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Pierre-André Farine

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Related publications (123)

Modified parallel code-phase search for acquisition in presence of sign transition

Pierre-André Farine, Cyril Botteron, Jérôme Leclère

One of the method to have a fast acquisition of GNSS signals is the parallel code-phase search, which uses the fast Fourier transform (FFT) to perform the correlation. A problem with this method is the potential sign transition that can happen between two ...

2013

Instrumented Knee Prosthesis for Force and Kinematics Measurements

Steve Tanner, Kamiar Aminian, Philippe Renaud, Catherine Dehollain, Arnaud Bertsch, Peter Ryser, Eric Meurville, Pierre-André Farine, Oguz Atasoy, Brigitte Jolles-Haeberli, Arash Arami, Willyan Hasenkamp Carreira, Shafqat Ali, Matteo Simoncini

In this work, we present the general concept of an instrumented smart knee prosthesis for in-vivo measurement of forces and kinematics. This system can be used for early monitoring of the patient after implantation and prevent possible damage to the prosth ...

Ieee-Inst Electrical Electronics Engineers Inc2013

System design of a 24 GHz phased-array front-end for low-power applications

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

This paper deals with the design of a 4-channel phased-array receiver Front-End (FE) architecture working at 24 GHz. Targeting low power applications such as radar sensors and medium bit-rate transceivers, a local oscillator shifting architecture is propos ...

2012

RoSe: A sub-GHz wireless sensor platform with housing integrated overmolded antenna

Anja Skrivervik, Jean-François Zürcher, Pierre-André Farine, Francesco Merli, Mitko Tanevski, Alexis Boegli

A wireless sensor platform for use in ultralow-power wireless sensor networks (WSNs) is presented. The proposed round sensor (RoSe) node is physically robust, is resistant to humidity, and has a housing that can be in direct contact with food. These charac ...

Institute of Electrical and Electronics Engineers2012

Layout and Architecture Issues in Hall based CMOS microsystems

Pavel Kejik, Pierre-André Farine

The Hall cells intended for industrial applications are mainly produced in silicon integrated circuit technology. Recently, the increased use of other technologies, such as GaAs, InAs and InSb, have been reported. However, a single chip solution comprising ...

Czech Technical University in Prague, Faculty of Electrical Engineering2012

A low power, low chip area decimation filter for Σ - Δ modulator for flywheel MEMS gyro realized in the CMOS 180 nm technology

Steve Tanner, Pierre-André Farine, Rafal Tomasz Dlugosz, Patrick Stadelmann

The paper presents a low power and low chip area decimation filter for a 15-bits Σ-Δ analog-to-digital converter (ADC) designed for a flywheel MEMS gyroscope. In contrary to typical solutions, in which decimation is performed after each filtering stage, in ...

IEEE2012

Convex combination initialization method for kohonen neural network implemented in the CMOS technology

Pierre-André Farine, Rafal Tomasz Dlugosz

The paper presents a new CMOS implementation of the initialization mechanism for Kohonen self-organizing neural networks. A proper selection of initial values of the weights of the neurons exhibits a significant impact on the quality of the learning proces ...

2012

Piezoelectric Actuators Characterization

Pierre-André Farine, Alexis Boegli, Christian Robert, Patrick Stadelmann

This paper describes a system to drive piezoelectric actuators over more than one decade of voltages and one octave of frequencies, in order to perform high-speed complex impedance characterization at a user chosen voltage excitation level. This characteri ...

Ieee Computer Soc2012

A novel low complexity data demodulation algorithm for pulse position modulation

Pierre-André Farine, Cyril Botteron

In this paper, a low complexity data demodulation algorithm is proposed that requires time of arrival information of the received signal exclusively. As an application example, the algorithm is applied to an ultra-wideband impulse radio communication syste ...

2012

Two-Step Galileo E1 CBOC Tracking Algorithm:When Reliability and Robustness Are Keys!

Pierre-André Farine, Aleksandar Jovanovic, Cyril Botteron

The majority of 3G mobile phones have an integrated GPS chip enabling them to calculate a navigation solution. But to deliver continuous and accurate location information, the satellite tracking process has to be stable and reliable. This is still challeng ...

2012

Firmware for ensuring realtime radio regulations compliance in WSN

Pierre-André Farine, Mitko Tanevski, Alexis Boegli

All wireless devices must comply with the local radio regulations which are set by international and national regulatory bodies such as the European Telecommunication Standardization Institute (ETSI) for Europe and the Federal Commission for Communication ...

IEEE Computer Society2012

Location System and Corresponding Calibration Method

Pierre-André Farine, Phillip Tomé, Cyril Botteron

The present invention relates to a location system, for locating at least one object within a predefined cell, comprising at least first and second receivers (A, B, C, D), first and second transmitters respectively, including first and second internal cloc ...

2012

Retrieval of occluded images using DCT phase and region merging

Sara Grassi Pauletti, Pierre-André Farine, Pradyumna Ayyalasomayajula

In this paper we present an efficient method for Content Based Image Retrieval (CBIR) of occluded images using DCT-phase. The proposed method utilizes a novel correlation metric for ternary-valued DCT-phase, as well as a region merging method to reconstruc ...

IEEE2012

Low-noise amplifier with sample & hold for high-density stimulation and recording of neural signals

Steve Tanner, Pierre-André Farine, Urs Alexander Müller

In this paper, the design of a low-noise amplifier (LNA) for a 32x32 pixel microelectrode array (MEA) is presented. Its gain and noise amount to 50 dB and 10 μVrms, respectively, at a bandwidth of 66 kHz. The LNA consumes less than 85 μW. The integrated of ...

2011

Rotation, Scale and Translation invariant image retrieval method based on Circular Segmentation and Color Density

Sara Grassi Pauletti, Pierre-André Farine, Pradyumna Ayyalasomayajula

We propose a fast and efficient method for Content Based Image Retrieval (CBIR) which uses color densities within concentric circular zones of the image, encompassing edge-pixels. This method is invariant to Rotation, Scale and Translation (RST). Small-siz ...

IEEE2011

Instrumented Prosthesis for Knee Implants Monitoring

Steve Tanner, Kamiar Aminian, Philippe Renaud, Catherine Dehollain, Arnaud Bertsch, Peter Ryser, Eric Meurville, Hooman Dejnabadi, Pierre-André Farine, Oguz Atasoy, Brigitte Jolles-Haeberli, Arash Arami, Willyan Hasenkamp Carreira, Shafqat Ali, Matteo Simoncini

In this work we present an instrumented smart knee prosthesis for in-vivo measurement of forces and kinematics. Studying the constraints, we designed minimal sensory systems to be placed in the polyethylene part of the prosthesis. The magnetic sensors and ...

IEEE2011

Low complexity image recognition algorithm for handheld applications

Sara Grassi Pauletti, Pierre-André Farine, Pradyumna Ayyalasomayajula

We propose a low complexity image recognition algorithm based on Content Based Image Retrieval (CBIR) suitable for handheld applications. The target application is an Alternative and Augmentative Communication (AAC) device used in speech rehabilitation and ...

IEEE2011

A speckle-based CMOS sensor array for arbitrary surface movement detection

Steve Tanner, Pierre-André Farine, Chao Wang

The paper presents a CMOS sensor array for the detection of speckle movements, for applications requiring accurate movement tracking of arbitrary surfaces. The array is made of eight sensors incorporating each a spatial comb filter with a pitch of 2.8μm so ...

SPIE Society2011

Power efficient asynchronous multiplexer for X-ray sensors in medical imaging analog front-end electronics

Pierre-André Farine, Rafal Tomasz Dlugosz

This paper presents a new power efficient asynchronous multiplexer(MUX) for application in analog front-endelectronics(AFE) used in X-ray medical imaging systems. Contrary to typica lsynchronous MUXes that have to be controlled by a clock, this circuit fea ...

Elsevier2011

Looking Inside Modern Receivers

Frédéric Chastellain, Pierre-André Farine, Cyril Botteron

The principle of wireless communications originates from the need to communicate between two points separated by a distance sufficiently large to prevent the use of wires. This article talks about modern receivers in which the basic building blocks of mode ...

Institute of Electrical and Electronics Engineers2011

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