Skip to Main content

Keywords

Co-authors

Researcher identifiers

Export Publications

Export the displayed publications:
Number of documents

115

Christophe LAOT - Communications Numériques


Professeur à IMT Atlantique, département Signal et Communications. https://perso.telecom-bretagne.eu/christophelaot/

Responsable de l'activité en communications acoustiques sous-marines.

Animateur de l'axe de recherche Mer du laboratoire CNRS UMR LabSTICC, équipe COM, pôle CACS.

Responsable du groupe régional ouest de la SEE (www.see.asso.fr)

Co-chair of IEEE OES Technology Committee on Underwater Communication, Navigation, and Positioning

Communications  sous-marines – lien vidéo : TB34 - YouTube

Projet FUI COMET - lien vidéo : http://perso.telecom-bretagne.eu/christophelaot/data/Video_COMET.avi

2009 Habilitation à diriger des recherches

1997 Thèse en communications et codage de l'information : «Egalisation autodidacte et turbo égalisation. Application aux canaux sélectifs en fréquences» These.pdf

1992 Mastère Communications, Optique, Formes et Images de l'ENST Bretagne

1991 Ingénieur de l'Ecole FRançaise d'Electronique et d'Informatique (EFREI 1991)


Journal articles17 documents

  • Antony Pottier, François-Xavier Socheleau, Christophe Laot. Quality-of-Service Satisfaction Games for Noncooperative Underwater Acoustic Communications. IEEE Access, IEEE, 2018, ⟨10.1109/ACCESS.2018.2823898⟩. ⟨hal-01761481⟩
  • Said Lmai, Mandar Chitre, Christophe Laot, Sébastien Houcke. Throughput-Efficient Super-TDMA MAC Transmission Schedules in Ad Hoc Linear Underwater Acoustic Networks. IEEE Journal of Oceanic Engineering, Institute of Electrical and Electronics Engineers, 2017, 42 (1), pp.156 - 174. ⟨10.1109/JOE.2016.2537659⟩. ⟨hal-01487046⟩
  • Antony Pottier, François-Xavier Socheleau, Christophe Laot. Robust Noncooperative Spectrum Sharing Game in Underwater Acoustic Interference Channels. IEEE Journal of Oceanic Engineering, Institute of Electrical and Electronics Engineers, 2017, 42 (4), pp.1019-1034. ⟨10.1109/JOE.2017.2731060⟩. ⟨hal-01630275⟩
  • Said Lmai, Mandar Chitre, Christophe Laot, Sébastien Houcke. Throughput-Maximizing Transmission Schedules for Underwater Acoustic Multihop Grid Networks. IEEE Journal of Oceanic Engineering, Institute of Electrical and Electronics Engineers, 2015, 40 (4), pp.853 - 863. ⟨10.1109/JOE.2015.2474455⟩. ⟨hal-01224554⟩
  • François-Xavier Socheleau, Christophe Laot, Jean-Michel Passerieux. Parametric Replay-Based Simulation of Underwater Acoustic Communication Channels. IEEE Journal of Oceanic Engineering, Institute of Electrical and Electronics Engineers, 2015, 40 (4), pp.796 - 806. ⟨10.1109/JOE.2015.2458211⟩. ⟨hal-01224555⟩
  • Said Lmai, Arnaud Bourre, Christophe Laot, Sébastien Houcke. An efficient blind estimation of carrier frequency offset in OFDM system. IEEE Transactions on Vehicular Technology, Institute of Electrical and Electronics Engineers, 2014, 63 (4), pp.1945 - 1950. ⟨10.1109/TVT.2013.2285479⟩. ⟨hal-01188795⟩
  • Jean-Michel Passerieux, François-Xavier Socheleau, Christophe Laot. Achievable Rates over Doubly Selective Rician-Fading Channels under Peak-Power Constraint. IEEE Transactions on Wireless Communications, Institute of Electrical and Electronics Engineers, 2013, 12 (2), pp.586-594. ⟨10.1109/TWC.2012.122212.111812⟩. ⟨hal-00802089⟩
  • François-Xavier Socheleau, Milica Stojanovic, Christophe Laot, Jean-Michel Passerieux. Information-Theoretic Analysis of Underwater Acoustic OFDM Systems in Highly Dispersive Channels. Journal of Electrical and Computer Engineering, Hindawi Publishing Corp., 2012, 2012 (ID 716720), pp.15. ⟨10.1155/2012/716720⟩. ⟨hal-00697027⟩
  • François-Xavier Socheleau, Christophe Laot, Jean-Michel Passerieux. Stochastic replay of non-WSSUS underwater acoustic communication channels recorded at sea. IEEE Transactions on Signal Processing, Institute of Electrical and Electronics Engineers, 2011, 59 (10), pp.4838 - 4849. ⟨hal-00640755⟩
  • Omid Zia-Chahabi, Raphaël Le Bidan, Michel Morvan, Christophe Laot. Efficient frequency-domain implementation of block-LMS/CMA fractionally spaced equalization for coherent optical communications. IEEE Photonics Technology Letters, Institute of Electrical and Electronics Engineers, 2011, 23 (22), pp.1697 - 1699. ⟨10.1109/LPT.2011.2166257⟩. ⟨hal-01196918⟩
  • François-Xavier Socheleau, Christophe Laot, Jean-Michel Passerieux. Concise derivation of scattering function from channel entropy maximization. IEEE Transactions on Communications, Institute of Electrical and Electronics Engineers, 2010, 58 (11). ⟨hal-00565754⟩
  • Nicolas Le Josse, Christophe Laot, Karine Amis Cavalec. Efficient series expansion for Matrix inversion with application to MMSE equalization. IEEE Communications Letters, Institute of Electrical and Electronics Engineers, 2008, 12 (1), pp.35 - 37. ⟨10.1109/LCOMM.2008.071274⟩. ⟨hal-01893758⟩
  • Christophe Laot, Raphaël Le Bidan, Dominique Leroux. Low-complexity MMSE turbo equalization : a possible solution for EDGE. IEEE Transactions on Wireless Communications, Institute of Electrical and Electronics Engineers, 2005, 4 (3), pp.965 - 974. ⟨10.1109/TWC.2005.847095⟩. ⟨hal-01870549⟩
  • Raphaël Le Bidan, Christophe Laot, Dominique Leroux, Annie Godet. Real-time turbo-equalization on the TMS320C5509 - improving the reliability of broadband wireless links. GlobalDSP Magazine, 2004, 3 (3). ⟨hal-02125790⟩
  • Joël Labat, Christophe Laot. Blind adaptive multiple-input decision-feedback equalizer with a self-optimized configuration. IEEE Transactions on Communications, Institute of Electrical and Electronics Engineers, 2001, 49 (4), pp.646 - 654. ⟨10.1109/26.917771⟩. ⟨hal-02133914⟩
  • Christophe Laot, Alain Glavieux, Joël Labat. Turbo equalization : adaptive equalization and channel decoding jointly optimized. IEEE Journal on Selected Areas in Communications, Institute of Electrical and Electronics Engineers, 2001, 19 (9), pp.1744 - 1752. ⟨hal-02132901⟩
  • Joël Labat, Odile Macchi, Christophe Laot. Self Adaptative Decision Feedback Equalization : Can you Skeep the training period ?. IEEE Transactions on Communications, Institute of Electrical and Electronics Engineers, 1998, pp.921 - 930. ⟨hal-01893755⟩

Conference papers82 documents

  • Stéphane Imbert, Guillaume Ansel, Christophe Laot. Frame Detection and Synchronization for a SIMO Receiver in presence of Doppler Shift for Underwater Acoustic Communications. IEEE Oceans 2019, Jun 2019, Marseille, France. ⟨10.1109/OCEANSE.2019.8867462⟩. ⟨hal-02166674⟩
  • Stéphane Imbert, Guillaume Ansel, Christophe Laot. Synchronisation trame dans un contexte multicapteurs pour communication acoustique sous-marine. GRETSI 2019, Aug 2019, Lille, France. ⟨hal-02276169⟩
  • Nicolas Grollier, Guillaume Ansel, Christophe Laot. Robust OFDM Modem for a Swarm of Underwater Autonomous Vehicles. IEEE Oceans 2019, Jun 2019, Marseille, France. ⟨10.1109/OCEANSE.2019.8867069⟩. ⟨hal-02166680⟩
  • Mohamed Amine Jhaidri, Alain Thomas, Christophe Laot. Carrier Phase Synchronization Techniques at Very Low SNR for Deep Space Missions. SPACEOPS 2018 : The 15th International Conference on Space Operations, May 2018, Marseille, France. ⟨10.2514/6.2018-2398⟩. ⟨hal-01814198⟩
  • Antony Pottier, Paul Mitchell, François-Xavier Socheleau, Christophe Laot. Q-Learning Based Adaptive Channel Selection for Underwater Sensor Networks. Underwater Communications and Networking, Aug 2018, Lerici, Italy. ⟨hal-01891656⟩
  • Goulven Eynard, Christophe Laot. Timing recovery scheme for multi-antenna receiver in presence of Doppler shift. ICT 2018 : International Conference on Telecommunication , Jun 2018, Saint-Malo, France. ⟨10.1109/ICT.2018.8464943⟩. ⟨hal-01814199⟩
  • Bruno S. Chang, François-Xavier Socheleau, Christophe Laot. Widely Linear SC-FDE Systems for Underwater Acoustic Communication: Experimental Results. OCEANS 2016 - Monterey : MTS/IEEE international conference, Sep 2016, Monterey, United States. pp.1 - 4, ⟨10.1109/OCEANS.2016.7761177⟩. ⟨hal-01424516⟩
  • Yupeng Tai, Frédéric Guilloud, Christophe Laot, Raphaël Le Bidan, Hai-Bin Wang. Joint Equalization and Decoding Scheme Using Modified Spinal Codes for Underwater Communications. OCEANS 2016 - Monterey : MTS/IEEE international conference, Sep 2016, Monterey, United States. pp.1 - 6, ⟨10.1109/OCEANS.2016.7761418⟩. ⟨hal-01424505⟩
  • Mohamed Amine Jhaidri, Christophe Laot, Alain Thomas. Nonlinear Analysis of GMSK Carrier Phase Decovery Loop. ISIVC 2016 : International Symposium on Signal, Image, Video and Communications, Nov 2016, Tunis, Tunisia. pp.230 - 235, ⟨10.1109/ISIVC.2016.7893992⟩. ⟨hal-01514643⟩
  • Antony Pottier, François-Xavier Socheleau, Christophe Laot. Power-Efficient Spectrum Sharing for Noncooperative Underwater Acoustic Communication Systems. OCEANS 2016 - Monterey : MTS/IEEE international conference, Sep 2016, Monterey, United States. pp.1 - 6, ⟨10.1109/OCEANS.2016.7761437⟩. ⟨hal-01424511⟩
  • Antony Pottier, François-Xavier Socheleau, Christophe Laot. Distributed Power Allocation Strategy in Shallow Water Acoustic Interference Channels. SPAWC 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⟩. ⟨hal-01369655⟩
  • Mohamed Amine Jhaidri, Alain Thomas, Christophe Laot. Performance analysis of GMSK Carrier synchronization loop phase detector at very low SNR. TTC 2016 : 7th ESA International Workshop on Tracking, Telemetry and Command Systems for Space Applications, Sep 2016, Noordwijk, Netherlands. ⟨hal-01522672⟩
  • Antony Pottier, François-Xavier Socheleau, Christophe Laot. Adaptive Power Allocation for Noncooperative OFDM Systems in UWA Interference Channels. UComms 2016 : Underwater Communications and Networking conference, Aug 2016, Lerici, Italie. pp.1 - 5, ⟨10.1109/UComms.2016.7583460⟩. ⟨hal-01514722⟩
  • François-Xavier Socheleau, Antony Pottier, Christophe Laot. Stochastic Replay of SIMO Underwater Acoustic Communication Channels. OCEANS 2015 - Washington : MTS/IEEE international conference, Oct 2015, Washington, United States. pp.1 - 6. ⟨hal-01343440⟩
  • Andrés Nicolás Carvallo Pecci, Christophe Laot, Arnaud Bourre. Quadratic Chirp Modulation for Underwater Acoustic Digital Communications. OCEANS 2015 - Genova : MTS/IEEE international conference, May 2015, Gênes, Italy. pp.1 - 7, ⟨10.1109/OCEANS-Genova.2015.7271558⟩. ⟨hal-01236731⟩
  • François-Xavier Socheleau, Christophe Laot, Jean-Michel Passerieux. Simulation de canaux acoustiques sous-marins par rejeu stochastique paramétrique. GRETSI 2015 : 25ème colloque du Groupement de Recherche en Traitement du Signal et des Images, Sep 2015, Lyon, France. ⟨hal-01224780⟩
  • Abdelhakim Youcef, Christophe Laot, Karine Amis Cavalec. Multiple-input hybrid frequency-time domain DFE over time-varying rayleigh-fading channel. DAT 2014 : 6ème séminaire sur les systèmes de Detection : Architectures et Technologies, Feb 2014, Alger, Algeria. ⟨hal-00966478⟩
  • Said Lmai, Mandar Chitre, Christophe Laot, Sébastien Houcke. TDMA based MAC Transmission Schedules in Multihop Grid Ad hoc Underwater Acoustic Networks. UComms 2014 : underwater communications conference, Sep 2014, Sestri Levante, Italy. ⟨10.1109/UComms.2014.7017131⟩. ⟨hal-01188839⟩
  • François-Xavier Socheleau, Christophe Laot, Jean-Michel Passerieux. A Parametric Replay-Based Framework for Underwater Acoustic Communication Channel Simulation. UComms 2014 : Underwater Communications and networking, Sep 2014, Sestri Levante, Italy. ⟨10.1109/UComms.2014.7017148⟩. ⟨hal-01188803⟩
  • Said Lmai, Arnaud Bourre, Christophe Laot, Sébastien Houcke. Réduction des interférences entre sous-porteuses dans les systèmes OFDM fenêtrés sur canal acoustique sous-marin. GRETSI 2013 : 24ème colloque du Groupement de Recherche en Traitement du Signal et des Images, Sep 2013, Brest, France. ⟨hal-00935222⟩
  • Abdelhakim Youcef, Christophe Laot, Karine Amis Cavalec. Single Carrier Frequency Division Multiple Access for Underwater Acoustic Communications. UA 2013 : 1st international conference on Underwater Acoustics, Jun 2013, Island Of Corfu, Greece. ⟨hal-00856746⟩
  • Arnaud Bourre, Said Lmai, Christophe Laot, Sébastien Houcke. A robust OFDM Modem for Underwater Acoustic Communications. Oceans 2013 : MTS/IEEE conference, Jun 2013, Bergen, Norway. pp.1 - 5, ⟨10.1109/OCEANS-Bergen.2013.6608003⟩. ⟨hal-00935199⟩
  • Xiaoxia Yang, Sébastien Houcke, Christophe Laot, Hai-Bin Wang. Effective Soft Decision Feedback Equalizer for Channels with Low SNR in Underwater Acoustic. Oceans 2013 : MTS/IEEE conference, Jun 2013, Bergen, Norway. ⟨hal-00935451⟩
  • Abdelhakim Youcef, Christophe Laot, Karine Amis Cavalec. Version adaptative d'un égaliseur DFE hybride en bloc utilisant la technique Overlap and Save. GRETSI 2013 : 24ème colloque du Groupement de Recherche en Traitement du Signal et des Images, Sep 2013, Brest, France. ⟨hal-00934305⟩
  • François-Xavier Socheleau, Milica Stojanovic, Christophe Laot, Jean-Michel Passerieux. Achievable Rates of Underwater Acoustic OFDM Systems over Highly Dispersive Channels. European Conference on Underwater Acoustics, Jul 2012, Edinburgh, United Kingdom. pp.1-8. ⟨hal-00697033⟩
  • Said Lmai, Arnaud Bourre, Christophe Laot, Sébastien Houcke. Advantages of pulse-shaping applied to OFDM systems over underwater acoustic channels. Oceans 2012: MTS/IEEE conference, Oct 2012, Hampton Road, Va, United States. pp.1 - 7, ⟨10.1109/OCEANS.2012.6404831⟩. ⟨hal-00822553⟩
  • Abdelhakim Youcef, Christophe Laot, Karine Amis Cavalec. Multiple-input hybrid frequency-time domain adpative decision feedback equalization for underwater acoustic digital communications. European Conference on Underwater Acoustics, Jul 2012, Edimbourg, United Kingdom. ⟨hal-00725036⟩
  • J Gomes, F Pacini, Marco Luise, G. Bacci, L. Sanguinetti, et al.. An overview of project COMPOUND : Cooperative communications and positioning in mobile underwater networks. Futur Nework & mobile summit, Jul 2012, Berlin, Germany. ⟨hal-00737171⟩
  • Omid Zia-Chahabi, Raphaël Le Bidan, Christophe Laot, Michel Morvan. A Self-reconfiguring Constant Modulus Algorithm for Proper Polarization Demultiplexing in Coherent Optical Receivers. OFC 2012: Optical Fiber Communication Conference, Mar 2012, Los Angeles, États-Unis. ⟨hal-00725000⟩
  • Abdeldjalil Aissa El Bey, Karim Abed-Meraim, Christophe Laot. Adaptive blind estimation of sparse SIMO channels. WOSSPA 2011: 7th International Workshop on Systems, Signal Processing and their Applications, May 2011, Tipaza, Algeria. ⟨hal-00609303⟩
  • Jean-Michel Passerieux, François-Xavier Socheleau, Christophe Laot. On the capacity of the underwater acoustic communication channel under realistic assumptions. IEEE European Wireless, Apr 2011, Vienne, Austria. ⟨hal-00609263⟩
  • François-Xavier Socheleau, Jean-Michel Passerieux, Christophe Laot. Acoustic modem performance assessment via stochastic replay of at sea recorded underwater acoustic communication channels. 4th UAM Conference : Underwater Acoustic Measurements, Jun 2011, Island Of Kos, Greece. ⟨hal-00609261⟩
  • Abdelhakim Youcef, Christophe Laot, Karine Amis Cavalec. Adaptive frequency-domain equalization for underwater acoustic communications. Oceans 2011, Jun 2011, Santander, Spain. ⟨hal-02276898⟩
  • Christophe Laot, Arnaud Bourre, Nicolas Beuzelin. Adaptive MMSE Turbo equalization usign high order modulation : experimental results on underwater acoustic channel. UAM 2011 : 4th Underwater acoustic conference, Jun 2011, Kos Island, Greece. ⟨hal-00609249⟩
  • Christophe Laot, Raphaël Le Bidan. Adaptive MMSE turbo equalization with high-order modulations and spatial diversity applied to underwater acoustic communications. European Wireless 2011, Apr 2011, Vienne, Austria. ⟨hal-00673282⟩
  • François-Xavier Socheleau, Jean-Michel Passerieux, Christophe Laot. Le canal de communication acoustique sous-marin : point de vue de la théorie de l'information. 23ème colloque GRETSI, Sep 2011, Bordeaux, France. ⟨hal-00623233⟩
  • Omid Zia-Chahabi, Raphaël Le Bidan, Michel Morvan, Christophe Laot. Adaptive single-carrier frequency-domain equalization for 100G coherent optical communications. SPPCom: Signal Processing in Photonics Communications, Jun 2011, Toronto, Canada. ⟨hal-00673283⟩
  • Christophe Laot, P. Coince. Experimental results on adaptative MMSE turbo equalization in shallow underwater acoustic communication. Oceans'10, May 2010, Sydney, Australia. ⟨hal-00609264⟩
  • Jean-Michel Passerieux, François-Xavier Socheleau, Christophe Laot. Shallow water acoustic communications : how far are we from the channel capacity ?. European Conference on Underwater Acoustics, Jul 2010, Istanbul, Turkey. ⟨hal-00515385⟩
  • François-Xavier Socheleau, Christophe Laot, Jean-Michel Passerieux. A maximum entropy framework for statistical modeling of underwater acoustic communication channels. IEEE Oceans 2010, May 2010, Sydney, Australia. ⟨hal-00515387⟩
  • André Goalic, Joël Trubuil, Christophe Laot. Improvement of underwater acoustic communication using reed solomon bloc turbo codes. ISTC 2010 : 6th International symposium on turbo codes, Sep 2010, Brest, France. ⟨hal-00523105⟩
  • Joël Trubuil, André Goalic, Nicolas Beuzeulin, Christophe Laot. Underwater acoustic communication using reed solomon block turbo codes channel coding to transmit images and speech. Oceans'10, Sep 2010, Seattle, United States. ⟨hal-00540857⟩
  • Joël Trubuil, André Goalic, Nicolas Beuzeulin, Christophe Laot. Check and validate reed solomon block turbo codes in shallow underwater acoustic communication. Oceans '10, May 2010, Sydney, Australia. ⟨hal-00523108⟩
  • Christophe Laot, Nicolas Beuzeulin, Arnaud Bourre. Experimental results on MMSE turbo equalization in underwater acoustic communication using high order modulation. Oceans'10, Sep 2010, Seattle, United States. ⟨hal-00523104⟩
  • Jean Marvaldi, Jacques Legrand, Jean-François Masset, Laurent Delaunay, Michel Nicot, et al.. ROSE : development and demonstration of a "mobile Response Observatory" prototype for subsea environmental monitoring. Oceans'2009, May 2009, Bremen, Germany. ⟨hal-00498420⟩
  • Abderrazek Abdaoui, Christophe Laot. Blind DFE based on NLMS algorithm with generalized normalized gradient descent regularization. Ocean's 2009, Oct 2009, Biloxi, United States. ⟨hal-01893757⟩
  • François-Xavier Socheleau, Jean-Michel Passerieux, Christophe Laot. Characterisation of time-varying underwater acoustic communication channel with application to channel capacity. Underwater Acoustic Measurements, Jun 2009, Nafplion, Greece. ⟨hal-00473702⟩
  • Goulven Eynard, Christophe Laot. Extended linear phase detector characteristic of a software PLL. ISCCSP 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⟩. ⟨hal-02120832⟩
  • Goulven Eynard, Christophe Laot. Non data aided timing recovery algorithms for digital underwater acoustic communications. OCEANS'07, June 18-21, Aberdeen, Scotland, Jun 2008, Aberden, United Kingdom. ⟨hal-02121159⟩
  • Goulven Eynard, Christophe Laot. Blind doppler compensation scheme for single carrier digital underwater communications. Oceans 2008, 15-18 September, Quebec city, Canada, Sep 2008, Quebec, Canada. ⟨hal-02120722⟩
  • Nicolas Le Josse, Christophe Laot, Karine Amis Cavalec. MMSE turbo equalization using a low complexity series expansion to approximate the matrix inversion in frequency selective MIMO channels. 5th international symposium on Turbo Codes & related topics, 1-5 septembre, Lausanne, Suisse, Sep 2008, Lausanne, Switzerland. ⟨hal-02120751⟩
  • Joël Trubuil, Gérard Lapierre, Joël Labat, Nicolas Beuzeulin, André Goalic, et al.. Improved AUV autonomy provided by an underwater acoustic link. International Society of Offshore and Polar Engineers, ISOPE 2006, San Francisco, USA - 28 mai-2 juin, May 2007, San Fransisco, États-Unis. ⟨hal-02122922⟩
  • N. Le Josse, Laurent Boher, Christophe Laot, Karine Amis, Maryline Hélard. Frequency-domain turbo equalization for OFDM and single-carrier transmission in ST-BICM systems. GLOBECOM'07, Nov 2007, Washington, United States. pp.3421-3426. ⟨hal-00401262⟩
  • Karine Amis Cavalec, Nicolas Le Josse, Christophe Laot. Efficient frequency-domain MMSE turbo equalization derivation and performance comparison with the time-domain counterpart. ICWMC'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⟩. ⟨hal-02121663⟩
  • Karine Amis Cavalec, Nicolas Le Josse, Christophe Laot. Efficient frequency-domain MMSE turbo equalization derivation and performance comparison with the time-domain counterpart. ICWMR 2007 : International Conference on Wireless and Mobile Communications, March 4-9, Guadeloupe, French Caribbean, Mar 2007, Guadeloupe, Ecuador. ⟨hal-02121441⟩
  • Nicolas Le Josse, Christophe Laot, Karine Amis Cavalec. Performance validation for MMSE turbo equalization in ST-BICM systems. VTC 2006 Fall : 64th IEEE Vehicular Technology Conference, September 25-28, Montreal, Canada, May 2006, Montreal, Canada. ⟨hal-02122808⟩
  • Goulven Eynard, Christophe Laot. Implementation of a blind adaptive decision feedback equalizer. EUSIPCO 06 : 14th European Signal Processing Conference, September 4-8, Florence, Italy, Sep 2006, Florence, Italie. ⟨hal-02124382⟩
  • Christophe Laot, Nicolas Le Josse. A closed-Form Solution for the Finite Length Constant Modulus Receiver. ISIT 3005, Adelaide, Australia, September 4-9, Sep 2005, Adelaide, Australie. ⟨hal-02125525⟩
  • Christophe Laot, Eric Hardouin. Infinite-Lengh implementation of linear chip-level equalizer by bling recursive filtering for the DS-CDMA downlink. ICC 2004 Paris, Jun 2004, Paris, France. ⟨hal-02127012⟩
  • Raphaël Le Bidan, Christophe Laot, Dominique Leroux. Real-time MMSE Turbo-equalization on the TMS302C5509 fixed-point DSP. IEEE International Conference on Acoustics, Speech and Signal Processing ICASSP 2004, May 2004, Montreal, Canada. pp.V-325 - V-328, ⟨10.1109/ICASSP.2004.1327113⟩. ⟨hal-01872924⟩
  • Christophe Laot, Raphaël Le Bidan, Dominique Leroux. Comparaison des turbo-égaliseurs MAP et MMSE pour récepteur à antennes multiples. 2nd International Symposium on Image/Video Communications ISIVC'04, Jul 2004, Brest, France. ⟨hal-01872923⟩
  • Charlotte Langlais, Pierre-Jean Bouvet, Maryline Hélard, Christophe Laot. 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. ⟨hal-00401682⟩
  • Christophe Laot, Eric Hardouin, Joël Labat. Amélioration des performances du RAKE par pré-filtrage adaptatif autodidacte pour la liaison descendante de l'UMTS-FDD. GRETSI 2003 : 19ème colloque sur le traitement du signal et des images, Paris, 8-11 septembre, Sep 2003, Paris, France. ⟨hal-02128736⟩
  • Raphaël Le Bidan, Christophe Laot, D. Leroux. Fixed-Point Implementation of an Efficient Low-Complexity Turbo-Equalization Scheme. 3rd International Symposium on Turbo-Codes and Related Topics, Sep 2003, Brest, France. pp.415-418. ⟨hal-00917695⟩
  • Eric Hardouin, Christophe Laot. Egalisation itérative pour les transmissions multicodes de la liaison descendante de l'UMTS-FDD. GRETSI 2003 : 19ème colloque sur le traitement du signal et des images, Paris, 8-11 septembre, Sep 2003, Paris, France. ⟨hal-02128749⟩
  • Eric Hardouin, Christophe Laot. Improved bit error probability estimation for DS-CDMA downlink equalizer-based receivers with small spreading factors. ICT 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⟩. ⟨hal-02128497⟩
  • Eric Hardouin, Christophe Laot. Iterative channel equalization for the multicode. VTC 2003 Spring : the 57th IEEE Semiannual Vehicular Technology Conference, Apr 2003, Jeju, Corée du Sud. pp.1857 - 1861. ⟨hal-02134299⟩
  • Sébastien Houcke, Christophe Laot, Joël Labat. 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. ⟨hal-02128818⟩
  • Eric Hardouin, Christophe Laot. A chip-interleaving pattern retaining orthogonality in DS-CDMA systems : application to the multicode downlink. IEEE 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⟩. ⟨hal-02128418⟩
  • Christophe Laot, Raphaël Le Bidan, Dominique Leroux. Multiple-Input turbo equalization over time-varying frequency selective channel. EUSIPCO 2002 : 11th European Signal Conference, Sep 2002, Toulouse, France. ⟨hal-01876231⟩
  • Raphaël Le Bidan, Christophe Laot, Dominique Leroux, Alain Glavieux. Analyse de la convergence en turbo-détection. GRETSI 2001: 18eme colloque sur le traitement du signal et des images, Sep 2001, Toulouse, France. ⟨hal-02138357⟩
  • Raphaël Le Bidan, Christophe Laot, Dominique Leroux, Alain Glavieux. Analyse de la convergence en turbo-détection. 18e Colloque GRETSI sur le Traitement du Signal et des Images, Toulouse, France, 10-13 Septembre 2001, Sep 2001, Toulouse, France. ⟨hal-00110906⟩
  • P. Vila, Inbar Fijalkow, Maryline Hélard, Christophe Laot, D. Le Roux, et al.. Reduced-Complexity Soft Demapping for Turbo-Equalization. International Symposium on Turbo Codes ISTC'2000, Sep 2000, Brest, France. pp.515-518. ⟨hal-00408302⟩
  • Christophe Laot, Alain Glavieux, Joël Labat, Dominique Leroux. Turbo-égalisation des modulations MAQ-M sur canaux non stationnaires sélectifs en fréquences. GRETSI'99 Symposium, Sep 1999, Vannes, France. ⟨hal-02147841⟩
  • Joël Labat, Christophe Laot. Blind spatio-temporal Decision Feedback Equalization : a Self Adaptative Structure Approach. 99 Globecom, Dec 1999, Rio De Janeiro, Brésil. pp.2301 - 2305. ⟨hal-02146220⟩
  • Christophe Laot, Joël Labat. Improved Blind Decision Equalizer with self-adapted structure for High Order QAM signals. Proc. ICT, Jun 1999, Chalkidiki, Grèce. ⟨hal-02149658⟩
  • Joël Labat, Christophe Laot. Egalisation Autodidacte Adaptative : Application aux Systèmes d'Accès à Répartition dans le temps. GRETSI'99 Symposium, Sep 1999, Vannes, France. pp.1081 - 1084. ⟨hal-02147870⟩
  • Joël Labat, Christophe Laot, Odile Macchi. Une structure universelle pour l'égalisation numérique audidacte adaptative. GRETSI 97, Sep 1997, Grenoble, France. ⟨hal-02150338⟩
  • Alain Glavieux, Christophe Laot, Joël Labat. Turbo-équalization over a frequency selective channel. 1er Symposium sur les turbo-codes, Sep 1997, Brest, France. ⟨hal-02150354⟩
  • Joël Labat, Odile Macchi, Christophe Laot, N. Le Squin. Is training of adaptive equalizers still useful ?. Globecom'96, Nov 1996, Londres, United Kingdom. pp.968 - 972. ⟨hal-02158754⟩
  • Christophe Laot, Alain Glavieux. Détection à décision pondérée sur canal sélectif en fréquence en présence de codage de canal. GRETSI'95 : 15e colloque, Sep 1995, Juan-Les-Pins, France. pp.517 - 520. ⟨hal-00725626⟩
  • André Goalic, Christophe Laot, Samir Saoudi. Real time implementation of a low bit rate coder for an acoustic underwater phone on a fixed point DSP 56001. ICSPAT '92 : third international conference on signal processing applications and technology, Nov 1992, Boston, United States. pp.921 - 927. ⟨hal-02160893⟩

Books2 documents

  • Claude Berrou, Karine Amis Cavalec, Matthieu Arzel, Catherine Douillard, Alexandre Graell I Amat, et al.. Codes and Turbo Codes. Springer-Verlag, pp.400, 2010, IRIS international series, 9782817800387. ⟨hal-01170419⟩
  • Claude Berrou, Karine Amis Cavalec, Matthieu Arzel, Catherine Douillard, Alain Glavieux, et al.. Codes et turbocodes (sous la direction de Claude Berrou). Springer, pp.397, 2007, Iris, Iris, 978-2-287-32739-1. ⟨hal-01801570⟩

Book sections1 document

  • Annie Picart, Christophe Laot, Catherine Douillard. Turbodétection et turbo égalisation. Signal 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. ⟨hal-01893761⟩

Patents1 document

  • Christophe Laot, Charlotte Langlais, Maryline Hélard. Annuleur d'interférences entre symboles. France, N° de brevet: 01-13991. 2001. ⟨hal-00402373⟩

Preprints, Working Papers, ...1 document

  • François-Xavier Socheleau, Antony Pottier, Christophe Laot. Watermark: bch1 Dataset Description. 2016. ⟨hal-01404491⟩

Reports10 documents

  • Christophe Laot, Charlotte Langlais, Maryline Hélard. 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. ⟨hal-01893763⟩
  • Christophe Laot, Joël Labat. 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. ⟨hal-01893762⟩
  • Christophe Laot, Eric Hardouin. Récepteur linéaire pour la liaison descendante de l'UMTS-FDD. [Rapport de recherche] Dépt. Signal et Communications (Institut Mines-Télécom-Télécom Bretagne-UEB). 2002. ⟨hal-01893760⟩
  • P. Regalia, Christophe Laot. Turbo égalisation apliquée aux réseaux à large bande. [Rapport de recherche] Dépt. Signal et Communications (Institut Mines-Télécom-Télécom Bretagne-UEB). 2002. ⟨hal-01893754⟩
  • Raphaël Le Bidan, Christophe Laot, Dominique Leroux. 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. ⟨hal-01870548⟩
  • Raphaël Le Bidan, Christophe Laot, Dominique Leroux. La turbo détection : principes et performances. [Rapport de recherche] Dépt. Signal et Communications (Institut Mines-Télécom-Télécom Bretagne-UEB). 2001. ⟨hal-01870550⟩
  • Christophe Laot, Joël Labat, Gilles Ronco, Dominique Degrugillier. 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. ⟨hal-01893756⟩
  • Christophe Laot. Portage de logiciels de turbo égalisation dans l'environnement COSSAP. [Rapport de recherche] Dépt. Signal et Communications (Institut Mines-Télécom-Télécom Bretagne-UEB). 1999. ⟨hal-01893759⟩
  • Christophe Laot, Alain Glavieux, Joël Labat. Les turbo-communications. [Rapport de recherche] Dépt. Signal et Communications (Institut Mines-Télécom-Télécom Bretagne-UEB). 1997. ⟨hal-01893765⟩
  • Alain Glavieux, Christophe Laot. 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. ⟨hal-01893764⟩

Habilitation à diriger des recherches1 document

  • Christophe Laot. Récepteurs pour communications numériques sur canaux sélectifs en fréquences. Sciences de l'ingénieur [physics]. UBO Brest, 2009. ⟨tel-02467768⟩