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3 results on '"Florent Hagemann"'

1. Final results on airborne multipath models for dualconstellation dual-frequency aviation applications

Author

David Rüegg, Francois Tranchet, Christoph Enneking, Mihaela-Simona Circiu, Stefano Caizzone, Ioana Gulie, Pierre Bouniol, Rémy Lazzerini, Michael Meurer, Markus Rippl, Friederike Fohlmeister, Matteo Sgammini, Michael Felux, Florent Hagemann, and Joseph Griggs

Subjects
Galileo, Aviation, business.industry, Computer science, GPS signals, Physics::Geophysics, 629: Luftfahrt- und Fahrzeugtechnik, symbols.namesake, Multipath, Physics::Space Physics, Electronic engineering, Galileo (satellite navigation), symbols, Global Positioning System, Dual frequency, Airborne multipath, Antenna (radio), business, Multipath propagation, Computer Science::Information Theory
Abstract

This paper proposes DFMC airborne multipath models and antenna error models derived from measurement and supported by simulations. Based on the data evaluated, new multipath models (including the contribution from the antenna) for Galileo E1 and GPS L1 and Galileo E5a and GPS L5 are discussed. Furthermore, a model for the Ionosphere-Free combination of the signals is proposed.

Published
2021

2. Airborne Multipath Models for Dual-constellation Dual-Frequency Aviation Applications

Author

David Rüegg, Mihaela-Simona Circiu, Rémy Lazzerini, Matteo Sgammini, Joseph Griggs, Friederike Fohlmeister, Francois Tranchet, Michael Felux, Stefano Caizzone, Ioana Gulie, Christoph Enneking, Florent Hagemann, Pierre Bouniol, and Markus Rippl

Subjects
Aviation, business.industry, Computer science, Real-time computing, DUAL (cognitive architecture), GPS signals, Computer Science::Other, Physics::Geophysics, symbols.namesake, Physics::Space Physics, Computer Science::Networking and Internet Architecture, Galileo (satellite navigation), symbols, Global Positioning System, Dual frequency, business, Multipath propagation, Computer Science::Information Theory, Constellation
Abstract

This paper proposes initial versions of DFMC airborne multipath models derived from measurement and supported by simulations. Based on the data evaluated, new multipath models for Galileo E1 and GPS L1 are discussed. Furthermore, two new multipath models one for Galileo E5a and GPS L5 and another one for the Ionosphere-Free combination of the signals are discussed and suggested.

Published
2020
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3. Initial results for dual constellation dual-frequency multipath models

Author

Mihaela-Simona Circiu, Ioana Gulie, Rémy Lazzerini, Friederike Fohlmeister, Christoph Enneking, Francois Tranchet, Matteo Sgammini, Michael Felux, Markus Rippl, Pierre Bouniol, Joseph Griggs, Stefano Caizzone, Florent Hagemann, and David Rueegg

Subjects
GNSS augmentation, Computer science, Receiver autonomous integrity monitoring, business.industry, Real-time computing, Bandwidth (signal processing), ComputerApplications_COMPUTERSINOTHERSYSTEMS, Avionics, GPS signals, airborne multipath models, GNSS applications, aviation, Global Positioning System, DFDC, business, Multipath propagation
Abstract

This paper presents an update of the ongoing work to develop dual frequency dual constellation airborne multipath models for Galileo E1, E5a and GPS L1 and GPS L5 in the frame of the project DUFMAN (Dual Frequency Multipath Models for Aviation) funded by the European Commission. The goal of this activity is to support the development and implementation of airborne GNSS-based navigation solutions, such as Advanced Receiver Autonomous Integrity Monitoring (ARAIM), dual-frequency multiconstellation Satellite Based Augmentation System (SBAS) and dual-frequency multi-constellation Ground based Augmentation System (GBAS). Previous work described the methodology proposed to derive the airborne multipath models and presented preliminary multipath models obtained from an experimental installation. In this paper we present the initial results obtained from flight campaigns conducted within DUFMAN on Airbus commercial aircraft. The measurements are collected from prototypes of dual-frequency multi-constellation avionics receiver and the antenna installed on the aircraft has been selected to meet at best the current dual-frequency dual-constellation antenna requirements. In addition to the initial results obtained from avionics hardware, the impact of the different receiver correlator spacing and bandwidth is investigated and discussed.

Published
2019
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