## 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

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-> Current PhD Students

The list is not exhaustive, but nearly so.
Some **favorite papers from past years**
are marked **blue**.
See also the copyright notice at the bottom of this page.

Index terms on this page: factor graphs, signal processing, information theory, error correcting codes, communications, dynamical systems, circuits, analog-to-digital conversion, digital-to-analog conversion.

H.-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:1508.00689Boxiao 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.

Index terms: signal processing 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.

Index terms: signal processing 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.

Index terms: signal processing PreprintJiun-Hung Yu and H.-A. Loeliger,

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

Index terms: error correcting codes. arXiv:1612.07854R.A. Wildhaber, N. Zalmai, M. Jacomet, and H.-A. Loeliger,

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

*IASTED Int. Conf. on Biomedical Engineering,*Innsbruck, Austria, February 20-21, 2017.

Index terms: signal processing 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.

Index terms: error correcting codes. 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.

Index terms: signal processing. 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.

Index terms: signal processing, factor graphs 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.

Index terms: signal processing, factor graphs 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.

Index terms: signal processing. 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.

Index terms: signal processing. 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.

Index terms: signal processing, factor graphs. 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.

Index terms: signal processing. 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.

Index terms: error correcting codes. 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.

Index terms: signal processing. 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.

Index terms: signal processing. 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.

Index terms: signal processing, factor graphs. 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.

Index terms: signal processing. 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.

Index terms: signal processing. 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.

Index terms: analog-to-digital conversion, signal processing. 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.

Index terms: signal processing, dynamical systems. 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.

Index terms: error correcting codes. 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.

Index terms: signal processing. 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.

Index terms: signal processing. 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.

Index terms: error correcting codes. 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.

Index terms: factor graphs. 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.

Index terms: signal processing. 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.

Index terms: information theory. 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,**

Index terms: signal processing, 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.

Index terms: signal processing, factor graphs. 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.

Index terms: information theory. 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.

Index terms: signal processing.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 .

Index terms: factor graphs. 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.

Index terms: communications, signal processing, factor graphs. IEEE Xplore / preprintJiun-Hung Yu and H.-A. Loeliger,

**On polynomial remainder codes**

Index terms: error correcting 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.

Index terms: signal processing, factor graphs. 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.

Index terms: signal processing, factor graphs. 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.

Index terms: error correcting codes. 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.

Index terms: signal processing, factor graphs. 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.

Index terms: signal processing, factor graphs. 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.

Index terms: analog-to-digital conversion, signal processing, dynamical systems, factor graphs. 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.

Index terms: error correcting codes. 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.

Index terms: information theory, factor graphs. 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.

Index terms: signal processing, factor graphs. 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.

Index terms: signal processing, factor graphs.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.

Index terms: information theory, factor graphs. 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.

Index terms: communications, signal processing.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.

Index terms: signal processing, factor graphs.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.

Index terms: signal processing.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.

Index terms: factor graphs, signal processing. 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.

Index terms: information theory.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.

Index terms: analog-to-digital conversion. 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.

Index terms: information theory. 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.

Index terms: factor graphs, signal processing. 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.

Index terms: analog-to-digital conversion, digital-to-analog conversion. PDF

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.

Index terms: circuits, communications. 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.

Index terms: factor graphs, signal processing, communications. 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.

Index terms: information theory. 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.

Index terms: dynamical systems, circuits.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.

Index terms: factor graphs, signal processing. 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.

Index terms: analog-to-digital conversion. 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.

Index terms: analog-to-digital conversion. 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.

Index terms: circuits, error correcting codes. 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.

Index terms: factor graphs, signal processing. 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.

Index terms: factor graphs, signal processing. 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.

Index terms: signal processing, factor graphs. 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.

Index terms: factor graphs. 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.

Index terms: information theory. 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.

Index terms: signal processing, factor graphs. 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.

Index terms: factor graphs, signal processing. 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.

Index terms: factor graphs, signal processing. PDFH.-A. Loeliger,

**An introduction to factor graphs,**

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

Index terms: factor graphs. 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.

Index terms: factor graphs. 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.

Index terms: factor graphs. 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.

Index terms: information theory.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.

Index terms: factor graphs, communications.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.

Index terms: circuits, error correcting codes. 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.

Index terms: factor graphs, circuits. 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.

Index terms: factor graphs, signal processing. 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.

Index terms: information theory. 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.

Index terms: error correcting codes.

H.-A. Loeliger,

**Analog decoding and beyond,**

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

Index terms: circuits, error correcting codes. 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.

Index terms: information theory. 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.

Index terms: circuits, error correcting codes. 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.

Index terms: circuits, error correcting codes. 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.

Index terms: factor graphs. 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.

Index terms: information theory, communications.

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

**Decoding in analog VLSI,**

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

Index terms: circuits, error correcting codes.

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.

Index terms: circuits, error correcting codes.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.

Index terms: communications.

H.-A. Loeliger,

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

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

Index terms: information theory, error correcting codes. 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.

Index terms: factor graphs. 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.

Index terms: error correcting codes, dynamical systems. PDFH.-A. Loeliger,

**New turbo-like codes,**

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

Index terms: error correcting codes. PDF

H.-A. Loeliger and T. Mittelholzer,

**Convolutional codes over groups,**

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

Index terms: error correcting codes, dynamical systems.

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.

Index terms: factor graphs, error correcting codes. 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.

Index terms: error correcting codes, dynamical systems.

H.-A. Loeliger,

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

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

Index terms: information theory. 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.

Index terms: error correcting codes, dynamical systems. 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.

Index terms: error correcting codes, communications.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.

Index terms: error correcting codes, information theory. 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.

Index terms: error correcting codes.

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.

Index terms: error correcting codes, dynamical systems.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.

Index terms: circuits, error correcting codes.

H.-A. Loeliger,

*On Euclidean-space group codes.*

ETH Dissertation 9720, 1992.

Index terms: error correcting codes, communications, dynamical systems.

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.

Index terms: error correcting codes.

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.

Index terms: error correcting codes, communications.

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