## Prof. Hans-Andrea LoeligerOffice: ETF E101 Office phone: +41 44 632 2765 E-mail: loeliger@isi.ee.ethz.ch Address: Institut für Signal- und Informationsverarbeitung (ISI) ETF E101 ETH Zentrum Sternwartstrasse 7 CH-8092 Zürich Switzerland |

-> Courses

-> Student Projects

-> Current PhD Students

Due to my approaching retirement (in 2026), I cannot take new PhD students.

Some **favorite papers from past years**
are marked **blue**.
See also the copyright notice at the bottom of this page.

Yun Peng Li and H.-A. Loeliger,

**Backward filtering forward deciding in linear non-Gaussian state space models,**

*27th Int. Conf. on Artificial Intelligence and Statistics (AISTATS),*May 2024.F. Feyling, H. Malmberg, C. Wulff, H.-A. Loeliger, and T. Ytterdal,

**Design and analysis of the leapfrog control-bounded A/D converter,**

*IEEE Trans. Very Large Scale Integration Systems,*Jan. 2024.

IEEE Xplore

R. Keusch, H.-A. Loeliger, and T. Geyer,

**Long-horizon direct model predictive control for power converters with state constraints,**

*IEEE Trans. Control Systems Techn.,*

IEEE XploreH.-A. Loeliger,

**On NUP priors and Gaussian message passing,**

*IEEE Int. Workshop on Machine Learning for Signal Processing (MLSP),*Sept. 2023.

IEEE Xplore / PreprintJiun-Hung Yu and H.-A. Loeliger,

**The partial-inverse approach to linearized polynomials and Gabidulin codes with applications to network coding,**

*IEEE Trans. Inform. Theory,*vol. 69, pp. 3759-3774, June 2023.

IEEE Xplore

H. Malmberg, T. Mettler, T. Burger, F. Feyling, and Hans-Andrea Loeliger,

**Calibrating control-bounded ADCs,**

arXiv:2211.06741F. Feyling, H. Malmberg, C. Wulff, H.-A. Loeliger, and T. Ytterdal,

**High-level comparison of control-bounded A/D converters and continuous-time sigma-delta modulators,**

*IEEE Nordic Circuits and Systems Conf. (NorCAS),*Oct. 25-26, 2022, Oslo, Norway.

PreprintBoxiao Ma, N. Zalmai, and H.-A. Loeliger,

**Smoothed-NUV priors for imaging,**

*IEEE Trans. on Image Processing,*vol. 31, pp. 4663-4678, July 2022.

IEEE Xplore / PreprintH. Malmberg, G. Wilckens, and H.-A. Loeliger,

**Control-bounded analog-to-digital conversion,**

*Circuits, Systems, and Signal Processing,*2022.

pdf

R. Keusch and H.-A. Loeliger,

**Half-space and box constraints as NUV priors: first results**

arXiv:2109.00036G. Marti, R. Keusch, and H.-A. Loeliger,

**Multiuser MIMO detection with composite NUV priors,**

*11th Int. Symposium on Topics in Coding 2021 (ISTC),*Montreal, Canada, Aug. 30 - Sept. 3, 2021.

IEEE Xplore / PreprintG. Marti, Boxiao Ma, and H.-A. Loeliger,

**Why maximum-a-posteriori blind image deblurring works after all,**

*29th European Signal Processing Conf. (EUSIPCO),*Dublin, Ireland, Aug. 23-27, 2021.

IEEE Xplore / PreprintR. Keusch and H.-A. Loeliger,

**A binarizing NUV prior and its use for M-level control and digital-to-analog conversion,**

arXiv:2105.02599R. Keusch, H. Malmberg, and H.-A. Loeliger,

**Binary control and digital-to-analog conversion using composite NUV priors and iterative Gaussian message passing,**

*2021 IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP),*Toronto, Canada, June 6-11, 2021.

IEEE Xplore / arXiv:2102.00989E. Ren, G. Cid Ornelas, and H.-A. Loeliger,

**Real-time interaural time delay estimation via onset detection,**

*2021 IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP),*Toronto, Canada, June 6-11, 2021.

IEEE Xplore / Preprint

R. A. Wildhaber, E. Ren, F. Waldmann, and H.-A. Loeliger,

**Signal analysis using local polynomial approximations,**

*28th European Signal Processing Conference (EUSIPCO 2020),*Amsterdam, NL, January 18-22, 2021.

IEEE Xplore / PreprintBoxiao Ma, J. Trisovich, and H.-A. Loeliger,

**Multi-image blind deblurring using a smoothed NUV prior and iteratively reweighted coordinate descent,**

*2020 IEEE International Conference on Image Processing,*October 25-28, 2020.

IEEE Xplore / PreprintH. Malmberg and H.-A. Loeliger,

**Analog-to-digital conversion using self-averaging analog Hadamard networks,**

*2020 IEEE Int. Symposium on Circuits and Systems (ISCAS),*October 10-21, 2020.

IEEE XploreP. Murer and H.-A. Loeliger,

**Online memorization of random firing sequences by a recurrent neural network,**

*2020 IEEE International Symposium on Information Theory (ISIT),*June 21-26, 2020.

IEEE Xplore / PreprintH.-A. Loeliger, H. Malmberg, and G. Wilckens,

**Control-bounded analog-to-digital conversion: transfer function analysis, proof of concept, and digital filter implementation,**

arXiv:2001.05929H.-A. Loeliger and P. O. Vontobel,

**Quantum measurement as marginalization and nested quantum systems,**

*IEEE Trans. Inform. Theory,*vol. 66, pp. 3485-3499, June 2020.

IEEE Xplore / arXiv:1902.03607F. Wadehn, T. Weber, D. J. Mack, T. Heldt, and H.-A. Loeliger,

**Model-based separation, detection, and classification of eye movements,**

*IEEE Trans. Biomed. Eng.,*vol. 67, no. 2, pp. 588-600, Feb. 2020.

IEEE Xplore

F. Wadehn, T. Weber, and H.-A. Loeliger,

**State space models with dynamical and sparse variances, and inference by EM message passing,**

*27th European Signal Processing Conference (EUSIPCO),*A Coruña, Spain, Sept. 2-6, 2019.

IEEE XploreJ.-P. Schulze, A. Mrowca, E. Ren, H.-A. Loeliger, and K. Böttinger,

**Context by proxy: identifying contextual anomalies using an output proxy,**

*25th ACM SIGKDD Conf. on Knowledge Discovery and Data Mining (KDD),*Anchorage, Alaska, USA, Aug. 4-8, 2019.

ACM LibraryJiun-Hung Yu and H.-A. Loeliger,

**Decoding Gabidulin codes via partial inverses of linearized polynomials,**

*2019 IEEE International Symposium on Information Theory (ISIT),*Paris, France, July 7-12, 2019.

IEEE XploreE. Ren and H.-A. Loeliger,

**Exact discrete-time realizations of the gammatone filter,**

*2019 IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP),*Brighton, UK, May 12-17, 2019.

IEEE Xplore / Preprint

H.-A. Loeliger, Boxiao Ma, H. Malmberg, and F. Wadehn,

**Factor graphs with NUV priors and iteratively reweighted descent for sparse least squares and more,**

*Int. Symposium on Turbo Codes & Iterative Information Processing (ISTC) 2018,*Hongkong, China, Dec. 3-7, 2018.

IEEE Xplore / PreprintJiun-Hung Yu and H.-A. Loeliger,

**Simultaneous partial inverses and decoding interleaved Reed-Solomon codes,**

*IEEE Trans. Inform. Theory,*vol. 64, pp. 7511-7528, Dec. 2018.

IEEE Xplore / arXiv:1612.07854R. A. Wildhaber, D. Bruegger, N. Zalmai, H. Malmberg, J. Goette, M. Jacomet, H. Tanner, A. Haeberlin, and H.-A. Loeliger,

**Estimation of the cardiac field in the esophagus using a multipolar esophageal catheter,**

*IEEE Trans. Biomed. Circuits and Systems,*vol. 12, pp. 791-800, Aug. 2018.

IEEE Xplore / PreprintF. Wadehn, H.-A. Loeliger, T. Weber, and D.-J. Mack,

**Estimation of neural inputs and detection of saccades and smooth pursuit eye movements by sparse Bayesian learning,**

*40th Annual Int. Conf. of the IEEE Engineering in Medicine and Biology Society (EMBC 2018),*Honolulu, Hawaii, USA, July 17-21, 2018.

IEEE Xplore / PreprintR. A. Wildhaber, N. Zalmai, M. Jacomet, and H.-A. Loeliger,

**Windowed state space filters for signal detection and separation,**

*IEEE Trans. Signal Proc.,*vol. 66, pp. 3768-3783, July 2018.

IEEE Xplore / PreprintBoxiao Ma, N. Zalmai, and H.-A. Loeliger,

**A multi-resolution approach to complexity reduction in tomographic reconstruction,**

*2018 IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP),*Calgary, Canada, April 15-20, 2018.

IEEE Xplore

Boxiao Ma, N. Zalmai, R. Torfason, C. Stritt, and H.-A. Loeliger,

**Color image segmentation using iterative edge cutting, NUV-EM, and Gaussian message passing,**

*5th IEEE Global Conf. on Signal and Information Processing (GlobalSIP 2017),*Montreal, Canada, Nov. 14 - 16, 2017.

IEEE Xplore / PreprintN. Zalmai, R.A. Wildhaber, and H.-A. Loeliger,

**Autonomous state space models for recursive signal estimation beyond least squares,**

*25th European Signal Processing Conference (EUSIPCO),*Kos Island, Greece, Aug. 28 - Sept. 2, 2017.

IEEE Xplore / EURASIP / PreprintN. Zalmai, R. Keusch, H. Malmberg, and H.-A. Loeliger,

**Unsupervised feature extraction, signal labeling, and blind signal separation in a state space world,**

*25th European Signal Processing Conference (EUSIPCO),*Kos Island, Greece, Aug. 28 - Sept. 2, 2017.

IEEE Xplore / EURASIP / PreprintH.-A. Loeliger and P. O. Vontobel,

**Factor graphs for quantum probabilities,**

*IEEE Trans. Inform. Theory,*vol. 63, pp. 5642-5665, Sept. 2017.

IEEE Xplore / Preprint / arXiv:1508.00689R.A. Wildhaber, N. Zalmai, M. Jacomet, and H.-A. Loeliger,

**Signal detection and discrimination for medical devices using windowed state space filters,**

*13th IASTED Int. Conf. on Biomedical Engineering (BioMed),*Innsbruck, Austria, February 20-21, 2017.

IEEE Xplore / Preprint

Jiun-Hung Yu and H.-A. Loeliger,

**Partial inverses mod m(x) and reverse Berlekamp-Massey decoding,**

*IEEE Trans. Inform. Theory,*vol. 62, pp. 6737-6756, Dec. 2016.

IEEE Xplore / PreprintF. Wadehn, L. Bruderer, V. Sahdeva, and H.-A. Loeliger,

**New square-root and diagonalized Kalman smoothers,**

*Proc. 54th Annual Allerton Conference on Communication, Control, and Computing,*Monticello, Illinois, USA, Sept. 28-30, 2016.

Preprint / IEEE XploreN. Zalmai, C. Luneau, C. Stritt, and H.-A. Loeliger,

**Tomographic reconstruction using a new voxel-domain prior and Gaussian message passing,**

*2016 European Signal Processing Conference (EUSIPCO),*Budapest, Hungary, Aug. 29 - Sept. 2, 2016.

Preprint / EURASIP / IEEE XploreF. Wadehn, L. Bruderer, J. Dauwels, V. Sahdeva, Hang Yu, and H.-A. Loeliger,

**Outlier-insensitive Kalman smoothing and marginal message passing,**

*2016 European Signal Processing Conference (EUSIPCO),*Budapest, Hungary, Aug. 29 - Sept. 2, 2016.

Preprint / EURASIPN. Zalmai, H. Malmberg, and H.-A. Loeliger,

**Blind deconvolution of sparse but filtered pulses with linear state space models,**

*41th IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP),*Shanghai, China, March 20-25, 2016.

IEEE XploreN. Zalmai, R.A. Wildhaber, D. Clausen, and H.-A. Loeliger,

**Inferring depolarization of cells from 3D-electrode measurements using a bank of linear state space models,**

*41th IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP),*Shanghai, China, March 20-25, 2016.

IEEE XploreH.-A. Loeliger, L. Bruderer, H. Malmberg, F. Wadehn, and N. Zalmai,

**On sparsity by NUV-EM, Gaussian message passing, and Kalman smoothing,**

*2016 Information Theory & Applications Workshop (ITA),*La Jolla, CA, Jan. 31 - Feb. 5, 2016.

IEEE Xplore / Preprint / arXiv:1602.02673

F. Wadehn, D. Carnal, and H.-A. Loeliger,

**Estimation of heart rate and heart rate variability from pulse oximeter recordings using localized model fitting,**

*37th Annual Int. Conf. of the IEEE Engineering in Medicine and Biology Society*(EMBC 2015), Milano, Italy, August 25-29, 2015.

IEEE XploreJiun-Hung Yu and H.-A. Loeliger,

**Decoding of interleaved Reed-Solomon codes via simultaneous partial inverses,**

*2015 IEEE Int. Symp. on Information Theory (ISIT),*Hong Kong, June 14-19, 2015.

IEEE Xplore / PreprintH.-A. Loeliger and Sarah Neff,

**Pulse-domain signal parsing and neural computation,**

*2015 IEEE Int. Symp. on Information Theory (ISIT),*Hong Kong, June 14-19, 2015.

IEEE Xplore / PreprintL. Bruderer, H. Malmberg and H.-A. Loeliger,

**Deconvolution of weakly-sparse signals and dynamical-system identification by Gaussian message passing,**

*2015 IEEE Int. Symp. on Information Theory (ISIT),*Hong Kong, June 14-19, 2015.

IEEE Xplore / PreprintS. Maranò, D. Fäh, and H.-A. Loeliger,

**A state-space approach for the analysis of wave and diffusion fields,**

*40th IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP),*Brisbane, Australia, April 19-24, 2015.

IEEE Xplore / PreprintN. Zalmai, Ch. Kaeslin, Lukas Bruderer, Sarah Neff, and H.-A. Loeliger,

**Gesture recognition from magnetic field measurements using a bank of linear state space models and local likelihood filtering,**

*40th IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP),*Brisbane, Australia, April 19-24, 2015.

IEEE Xplore / PreprintS. Diether, L. Bruderer, A. Streich, and H.-A. Loeliger,

**Efficient blind estimation of subband reverberation time from speech in non-diffuse environments,**

*40th IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP),*Brisbane, Australia, April 19-24, 2015.

IEEE Xplore / PreprintH.-A. Loeliger and G. Wilckens,

**Control-based analog-to-digital conversion without sampling and quantization,**

*2015 Information Theory & Applications Workshop (ITA),*San Diego, CA, Feb. 1-6, 2015.

IEEE Xplore / Preprint

H.-A. Loeliger, S. Neff, and Ch. Reller,

**Self-synchronizing signal parsing with spiking feature-detection filters,**

*Proc. 52nd Annual Allerton Conference on Communication, Control, and Computing,*Monticello, Illinois, USA, Oct. 1-3, 2014, pp. 123-128.

IEEE Xplore / PreprintJiun-Hung Yu and H.-A. Loeliger,

**An algorithm for simultaneous partial inverses,**

*Proc. 52nd Annual Allerton Conference on Communication, Control, and Computing,*Monticello, Illinois, USA, Oct. 1-3, 2014, pp. 928-935.

IEEE Xplore / PreprintL. Bruderer, H.-A. Loeliger, and N. Zalmai,

**Local statistical models from deterministic state space models, likelihood filtering, and local typicality,**

*2014 IEEE Int. Symp. on Information Theory (ISIT),*Honolulu, Hawaii, June 29 - July 4, 2014, pp. 1106-1110.

IEEE Xplore / PreprintL. Bruderer and H.-A. Loeliger,

**Estimation of sensor input signals that are neither bandlimited nor sparse,**

*2014 Information Theory & Applications Workshop (ITA),*San Diego, CA, Feb. 9-14, 2014.

IEEE Xplore / Preprint

Jiun-Hung Yu and H.-A. Loeliger,

**Reverse Berlekamp-Massey decoding,**

*2013 IEEE Int. Symp. on Information Theory (ISIT),*Istanbul, Turkey, July 7-12, 2013, pp. 1212-1216.

IEEE Xplore / Preprint / arXiv:1301.7236M. Molkaraie and H.-A. Loeliger,

**Partition function of the Ising model via factor graph duality,**

*2013 IEEE Int. Symp. on Information Theory (ISIT),*Istanbul, Turkey, July 7-12, 2013, pp. 2304-2308.

IEEE Xplore / PreprintH.-A. Loeliger and Ch. Reller,

**Signal processing with factor graphs: beamforming and Hilbert transform,**

*2013 Information Theory and Applications Workshop (ITA),*San Diego, CA, Feb. 10-15, 2013.

IEEE Xplore / preprintM. Molkaraie and H.-A. Loeliger,

**Monte Carlo algorithms for the partition function and information rates of two-dimensional channels,**

*IEEE Trans. Inform. Theory,*vol. 59, no. 1, pp. 495-503, Jan. 2013.

IEEE Xplore / preprint / arXiv:1105.5542L. Bolliger, H.-A. Loeliger, and C. Vogel,

**LMMSE estimation and interpolation of continuous-time signals from discrete-time samples using factor graphs,**

arXiv:1301.4793

Ch. Reller, M.V.R.S. Devarakonda, and H.-A. Loeliger,

**Glue factors, likelihood computation, and filtering in state space models,**

*Proc. 50th Annual Allerton Conference on Communication, Control, and Computing,*Monticello, Illinois, USA, Oct. 1-5, 2012, pp. 686-689.

IEEE Xplore / preprintM. Molkaraie and H.-A. Loeliger,

**Extending Monte Carlo methods to factor graphs with negative and complex factors,**

*Information Theory Workshop (ITW) 2012,*EPFL, Lausanne, Switzerland, Sept. 3-7, 2012, pp. 362-366.

IEEE Xplore / preprint / arXiv:1206.5232S. Maranò, Ch. Reller, H.-A. Loeliger, and D. Fäh,

**Seismic waves estimation and wave field decomposition: application to ambient vibrations,**

*Geophysical Journal International,*vol. 191, no. 1, pp. 175-188, Oct. 2012.

H.-A. Loeliger and P. O. Vontobel,

**A factor-graph representation of probabilities in quantum mechanics,**

*2012 IEEE Int. Symp. on Information Theory,*Cambridge, MA, USA, July 1-6, 2012, pp. 656-660 .

IEEE Xplore / preprint / arXiv:1201.5422M.V.R.S. Devarakonda and H.-A. Loeliger,

**Joint synchronization and demodulation by forward filtering,**

*2012 IEEE Int. Symp. on Information Theory,*Cambridge, MA, USA, July 1-6, 2012, pp. 2396-2400.

IEEE Xplore / preprintJiun-Hung Yu and H.-A. Loeliger,

**On polynomial remainder codes**

arXiv:1201.1812.

L. Bolliger and H.-A. Loeliger,

**Sampling jitter correction using factor graphs,**

*2011 Europ. Signal Proc. Conf. (EUSIPCO),*Barcelona, Spain, Aug. 29 - Sept. 2, 2011, pp. 849-853.

PDFCh. Reller, H.-A. Loeliger, and J.P. Marin Diaz,

**A model for quasi-periodic signals with application to rain estimation from microwave link gain,**

*2011 Europ. Signal Proc. Conf. (EUSIPCO),*Barcelona, Spain, Aug. 29 - Sept. 2, 2011, pp. 971-975.

PDFJiun-Hung Yu and H.-A. Loeliger,

**On irreducible polynomial remainder codes,**

*2011 IEEE Int. Symp. on Information Theory,*Saint Petersburg, Russia, July 31 - Aug. 51, 2011, pp. 1115-1119.

PDFCh. Reller, H.-A. Loeliger, and S. Maranò,

**Multi-sensor estimation and detection of phase-locked sinusoids,**

*Proc. 2011 Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP),*Prague, Czech Republic, May 22-27, 2011, pp. 3872-3875.

PDFS. Maranò, Ch. Reller, D. Fäh, and H.-A. Loeliger,

**Seismic waves estimation and wave field decomposition with factor graphs,**

*Proc. 2011 Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP),*Prague, Czech Republic, May 22-27, 2011, pp. 2748-2751.

PDFH.-A. Loeliger, L. Bolliger, G. Wilckens, and J. Biveroni

**Analog-to-digital conversion using unstable filters,**

*2011 Information Theory and Applications Workshop (ITA),*UCSD, La Jolla, CA, Feb. 6-11, 2011.

PDF

M. Ostojic and H.-A. Loeliger,

**Multitree decoding and multitree-aided LDPC decoding,**

*Proc. 2010 IEEE Int. Symp. on Information Theory,*Austin, TX, USA, June 13-18, 2010, pp. 779-783.

PDFM. Molkaraie and H.-A. Loeliger,

**Estimating the information rate of noisy two-dimensional constrained channels,**

*Proc. 2010 IEEE Int. Symp. on Information Theory,*Austin, TX, USA, June 13-18, 2010, pp. 1678-1682.

PDFL. Bolliger, H.-A. Loeliger, and C. Vogel,

**Simulation, MMSE estimation, and interpolation of sampled continuous-time signals using factor graphs,**

*2010 Information Theory and Applications Workshop,*UCSD, La Jolla, CA, Jan. 31 - Feb. 5, 2010.

PDF

J. Dauwels, A. Eckford, S. Korl, and H.-A. Loeliger,

**Expectation maximization as message passing - Part I: principles and Gaussian messages,**

arXiv:0910.2832.H.-A. Loeliger and M. Molkaraie,

**Estimating the partition function of 2-D fields and the capacity of constrained noiseless 2-D channels using tree-based Gibbs sampling,**

*Proc. 2009 IEEE Information Theory Workshop,*Taormina, Italy, Oct. 11-16, 2009, pp. 228-232.

PDFM.V.R.S. Devarakonda and H.-A. Loeliger,

**Continuous-time matched filtering and decoding without synchronization,**

*Proc. 2009 IEEE Information Theory Workshop,*Taormina, Italy, Oct. 11-16, 2009, pp. 139-143.I. Trajkovic, Ch. Reller, M. Wolf, and H.-A. Loeliger,

**Modelling and filtering almost periodic signals by time-varying Fourier series with application to near infrared spectroscopy,**

*Proc. 17th European Signal Proc. Conf. (EUSIPCO),*Glasgow, Scotland, August 24-28, 2009, pp. 632-636.M.-A. El Mechat and H.-A. Loeliger,

**Maximum likelihood range estimation for 3D-imaging based on pseudo-noise optical modulation,**

*Proc. 17th European Signal Proc. Conf. (EUSIPCO),*Glasgow, Scotland, August 24-28, 2009, pp. 2082-2086.H.-A. Loeliger, L. Bolliger, S. Korl, and C. Reller,

**Localizing, forgetting, and likelihood filtering in state-space models,**

*2009 Information Theory and Applications Workshop,*UCSD, La Jolla, CA, Feb. 8-13, 2009.

PDF

P.O. Vontobel, A. Kavcic, D. Arnold, and H.-A. Loeliger,

**A generalization of the Blahut-Arimoto algorithm to finite-state channels,**

*IEEE Trans. Inform. Theory,*vol. 54, no. 5, pp. 1887-1918, May 2008.J. Biveroni and H.-A. Loeliger,

**On sequential analog-to-digital conversion with low-precision components,**

*2008 Information Theory and Applications Workshop,*UCSD, La Jolla, CA, Jan. 27 - Feb. 1, 2008.

PDFJ. Dauwels and H.-A. Loeliger,

**Computation of information rates by particle methods,**

*IEEE Trans. Inform. Theory,*vol. 54, no. 1, pp. 406-409, Jan. 2008.

PDF

H.-A. Loeliger, J. Dauwels, J. Hu, S. Korl, Li Ping, and F. Kschischang,

**The factor graph approach to model-based signal processing,**

*Proceedings of the IEEE,*vol. 95, no. 6, pp. 1295-1322, June 2007.

PDFM. Frey and H.-A. Loeliger,

**On the static resolution of digitally-corrected analog-to-digital and digital-to-analog converters with low-precision components,**

*IEEE Trans. on Circuits and Systems I,*vol. 54, no. 1, pp. 229-237, January 2007.

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M. Frey, H.-A. Loeliger, and P. Merkli,

**Analog circuits for symbol-likelihood computation,**

*Proc. 13th IEEE Int. Conf. on Electronics, Circuits, and Systems (ICECS),*Nice, France, Dec. 10-13, 2006.

PDFJ. Hu, H.-A. Loeliger, J. Dauwels, and F. Kschischang,

**A general computation rule for lossy summaries/messages with examples from equalization,**

*Proc. 44th Allerton Conf. on Communication, Control, and Computing,*Monticello, Illinois, Sept. 27-29, 2006.

PDFD. Arnold, H.-A. Loeliger, P.O. Vontobel, A. Kavcic, and W. Zeng,

**Simulation-based computation of information rates for channels with memory,**

*IEEE Trans. Inform. Theory,*vol. 52, no. 8, pp. 3498-3508, August 2006.

PDFB. Vigoda, J. Dauwels, M. Frey, N. Gershenfeld, T. Koch, H.-A. Loeliger, and P. Merkli,

**Synchronization of pseudo-random signals by forward-only message passing with application to electronic circuits,**

*IEEE Trans. Inform. Theory,*vol. 52, no. 8, pp. 3843-3852, August 2006.

J. Dauwels, S. Korl, and H.-A. Loeliger,

**Particle methods as message passing**

*Proc. 2006 IEEE Int. Symp. on Information Theory,*Seattle, USA, July 9-14, 2006, pp. 2052-2056.

PDFM. Frey and H.-A. Loeliger,

**On Flash A/D-Converters with Low-Precision Comparators,**

*Proc. 2006 IEEE Int. Symp. on Circuits and Systems,*Kos Island, Greece, May 21-24, 2006.

PDFM. Frey and H.-A. Loeliger,

**On the static accuracy of digitally corrected analog-to-digital and digital-to-analog converters,**

*2006 Information Theory and Applications Workshop,*UCSD, La Jolla, CA, Feb. 6-10, 2006.

PDF

M. Frey, H.-A. Loeliger, P. Merkli, and P. Strebel,

**Two experimental analog decoders,**

*Proc. 2005 IEEJ Int. Analog VLSI Workshop,*Bordeaux, France, Oct. 19-21, 2005.

PDFJ. Dauwels, S. Korl, and H.-A. Loeliger,

**Expectation maximization as message passing,**

*Proc. 2005 IEEE Int. Symp. on Information Theory,*Adelaide, Australia, Sept. 4-9, 2005, pp. 583-586.

PDFJ. Dauwels, S. Korl, and H.-A. Loeliger,

**Steepest descent as message passing,**

*Proc. IEEE Information Theory Workshop,*Rotorua, New Zealand, Aug. 28 - Sept. 1, 2005, pp. 42-46.

PDFV.M. Koch and H.-A. Loeliger,

**EMG signal decomposition by loopy belief propagation,**

*Proc. 2005 IEEE Int. Conf. on Acoustics, Speech, and Signal Processing (ICASSP),*March 18-23, 2005, Philadelphia, PA, USA, pp. 397-400.

PDF

J. Dauwels, H.-A. Loeliger, P. Merkli, and M. Ostojic,

**On Markov structured summary propagation and LFSR synchronization,**

*Proc. 42nd Allerton Conf. on Communication, Control, and Computing,*(Allerton House, Monticello, Illinois), Sept. 29 - Oct. 1, 2004, pp. 451-460.

PDFJ. Dauwels and H.-A. Loeliger,

**Computation of information rates by particle methods,**

*Proc. 2004 IEEE Int. Symp. Information Theory,*Chicago, IL, USA, June 27 - July 2, 2004, p. 178.

PDFJ. Dauwels and H.-A. Loeliger,

**Phase estimation by message passing,**

*Proc. 2004 IEEE Int. Conf. on Communications,*June 20-24, Paris, France, pp. 523-527.

PDFS. Korl, H.-A. Loeliger, and A.G. Lindgren,

**AR model parameter estimation: from factor graphs to algorithms,**

*Proc. 2004 IEEE Int. Conf. on Acoustics, Speech, and Signal Processing,*May 17-21, 2004, Montreal, Canada, vol. V, pp. 509-512.

PDFH.-A. Loeliger, J. Dauwels, V.M. Koch, and S. Korl,

**Signal processing with factor graphs: examples,**

*Proc. First Int. Symp. on Control, Communications and Signal Processing,*March 21-24, 2004, Hammamet, Tunisia, pp. 571-574.

PDFH.-A. Loeliger,

**An introduction to factor graphs,**

*IEEE Signal Proc. Mag,*Jan. 2004, pp. 28-41.

PDF

J. Dauwels, H.-A. Loeliger, P. Merkli, and M. Ostojic,

**On structured-summary propagation, LFSR synchronization, and low-complexity trellis decoding,**

*Proc. 41st Allerton Conf. on Communication, Control, and Computing,*(Allerton House, Monticello, Illinois), Oct. 1-3, 2003, pp. 459-467.

PDFH.-A. Loeliger,

**Some remarks on factor graphs**

*Proc. 3rd Int. Symp. on Turbo Codes and Related Topics,*Sept. 1-5, 2003, Brest, France, pp. 111-115.

PDF. (Also: slides of the talk as PDF file.)D. Arnold, A. Kavcic, H.-A. Loeliger, P.O. Vontobel, and W. Zeng,

**Simulation-based computation of information rates: upper and lower bounds,**

*Proc. 2003 IEEE Int. Symp. Information Theory,*Yokohama, Japan, June 29 - July 4 , 2003, p. 119.J. Dauwels and H.-A. Loeliger,

**Joint decoding and phase estimation: an exercise in factor graphs,**

*Proc. 2003 IEEE Int. Symp. Information Theory,*Yokohama, Japan, June 29 - July 4 , 2003, p. 231.M. Frey, H.-A. Loeliger, F. Lustenberger, P. Merkli, and P. Strebel,

**Analog-decoder experiments with subthreshold CMOS soft-gates,**

*Proc. 2003 IEEE Int. Symp. on Circuits and Systems,*Bangkok, Thailand, May 25 - 28, 2003, vol. 1, pp. 85-88.

PDFP.O. Vontobel and H.-A. Loeliger,

**On factor graphs and electrical networks,**

in*Mathematical Systems Theory in Biology, Communication, Computation, and Finance,*J. Rosenthal and D.S. Gilliam, eds., IMA Volumes in Math. & Appl., Springer Verlag, 2003, pp. 469-492.

PDF

H.-A. Loeliger,

**Least squares and Kalman filtering on Forney graphs,**

in*Codes, Graphs, and Systems,*(festschrift in honour of David Forney on the occasion of his 60th birthday), R.E. Blahut and R. Koetter, eds., Kluwer, 2002, pp. 113-135.

PDFD. Arnold, H.-A. Loeliger, and P.O. Vontobel,

**Computation of information rates from finite-state source/channel models,**

*Proc. 40th Allerton Conf. on Communications, Control, and Computing,*(Allerton House, Monticello, Illinois), Oct. 2 - 4, 2002, pp. 457-466.

PDFP.O. Vontobel and H.-A. Loeliger,

**Irregular codes from regular graphs,**

*Proc. 2002 IEEE Int. Symp. Inform. Theory,*Lausanne, Switzerland, June 30 - July 5, 2002, p. 284.

H.-A. Loeliger,

**Analog decoding and beyond,**

*Proc. 2001 IEEE Information Theory Workshop,*Cairns, Australia, Sept. 2-7, 2001, pp. 126-127.

PDFD. Arnold and H.-A. Loeliger,

**On the information rate of binary-input channels with memory,**

*Proc. IEEE Int. Conf. on Communications,*Helsinki, Finland, June 11-14, 2001, pp. 2692-2695.

PDFF. Lustenberger and H.-A. Loeliger,

**On mismatch errors in analog-VLSI error correcting decoders**

*Proc. of ISCAS'01*, Sydney, Australia, May 6 - June 9, 2001, vol. IV, pp. 198-201.

PDF; CorrectionsH.-A. Loeliger, F. Lustenberger, M. Helfenstein, and F. Tarköy,

**Probability propagation and decoding in analog VLSI,**

*IEEE Trans. Inform. Theory,*vol. 47, pp. 837-843, Feb. 2001.

PDFF.R. Kschischang, B.J. Frey, and H.-A. Loeliger,

**Factor graphs and the sum-product algorithm,**

*IEEE Trans. Inform. Theory,*vol. 47, pp. 498-519, Feb. 2001.

PDF

D. Arnold, A. Kavcic, R. Kötter, H.-A. Loeliger, and P.O. Vontobel,

**The binary jitter channel: a new model for magnetic recording,**

*Proc. 2000 IEEE Int. Symp. Inform. Theory,*Sorrento, Italy, June 25-30, 2000, p. 433.

H.-A. Loeliger, F. Lustenberger, M. Helfenstein, and F. Tarköy,

**Decoding in analog VLSI,**

*IEEE Commun. Mag.,*pp. 99-101, April 1999.

H.-A. Loeliger, F. Lustenberger, M. Helfenstein, and F. Tarköy,

**Probability propagation and decoding in analog VLSI,**

*Proc. 1998 IEEE Int. Symp. Inform. Th.,*Cambridge, MA, USA, Aug. 16-21, 1998, p. 146.F. Tarköy and H.-A. Loeliger,

**An asynchronous CDMA scheme with iterative decoding for high bandwidth efficiency,**

*Proc. 1998 IEEE Int. Symp. Inform. Th.,*Cambridge, MA, USA, Aug. 16-21, 1998, p. 426.

H.-A. Loeliger,

**Averaging bounds for lattices and linear codes,**

*IEEE Trans. Inform. Theory,*vol. 43, pp. 1767-1773, Nov. 1997.

PDF file, 290 KB.B.J. Frey, F.R. Kschischang, H.-A. Loeliger, and N. Wiberg,

**Factor graphs and algorithms,**

*Proc. 35th Allerton Conf. on Communications, Control, and Computing,*Monticello, Illinois, Sept. 29 - Oct. 1, 1997, pp. 666-680.

PDFH.-A. Loeliger,

**The convoluted history of minimal encoders,**

*Proc. 35th Allerton Conf. on Communications, Control, and Computing,*(Allerton House, Monticello, Illinois), Sept. 29 - Oct. 1, 1997, pp. 687-690.

PDFH.-A. Loeliger,

**New turbo-like codes,**

*Proc. 1997 IEEE Int. Symp. Inform. Th.,*Ulm, Germany, June 29 - July 4, 1997, p. 109.

PDF

H.-A. Loeliger and T. Mittelholzer,

**Convolutional codes over groups,**

*IEEE Trans. Inform. Theory,*vol. 42, pp. 1660-1686, Nov. 1996.

N. Wiberg, H.-A. Loeliger and R. Kötter,

**Codes and iterative decoding on general graphs,**

*Europ. Trans. Telecomm.,*vol. 6, pp. 513-525, Sept/Oct. 1995.

PDF (10.8 MB)H. Andersson and H.-A. Loeliger,

**Codes from iterated maps,**

*Proc. 1995 IEEE Int. Symp. Inform. Th.,*Whistler, BC, Canada, Sept. 17-22, 1995, p. 309.

H.-A. Loeliger,

**An upper bound on the volume of discrete spheres,**

*IEEE Trans. Inform. Theory,*vol. 40, pp. 2071-2073, Nov. 1994.

PDFH.-A. Loeliger, G.D. Forney, Jr., T. Mittelholzer, and M.D. Trott,

**Minimality and observability of group systems,**

*Linear Algebra & Appl.,*vol. 205-206, pp. 937-963, July 1994.

PDFH.-A. Loeliger,

**A posteriori probabilities and performance evaluation of trellis codes,**

*Proc. 1994 IEEE Int. Symp. Inform. Th.,*Trondheim, Norway, June 27 - July 1, 1994, p. 335.H.-A. Loeliger,

**On the basic averaging arguments for linear codes,**

in*Communications and Cryptography: Two Sides of One Tapestry,*(festschrift in honor of James L. Massey on the occasion of his 60th birthday), R.E. Blahut et al., eds., Kluwer, 1994, pp. 251-261.

PDF; CorrectionsC. Chen, T. Chen, and H.-A. Loeliger,

**Construction of linear ring codes for 6-PSK,**

*IEEE Trans. Inform. Theory,*vol. 40, pp. 563-566, March 1994.

H.-A. Loeliger,

**Abelian-group convolutional codes for PSK need not be ring codes,**

*Proc. 6th Joint Swedish-Russian Int. Workshop on Information Theory,*Mölle, Sweden, Aug. 22-27, 1993, pp. 21-22.R.C. Davis and H.-A. Loeliger,

**A nonalgorithmic maximum likelihood decoder for trellis codes,**

*IEEE Trans. Inform. Theory,*vol. 39, pp. 1450-1453, July 1993.

H.-A. Loeliger,

*On Euclidean-space group codes.*

ETH Dissertation 9720, 1992.

PDF file, 4.3 MB.

H.-A. Loeliger,

**Signal sets matched to groups,**

*IEEE Trans. Inform. Theory,*vol. 37, pp. 1675-1682, Nov. 1991. IEEE XploreH.-A. Loeliger,

**On `linear' codes for the AWGN channel,**

*Proc. 4th Int. Colloq. on Coding Th.,*Dilijan, Armenia, Sept. 30 - Oct. 7, 1991, pp. 103-107.

H.-A. Loeliger,

**A practical reliability metric for block codes used on binary-input channels,**

*IEEE Trans. Comm.,*vol. 38, pp. 405-408, April 1990.

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