessed using inertial sensors fixed to lower limbs or trunk. Such sensor locations are not well suited for continuous and long duration measurements. A better locatio ...

Springer Heidelberg2017

Carrier Tracking using Extended Kalman Filters for GNSS Synthetic Aperture Processing with a Rotating Antenna

Pierre-André Farine, Cyril Botteron, Miguel Angel Ribot Sanfelix, Joaquin Cabeza de Pablo

A single GNSS antenna moving along a known trajectory can be used to synthesize a virtual array in order to apply spatial diversity techniques, e.g. beamforming. With these techniques, referred as synthetic aperture (SA) techniques, the receiver can mitiga ...

2017

Study on the cross-correlation of GNSS signals and typical approximations

Pierre-André Farine, Cyril Botteron, Jérôme Leclère

In global navigation satellite system (GNSS) receivers, the first signal processing stage is the acquisition, which consists in detecting the received GNSS signals and determining the associated code delay and Doppler frequency by means of correlations wit ...

Springer Verlag2017

Low Power ASIC transmitter for UWB-IR radio communication and positioning

Pierre-André Farine, Cyril Botteron, Phillip Tomé, Christian Robert

This paper describes a low power Ultra-Wideband Impulse Radio (UWB-IR) Application Specific Integrated Circuit (ASIC) transmitter implemented in UMC 0.18 μm. This transmitter has been designed for low data rate communication applications and indoor positio ...

2010

A highly sensitive a-Si photodetector array with integrated filter for optical detection in MEMS

Pierre-André Farine, Steve Tanner, Mohssen Moridi

This paper presents a highly sensitive photo-detector array deposited on a glass substrate with an integrated optical filter. The active element is a vertically integrated hydrogenated amorphous silicon photodiode featuring a dark current of less than 1e-1 ...

Procedia Chemistry2009

Design and Optimization of a Low Power and Fast Response Viscometer Used for Determination of the Natural Gas Wobbe Index

Danick Briand, Pierre-André Farine, Conor Joseph Slater, Gaël André Léon Farine, Marjan Shaker

This paper reports on the design of a microsystem-based thermal gas viscometer used for the determination of the quality of natural gas and its optimization through modification of its two main components: the hotplate and the capillary tube. Features, suc ...

2019

Classification of stance and swing gait states during treadmill walking from non-invasive scalp electroencephalographic (EEG) signals

Pierre-André Farine, Sara Grassi Pauletti

In Contreras-Vidal and colleagues have shown the feasibility of inferring the linear and angular kinematics of treadmill walking from scalp EEG. Here, we apply a discrete approach to the same problem of decoding the human gait. By reducing the gait process ...

Springer2013