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Pierre-André Farine

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Related publications (123)

Dual Channel Optimization of Tracking Schemes for E1 CBOC Signal

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

New generation of satellite navigation signals, such as AltBOC (Alternative Binary Offset Keying), CBOC (Composite Binary Offset Keying) and TMBOC (Time Multiplex Binary Offset Keying) bring enhancements in the tracking process, such as more signal power, ...

IEEE2011

Robust ultra low power wireless sensor platform with embedded over-molded antenna

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

In this paper a new wireless sensor node intended for use in ultra-low power Wireless Sensor Networks (WSN) is presented. The node uses commercial of-the-shelf radio, microcontroller and a custom developed antenna embedded in the housing. Over-molding with ...

IEEE Instrumentation and Measurement Society2011

A 4.6-GHz, 15-mW frequency synthesizer CMOS ASIC with milli-hertz frequency resolution for miniature atomic clocks

Steve Tanner, Pierre-André Farine, Yazhou Zhao

In this paper, a 4.6 GHz frequency synthesizer integrated circuit for Cesium-based miniature atomic clocks is presented. Based on a fractional-N phase-locked loop (PLL) with sigma-delta modulator, the chip features a frequency resolution below 10E-3 Hz at ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2011

Analysis of Galileo E5 and E5ab code tracking

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

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 120mV startup circuit based on charge pump for energy harvesting circuits

Pierre-André Farine, Cyril Botteron

In this paper, a 120mV input startup circuit based on novel charge pump architecture is proposed. The startup circuit can boost input voltages ranging from 120mV to 300mV while supplying voltages 280mV to 1.6V at the output with approximately 23% efficienc ...

2011

A glass-based, high density microelectrode array (MEA) with integrated CMOS amplification

Steve Tanner, Pierre-André Farine, Mohssen Moridi, Urs Alexander Müller

A new bio-interface for active MEAs is presented in this paper. Unlike standard approaches that deposit MEA electrodes using post-processing of the integrated circuit, the proposed structure is based on Ti/Pt microelectrodes inserted by microfabrication in ...

2011

A New FFT-Based Algorithm for Secondary Code Acquisition for Galileo Signals

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

The innovative spreading codes used to modulate the new Galileo signals creates new challenges for receiver designers. It is well known in GNSS systems that longer integration times are needed to obtain a better sensitivity. However, the existence of the n ...

IEEE2011

Implementation and Optimization of a Galileo E1 Two-Step Tracking Algorithm using Data/Pilot Combining and Extended Integration Time

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

This paper brings additional light on the previously proposed two-step tracking algorithm for E1 CBOC tracking. More specifically, assessment of the different DLL and PLL tracking loop architectures are analyzed, taking into consideration coherent and non- ...

Inst Navigation2011

A 0.8V 2.4GHz 1Mb/s GFSK RF transceiver with on-chip DC-DC converter in a standard 0.18µm CMOS technology

Steve Tanner, Maher Kayal, Frédéric Chastellain, Pierre-André Farine, Martin Kucera

A low-energy 2.4GHz RF transceiver supporting 1Mb/s Gaussian Frequency-Shift Keying modulation and designed to run on a 1.5V battery is implemented in a standard 0.18μm CMOS technology. The integrated DC-DC converter can provide up to 100mA to an external ...

IEEE2010

Distributed arithmetic for efficient base-band processing in real-time GNSS software receivers

Pierre-André Farine, Cyril Botteron, Marcel Baracchi Frei

The growing market of GNSS capable mobile devices is driving the interest of GNSS software solutions, as they can share many system resources (processor, memory), reducing both the size and the cost of their integration. Indeed, with the increasing perform ...

2010

A Novel 1V, 24μW, ∑∆ Modulator Using Amplifier & Comparator Based Switched Capacitor Technique, with 10-kHz Bandwidth and 64dB SNDR

Steve Tanner, Pierre-André Farine, Shafqat Ali

A new technique, Amplifier and Comparator Based Switched Capacitor (ACBSC) for low voltage switched cap circuits, is presented. ACBSC combines the recently introduced CBSC (comparator based switched capacitor circuit) with an amplifier. The current sources ...

2010

Multipath Mitigation Techniques for CBOC, TMBOC and AltBOC Signals using Advanced Correlators Architectures

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

Multipath mitigation in urban canyons and indoor environments is an open issue for the reception of GNSS signals for high precision applications, as the presence of multipath components can lead to signal fading and ranging errors. New families of navigati ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2010

Implementation of an image recognition algorithm on the DM6446 DaVinci Processor

Sara Grassi Pauletti, Pierre-André Farine, Pradyumna Ayyalasomayajula

We are developing an Alternative and Augmentative Communication (AAC) portable device called PictoBar which is used in speech rehabilitation therapy. PictoBar recognizes barcodes and images, such as pictograms and pictures. Then it plays a sound message as ...

2010

Acquisition Performance of Galileo E5a Signal

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

The introduction of new modulations on the global navigation satellite systems brings potential improvements for ground positioning. Clever receiver designs taking advantage of the characteristics of the new signals will be able to achieve better accuracy, ...

2010

Design Experiences of a CMOS LNA for mm-waves

Steve Tanner, Pierre-André Farine, Enrique Rivera Parada, Cyril Botteron

This paper describes some of the design experiences achieved during the design, simulation and characterization of a Complementary Metal-Oxide Semiconductor (CMOS) LNA which has been designed for 24GHz and fabricated in a standard 0.180 µm technology. More ...

2010

Universal-SBAS: A worldwide multimodal standard

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

This paper describes a generalisation of the aeronautical GNSS Space Based Augmentation System (SBAS) air interface, in a true worldwide multimodal standard named Universal S-BAS. Examples of usages of this multifrequency future standard are presented in t ...

2010

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

Pierre-André Farine, Cyril Botteron, Marcel Baracchi Frei

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

Dynamic Visual Attention on the Sphere

Iva Bogdanova Vandergheynst, Alexandre Bur, Pierre-André Farine, Heinz Hügli

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

Requirements and Analysis for a Robust E1 Galileo Tracking Algorithm in the Scope of the GAMMA-A Project

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

FP7 GAMMA-A project is a European project with the objective to develop a 3-frequency GPS/Galileo receiver concept for automotive mass-market applications. This receiver shall build on the excellent properties of the new and modernized wide-band Galileo an ...

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

Resource and Performance Comparisons for Different Acquisition Methods that can be Applied to a VHDL-based GPS Receiver in Standalone and Assisted Cases

Pierre-André Farine, Cyril Botteron, Jérôme Leclère

There are mainly three well-known techniques to acquire a GNSS signal. The first, called Serial Search Acquisition, consist in correlating the Pseudo-Random Noise (PRN) codes for all the codes phases and all the frequency bins. The two others make use of t ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2010

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