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Pierre-André Farine

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Publications associées (123)

Design of an integrated thermoelectric generator power converter for ultra-low power and low voltage body energy harvesters aimed at ExG active electrodes

Pierre-André Farine, Alexis Boegli, Christian Robert, Milad Ataei Ashtiani

This paper describes a detailed design procedure for an efficient thermal body energy harvesting integrated power converter. The procedure is based on the examination of power loss and power transfer in a converter for a self-powered medical device. The ef ...

Institute of Physics2015

FFT Splitting for Improved FPGA-Based Acquisition of GNSS Signals

Pierre-André Farine, Cyril Botteron, Jérôme Leclère

With modern global navigation satellite system (GNSS) signals, the FFT-based parallel code search acquisition must handle the frequent sign transitions due to the data or the secondary code. There is a straightforward solution to this problem, which consis ...

2015

Acquisition of modern GNSS signals using a modified parallel code-phase search architecture

Pierre-André Farine, Cyril Botteron, Jérôme Leclère

The acquisition of global navigation satellite system signals can be performed using a fast Fourier transform (FFT). The FFT-based acquisition performs a circular correlation, and is thus sensitive to potential transitions between consecutive periods of th ...

Elsevier Science Bv2014

Normalized GNSS Interference Pattern Technique for Altimetry

Pierre-André Farine, Cyril Botteron, Jérôme Leclère, Mohammed Benjelloun, Miguel Angel Ribot Sanfelix

It is well known that reflected signals from Global Navigation Satellite Systems (GNSS) can be used for altimetry applications, such as monitoring of water levels and determining snow height. Due to the interference of these reflected signals and the motio ...

Mdpi Ag2014

A Versatile 1.4-mW 6-bits CMOS ADC for Pulse-Based UWB Communication Systems

Frédéric Chastellain, Pierre-André Farine, Cyril Botteron, Christian Robert, Saeed Ghamari

An Analog to Digital Converter (ADC) using the low duty-cycle nature of pulse-based Ultra Wide-Band (UWB) communications to reduce its power consumption is proposed. Implemented in CMOS 180 nm technology, it can capture a 5 ns window at 4 GS/s each 100 ns, ...

2014

Implementation and Performance of a GPS/INS Tightly Coupled Assisted PLL Architecture Using MEMS Inertial Sensors

Pierre-André Farine, Yannick Stebler, Phillip Tomé, Youssef Tawk, Cyril Botteron

The use of global navigation satellite system receivers for navigation still presents many challenges in urban canyon and indoor environments, where satellite availability is typically reduced and received signals are attenuated. To improve the navigation ...

Mdpi Ag2014

Thermoelectric energy harvesting for energy autonomous active EEG electrodes

Pierre-André Farine, Alexis Boegli, Milad Ataei Ashtiani, Patrick Streit, Christofer Hierold

2014

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

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

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

Path-loss and car-body-effect characterization for smart tires communications at UWB and ISM bands

Pierre-André Farine, Cyril Botteron, Christian Robert, Yi Guo, Saeed Ghamari, Gabriele Tasselli

Next generation of smart tires will improve the safety and stability of the vehicle by monitoring road parameters, such as pavement and rolling conditions, with sensors placed on tire surface. Between the tread and the metal belt of the tire there are only ...

IEEE2014

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

Multi-test Detection and Protection Algorithm Against Spoofing Attacks on GNSS Receivers

Pierre-André Farine, Aleksandar Jovanovic, Cyril Botteron

The vulnerability against interference, spoofing, and jamming of GNSS receivers is considered nowadays a major security concern. This security threat is exacerbated with the existing market availability of GPS jamming and spoofing equipment sold at reasona ...

2014

Design of an Integrated Thermoelectric Generator Power Converter for Ultra-Low Power and Low Voltage Body Energy Harvesters aimed at EEG/ECG Active Electrodes

Pierre-André Farine, Alexis Boegli, Christian Robert, Milad Ataei Ashtiani

This paper describes a design procedure for an efficient body thermal energy harvesting integrated power converter. This procedure is based on loss examination for a self-powered medical device. All optimum system parameters are calculated respecting the t ...

Iop Publishing Ltd2014

Offset Compensation Based on Distributed Hall Cell Architecture

Pavel Kejik, Pierre-André Farine, Pierre-François Thibault Bourdelle

A new offset reduction strategy for CMOS Hall devices is proposed. The novelty is to fragment the Hall device into multiple Hall blocks, distributed over the silicon area and easy to interconnect. The suitable number of Hall blocks and the bias current lev ...

Institute of Electrical and Electronics Engineers2013

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

Sara Grassi Pauletti, Pierre-André Farine, Fernando San Martin Jorquera

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

24 GHz LNA and Vector Modulator Phase Shifter for Phased-Array Receiver in CMOS Technology

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

With the rapid development of the applications in short range communication, phased-array receiver working at 24 GHz can provide enhanced gain performance at desired transmission direction. Also there is the wide signal bandwidth, i.e. 250 MHz free license ...

2013

A DAC Mismatch Calibration Technique for Multibit Sigma Delta Modulators

Steve Tanner, Pierre-André Farine, Shafqat Ali

A technique for the calibration of DAC (digital to analog converter) mismatch errors in multi-bit Sigma Delta modulators (SDM) is presented. It consists of two parts: the first is a measurement technique to obtain the relative mismatch of each feedback DAC ...

Ieee2013

Power supply energy optimization for ultra low-power wireless sensor nodes

Pierre-André Farine, Mitko Tanevski, Alexis Boegli

The wireless sensor nodes are most energy-efficient when they operate at the minimal operating voltage. The nominal voltage of the batteries used is often significantly higher. This paper analyzes DC-DC power conversion from the point of view of ultra low- ...

IEEE Instrumentation and Measurement Society2013

Soil Moisture & Snow Properties Determination with GNSS in Alpine Environments: Challenges, Status, and Perspectives

Jan Skaloud, Pierre-André Farine, Cyril Botteron, Jérôme Leclère, Steven Vincent Weijs

Moisture content in the soil and snow in the alpine environment is an important factor, not only for environmentally oriented research, but also for decision making in agriculture and hazard management. Current observation techniques quantifying soil moist ...

2013

A sub-µA power management circuit in 0.18µm CMOS for energy harvesters

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

We explore a miniature sensor node that could be placed in an environment which would interrogate, take decisions and transmit autonomously and seamlessly without the need of a battery. With the system completely powered by an energy harvester for autonomo ...

2013

Comparison Framework of FPGA-based GNSS Signals Acquisition Architectures

Pierre-André Farine, Cyril Botteron, Jérôme Leclère

The acquisition of Global Navigation Satellite Systems signals using Code Division Multiple Access can be performed through classical correlation or using a Fourier transform. These methods are well known but what is missing is a comparison of their perfor ...

Institute of Electrical and Electronics Engineers2013

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