Alexandre

Christophe Alexandre

Maître de conférences
Équipe : Traitement du signal et architectures électroniques
Site web : https://easytp.cnam.fr/alexandre/
Téléphone : +33140272699
Bureau : 11-B01-74

2023

Articles de revue

  1. Guillory, J.; Truong, D.; Wallerand, J-P. and Alexandre, C. A sub-millimetre two-wavelength EDM that compensates the air refractive index: uncertainty and measurements up to 5 km. In Measurement Science and Technology, 35 (2): 025024, 2023. doi  www 

Articles de conférence

  1. Tahkoubit, K.; Shaiek, H.; Alexandre, C.; Faci, S. and Roviras, D. Power budget analysis including PAPR reduction techniques and power amplifier consumption for DVB-T2 and ATSC 3.0. In 2023 IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB), pages 1-6, IEEE, Beijing, China, 2023. doi  www 

2022

Articles de revue

  1. Guillory, J.; Truong, D.; Wallerand, J-P. and Alexandre, C. Absolute multilateration-based coordinate measurement system using retroreflecting glass spheres. In Precision Engineering, 73: 214-227, 2022. doi  www 

Articles de conférence

  1. Philippe, M.; Sebastien, R.; Ali, K.; Christophe, A.; Disserand, A. and Comblet, F. Détection d'Obstacles par Radar Embarqué sur DrOne. In Journées ENVIREM, Palaiseau (91), France, 2022. www 

2021

Articles de conférence

  1. Tahkoubit, K.; Shaiek, H.; Alexandre, C.; Faci, S.; Roviras, D. and Ali-Pacha, A. Hardware Implementation of IDP and LINC Methods Using Real Power Amplifiers. In 2021 International Conference on Software, Telecommunications and Computer Networks (SoftCOM), pages 1-5, IEEE, Split, France, 2021. doi  www 

2020

Articles de revue

  1. Maoudj, R.; Medeiros, J.; Terre, M. and Alexandre, C. Reduced complexity null subspace channel impulse response based blind identification. In AE"U - International Journal of Electronics and Communications / Archiv f"ur Elektronik und "Ubertragungstechnik, 115: 153024, 2020. doi  www 

2019

Articles de revue

  1. Guillory, J.; Teyssendier de La Serve, M.; Truong, D. E; Alexandre, C. and Wallerand, J-P. Uncertainty Assessment of Optical Distance Measurements at Micrometer Level Accuracy for Long-Range Applications. In IEEE Transactions on Instrumentation and Measurement, 68 (6): 2260-2267, 2019. doi  www 

Divers

  1. Traverso, S.; Zayani, R.; Shaiek, H.; Alexandre, C.; Roviras, D. and Doré, J-B. Waveforms MOdels for Machine Type CommuNication inteGrating 5G Networks (WONG5). , Document Number D5.2 - ANR-15-CE25-0005, WONG5. www 

Rapports

  1. Zayani, R.; Traverso, S.; Shaiek, H.; Alexandre, C.; Roviras, D. and Doré, J-B. Waveforms MOdels for Machine Type CommuNication inteGrating 5G Networks (WONG5) Document Number D5.3 Experimental testbed of post-OFDM Waveforms. Technical Report, Cnam Paris, 2019.

2018

Articles de revue

  1. Teyssendier de La Serve, M.; Wallerand, J-P.; Guillory, J.; Truong, D.; Alexandre, C.; Cali, J. and Durand, S. Arpent : un prototype de haute exactitude pour les mesures de grande distance. In Revue XYZ (154): 35-40, 2018. www 
  1. Zayani, R.; Shaiek, H.; Cheng, X.; Fu, X.; Alexandre, C. and Roviras, D. Experimental Testbed of Post-OFDM Waveforms Toward Future Wireless Networks. In IEEE Access, 6: 67665-67680, 2018. doi  www 

Articles de conférence

  1. Guillory, J.; Truong, D.; Alexandre, C. and Waller, J-P. A Prototype of High Accuracy Telemeter for Long-Range Application. In 2018 Conference on Precision Electromagnetic Measurements (CPEM 2018), pages 1-2, IEEE, Paris, France, 2018. doi  www 
  1. Zayani, R.; Shaiek, H.; Alexandre, C.; Kielys, A.; Cheng, X.; Fu, X. and Roviras, D. A Testbed for Experimental Performance Evaluation of Multicarrier Waveforms in Presence of RF PA. In 2018 15th International Symposium on Wireless Communication Systems (ISWCS), pages 1-6, IEEE, Lisbon, Portugal, 2018. doi  www 
  1. Xie, X.; Bouchand, R.; Nicolodi, D.; Giunta, M.; H"ansel, W.; Lezius, M.; Joshi, A.; Datta, S.; Alexandre, C.; Lours, M.; Tremblin, P-A.; Santarelli, G.; Holzwarth, R. and Le Coq, Y. Ultra-low noise microwave signal generation with an optical frequency comb. In Laser Resonators, Microresonators, and Beam Control XX, pages 22, SPIE, San Francisco, United States, 2018. doi  www 

2017

Articles de revue

  1. Xie, X.; Bouchand, R.; Nicolodi, D.; Lours, M.; Alexandre, C. and Coq, Y. Le Phase noise characterization of sub-hertz linewidth lasers via digital cross correlation. In Optics Letters, 42 (7): 1217-1220, 2017. doi  www 
  1. Xie, X.; Bouchand, R.; Nicolodi, D.; Giunta, M.; H"ansel, W.; Lezius, M.; Joshi, A.; Datta, S.; Alexandre, C.; Lours, M.; Tremblin, P-A.; Santarelli, G.; Holzwarth, R. and Le Coq, Y. Photonic microwave signals with zeptosecond-level absolute timing noise. In Nature Photonics, 11 (1): 44-47, 2017. doi  www 
  1. Bouchand, R.; Xie, X.; Giunta, M.; H"ansel, W.; Lezius, M.; Holzwarth, R.; Alexandre, C.; Tremblin, P-A.; Santarelli, G. and Le Coq, Y. Compact Low-Noise Photonic Microwave Generation From Commercial Low-Noise Lasers. In IEEE Photonics Technology Letters, 29 (16): 1403-1406, 2017. doi  www 
  1. Bouchand, R.; Nicolodi, D.; Xie, X.; Alexandre, C. and Le Coq, Y. Accurate control of optoelectronic amplitude to phase noise conversion in photodetection of ultra-fast optical pulses. In Optics Express, 25 (11): 12268, 2017. doi  www 

Articles de conférence

  1. Guillory, J.; Wallerand, J-P.; Truong, D. and Alexandre, C. Arpent: a new high accuracy long-range Absolute Distance Meter (ADM). In 3rd MacroScale conference, Espoo, Finland, 2017. www 

2016

Articles de revue

  1. Guillory, J.; v Sm'id, R.; Garcia-Marquez, J.; Truong, D. E; Alexandre, C. and Wallerand, J-P. High resolution kilometric range optical telemetry in air by radio frequency phase measurement. In Review of Scientific Instruments, 87 (7): 075105, 2016. doi  www 

Articles de conférence

  1. Nicolodi, D.; Bouchand, R.; Lours, M.; Xie, X.; Le Coq, Y.; Giunta, M.; Lezius, M.; Haensel, W.; Holzwarth, R.; Tremblin, P-A.; Santarelli, G.; Datta, S.; Joshi, A. and Alexandre, C. Ultra-low phase noise frequency-comb-based microwave generation and characterization. In 2016 IEEE International Frequency Control Symposium (IFCS), IEEE, New Orleans, United States, 2016. doi  www 
  1. Xie, X.; Bouchand, R.; Nicolodi, D.; Giunta, M.; H"ansel, W.; Lezius, M.; Holzwarth, R.; Joshi, A.; Datta, S.; Alexandre, C.; Tremblin, P-A.; Santarelli, G. and Le Coq, Y. Record Ultra-low Phase Noise 12 GHz Signal Generation with a Fiber Optical Frequency Comb and Measurement. In CLEO: Science and Innovations, pages SM4H.1, OSA, San Jose, United States, 2016. doi  www 

2015

Articles de revue

  1. Guillory, J.; Garc'ia-M'arquez, J.; Alexandre, C.; Truong, D. and Wallerand, J-P. Characterization and reduction of the amplitude-to-phase conversion effects in telemetry. In Measurement Science and Technology, 26 (8): 084006, 2015. doi  www 

2014

Articles de revue

  1. Maoudj, R.; Terre, M.; Fety, L.; Alexandre, C. and Mege, P. Spatial filter decomposition for interference mitigation. In EURASIP Journal on Wireless Communications and Networking, 2014 (1): 127, 2014. doi  www 
  1. Phung, Ha D.; Merzougui, M.; Alexandre, C. and Lintz, M. Phase measurement of a microwave optical modulation: characterisation and reduction of amplitude-to-phase conversion in 1.5 $mu$m high bandwidth photodiodes. In Journal of Lightwave Technology, 32 (20): 3759-3767, 2014. doi  www 

Articles de conférence

  1. Alexandre, C.; Lecoq, Y.; Olivier, J-F. and Santarelli, G. A heterodyne cross-correlator for phase noise measurement. In The Cross-Spectrum Method for the Measurement of Oscillator Phase Noise, paris, France, 2014. www 
  1. Alexandre, C.; Wallerand, J-P.; Guillory, J.; Obaton, A. F. c. and Garcia Marquez, J. A 1550 nm telemeter for outdoor application based on off-the-shelf components. In Metrology for Long Distance Surveying workshop, caparica, Portugal, 2014. www 
  1. Dziri, A.; Alexandre, C.; Zakaria, R. and Le Ruyet, D. SDR based prototype for filter bank based multi-carrier transmission. In iswcs, pages 878-882, barcelone, Spain, 2014. www 
  1. Alexandre, C.; Wallerand, J-P.; Guillory, J.; Obaton, A. F. c. and Garcia Marquez, J. Compensation du couplage AM/PM `a la photodétection. In journ?e club optique et microonde, lannion, France, 2014. www 
  1. Alexandre, C.; Guillory, J.; Wallerand, J-P. and Obaton, A. F. c. Laser diodes based absolute distance meter. In Conference on Precision Electromagnetic Measurements (CPEM 2014), pages 490-491, Rio de Janeiro, Brazil, 2014. www 
  1. Wallerand, J-P.; Guillory, J.; Garc'ia-M'arquez, J.; Obaton, A-F. c. and Alexandre, C. Limitation from amplitude to phase modulation conversion in telemetry. In Macroscale, Vienne, Austria, 2014. www 

2013

Articles de revue

  1. Maoudj, R.; Fety, L. and Alexandre, C. Performance Analysis of Modified Gram-Schmidt Cholesky Implementation on 16 bits-DSP-chip. In International Journal of Computing and Digital Systems, 2 (1): 21-27, 2013. doi  www 
  1. Phung, Ha D.; Alexandre, C. and Lintz, M. Two-mode interference measurement for nanometer accuracy absolute ranging. In Optics Letters, 38 (3): 281, 2013. doi  www 

Articles de conférence

  1. Phung, Ha D.; Courde, C.; Brillet, A.; Alexandre, C. and Lintz, M. Long distance absolute laser ranging at the nanometer precision level: the two-mode interference measurement in the Iliade rangemeter. In Q2C6 From Quantum to Cosmos, Nice, France, 2013. www 
  1. Phung, Ha D.; Courde, C.; Alexandre, C. and Lintz, M. Nanometer-scale absolute laser ranging: exploiting a two-mode interference signal for high accuracy distance measurements. In OHP2013 colloquium: Improving the performances of current optical interferometers & future designs, pages 79-86, Saint Michel L'Observatoire, France, 2013. www 

2012

Articles de conférence

  1. Alexandre, C.; Lintz, M.; Phung, Ha and Brillet, A. TELEMETRIE LASER DE HAUTE EXACTITUDE ET HAUTE RESOLUTION PAR MODULATION DE PORTEUSE A 20 GHZ. In Journée du club optique et microondes, lille, France, 2012. www 
  1. Phung, Ha D.; Merzougui, M.; Lintz, M. and Alexandre, C. Dynamics of the Amplitude-to-Phase Coupling of 1.5$mu$m High Bandwidth Commercial Photodiodes. In Journée du Club Optique et Microondes de la Société Franc caise d'Optique, Lille, France, 2012. www 
  1. Lintz, M.; Phung, Ha D.; Brillet, A. and Alexandre, C. A Two-mode Interference Measurement for Nanometer Accuracy Absolute Distance Ranging. In International Conference on Space Optics - ICSO, Ajaccio, France, 2012. www 
  1. Alexandre, C.; Terre, M. and Maoudj, R. Self-Adjustment Channel Rank Based on Reordered Cholesky Factorization. In wocn2012, indore, India, 2012. www 
  1. Alexandre, C.; Lintz, M.; Phung, Ha and Merzougui, M. Couplage amplitude-phase dans les photodiodes `a grande bande passante: caractérisation statique et dynamique de photodiodes PIN InGaAs `a 20GHz; transitoires d'échauffement de la jonction. In Journée du club optique et microondes, lille, France, 2012. www 
  1. Alexandre, C.; Maoudj, R.; Terre, M. and Popielski, D. DSP Implementation of Interference Cancellation Algorithm for a SIMO System. In iswcs, paris, France, 2012. www 

2011

Divers

  1. Lintz, M.; Courde, C.; Brillet, A.; Phung, D. H? and Alexandre, C. Télémétrie laser pour le vol en formation: Vers des mesures de haute exactitude des distances kilométriques dans l?espace. , Poster. www 

2010

Brevets

  1. Alexandre, C. Lecteur de fichiers vidéo encryptés. www 

2006

Articles de conférence

  1. Alexandre, C.; Sroka, M.; Clément, H. and Masson, C. Zephyr: a Static Timing Analyzer integrated in a trans-hierarchical refinement design flow. In PATMOS Power and Timing Modeling Optimization and Simulation, pages 319-328, Springer, Montpellier, France, Lecture Notes in Computer Science 4148, 2006. doi  www 

2002

Articles de conférence

  1. Alexandre, C. and Greiner, A. Une approche intégrée pour la Synthèse-Placement-Routage des systèmes sur puce. In Troisième Colloque du GDR CAO de circuits et systèmes intégrés, pages 33-36, Paris, France, 2002. www 
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