christophe Laot
Présentation
Publications
Publications
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A New Adaptive Stopping Criterion for Sparse Channel Estimation in MIMO-OFDM Underwater Acoustic CommunicationsOCEANS 2025 Brest, IEEE; MTS, Jun 2025, Brest, France. pp.1-7, ⟨10.1109/OCEANS58557.2025.11104647⟩ |
Massive MIMO Channel Model for Underwater Acoustic CommunicationsOCEANEXT 2024, Jun 2024, NANTES, France |
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Compressed Sensing for MIMO-OFDM Underwater Acoustic Channel Single-Block Estimation2024 Seventh Underwater Communications and Networking Conference (UComms), Sep 2024, Sestri Levante, Italy. ⟨10.1109/UComms64662.2024.10847984⟩ |
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Sécuriser les transmissions acoustiques sous-marines en s’inspirant de la physique de propagationSERENADE (Surveillance, Etude et Reconnaissance de l’Environnement mariN par Acoustique Discrète), Jun 2024, Toulon, France |
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Channel Model for Massive MIMO Shallow Underwater Acoustic CommunicationsOCEANS 2024 - SINGAPORE, Apr 2024, Singapour, Singapore. pp.1-6, ⟨10.1109/OCEANS51537.2024.10706263⟩ |
Optimization of Underwater Acoustic Communication Parameters for a Swarm of AUVsSea Tech Week, Sep 2022, Brest, France |
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Adaptive optimization of OFDM Underwater Acoustic Communication parameters based on on-board channel simulationsUACE 2021: 6th Underwater Acoustics Conference & Exhibition, Jun 2021, (Virtuel), Greece. pp.030001, ⟨10.1121/2.0001498⟩ |
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Two-Dimensional Spreading waveform for Adaptive Rate Acoustic Underwater CommunicationIEEE Oceans 2021, Sep 2021, San Diego, United States. ⟨10.23919/OCEANS44145.2021.9705842⟩ |
AIS Relay for Autonomous Underwater Vehicle using an Adaptive Bit Rate Multi-Carrier Spread Spectrum ModemSea Tech Week, Oct 2020, Brest, France |
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Robust OFDM Modem for a Swarm of Underwater Autonomous VehiclesIEEE Oceans 2019, Jun 2019, Marseille, France. ⟨10.1109/OCEANSE.2019.8867069⟩ |
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Synchronisation trame dans un contexte multicapteurs pour communication acoustique sous-marineGRETSI 2019, Aug 2019, Lille, France |
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Frame Detection and Synchronization for a SIMO Receiver in presence of Doppler Shift for Underwater Acoustic CommunicationsIEEE Oceans 2019, Jun 2019, Marseille, France. ⟨10.1109/OCEANSE.2019.8867462⟩ |
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Q-Learning Based Adaptive Channel Selection for Underwater Sensor NetworksUnderwater Communications and Networking, Aug 2018, Lerici, Italy |
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Carrier Phase Synchronization Techniques at Very Low SNR for Deep Space MissionsSPACEOPS 2018 : The 15th International Conference on Space Operations, May 2018, Marseille, France. ⟨10.2514/6.2018-2398⟩ |
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Timing recovery scheme for multi-antenna receiver in presence of Doppler shiftICT 2018 : International Conference on Telecommunication, Jun 2018, Saint-Malo, France. ⟨10.1109/ICT.2018.8464943⟩ |
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Widely Linear SC-FDE Systems for Underwater Acoustic Communication: Experimental ResultsOCEANS 2016 - Monterey : MTS/IEEE international conference, Sep 2016, Monterey, United States. pp.1 - 4, ⟨10.1109/OCEANS.2016.7761177⟩ |
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Distributed Power Allocation Strategy in Shallow Water Acoustic Interference ChannelsSPAWC 2016 : IEEE 17th International Workshop on Signal Processing advances in Wireless Communications, Jul 2016, Edinburgh, United Kingdom. pp.1 - 5, ⟨10.1109/SPAWC.2016.7536793⟩ |
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Performance analysis of GMSK Carrier synchronization loop phase detector at very low SNRTTC 2016: 7th ESA International Workshop on Tracking, Telemetry and Command Systems for Space Applications, Sep 2016, Noordwijk, Netherlands |
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Joint Equalization and Decoding Scheme Using Modified Spinal Codes for Underwater CommunicationsOCEANS 2016 - Monterey : MTS/IEEE international conference, Sep 2016, Monterey, United States. pp.1 - 6, ⟨10.1109/OCEANS.2016.7761418⟩ |
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Power-Efficient Spectrum Sharing for Noncooperative Underwater Acoustic Communication SystemsOCEANS 2016 - Monterey : MTS/IEEE international conference, Sep 2016, Monterey, United States. pp.1 - 6, ⟨10.1109/OCEANS.2016.7761437⟩ |
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Nonlinear Analysis of GMSK Carrier Phase Decovery LoopISIVC 2016 : International Symposium on Signal, Image, Video and Communications, Nov 2016, Tunis, Tunisia. pp.230 - 235, ⟨10.1109/ISIVC.2016.7893992⟩ |
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Adaptive Power Allocation for Noncooperative OFDM Systems in UWA Interference ChannelsUComms 2016 : Underwater Communications and Networking conference, Aug 2016, Lerici, Italie. pp.1 - 5, ⟨10.1109/UComms.2016.7583460⟩ |
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Simulation de canaux acoustiques sous-marins par rejeu stochastique paramétriqueGRETSI 2015 : 25ème colloque du Groupement de Recherche en Traitement du Signal et des Images, Sep 2015, Lyon, France |
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Stochastic Replay of SIMO Underwater Acoustic Communication ChannelsOCEANS 2015 - Washington : MTS/IEEE international conference, Oct 2015, Washington, United States. pp.1 - 6 |
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Quadratic Chirp Modulation for Underwater Acoustic Digital CommunicationsOCEANS 2015 - Genova : MTS/IEEE international conference, May 2015, Gênes, Italy. pp.1 - 7, ⟨10.1109/OCEANS-Genova.2015.7271558⟩ |
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Multiple-input hybrid frequency-time domain DFE over time-varying rayleigh-fading channelDAT 2014 : 6ème séminaire sur les systèmes de Detection : Architectures et Technologies, Feb 2014, Alger, Algeria |
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A Parametric Replay-Based Framework for Underwater Acoustic Communication Channel SimulationUComms 2014 : Underwater Communications and networking, Sep 2014, Sestri Levante, Italy. ⟨10.1109/UComms.2014.7017148⟩ |
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TDMA based MAC Transmission Schedules in Multihop Grid Ad hoc Underwater Acoustic NetworksUComms 2014 : underwater communications conference, Sep 2014, Sestri Levante, Italy. ⟨10.1109/UComms.2014.7017131⟩ |
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Single Carrier Frequency Division Multiple Access for Underwater Acoustic CommunicationsUA 2013 : 1st international conference on Underwater Acoustics, Jun 2013, Island Of Corfu, Greece |
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Réduction des interférences entre sous-porteuses dans les systèmes OFDM fenêtrés sur canal acoustique sous-marinGRETSI 2013 : 24ème colloque du Groupement de Recherche en Traitement du Signal et des Images, Sep 2013, Brest, France |
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A robust OFDM Modem for Underwater Acoustic CommunicationsOceans 2013 : MTS/IEEE conference, Jun 2013, Bergen, Norway. pp.1 - 5, ⟨10.1109/OCEANS-Bergen.2013.6608003⟩ |
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Effective Soft Decision Feedback Equalizer for Channels with Low SNR in Underwater Acoustic CommunicationsOceans 2013 : MTS/IEEE conference, Jun 2013, Bergen, Norway |
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Version adaptative d'un égaliseur DFE hybride en bloc utilisant la technique Overlap and SaveGRETSI 2013 : 24ème colloque du Groupement de Recherche en Traitement du Signal et des Images, Sep 2013, Brest, France |
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A Self-reconfiguring Constant Modulus Algorithm for Proper Polarization Demultiplexing in Coherent Optical ReceiversOFC 2012: Optical Fiber Communication Conference, Mar 2012, Los Angeles, États-Unis |
An overview of project COMPOUND : Cooperative communications and positioning in mobile underwater networksFutur Nework & mobile summit, Jul 2012, Berlin, Germany |
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Multiple-input hybrid frequency-time domain adpative decision feedback equalization for underwater acoustic digital communications11th European Conference on Underwater Acoustics (ECUA 2012), Jul 2012, Edimbourg, United Kingdom |
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Achievable Rates of Underwater Acoustic OFDM Systems over Highly Dispersive ChannelsEuropean Conference on Underwater Acoustics, Jul 2012, Edinburgh, United Kingdom. pp.1-8 |
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Advantages of pulse-shaping applied to OFDM systems over underwater acoustic channelsOceans 2012: MTS/IEEE conference, Oct 2012, Hampton Road, Va, United States. pp.1 - 7, ⟨10.1109/OCEANS.2012.6404831⟩ |
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Adaptive blind estimation of sparse SIMO channelsWOSSPA 2011: 7th International Workshop on Systems, Signal Processing and their Applications, May 2011, Tipaza, Algeria |
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Acoustic modem performance assessment via stochastic replay of at sea recorded underwater acoustic communication channels4th UAM Conference : Underwater Acoustic Measurements, Jun 2011, Island Of Kos, Greece |
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Le canal de communication acoustique sous-marin : point de vue de la théorie de l'information23ème colloque GRETSI, Sep 2011, Bordeaux, France |
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Adaptive frequency-domain equalization for underwater acoustic communicationsOceans 2011, Jun 2011, Santander, Spain |
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Adaptive MMSE turbo equalization with high-order modulations and spatial diversity applied to underwater acoustic communicationsEuropean Wireless 2011, Apr 2011, Vienne, Austria |
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Adaptive single-carrier frequency-domain equalization for 100G coherent optical communicationsSPPCom: Signal Processing in Photonics Communications, Jun 2011, Toronto, Canada |
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On the capacity of the underwater acoustic communication channel under realistic assumptionsIEEE European Wireless, Apr 2011, Vienne, Austria |
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Adaptive MMSE Turbo equalization usign high order modulation : experimental results on underwater acoustic channelUAM 2011 : 4th Underwater acoustic conference, Jun 2011, Kos Island, Greece |
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Check and validate reed solomon block turbo codes in shallow underwater acoustic communicationOceans '10, May 2010, Sydney, Australia |
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Experimental results on MMSE turbo equalization in underwater acoustic communication using high order modulationOceans'10, Sep 2010, Seattle, United States |
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Improvement of underwater acoustic communication using reed solomon bloc turbo codesISTC 2010 : 6th International symposium on turbo codes, Sep 2010, Brest, France |
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Underwater acoustic communication using reed solomon block turbo codes channel coding to transmit images and speechOceans'10, Sep 2010, Seattle, United States |
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A maximum entropy framework for statistical modeling of underwater acoustic communication channelsIEEE Oceans 2010, May 2010, Sydney, Australia |
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Experimental results on adaptative MMSE turbo equalization in shallow underwater acoustic communicationOceans'10, May 2010, Sydney, Australia |
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Shallow water acoustic communications : how far are we from the channel capacity ?European Conference on Underwater Acoustics, Jul 2010, Istanbul, Turkey |
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Blind DFE based on NLMS algorithm with generalized normalized gradient descent regularizationOcean's 2009, Oct 2009, Biloxi, United States |
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Characterisation of time-varying underwater acoustic communication channel with application to channel capacityUnderwater Acoustic Measurements, Jun 2009, Nafplion, Greece |
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ROSE : development and demonstration of a "mobile Response Observatory" prototype for subsea environmental monitoringOceans'2009, May 2009, Bremen, Germany |
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Extended linear phase detector characteristic of a software PLLISCCSP 2008 : 3rd International Symposium on Communications, Control and Signal Processing, march 12-14, St Julians, Malte, Mar 2008, St Julians, Malta. pp.62 - 67, ⟨10.1109/ISCCSP.2008.4537193⟩ |
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MMSE turbo equalization using a low complexity series expansion to approximate the matrix inversion in frequency selective MIMO channels5th international symposium on Turbo Codes & related topics, 1-5 septembre, Lausanne, Suisse, Sep 2008, Lausanne, Switzerland |
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Blind doppler compensation scheme for single carrier digital underwater communicationsOceans 2008, 15-18 September, Quebec city, Canada, Sep 2008, Quebec, Canada |
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Efficient frequency-domain MMSE turbo equalization derivation and performance comparison with the time-domain counterpartICWMC'07 : proceedings of the third international conference on wireless and mobile communications, 4-7 mars, Guadeloupe, France, Mar 2007, Guadeloupe, France. pp.65 -, ⟨10.1109/ICWMC.2007.38⟩ |
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Non data aided timing recovery algorithms for digital underwater acoustic communicationsOCEANS'07, June 18-21, Aberdeen, Scotland, Jun 2008, Aberden, United Kingdom |
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Efficient frequency-domain MMSE turbo equalization derivation and performance comparison with the time-domain counterpartICWMR 2007 : International Conference on Wireless and Mobile Communications, March 4-9, Guadeloupe, French Caribbean, Mar 2007, Guadeloupe, Ecuador |
Frequency-domain turbo equalization for OFDM and single-carrier transmission in ST-BICM systemsGLOBECOM'07, Nov 2007, Washington, United States. pp.3421-3426 |
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Improved AUV autonomy provided by an underwater acoustic linkInternational Society of Offshore and Polar Engineers, ISOPE 2006, San Francisco, USA - 28 mai-2 juin, May 2007, San Fransisco, États-Unis |
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Implementation of a blind adaptive decision feedback equalizerEUSIPCO 06 : 14th European Signal Processing Conference, September 4-8, Florence, Italy, Sep 2006, Florence, Italie |
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Performance validation for MMSE turbo equalization in ST-BICM systemsVTC 2006 Fall : 64th IEEE Vehicular Technology Conference, September 25-28, Montreal, Canada, May 2006, Montreal, Canada |
A closed-Form Solution for the Finite Length Constant Modulus ReceiverISIT 3005, Adelaide, Australia, September 4-9, Sep 2005, Adelaide, Australie |
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Infinite-Lengh implementation of linear chip-level equalizer by bling recursive filtering for the DS-CDMA downlinkICC 2004 Paris, Jun 2004, Paris, France |
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Comparaison des turbo-égaliseurs MAP et MMSE pour récepteur à antennes multiples2nd International Symposium on Image/Video Communications ISIVC'04, Jul 2004, Brest, France |
Real-time MMSE Turbo-equalization on the TMS302C5509 fixed-point DSPIEEE International Conference on Acoustics, Speech and Signal Processing ICASSP 2004, May 2004, Montreal, Canada. pp.V-325 - V-328, ⟨10.1109/ICASSP.2004.1327113⟩ |
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Improved bit error probability estimation for DS-CDMA downlink equalizer-based receivers with small spreading factorsICT 2003 : 10th international conference on telecommunications, February 23-March 1, Tahiti, French Polynesia, Feb 2003, Tahiti, Polynésie française. pp.877 - 881, ⟨10.1109/ICTEL.2003.1191523⟩ |
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Egalisation itérative pour les transmissions multicodes de la liaison descendante de l'UMTS-FDDGRETSI 2003 : 19ème colloque sur le traitement du signal et des images, Paris, 8-11 septembre, Sep 2003, Paris, France |
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Fixed-Point Implementation of an Efficient Low-Complexity Turbo-Equalization Scheme3rd International Symposium on Turbo-Codes and Related Topics, Sep 2003, Brest, France. pp.415-418 |
Amélioration des performances du RAKE par pré-filtrage adaptatif autodidacte pour la liaison descendante de l'UMTS-FDDGRETSI 2003 : 19ème colloque sur le traitement du signal et des images, Paris, 8-11 septembre, Sep 2003, Paris, France |
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Which interleaver for Turbo-equalization system on frequency and time selective channels for high order modulations?IEEE Workshop on Signal Processing Advances in Wireless Communications, 2003 SPAWC, Jun 2003, Rome, Italy. pp.673-677 |
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Iterative channel equalization for the multicodeVTC 2003 Spring : the 57th IEEE Semiannual Vehicular Technology Conference, Apr 2003, Jeju, Corée du Sud. pp.1857 - 1861 |
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Egaliseur autodidacte à retour de décisions à configuration variable : comparaisons entre algorithme "itératif" et "bloc".GRETSI 2003 : 19e colloque GRETSI sur le traitement du signal et des images, 8-11 septembre, Paris, France, Sep 2003, Paris, France |
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A chip-interleaving pattern retaining orthogonality in DS-CDMA systems : application to the multicode downlinkIEEE VTC 2003 (IEEE Vehicular Technology Conference) - Fall, Orlando (USA), 4-9 oct. 2003, Oct 2003, Fall, États-Unis. pp.1857 - 1861, ⟨10.1109/VETECF.2003.1285960⟩ |
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Multiple-Input turbo equalization over time-varying frequency selective channelEUSIPCO 2002 : 11th European Signal Conference, Sep 2002, Toulouse, France |
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Analyse de la convergence en turbo-détection18e Colloque GRETSI sur le Traitement du Signal et des Images, Toulouse, France, 10-13 Septembre 2001, Sep 2001, Toulouse, France |
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Analyse de la convergence en turbo-détectionGRETSI 2001: 18eme colloque sur le traitement du signal et des images, Sep 2001, Toulouse, France |
Reduced-Complexity Soft Demapping for Turbo-EqualizationInternational Symposium on Turbo Codes ISTC'2000, Sep 2000, Brest, France. pp.515-518 |
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Turbo-égalisation des modulations MAQ-M sur canaux non stationnaires sélectifs en fréquencesGRETSI'99 Symposium, Sep 1999, Vannes, France |
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Blind spatio-temporal Decision Feedback Equalization : a Self Adaptative Structure Approach99 Globecom, Dec 1999, Rio De Janeiro, Brésil. pp.2301 - 2305 |
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Egalisation Autodidacte Adaptative : Application aux Systèmes d'Accès à Répartition dans le tempsGRETSI'99 Symposium, Sep 1999, Vannes, France. pp.1081 - 1084 |
Improved Blind Decision Equalizer with self-adapted structure for High Order QAM signalsProc. ICT, Jun 1999, Chalkidiki, Grèce |
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Turbo-équalization over a frequency selective channel1er Symposium sur les turbo-codes, Sep 1997, Brest, France |
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Une structure universelle pour l'égalisation numérique audidacte adaptativeGRETSI 97, Sep 1997, Grenoble, France |
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Is training of adaptive equalizers still useful ?Globecom'96, Nov 1996, Londres, United Kingdom. pp.968 - 972 |
Détection à décision pondérée sur canal sélectif en fréquence en présence de codage de canalGRETSI'95 : 15e colloque, Sep 1995, Juan-Les-Pins, France. pp.517 - 520 |
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Real time implementation of a low bit rate coder for an acoustic underwater phone on a fixed point DSP 56001ICSPAT '92 : third international conference on signal processing applications and technology, Nov 1992, Boston, United States. pp.921 - 927 |
Codes and Turbo CodesSpringer-Verlag, pp.400, 2010, IRIS international series, 9782817800387 |
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Codes et turbocodes (sous la direction de Claude Berrou)Springer, pp.397, 2007, Iris, Iris, 978-2-287-32739-1 |
Turbodétection et turbo égalisationSignal et Télécom. Sous la dir. de Philippe Loubaton, Hermès, pp.55 - 97, 2004, Traité IC2 : Traitement du signal et de l'image, 2-7462-0823-7 |
Annuleur d'interférences entre symbolesFrance, N° de brevet: 01-13991. 2001 |
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Watermark: bch1 Dataset Description2016 |
Récepteur linéaire pour la liaison descendante de l'UMTS-FDD[Rapport de recherche] Dépt. Signal et Communications (Institut Mines-Télécom-Télécom Bretagne-UEB). 2002 |
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Nouvelles structures d'égalisation linéaire à entrée et sortie pondérée. Application à la turbo égalisation pour les transmissions en mode paquet[Rapport de recherche] Dépt. Signal et Communications (Institut Mines-Télécom-Télécom Bretagne-UEB). 2002 |
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Turbo égalisation apliquée aux réseaux à large bande[Rapport de recherche] Dépt. Signal et Communications (Institut Mines-Télécom-Télécom Bretagne-UEB). 2002 |
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Egaliseur à Retour de Décision Autodidacte (ERDA). Adaptation aux transmissions par paquet court[Rapport de recherche] Dépt. Signal et Communications (Institut Mines-Télécom-Télécom Bretagne-UEB). 2002 |
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Annuleur d'interférences entre symboles[Rapport de recherche] Dépt. Signal et Communications (Institut Mines-Télécom-Télécom Bretagne-UEB); Dépt. Electronique (Institut Mines-Télécom-Télécom Bretagne-UEB). 2002 |
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La turbo détection : principes et performances[Rapport de recherche] Dépt. Signal et Communications (Institut Mines-Télécom-Télécom Bretagne-UEB). 2001 |
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Egaliseur à retour de décision autodidacte adaptatif pour les transmissions en mode paquet[Rapport de recherche] Dépt. Signal et Communications (Institut Mines-Télécom-Télécom Bretagne-UEB); Dépt. Electronique (Institut Mines-Télécom-Télécom Bretagne-UEB). 1999 |
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Portage de logiciels de turbo égalisation dans l'environnement COSSAP[Rapport de recherche] Dépt. Signal et Communications (Institut Mines-Télécom-Télécom Bretagne-UEB). 1999 |
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Les turbo-communications[Rapport de recherche] Dépt. Signal et Communications (Institut Mines-Télécom-Télécom Bretagne-UEB). 1997 |
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Rapport de recherche : structure et performances des récepteurs optimaux en présence de canaux sélectifs en fréquence[Rapport de recherche] Dépt. Signal et Communications (Institut Mines-Télécom-Télécom Bretagne-UEB). 1994, pp.44 |
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Récepteurs pour communications numériques sur canaux sélectifs en fréquencesSciences de l'ingénieur [physics]. UBO Brest, 2009 |