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Stéphane Azou

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Presentation

*Professeur des Universités (section CNU 63)* Contact Information ------------------- Address : ENIB, Lab-STICC (UMR CNRS 6285), CS73862, 29238 Brest cedex, France. Phone : +33.(0).2.98.05.66.44 E-mail: azou \[at\] enib.fr URL: [www.enib.fr/~azou](https://www.enib.fr/~azou) Education --------- - 2007: HDR degree (accreditation to supervise research) defended at the University of Brest (UBO), France Title: Furtive transmission and state-space estimation. Advisor: Prof. Gilles BUREL. - 1997: PhD degree of the University of Brest (UBO) in Electrical Engineering.*Title: Balanced systems realization via orthogonalization of input maps—Gramians and approximation.* Advisor: Prof. Pierre VILBE. - 1993: Master of Science degree (DEA) in Electrical Engineering at the University of Brest. Professional Experience ----------------------- - Since sept. 2012: Professor (Professeur des Universités) at the Brest National Engineering School (ENIB), France; Research work at the Lab-STICC (UMR CNRS 6285) - 2000-2012: Assistant Professor (Maître de Conférences) at the University of Brest, France (UBO); Research work at the LEST (UMR CNRS 6165), then at the Lab-STICC (UMR CNRS 6285) - 1998-2000: Assistant Professor at the French Naval Academy (École Navale), Lanvéoc-Poulmic, France; Research work at the Signal Processing Group (Ecole Navale). - 1997-1998: Research and Teaching Assistant at the University of Brest, France (UBO); Resarch work at the LEST (UMR CNRS 6165). - 1995-1996: Scientifique du Contingent, Ecole de Maistrance, Marine Nationale, Brest; Professeur d'Electronique.

Publications

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Robust Estimation of the Channel Parameters in Presence of Transmitter and Receiver IQ Impairments

Alexandru Frunza , Vincent V. Choqueuse , Pascal Morel , Stéphane Azou
Journal of Military Technology, 2022, 5 (2), pp.19-28. ⟨10.32754/JMT.2022.2.04⟩
Journal articles hal-04145543v1
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An IR-UWB multi-sensor approach for collision avoidance in indoor environments

Faheem Khan , Stephane Azou , Roua Youssef , Pascal Morel , Emanuel Radoi
IEEE Transactions on Instrumentation and Measurement, In press, ⟨10.1109/tim.2022.3150582⟩
Journal articles hal-03582174v1

A Parametric Network for the Global Compensation of Physical Layer Linear Impairments in Coherent Optical Communications

Alexandru Frunza , Vincent Choqueuse , Pascal Morel , Stephane Azou
IEEE Open Journal of the Communications Society, 2022, 3, pp.1428-1444. ⟨10.1109/OJCOMS.2022.3201130⟩
Journal articles hal-03818281v1
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An Experimental Demonstration of Joint Linear Impairments Compensation in Coherent Optical Systems Using a Parametric Network

Alexandru Frunza , Vincent V. Choqueuse , Pascal Morel , Alexandru Serbanescu , Stéphane Azou
Journal of Military Technology, 2022, 5 (2), ⟨10.32754/JMT.2022.2.03⟩
Journal articles hal-04145533v1

Global Estimation and Compensation of Linear Effects in Coherent Optical Systems Based on Nonlinear Least Squares

Alexandru Frunza , Vincent Choqueuse , Pascal Morel , Stéphane Azou
IEEE Systems Journal, inPress, pp.1-11. ⟨10.1109/JSYST.2021.3111777⟩
Journal articles hal-03358461v1
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Very low-complexity filter lookup-table design with non-uniform spacing for SOA linearisation

Mohamad Younes , Mihai Telescu , Stéphane Azou , Pascal Morel , Noël Tanguy
IET Optoelectronics, 2020, 14 (5), ⟨10.1049/iet-opt.2019.0044⟩
Journal articles hal-02568443v2
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A Numerical Assessment of an Effective Envelope-Tracking Semiconductor Optical Amplifier Design for Coherent-Optical OFDM Transmission

Julio Cesar Ortiz-Cornejo , Pascal Morel , Stéphane Azou , Jorge Arturo Pardiñas-Mir
Optics Communications, 2020, ⟨10.1016/j.optcom.2019.124474⟩
Journal articles hal-02390882v1
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The effects of digital predistortion in a CO-OFDM system – a stochastic approach

Jacqueline E Sime , Pascal Morel , Mohamad Younes , Igor Simone Stievano , Mihai Telescu
IEEE Photonics Technology Letters, 2020, 32 (13), pp.763-766. ⟨10.1109/LPT.2020.2994892⟩
Journal articles hal-02610694v2

Pulse parity modulation for impulse radio UWB transmission based on non-coherent detection

Haidar Taki , Ali Mansour , S. Azou , Abbass Nasser , Koffi Clément Yao
Physical Communication, 2020, 40, pp.101061-1 - 101061-11. ⟨10.1016/j.phycom.2020.101061⟩
Journal articles hal-02520037v1
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Sparse Preamble Design for Polarization Division Multiplexed CO-OFDM/OQAM Channel Estimation

Nhat-Quang Nhan , Pascal Morel , Stéphane Azou , Michel Morvan , Philippe Gravey
Journal of Lightwave Technology, 2018, 36 (13), pp.2737-2745. ⟨10.1109/JLT.2018.2822732⟩
Journal articles hal-01954338v1
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Erratum to “Sparse Preamble Design for Polarization Division Multiplexed CO-OFDM/OQAM Channel Estimation”

Nhat-Quang Nhan , Pascal Morel , Stéphane Azou , Michel Morvan , Philippe Gravey
Journal of Lightwave Technology, 2018, 36 (22), pp.5316-5316. ⟨10.1109/JLT.2018.2874573⟩
Journal articles hal-01954348v1
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Chirping techniques for enhancing the performance of SOA-based UWB over fiber systems: An experimental demonstration

Haidar Taki , Stéphane Azou , Ali Hamie , Pascal Morel , Ali Al Housseini
AEÜ - International Journal of Electronics and Communications / Archiv für Elektronik und Übertragungstechnik, 2018, 94, pp.221 - 225. ⟨10.1016/j.aeue.2018.07.008⟩
Journal articles hal-01858825v1
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Simple pre-distortion schemes for improving the power efficiency of SOA-based IR-UWB over fiber systems

H Taki , S Azou , A Hamie , Ali Al Housseini , A Alaeddine
Optics Communications, 2017, ⟨10.1016/j.optcom.2016.07.066⟩
Journal articles hal-01353980v1
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On Phaser-Based Processing of Impulse Radio UWB over Fiber Systems Employing SOA

H Taki , S Azou , A Hamie , A Al Housseini , A Alaeddine
Optical Fiber Technology, 2017, 36, pp.33-40. ⟨10.1016/j.yofte.2017.02.001⟩
Journal articles hal-01456315v1
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Robustness analysis of a parallel two-box digital polynomial predistorter for an SOA-based CO-OFDM system

Cherif Diouf , Mohamad Younes , Alexandru Noaja , Stéphane Azou , Mihai Telescu
Optics Communications, 2017, 402, pp.442 - 452. ⟨10.1016/j.optcom.2017.06.023⟩
Journal articles hal-01563827v1
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Improving the power efficiency of SOA-based UWB over fiber systems via pulse shape randomization

H Taki , S Azou , A Hamie , Ali Al Housseini , A Alaeddine
Optical Fiber Technology, 2016, 31, pp.161-167. ⟨10.1016/j.yofte.2016.07.006⟩
Journal articles hal-01353969v1
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Performance improvement of a SOA-based coherent optical-OFDM transmission system via nonlinear companding transforms

Stéphane Azou , Serban Bejan , Pascal Morel , Ammar Sharaiha
Optics Communications, 2015, 336, pp.177 - 183. ⟨10.1016/j.optcom.2014.09.067⟩
Journal articles hal-01088835v1
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A statistical analysis of multipath interference for impulse radio UWB systems

Mihai I Stanciu , Stéphane Azou , Emanuel Radoi , Alexandru Serbanescu
Journal of The Franklin Institute, 2015, 352, pp.5952 - 5967. ⟨10.1016/j.jfranklin.2015.09.020⟩
Journal articles hal-01503181v1
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A Joint Linearization/Companding Approach for Improving a CO-OFDM Transmitter

Serban Bejan , Stéphane Azou , Pascal Morel , Cherif Diouf , Mihai Telescu
IEEE Photonics Technology Letters, 2015, 27 (20), pp.2162-2165. ⟨10.1109/LPT.2015.2455674⟩
Journal articles hal-01218942v1
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Low-complexity synchronization algorithms for orthogonally modulated IR-UWB systems

Rizwan Akbar , Emanuel Radoi , Stéphane Azou , Muhammad Najam-Ul-Islam
EURASIP Journal on Wireless Communications and Networking, 2013, pp.2013:199. ⟨10.1186/1687-1499-2013-199⟩
Journal articles hal-00876527v1

A Non-Data-Aided Rapid Synchronization Method for UWB Impulse Radio

Rizwan Akbar , Emanuel Radoi , Stéphane Azou
IEEE Communications Letters, 2012, 16 (8), pp.1308 - 1311. ⟨10.1109/LCOMM.2012.060112.120763⟩
Journal articles hal-00733959v1

Comparative Analysis of some Low-Complexity Blind Synchronization Algorithms for IR-UWB Systems

Rizwan Akbar , Emanuel Radoi , Stéphane Azou
journal of communications, 2012, 7 (5), pp.374-381. ⟨10.4304/jcm.7.5.374-381⟩
Journal articles hal-00714115v1

On the Blind Estimation of Chip Time of Time-Hopping Signals Through Minimization of a Multimodal Cost Function

Mihai Stanciu , Stéphane Azou , Alexandru Serbanescu
IEEE Transactions on Signal Processing, 2011, 59 (2), pp.842-847. ⟨10.1109/TSP.2010.2090872⟩
Journal articles hal-00657241v1
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Modulation Recognition for MIMO Communications

Vincent V. Choqueuse , Stéphane Azou , Koffi Clément Yao , Ludovic Collin , Gilles Burel
Military Technical Academy Review, 2009, XIX (2), pp.183-196
Journal articles hal-00395159v1

Performance Evaluation of Impulse Based UWB System in AWGN and Indoor Multipath Channel

Rizwan Akbar , Emanuel Radoi , Stéphane Azou
Military Technical Academy Review, 2009, XIX (4), pp.53-74
Journal articles hal-00488227v1

Time Of Chip Estimation for an UWB System with Pulse Position Modulation

Mihai Stanciu , Stéphane Azou
Military Technical Academy Review, 2008, XVIII (2), pp.161-172
Journal articles hal-00395187v1
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On Exact Kalman Filtering of Polynomial Systems

Mihai Bogdan Luca , Stéphane Azou , Gilles Burel , Alexandru Serbanescu
IEEE Transactions on Circuits and Systems I: Regular Papers, 2006, 53 (6), pp.1329-1340. ⟨10.1109/TCSI.2006.870899⟩
Journal articles hal-00170280v1
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Performance analysis of a spreading sequence estimator for spread spectrum transmissions

C. Bouder , S. Azou , G. Burel
Journal of The Franklin Institute, 2004, 341 (7), pp.595 - 614. ⟨10.1016/j.jfranklin.2004.07.006⟩
Journal articles hal-01508739v1
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Estimation, en contexte non coopératif, des paramètres d’une transmission à spectre étalé par séquence directe

Céline Bouder , Stéphane Azou , Gilles Burel
Traitement du Signal, 2003, 20 (4), pp.337-351
Journal articles hal-01508745v1
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A New Receiver for Chaotic Digital Transmissions: The Symbolic Matching Approach

Gilles Burel , Stéphane Azou
WSEAS Transactions on circuits and systems, 2003, 2 (3), pp.638-642
Journal articles hal-03223384v1

A new discrete impulse response Gramian and its application to model reduction

S. Azou , Pascale Bréhonnet , P. Vilbe , L.C. Calvez
IEEE Transactions on Automatic Control, 2000, 45 (3), pp.533 - 537. ⟨10.1109/9.847738⟩
Journal articles hal-01508752v1

The L/sup 2/-optimal time-delay rational Laplace model revisited

P. Vilbe , S. Azou , Pascale Bréhonnet , L.C. Calvez
IEEE Transactions on Circuits and Systems Part 1 Fundamental Theory and Applications, 1999, 46 (4), pp.505 - 512. ⟨10.1109/81.754853⟩
Journal articles hal-01508754v1

Balanced Realization using an Orthogonalization Procedure and Modular Polynomial Arithmetic

S. Azou , P. Vilbe , L.C. Calvez
Journal of The Franklin Institute, 1998, 335 (8), pp.1507 - 1518. ⟨10.1016/S0016-0032(96)00138-X⟩
Journal articles hal-01508759v1

Variation on Euclid's algorithm for polynomials

L.C. Calvez , S. Azou , P. Vilbé
Electronics Letters, 1997, 33 (11), ⟨10.1049/el:19970658⟩
Journal articles hal-01508760v1
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Influence of frequency mapping on intermodulation distortion in an SOA-based optical fronthaul C-RAN architecture for 5G communications

Mahdi Kasmi , Pascal Morel , Mihai Telescu , Vincent V. Choqueuse , Noël Tanguy
23rd International Conference on Transparent Optical Networks (ICTON 2023), Jul 2023, Bucharest, Romania
Conference papers hal-04149163v1
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Performance analysis of UFMC waveform in an SOA-based analog IF over fiber fronthaul link for the C-RAN architecture

Mahdi Kasmi , Pascal Morel , Mihai Telescu , Vincent V. Choqueuse , Noël Tanguy
Journée du Club Optique et Micro-Ondes (JCOM 2023), Jun 2023, online, France
Conference papers hal-04149286v1
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ParamNet: A Multi-Layer Parametric Network for Joint Channel Estimation and Symbol Detection

Vincent Choqueuse , Alexandru Frunza , Adel Belouchrani , Stéphane Azou , Pascal Morel
2022 30th European Signal Processing Conference (EUSIPCO), Aug 2022, Belgrade, Serbia. pp.1616-1620, ⟨10.23919/EUSIPCO55093.2022.9909961⟩
Conference papers hal-04145035v1

Global Estimation and Compensation of Linear Effects in Coherent Optical Systems Based on Nonlinear Least Squares

Alexandru Frunza , Vincent Choqueuse , Pascal Morel , Alexandru Serbanescu , Stephane Azou
2022 14th International Conference on Communications (COMM), Jun 2022, Bucharest, France. pp.3794-3804, ⟨10.1109/JSYST.2021.3111777⟩
Conference papers hal-03818275v1
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Experimental Investigation of the Linearization of an SOA based CO-OFDM System

Jacqueline E Sime , Pascal Morel , Mihai Telescu , Noël Tanguy , Stéphane Azou
IEEE Photonics Conference (IPC), Oct 2021, Vancouver (virtual), Canada
Conference papers hal-03420595v1
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SOAs and Digital Linearization in Optical Networks – A Stochastic Investigation

Jacqueline E Sime , Pascal Morel , Igor Simone Stievano , Mihai Telescu , Noël Tanguy
CLEO: Science and Innovations, 2021, San Jose, United States. pp.STh1F.6, ⟨10.1364/CLEO_SI.2021.STh1F.6⟩
Conference papers hal-03358477v1
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Digital Predistortion for CO-OFDM Systems Using Generalized Memory Polynomials

Jacqueline E Sime , Pascal Morel , Mihai Telescu , Noël Tanguy , Stéphane Azou
2020 IEEE Eighth International Conference on Communications and Electronics (ICCE), Jan 2021, Phu Quoc Island (virtual), Vietnam. pp.7-11, ⟨10.1109/ICCE48956.2021.9352081⟩
Conference papers hal-03148309v1
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Analyse stochastique de la linéarisation en bande de base des SOAs dans les réseaux optiques

Jacqueline E Sime , Pascal Morel , Igor Simone Stievano , Mihai Telescu , Noël Tanguy
Journées Nationales d'Optique Guidée, Jul 2021, Dijon, France
Conference papers hal-03420634v1

Joint Estimation and Compensation of Transmitter IQ Imbalance and Laser Phase Noise in Coherent Optical Systems

Alexandru Frunza , Jacqueline Sime , Vincent V. Choqueuse , Pascal Morel , Stéphane Azou
2021 IEEE Photonics Conference (IPC), Oct 2021, Vancouver, Canada. pp.1-2, ⟨10.1109/IPC48725.2021.9593089⟩
Conference papers hal-03601367v1

An Improved Envelope Tracking SOA Amplifier for CO-OFDM Transmission by Using PSO

Julio Cesar Ortiz-Cornejo , Stéphane Azou , Jorge Arturo Pardiñas-Mir , Pascal Morel
2018 IEEE 10th Latin-American Conference on Communications (LATINCOM), Nov 2018, Guadalajara, France. pp.1-5, ⟨10.1109/LATINCOM.2018.8613235⟩
Conference papers hal-02468952v1
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On Envelope-Tracking for SOA Amplification of Multicarrier Signals

J. C. Ortiz Cornejo , S Bejan , Stéphane Azou , J. A. Pardinas Mir , Pascal Morel
2017 IEEE International Symposium on Circuits and Systems (ISCAS), 2017, Baltimore, MD, USA, France. ⟨10.1109/ISCAS.2017.8050451⟩
Conference papers hal-01492351v1

Tensor-Network-Based Predistorter Design for Multiple-Input Multiple-Output Nonlinear Systems

Cong Chen , Kim Batselier , Mihai Telescu , Stéphane Azou , Noël Tanguy
IEEE 12th International Conference on ASIC (ASICON), Oct 2017, Guiyang, China
Conference papers hal-01680123v1

Performances d’un SOA à gain bloqué (GC-SOA) dans un système de transmission optique CO’OFDM

Ammar Sharaiha , Pascal Morel , Stéphane Azou , John D. Sierra Beltran
Journées Nationales d'Optique Guidée (JNOG 2017), Jul 2017, Limoges, France
Conference papers hal-01560602v1
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Robustness Improvement of Compact Predistorters in a CO-OFDM System Using Semiconductor Optical Amplifiers

Mohamad Younes , Mihai Telescu , Noël Tanguy , Chérif El Valid Diouf , Pascal Morel
29th International Conference on Microelectronics (ICM), 2017, Dec 2017, Beirut, Lebanon. ⟨10.1109/ICM.2017.8268828⟩
Conference papers hal-01697205v1

Fonctions et systèmes à base de SOA pour la conversion de fréquences et la transmission IR-UWB sur fibre

Ammar Sharaiha , Thierry Rampone , Stéphane Azou
Journée du Club Optique et Microondes, JCOM 2017, , Jul 2017, Limoges, France
Conference papers hal-01560565v1

Pulse Shape Pre-distortion for Improving the Power Efficiency of SOA-based IR-UWB over Fiber Systems

Haidar Taki , Stéphane Azou , Ali Al Housseini , Ali Hamié , Ali Alaeddine
23rd IEEE International Conference on Telecommunications (ICT 2016), May 2016, Thessaloniki, Greece. ⟨10.1109/ICT.2016.7500471⟩
Conference papers hal-01508675v1

Pré-distorsion numérique à très faible complexité pour la compensation d'effets non-linéaires au sein d'un transmetteur optique CO-OFDM

Mohamad Younes , Stéphane Azou , Noël Tanguy , Pascal Morel , Mihai Telescu
Journées Nationales d'Optique Guidée, Optique Bordeaux 2016, Jul 2016, Bordeaux, France
Conference papers hal-01342221v1

On the use of digital predistortion to compensate the nonlinear effects of semiconductor optical amplifiers

Stéphane Azou , Serban Bejan , Pascal Morel , Chérif El Valid Diouf , Ammar Sharaiha
20th IEEE Workshop on Signal and Power Integrity (SPI), May 2016, Turin, Italy. ⟨10.1109/SaPIW.2016.7496281⟩
Conference papers hal-01342086v1

Sur la robustesse de pré-distorseurs numériques statiques pour la compensation de non-linéarités au sein de transmetteurs optiques multi-porteuses

Mohamad Younes , Stéphane Azou , Noël Tanguy , Mihai Telescu , Pascal Morel
Journée du Club Optique et Micro-Ondes (JCOM2016), Jun 2016, Nice, France
Conference papers hal-01342228v1

Utilisation conjointe d’une réduction de PAPR via une loi µ et d’un modèle comportemental pour la linéarisation d’un transmetteur optique

Mohamad Younes , Stéphane Azou , Noël Tanguy , Mihai Telescu , Pascal Morel
Journée du Club Optique et Micro-Ondes (JCOM2016), Jun 2016, Nice, France
Conference papers hal-01342225v1
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On Optimizing the Operating Conditions of a Mach-Zehnder Modulator for IR-UWB over Fiber Transmission

H Taki , S Azou , A Hamie , A Al Housseini , A Alaeddine
IEEE Int. Conf. on Digital Information and Communication Technology and its Applications, Apr 2015, Beyrouth, Lebanon
Conference papers hal-01508682v1

Reach Extension of an IR-UWB over Fiber System via OOK Randomization and SOA Amplification

Haidar Taki , Stéphane Azou , Ali Hamié , Ali Al Housseini , Ali Alaeddine
IEEE European Conf. on Networks and Communications (EUCNC), Jun 2015, Paris, France
Conference papers hal-01508685v1

Compensation d’effets non-linéaires au sein d’un transmetteur optique CO-OFDM par pré-distorsion numérique en bande de base

Stéphane Azou , Serban Bejan , Pascal Morel , Chérif El Valid Diouf , Mihai Telescu
Journées Nationales d'Optique Guidée, Optique Bretagne 2015, Jul 2015, Rennes, France
Conference papers hal-01342199v1

A comparative study of nonlinear companding schemes for CO-OFDM transmissions

Stéphane Azou , Serban Bejan , Pascal Morel , Ammar Sharaiha
13th International Conference on Optical Communications and Networks (ICOCN), Nov 2014, Suzhou, China
Conference papers hal-01131924v1
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An algorithm for extremal eigenvectors computation of Hermitian matrices and its FPGA implementation

Guillaume Lucius , Frédéric Le Roy , Denis Aulagnier , Stéphane Azou
IEEE International Midwest Symposium on Circuits and Systems (MWSCAS 2013), Aug 2013, Columbus, OH, United States. ⟨10.1109/MWSCAS.2013.6674920⟩
Conference papers hal-01508692v1

Blind Algorithms for Timing Acquisition of Impulse Radio UWB Communications

Stéphane Azou , Emanuel Radoi
IEEE Communications 2012, Jun 2012, Bucarest, Romania
Conference papers hal-00714103v1
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Energy Detection based Blind Synchronization for Pulse Shape Modulated IR-UWB Systems

Rizwan Akbar , Emanuel Radoi , Stéphane Azou
The 22nd IEEE Symposium on Personal, Indoor, Mobile and Radio Communications (PIMRC 2011), Sep 2011, Toronto, Canada. pp.1-5
Conference papers hal-00657668v1
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Conception d'une forme d'onde IR-UWB optimisée et analyse de ses performances dans le canal IEEE 802.15.3a

Rizwan Akbar , Emanuel Radoi , Stéphane Azou
MajecSTIC'10, Oct 2010, Bordeaux, France. pp.1-8
Conference papers hal-00562663v1

Maximum Likelihood and Orthogonal Subspace based approach for Improved IR-UWB Channel Estimation

Rizwan Akbar , Emanuel Radoi , Stéphane Azou
EUSIPCO 2010, Aug 2010, Aalborg, Denmark. pp.1-5
Conference papers hal-00485719v1

On joint acoustic communication and positioning through MFSK-modulated signals and Costas arrays

Sébastien Pennec , Gildas Touin , Stéphane Azou , Ludovic Collin
IEEE OCEANS'10, May 2010, Sydney, Australia. pp.1-5
Conference papers hal-00485451v1

Experimental results of a joint communication and positioning system based on MFSK signals

Sébastien Pennec , Gildas Touin , Stéphane Azou , Ludovic Collin
ECUA 2010, Jul 2010, Istanbul, Turkey. pp.1-6
Conference papers hal-00491662v1

On blind estimation of the parameters for an Ultra Wideband communication signal

Mihai Stanciu , Stéphane Azou
IEEE COMM'08, Jun 2008, Bucarest, Romania. pp.297-300
Conference papers hal-00485426v1

Blind Modulation Recognition for MIMO communications

Vincent V. Choqueuse , Stéphane Azou , Koffi Clément Yao , Ludovic Collin , Gilles Burel
IEEE Communication Conference, Jun 2008, Bucarest, Romania. pp.Non renseigne
Conference papers hal-00518576v1
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Modulation Recognition for MIMO Communications

Vincent V. Choqueuse , Stéphane Azou , Koffi Clément Yao , Ludovic Collin , Gilles Burel
IEEE COMM'08, Jun 2008, Bucarest, Romania. pp.283-286
Conference papers hal-00485432v1
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Pseudo-blind demodulation of chaotic DS-SS signals through Exact Kalman Filtering

Mihai Bogdan Luca , Stéphane Azou , Emanuel Hodina , Alexandru Serbanescu , Gilles Burel
IEEE Communications 2006, Jun 2006, Bucarest, Romania
Conference papers hal-00485412v1

A Complete Receiver Solution for a Chaotic Direct Sequence Spread Spectrum Communication System

Mihai Bogdan Luca , S Azou , Gilles Burel , Alexandru Serbanescu
IEEE Int. Symp. on Circ. and Syst., May 2005, Kobe, Japan. ⟨10.1109/ISCAS.2005.1465461⟩
Conference papers hal-01508707v1
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Multipath Combining in Chaotic Direct-Sequence Spread Spectrum Communications through Dual Estimation

S Azou , Mihai Bogdan Luca , Gilles Burel , Alexandru Serbanescu
Oceans'2005 Europe, Jun 2005, Brest, France. ⟨10.1109/OCEANSE.2005.1511785⟩
Conference papers hal-01508700v1
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Automatic Gain Control in a Kalman Filter Based Synchronization Chaotic Receiver

S Azou , Mihai Bogdan Luca , Gilles Burel
IEEE Communications 2004, Jun 2004, Bucarest, Romania
Conference papers hal-01508715v1
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A New Compression Method using a Chaotic Symbolic Approach

Mihai Bogdan Luca , Alexandru Serbanescu , Stéphane Azou , Gilles Burel
IEEE Communications, Jun 2004, Bucarest, Romania
Conference papers hal-01508717v1
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Transmissions acoustiques sous marines furtives basées sur un étalement de spectre à codes chaotiques

Stéphane Azou , Gilles Burel
7th French Workshop on Underwater Acoustics (JASM 04), Oct 2004, Brest, France
Conference papers hal-03224047v1
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Design of a variable rate algorithm for CS-ACELP coder

Guillaume Madre , El Houssaïn Baghious , S Azou , Gilles Burel
38th annual IEEE International Conference on Communications (ICC 2003), May 2003, Anchorage, AK, United States. ⟨10.1109/ICC.2003.1204246⟩
Conference papers hal-01508728v1
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Sea trial results of a chaotic direct-sequence spread spectrum underwater communication system

S Azou , Gilles Burel , L Le Duff , C Pistre
IEEE Oceans, Sep 2003, San Diego, CA, United States. pp.1539-1546, ⟨10.1109/OCEANS.2003.178097⟩
Conference papers hal-01508722v1
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Linear Predictive Speech Coding using Fermat Number Transform

Guillaume Madre , El Houssaïn Baghious , S Azou , Gilles Burel
EURASIP Conf. on Multimedia Communications and Speech Processing, Jul 2003, Zagreb, Croatia. ⟨10.1109/VIPMC.2003.1220530⟩
Conference papers hal-01508726v1
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Fast pitch modelling for CS-ACELP coder using Fermat Number Transforms

Guillaume Madre , El Houssaïn Baghious , S Azou , Gilles Burel
IEEE International Symposium on Signal Processing and Information Technology (ISSPIT), Dec 2003, Darmstadt, Germany. pp.765-768, ⟨10.1109/ISSPIT.2003.1341233⟩
Conference papers hal-01508725v1
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A New Receiver for Chaotic Digital Transmissions: The Symbolic Matching Approach

Gilles Burel , Stéphane Azou
WSEAS Int. Conf. On Telecommunications and Informatics, Sep 2003, New York, United States
Conference papers hal-03223380v1
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Interception and Furtivity of Digital Transmissions

Gilles Burel , André Quinquis , Stéphane Azou
IEEE-Communications 2002, Dec 2002, Bucharest, Romania
Conference papers hal-00518865v1
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Design of a demodulator in a chaos-based spread spectrum communication system using dual Unscented Kalman Filters

S Azou , Gilles Burel
IEEE Communications'2002, IEEE, Dec 2002, Bucarest, Romania
Conference papers hal-01508732v1
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A robust synchronisation procedure for blind estimation of the symbol period and the timing offset in spread spectrum transmissions

Céline Bouder , S Azou , Gilles Burel
IEEE International Symposium on Spread Spectrum Techniques and Applications (ISSSTA2002), Sep 2002, Prague, Czech Republic. pp.238-241, ⟨10.1109/ISSSTA.2002.1049322⟩
Conference papers hal-01508735v1
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A Chaotic Direct-Sequence Spread-Spectrum System for Underwater Communication

Stéphane Azou , Gilles Burel , Christine Pistre
IEEE Oceans 2022, Oct 2002, Biloxi, United States. pp.2409-2415, ⟨10.1109/OCEANS.2002.1192004⟩
Conference papers hal-01508730v1

Synchronisation d'un récepteur Chaos Shift Keying par filtrage Unscented Kalman

Stéphane Azou , Sébastien Le Goff , El Houssaïn Baghious , Gilles Burel
RTCLF 2001, Sep 2001, Paris, France
Conference papers hal-03223379v1

Introduction de la transformée en nombres entiers pour des applications de traitement de signal

Guillaume Madre , El Houssaïn Baghious , Stéphane Azou , Ahmed Boumezzough , Gilles Burel
Réunion des Théoriciens des Circuits de Langue Française (RTCLF’01), Sep 2001, Paris, France
Conference papers hal-04053919v1
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On spatial uncertainty in a surface long baseline positioning system

Ludovic Collin , S Azou , Koffi Clément Yao , Gilles Burel
Fifth European Conference on Underwater Acoustics, ECUA 2000, Jul 2000, Lyon, France
Conference papers hal-01508737v1
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Base longue de surface et filtrage non-linéaire pour une localisation sous-marine précise

Ludovic Collin , Stéphane Azou , Koffi Clément Yao , Gilles Burel
Réunion des Théoriciens des Circuits de Langue Française (RTCLF’99), Oct 1999, Metz, France
Conference papers hal-04053904v1
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Analyse automatique d’une transmission numérique

Céline Bouder , Gilles Burel , Stéphane Azou
GRETSI 1999, Sep 1999, Vannes, France. pp. 761-764
Conference papers hal-03224051v1
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Détermination automatique des paramètres d’une transmission numérique

Céline Bouder , Gilles Burel , Stéphane Azou
Réunion des Théoriciens des Circuits de Langue Française (RTCLF’98), Oct 1998, Brest, France. pp.21-22
Conference papers hal-04053880v1