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Researcher identifiers

Number of documents

13

Professor (Signal and communications departement)


Work Experience


  • Dec. 2001-Present - IMT Atlantique: Associate professor in signal processing and digital communications.
  • Oct.-Nov. 2001 - IMT Atlantique:  Research engineer, Research on forward error correcting codes for Watermarking
  •  Oct. 1998-Sept. 2001 - IMT Atlantique: PhD Student, PhD thesis entitled "Optimization of turbo codes for high spectral efficiency communications".
  • Mar.-Aug. 1998 - Orange Labs, Lannion, France: Internship Student, Internship in the field of Asymmetric digital subscriber lines (ADSL).


Education
 

  • May 2014 - Université de Bretagne Occidentale (ED SICMA) - Accreditation to supervise research (HDR)
  • Dec. 2001 - Université de Rennes 1 - Doctorate in Signal, Telecommunication, Image and Radar
  • 1998 - Université de Rennes 1 - Research Master degree in Signal, Telecommunication, Image and Radar
  • 1998 - IMT Atlantique (ex-Télécom Bretagne) - Engineer's degree


Research Activities

  • Topics: signal processing for digital communications
  • Keywords: wireless communications, power line communications, MIMO systems, iterative receivers, predistortion, detection and equalization, linear precoding, CPM
  • PhD students (co-)supervision - 15 with 4 PhD theses in progress


Teaching (Research master and engineering school students)

  • mathematics (analysis, linear algebra, probabilities, stochastic processes, optimization),
  • signal processing and digital communications (basics and advanced) -


Christophe Laot   

Journal articles1 document

  • 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⟩

Conference papers10 documents

  • 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⟩
  • 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⟩
  • 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⟩
  • 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⟩
  • Abdelhakim Youcef, Christophe Laot, Karine Amis Cavalec. Adaptive frequency-domain equalization for underwater acoustic communications. Oceans 2011, Jun 2011, Santander, Spain. ⟨hal-02276898⟩
  • 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⟩
  • 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⟩
  • 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⟩
  • 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⟩
  • 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⟩

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⟩