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PROFESSIONNAL TRAININGS
2002: PhD in Computer Science and Telecommunications, delivered by the Institut National Polytechnique de Toulouse (INPT) and performed at ENAC in Toulouse at the LTST lab (became nowadays the SIGNAV research group of ENAC/TELECOM Lab), Ecole Doctorale en Mathématiques, Informatique et Télécommunications de Toulouse (MITT - ED 475), in partnership with CNES and Alcatel Space Industries (became Thales Alenia Space) - Thesis: "Spread spectrum signal tracking lock loops models and proposed phase raw measurements accuracy improvement methods", defended on November 15 2002, order n° 1917.
1997: Diplôme d'Etudes Approfondies en Traitement du Signal et des Images (Signal and Image Processing), delivered by ENSEEIHT, Toulouse
1996: Maîtrise en Electronique, Electrotechnique et Automatique (Electronics, Electrotechniques and Automatics), delivered by Université de Poitiers
1995: Licence en Electronique, Electrotechnique et Automatique (Electronics, Electrotechniques and Automatics), delivered by Université de Poitiers
1994: Diplôme Universitaire de Technologie en Génie Electrique et Informatique Industrielle (Electric Engineering and Industrial Computing), delivered by Institut Universitaire de Technologie de Cergy-Pontoise
Since 2018: GNSS IP.TECH company development and management; Design and development of GNSS IP modules; Consulting activities on GNSS topics; R&D activities; Creation and development of GNSS training materials; Provision of GNSS training courses; Patent redaction. – customers: industrials
Key skills: GNSS signal processing algorithms and architectural design / GNSS expertise / Real-time systems architectural design and development / Education
2017: State-of-the-art analysis, prototyping and performance assessments of multiconstellation / multifrequency GNSS RF front-end solutions based on COTS components – customer: institution
Key skills: GNSS signal properties and specifications / RF processing chain / GNSS signal processing performance assessments and analysis / Post-processing analysis tools (MATLAB, C/C++)
2017: GNSS baseband signal processing algorithms specification and design for an automotive-grade baseband GNSS signal processing IP – customer: industrial
Key skills: GNSS signal processing algorithms and architecture design / GNSS signal properties and specifications / GNSS signal processing performance assessments and analysis / Simulation and prototyping tools (MATLAB, C/C++)
2016: Design and development of the IP core implementing the baseband processing module of a GNSS receiver implemented on a 100% software execution platform / NXP IMX6 processor technology – customer: automotive equipment manufacturing company
Key skills: GNSS signal processing algorithms and architecture design / real-time embedded C design and programming
2011-2016: Design, development and maintenance of the IP core implementing the baseband processing module of a multi-constellation GNSS receiver / XILINX FPGA and SoC (ZYNQ) technologies – customer: industrial
Key skills: GNSS signal processing algorithms and architecture design / VHDL and real-time embedded C design and programming / XILINX ISE-VIVADO development tool suite / XILINX MICROBLAZE embedded multi-processor architecture design / XILINX ZYNQ SoC system design / low layer hardware interface management
2012-2013: Design and development of the prototype of the baseband signal generator IP core of a multi-constellation GNSS signal simulator / National Instrument and XILINX FPGA technologies – customer: industrial
Key skills: GNSS signal properties and specifications / GNSS signal generation architecture design /VHDL IP core design and programming / National Instrument VST (Vector Signal Transceiver) hardware management / National Instrument Labview and Labview FPGA development tool / XILINX ISE development tool suite
2009-2010: Design and development of the GPS L1C and GALILEO PRS signal tracking IP core module of a bi-constellation receiver mock-up for space applications / XILINX FPGA technology – customer: industrial and institution
Key skills: GNSS signal processing algorithms and architecture design / VHDL IP core design and programming / XILINX ISE development tool suite
2008-2009: Performance assessment and optimization of a new ambiguity resolution technique for BOC modulated signal with application to GPS L1C and GALILEO PRS signals / implementation of the new technique into an existing bit-level software receiver simulator (C) for performance assessments - customer: institution
Key skills: GNSS signal processing algorithms and architecture design / C programming under JUZZLE tool/ MATLAB programming / GNSS signal processing performance analysis
2008-2010: Development of an IP core implementing a flexible tracking module for a flexible multi-GNSS receiver prototype / XILINX FPGA technology – customers: industrials and institutions
Key skills: GNSS signal processing algorithms and architecture design / VHDL IP core design and programming / XILINX ISE development tool suite
2007-2008: Performance assessments of MBOC signal processing architectures / design and development of CBOC and TMBOC bit-level signal processing chains (C++) / performance assessments on simulated signals and real-life recorded GIOVE-B signals – customer: institution
Key skills: GNSS signal processing algorithms and architecture design / C++ programming / GNSS signal processing performance analysis
2006-2007: Performance assessments of GALILEO BOC and ALTBOC signal processing architectures / design and development of BOC and ALTBOC bit-level signal processing chains (C++) / performance assessment on simulated signals and real-life recorded GIOVE-A signals – customer: institution
Key skills: GNSS signal processing algorithms and architecture design / C++ programming / GNSS signal processing performance analysis
2002-2006: Design and development of a co-design (C++/VHDL) tool for bit-level simulation and signal processing of GNSS signals / performance assessments of signal processing architectures – customers: industrials and institution
Key skills: GNSS signal processing algorithms and architecture design / C++ programming / VHDL programming / XILINX ISE development tool suite
2003-2004: GALILEO ground receiver architecture preliminary analysis / RF-AD and correlator stage modeling / adaptation of the GPS Signal Quality Monitoring model to the GALILEO signals – customer: institution
Key skills: GNSS signal processing algorithms / SQM models / GNSS signal properties and specifications / MATLAB programming
2002-2004: Analysis of the effect of interferences on GALILEO PRS signal processing performances / interference modeling / mitigation technique proposals / development of a MATLAB-Simulink bit-level simulator for performance assessments – customer: institution
Key skills: GNSS signal processing algorithms and architectures / GNSS signal properties and specifications / Interferer signal properties and specifications / MATLAB-Simulink programming / GNSS signal processing performance analysis
2001-2002: Bit-level simulation of BOC/ALTBOC modulated signals and processing performance assessments / development of a MATLAB-Simulink bit-level simulator – customer: institution
Key skills: GNSS signal processing algorithms and architecture design / MATLAB-Simulink programming /GNSS signal processing performance analysis
1998-2001: R&D and training activities at ENAC and ENSAE/SUPAERO in Toulouse during doctoral studies;
1997-1998: Provision of support to the teacher team of the Signal Processing Lab of ENSAE/SUPAERO in Toulouse as a scientist of the contingent (military obligations).
1997: R&D activities at Laboratoire d'Acoustique, de Métronomie et d'Instrumentation (LAMI) of Université Paul Sabatier (Toulouse III) of Toulouse.
2018: " Method and device for continuity of the geolocation service inside buildings for terminals using GNSS signals ", WO/2020/079288, EP3579025, FR3082008
2009: "Development of a Flexible Real Time GNSS Software Receiver", G. Artaud and al. - Proceedings of the ENC GNSS 2009, May 3-6 2009, Naples, Italy.
2009: "New BPSK, BOC and MBOC Tracking Structures", A. de Latour et al. -Proceedings of the ION International Technical Meeting, January 26-28 2009.
2007: "Application of the Galileo System for a Better Synchronization of Electrical Power Systems", P.Mack and al. - Proceedings of the IEEE Power Tech, 1-5 July 2007, Lausanne, Switzerland
2004: "Analyse des brouillages non-intentionnels sur les systèmes de navigation par satellite et des techniques permettant d'en réduire les effets"- V.Calmettes and al. - Revue Scientifique et Technique de laDéfense (RSTD) n° 63, Mars 2004.
2003: "Tracking and Multipath Performance Assessments of BOC Signals Using a Bit-Level Signal Processing Simulator" - L.Ries and al. - Proceedings of the ION GPS 2003, Portland, Oregon.
2002: "A Software Simulation Tool for GNSS2 BOC Signals Analysis" - L.Ries and al. - Proceedings of the ION GPS 2002, Portland, Oregon.
2002: "Spread spectrum signal tracking loop models and raw measurements accuracy improvement method" - F.Legrand, PhD Thesis defended on November 15, 2002, Institut National Polytechnique de Toulouse, order n°1917
2001: "Improvement of the tracking capabilities of GPS receivers in weak signal environments and without data demodulation", F.Legrand, C.Macabiau - Proceedings of the 19th AIAA International Communications Satellite Systems Conference, 17-20 avril 2001, Toulouse, France.
2001: "Results of the implementation of the Fast Adaptive Bandwidth LockLoops on a real GPS receiver in a high dynamics context", F.Legrand, C.Macabiau - Proceedings of GNSS International Symposium, 8-11 mai 2001, Sevilla, Spain.
2001: "Real-time minimization of the total tracking error in phase and delaylock loops - a second approach of the Fast Adaptive Bandwidth algorithm", F.Legrand, C.Macabiau - Proceedings of the Institute Of Navigation Annual Meeting, 11-13 juin 2001, Albuquerque, New Mexico.
2000: "Improvement of pseudorange measurements accuracy by using Fast Adaptive Bandwidth Lock Loops", F.Legrand, C.Macabiau - Proceedings of Institute Of Navigation International Technical Meeting, septembre2000, Salt Lake City, Utah.
1999: "New Space GNSS Navigation Experiments", JL. Issler and al.,12th International Technical Meeting of the Satellite Division of the U.S. Institute of Navigation, Nashville, Tennessee, 14-17 September 1999.
1998: "Optimizing the directivity diagram of underwater acoustic wide band antennas", JL. Boizard and al., Proceedings of the 1998 International Symposium on Underwater Technology, Tokyo, Japan, 17 April 1998.
ResearchGate: https://www.researchgate.net/profile/Fabrice_Legrand
LinkedIn: https://www.linkedin.com/in/fabrice-legrand-gnss
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