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Cyril Botteron

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Related publications (81)

ns-level time transfer over a microwave link using the PTP-WR protocol

Pierre-André Farine, Cyril Botteron, Jean-Pierre Aubry, Mathieu Paul Joseph Carlos Rico

Today it is possible to achieve sub-ns level time synchronization on a wireline network while only us-level synchronization can be achieved on a wireless (microwave) link. In this paper we will, first, study the performances of different time synchronizati ...

2015

Avalanche noise diodes: A compact circuit model compatible with advanced CAD tools

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

This paper proposes, for the first time, a compact model for avalanche noise diodes that can easily be inserted in advanced CAD tools. The model is based on the theory of the Read type microwave avalanche diodes. It fully accounts for the electronic tuning ...

IEEE2015

FEASIBILITY STUDY OF GNSS AS NAVIGATION SYSTEM TO REACH THE MOON

Pierre-André Farine, Cyril Botteron, Vincenzo Capuano

Reaching the Moon poses very strict requirements in terms of performance, flexibility and cost for all the spacecraft subsystems. These requirements become more stringent if the mission is designed to be accomplished using a small spacecraft. The navigatio ...

Elsevier2015

Design Methodology for Controlled-Q Resonators in OTA-based Filters

Pierre-André Farine, Cyril Botteron, Saeed Ghamari, Gabriele Tasselli

This paper presents a design methodology for high quality factor resonators based on operational transconductance amplifier (OTA) employed in active filters. The quality factor of a resonator, as its main specification, is translated to the requirements of ...

IEEE2015

GPS-based orbital filter to reach the moon

Pierre-André Farine, Cyril Botteron, Vincenzo Capuano

Nowadays, global navigation satellite systems (GNSSs) are used for many new applications that go further than the original goal of providing position, velocity and timing for land, maritime and air applications. In particular, GNSS receivers have been adop ...

2015

A New Estimation Algorithm for the GNSS-R Interference Pattern Technique: The Segmented Maximum-Likelihood

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

During the last years, Global Navigation Satellite Systems (GNSS) reflectometry (GNSS-R) receivers have proven in several field experiments that GNSS signals reflected and scattered from the Earth’s surface can be used in passive remote sensing application ...

2015

A Wide Tuning Range 4th-Order Gm-C Elliptic Filter for Wideband Multi-Standards GNSS Receivers

Pierre-André Farine, Cyril Botteron, Saeed Ghamari, Gabriele Tasselli

A 4 th order Gm-C elliptic low-pass filter with a wide continuous tuning range is presented. The continuous tuning is achieved by means of a new tuning circuit which adjusts the bias current of the Gm cell's input stage to control the cut-off frequency. Wi ...

IEEE2015

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

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

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

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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