Published in Remote Sensing, 2020
This paper presents the derivation of a closed-form Cramér-Rao bound for the estimation of the time-delay and Doppler frequency of a signal in presence of a single multipath.
Published in Remote Sensing, 2021
This paper makes use of the Cramér-Rao bound as a metric to assess the impact of signal crosstalk between two antennas of a GNSS-R receiver.
Published in IEEE Aerospace Conference, 2022
This paper presents an approach to assess multipath effect based on existing (multipath error envelop) and new (Cramér-Rao bound) metrics.
Published in ESA Workshop on Satellite Navigation Technologies and European Workshop on GNSS Signals and Signal Processing (NAVITEC), 2022
This paper presents different solutions to perform ground-based GNSS reflectometry using a single antenna collecting both the direct and the reflected paths.
Published in IEEE Transactions on Aerospace and Electronic Systems, 2022
This paper proposes a multipath metric based on the ratio between two Cramér-Rao bounds for GNSS signal design and analysis.
Published in Colloque du Groupe de Recherche et d'Etudes de Traitement du Signal et des Images (GRETSI), 2022
This paper presents highlights the feasibility of close-to-ground GNSS reflectometry using recent wideband GNSS signals and dual source signal processing techniques.
Published in Signal Processing, 2023
This paper presents the derivation of a closed-form misspecified Cramér-Rao bound for low-cost GNSS receivers in presence of multipath.
Published in IEEE/ION Position Location and Navigation Symposium (PLANS), 2023
This paper presents misspecified Cramér-Rao bound for GNSS receivers in presence of DME interferences.
Published in Signal Processing, 2023
This paper presents a model for signals reflected from extended reflecting surfaces. This model is based on a discrete representation of the reflecting surface impulse response. Possible strategies to evaluate the size of the impulse response are also proposed.
Published in Signal Processing, 2023
In this paper an approximation of the dual source maximum likelihood criterion is proposed to tackle the untractable case when the sources are very closed in space.
Published in Navigation, 2023
In this paper, a closed form expression of the misspecified Cramér-Rao bound is derived for the case of a GNSS receiver with an unknown interference. This result is illustrated with simulations involving a GPS L1 C/A signal and a jammer using an LFM signal.
Published in IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP), 2023
This paper presents a reflection signal model for close-to-ground GNSS-IR scenarios. This model allows to map reflection coefficients of the reflecting surface.
Published in 32nd European Signal Processing Conference (EUSIPCO), 2024
This paper presents an estimation method of the first two moments (mean power and mean frequency) of the Doppler spectrum of radar weather signals based on a signal model misspefication. The Misspecified Cramér-Rao bound is used to evaluate the performance of the proposed approach.
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The Journées CNES Jeunes Chercheurs (JC2) is a three days event gathering all the 2nd year graduate students funded by CNES in France. Each students is asked to present their PhD topic in a three minutes presentation before a poster session where interested people may ask questions. This edition took place at the Cité de l’Espace in Toulouse, France.
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Laboratory seminar on my PhD current work that took place at the Ibis hôtel next door the TéSA laboratory in Toulouse, France.
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Presentation* of the paper Multipath estimating techniques performance analysis at the IEEE Aerospace Conference 2022 that took place at the Yellowstone Conference Center in Big Sky, Montana, USA.
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Presentation* of the paper Close-to-ground single antenna GNSS-R at the ESA Workhop NAVITEC.
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Presentation of the paper Les signaux à bande large au service de la réflectométrie par GNSS à site bas at the French speaking GdR GRETSI 2022 that took place at the Palais des Congrès in Nancy, France.
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An introduction to the paper Band-limited impulse response estimation performance at the 4th edition of the Statistical Learning for Signal and Image Processing (SLSIP) workshop that took place at the Teatre Art i Joia in Cadaqués, Spain.
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Signal processing for GNSS reflectometry
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Presentation given by Dr. Lorenzo Ortega of the paper GNSS L5/E5 maximum likelihood synchronization performance degradation under DME interferences at the IEEE/ION PLANS 2023 conference that took place at the Hyatt Regency Monterey in Monterey, California, USA.
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Presentation given by Pr. François Vincent of the paper Towards surface mapping using GNSS-IR at the IEEE CAMSAP 2023 conference that took place at the Los Sueños Mariott Resort in Los Sueños, Herradura, Costa Rica.
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Poster-based presentation of the paper Deliberate model misspecification for weather radar signal Doppler spectrum moments estimation at EUSIPCO 2024 conference that took place at the Centre des congrès in Lyon, France.
Undergraduate course, University 1, Department, 2014
This is a description of a teaching experience. You can use markdown like any other post.
Workshop, University 1, Department, 2015
This is a description of a teaching experience. You can use markdown like any other post.