UCL-TELE - Xavier Jaspar

Publications

Short biography

I was born in Ottignies-Louvain-la-Neuve, Belgium in June 1980. I received the Applied Mathematics Engineering degree (summa cum laude) in 2003 and the Ph.D. degree in Telecommunications in 2008 from the Université catholique de Louvain (UCL) Louvain-la-Neuve, Belgium.

I worked on joint source-channel coding in 2002 as a visiting scientist at the Electrical and Computer Engineering Department at McGill University, Montreal, Canada, with Professor Fabrice Labeau. In June 2003, I finished a master thesis on the Joint Source-Channel Turbo-Decoding of Variable Length Coded Sequences and its applications to compressed image transfer, under the supervision of Professor Luc Vandendorpe (Université catholique de Louvain). In April 2008, I finished a Ph.D. thesis in the Communications and Remote Sensing Laboratory, as a research fellow of the F.R.S.-FNRS.

In April 2008, I started as a Signal Processing and Telecommunications consultant at Laborelec, the technical competence centre in energy processes and energy use of Electrabel-Suez.

Ph.D. thesis

Xavier Jaspar, "Joint Source-Channel Turbo Techniques and Variable Length Codes", Ph.D. thesis, Communications and Remote Sensing Laboratory, Université catholique de Louvain, April 2008

Full-text in original one-column format :: Full Ph.D. thesis
Separate Chapters in two-column format (paper saving!) :: Chapter 1 : Introduction; Chapter 2 : Joint Source-Channel Turbo Techniques : a Unified View; Chapter 3 : VLCs, Irregular Turbo Codes : an Example of Synergy; Chapter 4 : Non-Uniform Binary Sources and EXIT charts; Chapter 5 : Performance Analysis of VLCs in Turbo/Concatenated Systems; Chapter 6 : Conclusion

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Journal papers

Xavier Jaspar, Luc Vandendorpe, "Impact of Variable Length Codes on the Interleaving Gain of Turbo Systems: The Concept of Bounded Spectrum", IEEE Transactions on Communications, vol. 59, no. 7, pp. 1796-1806, July 2011

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Xavier Jaspar, Luc Vandendorpe, "Performance Bounds and Distance Spectra of Variable Length Codes in Turbo/Concatenated Systems", IEEE Transactions on Communications, vol. 58, no. 9, pp. 2537-2548, September 2010

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Xavier Jaspar, Luc Vandendorpe, "Random Bit Flipping and EXIT Charts for Nonuniform Binary Sources and Joint Source-Channel Turbo Systems", EURASIP Journal on Advances in Signal Processing, Volume 2009, Article ID 354107, 6 pages

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Xavier Jaspar, Luc Vandendorpe, "Joint Source-Channel Codes based on Irregular Turbo Codes and Variable Length Codes", IEEE Transactions on Communications, vol. 56, no. 11, pp. 1824-1835, November 2008

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Xavier Jaspar, Christine Guillemot, Luc Vandendorpe, "Joint Source-Channel Turbo Techniques for Discrete-Valued Sources: From Theory to Practice", Proceedings of the IEEE, vol. 95, no. 6, pp. 1345-1361, June 2007

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Conference papers

David Van Renterghem, Xavier Jaspar, Benoît Macq, Luc Vandendorpe, "Distributed source coding with optimized irregular turbo codes", ICC 2007, International Conference on Communications, Glasgow (Scotland), June 24-28, 2007

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Harold H. Sneessens, Xavier Jaspar, Cédric Herzet, Luc Vandendorpe, "Calculating turbo-decoding performance characteristics for adaptive channel coding", SPAWC 2007, The IEEE Workshop on Signal Processing Advances in Wireless Communications, Helsinki (Finland), June 17-20, 2007

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Xavier Jaspar, Luc Vandendorpe, "Turbo Techniques for Joint Source-Channel Decoding of Multimedia Content", MOBIMEDIA 2006, 2nd International Mobile Multimedia Communications Conference (MOBIMEDIA, MSAN), Alghero (Italy), September 18-20, 2006

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Xavier Jaspar, Luc Vandendorpe, "Variable Length Codes in Turbo Schemes", JCCC 2006, 15th Joint Conference on Coding and Communications, Sölden (Austria), March 12-18, 2006

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Xavier Jaspar, Luc Vandendorpe, "Design and Performance Analysis of Joint Source-Channel Turbo Schemes with Variable Length Codes", ICC 2005, International Conference on Communications, Seoul (Korea), May 16-20, 2005

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Antoine Dejonghe, Xavier Jaspar, Xavier Wautelet, Luc Vandendorpe, "Turbo-Equalization considering Bit-Interleaved Turbo-Coded Modulation: Performance Bounds", ICC 2005, International Conference on Communications, Seoul (Korea), May 16-20, 2005

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Xavier Jaspar, Luc Vandendorpe, "Performance and Convergence Analysis of Joint Source-Channel Turbo Schemes with Variable Length Codes", ICASSP 2005, International Conference on Acoustics, Speech, and Signal Processing, Philadelphia (USA), vol. 3, pp. 485-488, March 18-23, 2005

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Antoine Dejonghe, Xavier Jaspar, Xavier Wautelet, Luc Vandendorpe, "Assessing the performance of turbo-equalized bit-interleaved turbo-coded modulation", SCVT 2004, Symposium on Communications and Vehicular Technology, Ghent (Belgium), November 9, 2004

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Xavier Jaspar, Luc Vandendorpe, "New Iterative Decoding of Variable Length Codes with Turbo Codes", ICC 2004, IEEE International Conference on Communications, Paris (France), vol. 5, pp. 2606-2610, June 20-24, 2004

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Xavier Jaspar, Luc Vandendorpe, "Three SISO Modules Joint Source-Channel Turbo-Decoding of Variable Length Coded Images", SCC04, 5th International ITG Conference on Source and Channel Coding, Erlangen (Germany), pp. 279-286, Jan. 14-16, 2004

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Master thesis

Xavier Jaspar, "Turbo décodage source-canal conjoints", Master thesis, Communications and Remote Sensing Lab., Université catholique de Louvain, June 2003