Publications related to Galileo (satellite navigation)

Point rainfall statistics for ecohydrological analyses derived from satellite integrated rainfall measurements

Satellite rainfall measurements, nowadays commonly available, provide valuable information about the spatial structure of rainfall. In areas with low-density rain gage networks, or where these networks are nonexistent, satellite rainfall measurements can a ...

Amer Geophysical Union2015

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

UAVs using Bayesian Optimization to LocateWiFi Devices

Bixio Rimoldi, Stefano Rosati, Mohammad Emtiyaz Khan, Mattia Carpin

We address the problem of localizing non-collaborative WiFi devices in a large region. Our main motive is to localize humans by localizing their WiFi devices, e.g. during search-and-rescue operations after a natural disaster. We use an active sensing appro ...

2015

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

Mission Design and GNC for In-Orbit Demonstration of Active Debris Removal Technologies with CubeSats

Volker Gass, Muriel Richard, Camille Sébastien Pirat, Federico Belloni, Reto Wiesendanger, Christophe Dominique Paccolat

Within the frame of the ESA’s General Support Technology Programme, EPFL studied two In-Orbit Demonstration (IOD) missions using CubeSat technologies. These IODs aim at alleviating the technical risk inherent to new technologies required for Active Debris ...

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

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

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

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

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

Pierre-André Farine, Cyril Botteron, Aleksandar Jovanovic

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

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Galileo (satellite navigation)

Perspectives of Active Atomic Clock Based on Modelocked Semiconductor Laser with Rubidium Vapor Cell Saturable Absorber

Point rainfall statistics for ecohydrological analyses derived from satellite integrated rainfall measurements

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

UAVs using Bayesian Optimization to LocateWiFi Devices

FFT Splitting for Improved FPGA-Based Acquisition of GNSS Signals

Mission Design and GNC for In-Orbit Demonstration of Active Debris Removal Technologies with CubeSats

SaPPART - Satellite Positioning Performance Assessment for Road Transport

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

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

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

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UAVs using Bayesian Optimization to LocateWiFi Devices

FFT Splitting for Improved FPGA-Based Acquisition of GNSS Signals

SaPPART - Satellite Positioning Performance Assessment for Road Transport

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

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

Mission Design and GNC for In-Orbit Demonstration of Active Debris Removal Technologies with CubeSats

Perspectives of Active Atomic Clock Based on Modelocked Semiconductor Laser with Rubidium Vapor Cell Saturable Absorber

Point rainfall statistics for ecohydrological analyses derived from satellite integrated rainfall measurements

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

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