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| Frédéric Lehmann | ||||||||||||||||||
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| Assistant Professor |
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Research Activities and Curriculum Vitae |
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| Frederic Lehmann received the E.E. degree and the M.S.E.E. degree from ENSERG, France, in 1998. In 2002, he received the PhD in Electrical Engineering from the National Polytechnical Institute, Grenoble (INPG), France. He worked as a Research Engineer with STMicroelectronics from 1999 to 2002. From 2003 to 2004 he was a Post-doctoral Researcher at LAAS (Laboratory for Analysis and Architecture of Systems), CNRS, Toulouse, France. Currently, he is an Assistant Professor at the National Telecommunications Institute, Evry, France. His main research interests are in the area of communication theory, including iterative decoding and non-linear signal processing applied to wireless transmissions. |
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Publications |
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F. Lehmann, Les Systémes de Décodage Itératif et leurs Applications aux Modems Filaires et Non-filaires , INPG Grenoble, France, Dec. 2002.
[J1] D. Laney, G.M. Maggio, F. Lehmann and L. Larson. Multiple access for UWB impulse radio with pseudo-chaotic time hopping, IEEE JSAC, vol. 20, no. 9, pp. 1692-1700, December 2002.[J2] F. Lehmann and G.M. Maggio. Analysis of the iterative decoding of LDPC and product codes using the Gaussian approximation, IEEE Trans. Inf. Theory, vol. 49, no. 11, pp. 2993-3000, November 2003.
[J3] F. Lehmann and G.M. Maggio. Nonlinear analysis of the iterative decoding of parallel concatenated convolutional codes, IEEE Trans. Inf. Theory, vol. 51, no. 6, pp. 2190-2198, June 2005.
[J4] L. Kocarev, F. Lehmann, G.M. Maggio, B. Scanavino, Z. Tasev and A. Vardy. Nonlinear dynamics of iterative decoding systems: analysis and applications, IEEE Transactions on Information Theory, vol.52, no. 4, pp. 1366-1384, April 2006.
[J5] F. Lehmann. Blind estimation and detection of space-time trellis coded transmissions over the Rayleigh fading MIMO channel, IEEE Transactions on Communications, vol.56, no. 3, pp. 334-338, March 2008.
[J6] F. Lehmann, ``Blind soft-output decoding of space-time trellis coded transmissions over time-varying Rayleigh fading channels," IEEE Transactions on Wireless Communications, vol.8, no. 4, pp. 2088-2099, April 2009.
[J7] F. Lehmann, A. Kazem and G. Salut. ``Blind turbo detection in the presence of phase noise," IET Communications, vol. 3, Iss. 8, pp. 1343-1353, August 2009.
[J8] F. Lehmann. ``A Gaussian sum approach to blind carrier phase estimation and data detection in turbo coded transmissions," IEEE Transactions on Communications, vol.57, no. 9, pp. 2619-2632, September 2009.
[J9] F. Lehmann. ``Deterministic particle filtering for GPS navigation in the presence of multipath," International Journal of Electronics and Communications (AEU), vol. 63, Iss. 11, pp. 939-949, November 2009.
[J10] F. Lehmann. ``A Gaussian mixture approach to blind equalization of block-oriented wireless communications," EURASIP Journal on Advances in Signal Processing, Special Issue on Advanced Equalization Techniques for Wireless Communications, vol. 2010, 2010.
[J11] F. Lehmann. ``Turbo segmentation of textured images," IEEE Transactions on Pattern Analysis and Machine Intelligence, vol.33, no. 1, pp. 16-29, January 2011.
[J12] F. Lehmann. ``Joint binary image deconvolution and blur identification in the context of two-dimensional storage channels," Signal Processing Elsevier, vol.91, no. 10, pp. 2426-2431, October 2011.
[J13] F. Lehmann. ``Iterative mitigation of intercell interference in cellular networks based on Gaussian belief propagation," IEEE Transactions on Vehicular technology, vol. 61, no. 6, pp. 2544-2558, July 2012.
[J14] F. Lehmann. ``Recursive Bayesian filtering for multitarget Track-Before-Detect in passive radars," IEEE Transactions on Aerospace and Electronic Systems, vol.48, no. 3, pp. 2458-2480, July 2012.
[J15] K. Jishy and F. Lehmann. ``A Bayesian track-before-detect procedure for passive radars," EURASIP Journal on Advances in Signal Processing, Special Issue on Emerging Radar Techniques, vol. 2013, 2013.
[J16] F. Lehmann Joint channel estimation and decoding for trellis-coded MIMO two-way relay networks, IEEE JSAC, vol. 31, no. 8, pp. 1455-1468, August 2013.
[J17] F. Lehmann, P. Ramantanis and Y. Frignac Joint channel estimation, interference mitigation, and decoding for WDM optical coherent communications, IEEE/OSA Journal of Optical Communications and Networking, vol. 6, no. 3, pp. 315-325, March 2014.
[J18] F. Lehmann, P. Ramantanis and Y. Frignac. ``Semi-blind joint phase tracking, parameter estimation and detection in the context of nonlinear channels with memory," Signal Processing Elsevier, vol. 122, pp. 75-86, May 2016.
[J19] F. Lehmann. A message-passing receiver for OFDM-based self-interference-limited networks, IEEE Transactions on Vehicular Technology, vol. 65, no. 8, pp. 6136-6145, August 2016.
[J20] F. Lehmann. A factor graph approach to iterative channel estimation, detection and decoding for two-path successive relay networks, IEEE Transactions on Wireless Communications, vol. 15, no. 8, pp. 5414-5429, August 2016.
[J21] F. Lehmann and A.O. Berthet. A factor graph approach to digital self-interference mitigation in OFDM full-duplex systems, IEEE Signal Processing Letters, vol. 24, no. 3, pp. 344-348, March 2017.
[J22] F. Lehmann and Y. Frignac. Performance analysis of a new calibration method for fiber nonlinearity compensation, IEEE Communications Letters, vol. 22, no. 6, pp. 1176-1179, June 2018.
[J23] Y.S. Shmaliy, F. Lehmann, S. Zhao and C.K. Ahn. ``Comparing robustness of the Kalman, H∞, and UFIR filters," IEEE Transactions on Signal Processing, vol. 66, no. 13, pp. 3447-3458, July 2018.
[J24] F. Lehmann. Joint user activity detection, channel estimation, and decoding for multiuser multiantenna OFDM systems, IEEE Transactions on Vehicular Technology, vol. 67, no. 9, pp. 8263-8275, September 2018.
[J25] F. Lehmann and W. Pieczynski. ``Suboptimal Kalman filtering in triplet Markov models using model order reduction," IEEE Signal Processing Letters, vol. 27, pp. 1100-1104, June 2020.
[J26] F. Lehmann and W. Pieczynski. ``State estimation in pairwise Markov models with improved robustness using unbiased FIR filtering," Signal Processing Elsevier, vol. 172, pp. 1-11, July 2020.
[J27] U.H. Tan, F. Arlery, O. Rabaste, F. Lehmann, and J.-P. Ovarlez. ``A new lower bound on the maximum correlation of a set with mismatched filters," IEEE Transactions on Information Theory, vol. 66, no. 10, pp. 6555-6565, October 2020.
[J28] F. Lehmann and W. Pieczynski. ``Reduced-dimension filtering in triplet Markov models," IEEE Transactions on Automatic Control, vol. 67, no. 2, pp. 605-617, February 2022.
[J29] N. Mwamsojo, F. Lehmann, M. El-Yacoubi, K. Merghem, Y. Frignac, B.-E. Benkelfat and A.-S. Rigaud. ``Reservoir computing for early stage Alzheimer's disease detection," IEEE Access, vol. 10, pp. 59821-59831, 2022.
[J30] N. Mwamsojo, F. Lehmann, K. Merghem, B.-E. Benkelfat, and Y. Frignac. ``Optoelectronic coherent Ising machine for combinatorial optimization problems," Optics Letters, vol. 48, pp. 2150-2153, 2023.
[J31] N. Mwamsojo, F. Lehmann, K. Merghem, Y. Frignac and B.-E. Benkelfat. ``A stochastic optimization technique for hyperparameter tuning in reservoir computing," Neurocomputing, vol. 574, pp. 127262, March 2024.
[C1] G.M. Maggio, D. Laney, F. Lehmann and L. Larson, ``A Multi-access scheme for UWB radio using pseudo-chaotic time hopping," Proc. UWBST, Baltimore, MD, May 2002.[C2] F. Lehmann and G.M. Maggio, ``An approximate analytical model of the message passing decoder of LDPC codes," Proc. ISIT 2002, Lausanne, Switzerland, July 2002.
[C3] F. Lehmann, G.M. Maggio, Z. Tasev and L. Kocarev, ``On the asymptotic convergence rate for the iterative decoding of concatenated codes," Proc. ISITA 2002, Xi'an, PRC, October 2002.
[C4] Z. Tasev, L. Kocarev, F. Lehmann and G.M. Maggio, ``Nonlinear phenomena in the turbo decoding algorithm," Proc. NOLTA 2002, Xi'an, PRC, October 2002.
[C5] F. Lehmann and G.M. Maggio, ``Analysis of the iterative decoding of product codes using the Gaussian approximation," Proc. Globecom 2002, Taipei, Taiwan, November 2002.
[C6] G.M. Maggio, F. Lehmann and L. Kocarev, ``Nonlinear dynamics of the message passing decoder of LDPC codes," Proc. CIIT 2002, St. Thomas, US Virgin Islands, November 2002.
[C7] F. Lehmann, ``Distance properties of irregular LDPC codes," ISIT 2003, Yokohama, Japan, July 2003.
[C8] D. Laney, G.M. Maggio, F. Lehmann and L. Larson, ``BER and spectral properties of interleaved convolutional time hopping for UWB impulse radio," Proc. Globecom 2003, San Francisco, CA, December 2003.
[C9] F. Lehmann and G. Salut, ``Turbo equalization with particle filter channel estimation," Proc. ISITA 2004, Parma, Italy, October 2004.
[C10] F. Lehmann, ``Joint channel estimation and detection of space-time coded transmissions over the Rayleigh fading MIMO channel," Proc. ISITA 2004, Parma, Italy, October 2004.
[C11] A. Kazem, G. Salut and F. Lehmann, ``Iterative joint phase/timing estimation and decoding for GEO satellite links in the presence of Doppler shift," Proc. ISSPA 2005, Sydney, Australia, August 2005.
[C12] A. Kazem, G. Salut and F. Lehmann, ``Maximum likelihood deterministic particle filter for state estimation and fault detection in stochastic hybrid systems," Proc. ICTTA 06, Damascus, Syria, April 2006.
[C13] F. Lehmann, ``Deterministic particle filtering for GPS navigation in the presence of multipath," Proc. EUSIPCO 07, Poznan, Poland, September 2007.
[C14] F. Lehmann, ``Blind carrier phase estimation and data detection in turbo coded transmissions," Proc. ISIT 08, Toronto, Canada, July 2008.
[C15] F. Lehmann, ``Blind soft-output equalization of block-oriented wireless communications," Proc. ICASSP 09, Taipei, Taiwan, April 2009.
[C16] F. Lehmann, ``A new Bayesian approach to textured image segmentation: turbo segmentation," Proc. EUSIPCO 09, Glasgow, UK, August 2009.
[C17] K. Jishy, F. Lehmann, M. Moruzzis and G. Salut, ``Particle filter algorithm for tracking maneuvering target using FM Signal," Proc. IEEE ISSPIT 09, Ajman, UAE, December 2009.
[C18] F. Lehmann,, ``Turbo equalization of two-dimensional intersymbol interference channels using Gaussian belief propagation," Proc. ICASSP 2010, Dallas, TX, March 2010.
[C19] K. Jishy, F. Lehmann, M. Moruzzis, F. Gosselin and G. Salut, ``Tracking maneuvering target with particle filter techniques on passive radar using FM and DVBT broadcasting signals," Proc. IEEE RADAR 2010, Washington, DC, May 2010.
[C20] K. Jishy, F. Lehmann, F. Gosselin, M. Moruzzis and G. Salut, ``Passive detection and tracking of maneuvering targets with particle filter techniques using DVBT broadcasting," Proc. EuRAD 2010, Paris, France, Sept.-Oct. 2010.
[C21] F. Lehmann,, ``A segmentation method for textured images based on the maximum posterior mode criterion," Proc. ICASSP 2011, Prag, Czech Republic, May 2011.
[C22] F. Lehmann, ``A joint decode-and-forward strategy for physical network coding based on factor graphs," Proc. WCNC 2012, Paris, France, Apr. 2012.
[C23] A. El Gonnouni and F. Lehmann, ``Deghosting method for multiple target tracking in a single frequency network," Proc. International Radar Conference, Lille, France, Oct. 2014.
[C24] R. Lamberti, T. Durier, F. Lehmann, Y. Petetin and D. Maltese, ``Track-before-detect and PHD filter for multi-object tracking in infrared image sequences," Proc. Sensors, Energy harvesting, wireless Network and Smart Objects, Gardanne, France, Oct. 2014.
[C25] F. Arlery, M. Klein and F. Lehmann, ``Utilization of spreading codes as dedicated waveforms for active multi-static primary surveillance radar," Proc. International Radar Symposium, Dresden, Germany, June 2015.
[C26] F. Lehmann, D. Chaal and A. Lyhyaoui, ``Proposition of a Bayesian model for the propagation of the information in a wireless sensor network," Proc. IEEE/ACS 12th International Conference of Computer Systems and Applications (AICCSA), Marrakech, Morocco, Nov. 2015.
[C27] F. Arlery, R. Kassab, U. Tan and F. Lehmann, ``Efficient gradient method for locally optimizing the periodic/aperiodic ambiguity function," Proc. International Radar Conference, Philadelphia, PA, USA, May 2016.
[C28] F. Arlery, R. Kassab, U. Tan and F. Lehmann, ``Efficient optimization of the ambiguity functions of multi-static radar waveforms," Proc. International Radar Symposium, Krakow, Poland, May 2016.
[C29] D. Chaal, A. Lyhyaoui and F. Lehmann, ``Optimization of a modular ad hoc land wireless system via joint source-network coding for correlated sensors," Proc. International Conference on Automation, Control Engineering and Computer Science (ACECS), Tangier, Morocco, March 2017.
[C30] N. Mwamsojo, F. Lehmann, M. El-Yacoubi, K. Merghem, Y. Frignac, B.-E. Benkelfat and A.-S. Rigaud, ``Optoelectronic reservoir computer for early stage Alzheimer's disease detection," Proc. Conference on Lasers and Electro-Optics (CLEO2022), San Jose, CA, May 2022.
[C31] F. Sagheer, F. Lehmann and A.O. Berthet, ``Low-complexity dynamic channel estimation in multi-antenna grant-free NOMA," Proc. IEEE 95th Vehicular Technology Conference (VTC2022-Spring), Helsinki, Finland, June 2022.
[C32] N. Mwamsojo, F. Lehmann, K. Merghem, G. Abib, Y. Frignac and B.-E. Benkelfat, ``Image Restoration Using Optoelectronic Coherent Ising Machine," Proc. Conference on Lasers and Electro-Optics (CLEO2023), San Jose, CA, May 2023.
[P1] Frédéric Lehmann et Jean-Marc Brossier, ``Procédé de modulation et de détermination du nombre de bits à transmettre sur un canal de transmission," Brevet INPI No. 02/02981, Mars 2003.[P2] Helder Da Silva Valente, Frédéric Lehmann, ``Decoding of low-complexity signals transmitted by a constellation modulation," Brevet No. 02/15834, Décembre 2002.