Julien Lesouple

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Publications

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Assessing Spoofing Impact on GNSS Receivers : Carrier-to-Noise density Ratio (C/N0) Estimation

Emile Ghizzo , Julien Lesouple , Carl Milner

Signal Processing, 2026, 241, pp.110389. ⟨10.1016/j.sigpro.2025.110389⟩

Article dans une revue hal-05367267v1
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Characterization of the Multipath Situation Under Meaconing

Mathieu Hussong , Emile Ghizzo , Carl Milner , Axel Garcia Pena , Julien Lesouple

Navigation, 2026, 73 (1), pp.navi.738. ⟨10.33012/navi.738⟩

Article dans une revue hal-05481002v1
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Assessing Spoofer Impact on GNSS Receivers : Tracking Loops

Emile Ghizzo , Mathieu Hussong , Julien Lesouple , Axel Garcia-Pena , Christophe Macabiau

Navigation, In press, 72 (4), ⟨10.33012/navi.724⟩

Article dans une revue hal-05245859v1
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Uncertainty Quantification of First Fix in a Time-Differenced Carrier Phase Observation Model

Hakim Cherfi , Julien Lesouple , Joan Solà , Paul Thevenon

Sensors, 2025, 25 (11), ⟨10.3390/s25113480⟩

Article dans une revue hal-05096928v1
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Integrity and Continuity Concepts of a Vision-Integrated Navigation System for a Civil Aircraft During a Precision Approach

Gabriel Thys , Christophe Macabiau , Julien Lesouple , Jérémy Vezinet , Anaïs Martineau et al.

ION GNSS+, The International Technical Meeting of the Satellite Division of The Institute of Navigation, 2025, pp.1748-1759. ⟨10.33012/2025.20380⟩

Article dans une revue hal-05293924v1
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A High Availability Inertial-Vision Data Fusion Using an ES-KF for a Civil Aircraft During a Precision Approach in a GNSS-Challenged Environment

Gabriel Thys , Christophe Macabiau , Raphaël Jarraud , Julien Lesouple , Jérémy Vézinet et al.

The International Technical Meeting of the The Institute of Navigation, 2025, pp.976-991. ⟨10.33012/2025.19981⟩

Article dans une revue hal-04950805v1
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Assessing jamming and spoofing impacts on GNSS receivers: Automatic gain control (AGC)

Emile Ghizzo , El-Mehdi Djelloul , Julien Lesouple , Carl Milner , Christophe Macabiau

Signal Processing, 2024, pp.109762. ⟨10.1016/j.sigpro.2024.109762⟩

Article dans une revue hal-04771055v2
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Emerging trends in signal processing and machine learning for positioning, navigation and timing information: special issue editorial

Pau Closas , Lorenzo Ortega , Julien Lesouple , Petar M. Djuric

EURASIP Journal on Advances in Signal Processing, 2024, 2024 (1), pp.84. ⟨10.1186/s13634-024-01182-8⟩

Article dans une revue hal-04695683v1
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Bayesian EM Approach for GNSS Parameters of Interest Estimation Under Constant Modulus Interference

Julien Lesouple , Lorenzo Ortega

EURASIP Journal on Advances in Signal Processing, In press, 2024 (1), pp.32. ⟨10.1186/s13634-024-01129-z⟩

Article dans une revue hal-04485071v2
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Hypersphere fitting from noisy data using an EM algorithm

Julien Lesouple , Barbara Pilastre , Yoann Altmann , Jean-Yves Tourneret

IEEE Signal Processing Letters, 2021, 28, pp.314-318. ⟨10.1109/LSP.2021.3051851⟩

Article dans une revue hal-03329377v1
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Generalized isolation forest for anomaly detection

Julien Lesouple , Cédric Baudoin , Marc Spigai , Jean-Yves Tourneret

Pattern Recognition Letters, 2021, 149, pp.109-119. ⟨10.1016/j.patrec.2021.05.022⟩

Article dans une revue hal-03382634v1
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How to introduce expert feedback in one-class support vector machines for anomaly detection?

Julien Lesouple , Cédric Baudoin , Marc Spigai , Jean-Yves Tourneret

Signal Processing, 2021, 188, pp.108197. ⟨10.1016/j.sigpro.2021.108197⟩

Article dans une revue hal-03382585v1
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Multipath Mitigation for GNSS Positioning in an Urban Environment Using Sparse Estimation

Julien Lesouple , Thierry Robert , Mohamed Sahmoudi , Jean-Yves Tourneret , Willy Vigneau

IEEE Transactions on Intelligent Transportation Systems, 2019, 20 (4), pp.1316-1328. ⟨10.1109/TITS.2018.2848461⟩

Article dans une revue hal-02096509v1
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A New Geometric Regression with Inputs-Outputs on Matrix Lie Groups

Serigne Daouda Pene , Samy Labsir , Julien Lesouple , Jean-Yves Tourneret

Geometric Science of Information (GSI 2025), Oct 2025, Saint-Malo, France. pp.271-279, ⟨10.1007/978-3-032-03924-8_28⟩

Communication dans un congrès hal-05336520v1
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Proposition for the EUSIPCO 2025 Phased Array Signal Processing Student Challenge

Julien Lesouple , Alexandre Brochard , Lorenzo Ortega , Paul Thevenon , Evelyn Lisseth Rojano Fernández

EUSIPCO 2025, Sep 2025, Palermo, Italy

Communication dans un congrès hal-05248681v1
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EM Manifold Estimation of GNSS Synchronization Parameters Under Constant Modulus Interference

Asmae Bendahmane , Alexandre Brochard , Julien Lesouple , Lorenzo Ortega , Jordi Vilà-Valls

EUSIPCO 2025, Sep 2025, Palermo, Italy

Communication dans un congrès hal-05248672v1
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Robust Hypersphere Fitting from Noisy Data Using Gibbs Sampling

Younes Boutiyarzist , Julien Lesouple , Jean-Yves Tourneret

EUSIPCO 2024, Aug 2023, Lyon, France. pp.2532-2536

Communication dans un congrès hal-04755918v1
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Assessing GNSS Carrier-to-Noise-Density Ratio Estimation in The Presence of Meaconer Interference

Emile Ghizzo , Axel Javier Garcia Peña , Julien Lesouple , Carl Milner , Christophe Macabiau

ICASSP 2024 - 2024 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Apr 2024, Seoul, France. pp.8971-8975, ⟨10.1109/ICASSP48485.2024.10448170⟩

Communication dans un congrès hal-04528859v1
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Single Frequency GNSS Carrier Phase Cycle Slip Detection and Identification Using a Factor Graph Approach

Hakim Cherfi , Julien Lesouple , Joan Solà , Paul Thevenon

ION 2024 Pacific PNT Meeting, Apr 2024, Honolulu, United States. pp.344-355, ⟨10.33012/2024.19642⟩

Communication dans un congrès hal-04590729v1
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Improving AI Monitoring of Early Life Satellites Using Transfer Learning

Audric Baron , Pierre-Baptiste Lambert , Pauline Delande , Jean-Yves Tourneret , Julien Lesouple et al.

17th Internation conference on Space operations (Space0ps 2023), Mohammed Bin Rashid Space Centre (MBRSC), Mar 2023, Dubai, United Arab Emirates. pp.1-17

Communication dans un congrès hal-04156021v1
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An EM Approach for GNSS Parameters of Interest Estimation Under Constant Modulus Interference

Julien Lesouple , Lorenzo Ortega

EUSIPCO 2023, EURASIP, Sep 2023, Helsinki (Aalto University School of Economics), Finland

Communication dans un congrès hal-04144451v1
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Estimation du centre et du rayon d'une hypersphère à l'aide d'une loi a priori de Von Mises-Fisher et d'un algorithme EM

Julien Lesouple , Barbara Pilastre , Yoann Altmann , Jean-Yves Tourneret

XXVIIIème Colloque Francophone de Traitement du Signal et des Images (GRETSI 2022), Sep 2022, Nancy, France

Communication dans un congrès hal-03693945v2
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An EM Algorithm for Mixtures of Hyperspheres

Julien Lesouple , Philippe Burger , Jean-Yves Tourneret

30th European Signal Processing Conference (EUSIPCO 2022), European Association for Signal Processing (EURASIP), Aug 2022, Belgrade, Serbia

Communication dans un congrès hal-03693951v1
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Robust Hypersphere Fitting from Noisy Data Using an EM Algorithm

Julien Lesouple , Barbara Pilastre , Yoann Altmann , Jean-Yves Tourneret

29th European Signal Processing Conference (EUSIPCO 2021), Aug 2021, Dublin, France. pp.841-845, ⟨10.23919/EUSIPCO54536.2021.9616362⟩

Communication dans un congrès hal-03693911v1
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Incorporating User Feedback Into One-Class Support Vector Machines for Anomaly Detection

Julien Lesouple , Jean-Yves Tourneret

28th European Signal Processing Conference (EUSIPCO 2020), Jan 2021, Amsterdam, France. pp.1608-1612, ⟨10.23919/Eusipco47968.2020.9287325⟩

Communication dans un congrès hal-03693899v1
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Robust Covariance Matrix Estimation and Sparse Bias Estimation for Multipath Mitigation

Julien Lesouple , Franck Barbiero , Frédéric Faurie , Mohamed Sahmoudi , Jean-Yves Tourneret

31st International Technical meeting and showcase of GNSS technology, products and services (ION GNSS+ 2018), Sep 2018, Miami, Floride, United States. pp.3433-3445

Communication dans un congrès hal-03619628v1
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Robust Covariance Matrix Estimation and Sparse Bias Estimation for Multipath Mitigation

Julien Lesouple , Franck Barbiero , Frederic Faurie , Mohamed Sahmoudi , Jean-Yves Tourneret

31st International Technical Meeting of The Satellite Division of the Institute of Navigation (ION GNSS+ 2018), Sep 2018, Miami, United States. pp.3433-3445, ⟨10.33012/2018.15864⟩

Communication dans un congrès hal-03693894v1
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Smooth Bias Estimation for Multipath Mitigation Using Sparse Estimation

Julien Lesouple , Franck Barbiero , Frédéric Faurie , Mohamed Sahmoudi , Jean-Yves Tourneret

21st International Conference on Information Fusion (FUSION 2018), Jul 2018, Cambridge, United Kingdom. pp.1696-1702

Communication dans un congrès hal-01925466v1
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Multipath Mitigation in Global Navigation Satellite Systems Using a Bayesian Hierarchical Model with Bernoulli Laplacian Priors

Julien Lesouple , Jean-Yves Tourneret , Mohamed Sahmoudi , Franck Barbiero , Frédéric Faurie

IEEE Workshop on Statistical Signal Processing (SSP 2018), Jun 2018, Freiburg, Germany. ⟨10.1109/SSP.2018.8450818⟩

Communication dans un congrès hal-02983154v1
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Estimation parcimonieuse de biais multitrajets pour les systèmes GNSS

Julien Lesouple

Réseaux et télécommunications [cs.NI]. Institut National Polytechnique de Toulouse - INPT, 2019. Français. ⟨NNT : 2019INPT0020⟩

Thèse tel-04165244v1