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Publications

V. Despotovic, N. Görtz, Z. Peric

Nonlinear Long-Term Prediction of Speech Based on Truncated Volterra Series, IEEE Transactions on Audio, Speech, and Language Processing, 20(3) , pages 1069 - 1073, 2012. [BibTeX]

Mehdi Molu, N. Görtz

A Study on Relaying Soft Information with Error Prone Relays, in Proc. Proceedings Forty-Ninth Annual Allerton Conference on Communication, Urbana Champain, Illinios, USA, September, 2011. [BibTeX]

Mehdi Molu, N. Görtz

Cooperative space-time coding using distributed turbo codes, in Proc. Proceedings Wireless Advanced, pages 70 - 74, London, June, 2011. [BibTeX]

N. Görtz, J. Gonter

Limits on Information Transmission in Vehicle-to-Vehicle Communication, in Proc. Proceedings IEEE Vehicular Technology Conference Spring 2011, Budapest, Hungary, May, 2011. [BibTeX]

Hua Zhou, N. Görtz

Unavoidable Cycles in Polynomial-Based Time-Invariant LDPC Convolutional Codes, in Proc. Proceedings European Wireless 2011, Vienna, April, 2011. [BibTeX]

N. Görtz, J. Gonter

Information Transmission over a Finite-Lifetime Channel under Energy-Constraints, in Proc. Proceedings European Wireless 2011, Vienna, April, 2011. [BibTeX]

N. Görtz

Bit-Significances of Source-Coded Data: Analysis and Applications, in Proc. Proceedings ITG Fachtagung Sprachkommunikation, Bochum, October, 2010. [BibTeX]

Hua Zhou, N. Görtz

Cycle Analysis of Time-variant LDPC Convolutional Codes, in Proc. Proc. Turbo Codes and Iterative Information Processing (ISTC), 2010, pages 48 - 52, Brest, France, September, 2010. [BibTeX]

Hua Zhou, N. Görtz

Cycle analysis of time-invariant LDPC convolutional codes, in Proc. 2010 IEEE 17th International Conference on Telecommunications (ICT), pages 23 - 28, Qatar, April, 2010. [BibTeX]

X. Xu, M. Flanagan, N. Görtz, J. Thompson

Joint Channel and Network Coding for Cooperative Diversity in a Shared-Relay Environment, IEEE Transactions on Wireless Communications, 9(8) , pages 2420 - 2423, 2010. [BibTeX]

M. Shaqfeh, N. Görtz, J. Thompson

Ergodic Capacity of Block-Fading Gaussian Broadcast and Multi-access Channels for Single-User-Selection and Constant-Power, in Proc. Proceedings European Signal Processing Conference (EUSIPCO), pages 784 - 788, Glasgow, Scotland, August, 2009. [BibTeX]

J. Jiang, J. Thompson, P. Grant, N. Görtz

Practical Compress-And-Forward Cooperation For The Classical Relay Network, in Proc. Proceedings European Signal Processing Conference (EUSIPCO), pages 2421 - 2425, Glasgow, Scotland, August, 2009. [BibTeX]

M. Shaqfeh, N. Görtz

Comments on the Boundary of the Capacity Region of Multiaccess Fading Channels, IEEE Transactions on Information Theory, 55(7) , pages 3407 - 3408, 2009. [BibTeX]

I. Krikidis, J. Thompson, S. McLaughlin, N. Görtz

Max-Min Relay Selection for Legacy Amplify-and-Forward Systems with Interference, IEEE Transactions on Wireless Communications, 8(6) , pages 3016 - 3027, 2009. [BibTeX]

U. Heute, N. Görtz

Efficient Speech Coding and Transmission over Noisy Channels, Handbook of Signal Processing in Acoustics, pages 853 - 882, New York, 2009. [BibTeX]

X. Xu, M. Flanagan, C Koller, N. Görtz

A Shared-Relay Cooperative Diversity Scheme Based on Joint Channel and Network Coding, in Proc. Proc. IEEE International Symposium on Information Theory and Applications, pages 417 - 422, Auckland, New Zealand, December, 2008. [BibTeX]

D. Mitchell, A. Pusane, N. Görtz, D. Costello

Free Distance Bounds for Protograph-Based Regular LDPC Convolutional Codes, in Proc. Proc. 5th International Symposium on Turbo Codes and Related Topics, pages 408 - 413, Lausanne, September, 2008. [BibTeX]

X. Xu, M. Flanagan, N. Görtz

A Shared-Relay Cooperative Diversity Scheme Based on Joint Channel and Network Coding in the Multiple Access Channel, in Proc. Proceedings of 5th International Symposium on Turbo Codes and Related Topics, pages 243 - 248, Lausanne, September, 2008. [BibTeX]

I. Krikidis, J. Thompson, S. McLaughlin, N. Görtz

Non-orthogonal Amplify-and-Forward for Block-Fading Channels, in Proc. Proceedings International Symposium on Information Theory, pages 842 - 846, Toronto, CA, July, 2008. [BibTeX]

M. Shaqfeh, N. Görtz

Performance analysis of scheduling policies for delay-tolerant applications in centralized wireless networks, in Proc. SPECTS 2008, International Symposium on Performance Evaluation of Computer and Telecommunication Systems 2008, Edinburgh, June, 2008. [BibTeX]

M. Shaqfeh, N. Görtz

Channel-Aware Scheduling with Resource-Sharing Constraints in Wireless Networks, in Proc. Proceedings IEEE International Conference on Communications, pages 4149 - 4153, Bejing, China, May, 2008. [BibTeX]

I. Krikidis, J. Thompson, N. Görtz

Cross-Layer Issues for Cooperative Networks, in Proc. Proceedings IEEE Wireless Communications and Networking Conference (WCNC), pages 1300 - 1305, Las Vegas, March, 2008. [BibTeX]

I. Krikidis, J. Thompson, N. Görtz

A Cross-layer approach for cooperative networks, IEEE Transactions on Vehicular Technology, 57(5) , pages 3257 - 3263, 2008. [BibTeX]

I. Krikidis, J. Thompson, S. McLaughlin, N. Görtz

Amplifying and forward with partial relay selection, IEEE Communications Letters, 12(4) , pages 235 - 237, 2008. [BibTeX]

X. Xu, N. Görtz

Practical Successive Interference Cancellation in the Binary-Input Gaussian Multiple Access Channel, in Proc. Proc. International ITG Conference on Source and Channel Coding, Munich, January, 2008. [BibTeX]

I. Krikidis, J. Thompson, S. McLaughlin, N. Görtz

Optimization issues for cooperative Amplify-and-Forward systems over block-fading channels, IEEE Transactions on Vehicular Technology, 57(9) , pages 2868 - 2884, 2008. [BibTeX]

D. Mitchell, L. O´Carroll, N. Görtz

Towards Efficient Encoding Using Polynominals, in Proc. Proceedings International ITG Conference on Source and Channel Coding, Munich, January, 2008. [BibTeX]

D. Mitchell, L. O Carroll, N. Görtz

A New Method of Encoding Block Codes with Polynomials, in Proc. International Symposium on Communication Theory and Applications, Ambleside, UK, July, 2007. [BibTeX]

H. Qi, N. Görtz

Almost Linear Encoding of LDPC Codes: A New Algorithm and its Performance, in Proc. Proc. 9th Internation Symposium on Communication Theory and Applications, Ambleside, UK, July, 2007. [BibTeX]

M. Shaqfeh, N. Görtz

Systematic Modification of Parity-Check Matrices for Efficient Encoding of LDPC Codes, in Proc. Proc. IEEE International Conference on Communications, pages 945 - 950, Glasgow, Scotland, May, 2007. [BibTeX]

C. Kuhn, N. Görtz

A Low-Complexity Path Metric for Tree-Based Multiple-Antenna Detectors, in Proc. Proc. IEEE International Conference on Communications, pages 1024 - 1029, Glasgow, Scotland, May, 2007. [BibTeX]

T. Eriksson, N. Görtz

On Bit Error Robustness of Trellis Source Codes, in Proc. Proc. IEEE International Conference on Communications, pages 877 - 882, Glasgow, Scotland, May, 2007. [BibTeX]

T. Eriksson, N. Görtz

Rateless codes based on linear congruential recursions, Electronics Letters, 43(7) , pages 402 - 404, 2007. [BibTeX]

N. Görtz

Joint Source-Channel Coding of Discrete-Time Signals with Continuous Amplitudes, London, UK, 2007. [BibTeX]

C. Kuhn, N. Görtz

A universal metric for sequential MIMO detection, European Transactions on Telecommunications, 18(8) , pages 837 - 843, 2007. [BibTeX]

J. Anderson, T. Eriksson, N. Görtz

Linear Congruential Trellis Source Codes: Design and Analysis, IEEE Transactions on Communications, 55(9) , pages 1693 - 1701, 2007. [BibTeX]

J. Anderson, T. Eriksson, N. Görtz

On the BCJR Algorithm for Rate-Distortion Source Coding, IEEE Transactions on Information Theory, 53(9) , pages 3201 - 3207, 2007. [BibTeX]

N. Görtz, T. Eriksson, J. Anderson

Logarithmic Bit-Significance Ratio: Definition, Calculation Rules and Examples, in Proc. Proc. IEEE International Symposium on Information Theory (ISIT), pages 2869 - 2873, Seattle, WA, USA, July, 2006. [BibTeX]

T. Eriksson, N. Görtz, M. Novak

Residual Image Coding Using Trellis Quantization, in Proc. Proc. International Conference on Acoustics, Speech, and Signal Processing (ICASSP), pages 441 - 444, Toulouse, France, May, 2006. [BibTeX]

T. Eriksson, N. Görtz, M. Novak, J. Anderson

Trellis Based Variable Rate Residual Image Coding over Noisy Channels, in Proc. Proc. Data Compression Conference (DCC), pages 252 - 261, Snowbird, Utah, USA, April, 2006. [BibTeX]

J. Kliewer, N. Görtz, A. Mertins

Iterative source-channel decoding with Markov random field source models, IEEE Transactions on Signal Processing, 54(10) , pages 3688 - 3701, 2006. [BibTeX]

J. Anderson, N. Görtz, T. Eriksson

On the BCJR algorithm for Rate-Distortion Source Coding, in Proc. Proceedings of the IEEE International Symposium on Information Theory, pages 1932 - 1936, Adelaide, Australia, September, 2005. [BibTeX]

N. Görtz

Quantification and Use of Dynamic Bit-Significances in Communication Transmitters, in Proc. Proc. International Symposium on Communication Theory and Applications (ISCTA), pages 136 - 141, Ambleside, UK, July, 2005. [BibTeX]

N. Görtz

A Systematic Description of Source Significance Information, in Proc. Proc. International Workshop on Signal Processing for Wireless Communications, London, UK, May, 2005. [BibTeX]

J. Kliewer, N. Görtz

Two-dimensional soft-input source decoding for robust transmission of compressed images, Electronics Letters, 41(4) , pages 184 - 185, 2005. [BibTeX]

F. Schreckenbach, P. Henkel, N. Görtz, G. Bauch

Analysis and Design of Mappings for Iterative Decoding of BICM, in Proc. Proc. XI National Symposium on Radio Sciences, Poznan, Poland, 2005. [BibTeX]

N. Görtz, A. Schaefer

The Use of EXIT Charts in Iterative Source-Channel Decoding, in Proc. Proc. European Signal Processing Conference (EUSIPCO), Wien, September, 2004. [BibTeX]

J. Kliewer, N. Görtz, A. Mertins

On Iterative Source-Channel Image Decoding with Markov Random Field Source Models, in Proc. Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), pages 661 - 664, Montreal, Canada, May, 2004. [BibTeX]

T. Eriksson, J. Anderson, M. Novak, N. Görtz

New Methods for Trellis Source Coding at Rates Above and Below One, in Proc. Proceedings Data Compression Conference (DCC), pages 537, Snowbird, Utah, USA, March, 2004. [BibTeX]

J. Kliewer, N. Görtz, A. Mertins

Iterative Source-Channel Decoding for Error-Resilient Image Transmission Using a Markov Random Field Source Model, in Proc. Proc. 5th ITG Conference on Source and Channel Coding, pages 305 - 310, Erlangen, Germany, January, 2004. [BibTeX]

N. Görtz

Joint Source-Channel Coding for Continuous-Amplitude Sources, Habilitation thesis, Technische Universitaet Muenchen, Fakultaet fuer Elektrotechnik und Informationstechnik, Habilitation, 2004. [BibTeX]

F. Schreckenbach, N. Görtz, J. Hagenauer, G. Bauch

Optimized Symbol Mappings for Bit-Interleaved Coded Modulation with Iterative Decoding, in Proc. Proc. IEEE Global Telecommunications Conference (GLOBECOM), pages 3316 - 3320, San Francisco, USA, December, 2003. [BibTeX]

N. Görtz

Joint Source-Channel Coding for Coded Speech Transmission (invited), in Proc. Proc. 14th Conference Electronic Speech Signal Processing, pages 106 - 113, Karlsruhe, Germany, September, 2003. [BibTeX]

N. Görtz

Optimization of Bit Mappings for Iterative Source-Channel Decoding, in Proc. Proc. International Symposium on Turbo Codes and Related Topics, pages 255 - 258, Brest, France, September, 2003. [BibTeX]

A. Schaefer, N. Görtz, J. Hagenauer

Analysis Tools for Iterative Source-Channel Decoding, in Proc. Proc. International Symposium on Turbo Codes and Related Topics, pages 579 - 582, Brest, France, September, 2003. [BibTeX]

J. Hagenauer, N. Görtz

The Turbo-Principle in Joint Source-Channel Coding (invited), in Proc. Proc. IEEE Information Theory Workshop, pages 275 - 278, Paris, France, April, 2003. [BibTeX]

N. Görtz, E. Bresch

Source-Adaptive Power Allocation for Digital Modulation, IEEE Communications Letters, 7(12) , pages 569 - 571, 2003. [BibTeX]

N. Görtz, J. Kliewer

Memory Efficient Adaptation of Vector Quantizers to Time-Varying Channels, Signal Processing, 83, pages 1519 - 1528, 2003. [BibTeX]

N. Görtz, P. Leelapornchai

Optimization of the Index Assignments for Multiple Description Vector Quantizers, IEEE Transactions on Communications, 51(3) , pages 336 - 340, 2003. [BibTeX]

F. Schreckenbach, N. Görtz, J. Hagenauer, G. Bauch

Optimization of Symbol Mappings for Bit-Interleaved Coded Modulation with Iterative Decoding, IEEE Communications Letters, 7(12) , pages 593 - 595, 2003. [BibTeX]

N. Görtz

Delay-Constrained Coding and Transmission of Continuous-Amplitude Sources, in Proc. Proc. Joint Workshop on Communications and Coding (JCCC), Barolo. Italy, November, 2002. [BibTeX]

N. Görtz

Source-Adaptive Shifting of Modulation Signal Sets, in Proc. Proc. IEEE International Symposium on Information Theory, pages 374, Lausanne, Switzerland, June, 2002. [BibTeX]

N. Görtz

Source-Adaptive Shifting of Modulation Signal Points for Improved Transmission of Waveform Signals over Noisy Channels, in Proc. Proc. IEEE International Conference on Acoustics, Speech and Signal Processing, pages 2517 - 2520, Orlando, Florida, USA, May, 2002. [BibTeX]

M. Kaindl, N. Görtz

AMR Voice Transmission over Mobile Internet, in Proc. IEEE Proc. International Conference on Acoustics, Speech and Signal Processing (ICASSP), pages 2049 - 2052, Orlando, Florida, USA, May, 2002. [BibTeX]

J. Kliewer, N. Görtz

Iterative Source-Channel Decoding for Robust Image Transmission, in Proc. Proc. IEEE International Conference on Acoustics, Speech and Signal Processing, pages 2173 - 2176, Orlando, Florida, USA, May, 2002. [BibTeX]

J. Barros, J. Hagenauer, N. Görtz

Turbo Cross Decoding of Multiple Descriptions, in Proc. Proc. IEEE International Conference on Communications (ICC), pages 1398 - 1402, New York, USA, April, 2002. [BibTeX]

N. Görtz

A Generalised Framework for Iterative Source-Channel Decoding, Turbo Codes: Error-correcting Codes of Widening Application, 2002. [BibTeX]

N. Görtz

Channel-Adaptive Scaled Vector Quantisation (CASVQ) for Low-Cost Approximation of COVQ on Time-Varying Channels, in Proc. Proc. IEEE International Symposium on Information Theory (ISIT), pages 262, Washington D.C., USA, June, 2001. [BibTeX]

J. Kliewer, N. Görtz

Soft-Input Source Decoding for Robust Transmission of Compressed Images Using Two-Dimensional Optimal Estimation, in Proc. Proc. IEEE International Conference on Acoustics, Speech and Signal Processing, pages 2565 - 2568, Salt Lake City, Utah, USA, May, 2001. [BibTeX]

N. Görtz

How to simplify Channel-Optimized Vector Quantization for Time-Varying Channels, in Proc. Proc. Joint Workshop on Communications and Coding (JCCC), pages 13, Bad Kleinkirchheim, February, 2001. [BibTeX]

N. Görtz

A Generalized Framework for Iterative Source-Channel Decoding, Annals of telecommunications, 56(7/8) , pages 435 - 446, 2001. [BibTeX]

N. Görtz

On the Iterative Approximation of Optimal Joint Source-Channel Decoding, IEEE Journal on Selected Areas in Communications, 19(9) , pages 1662 - 1670, 2001. [BibTeX]

J. Kliewer, N. Görtz

Error-Resilient Transmission of Compressed Images over Very Noisy Channels Using Soft-Input Source Decoding, in Proc. Proc. 34th Asilomar Conference on Signals, Systems, and Computers, pages 1035 - 1039, Pacific Grove, California, October, 2000. [BibTeX]

N. Görtz, U. Heute

Joint Source-Channel Decoding with Iterative Algorithms, in Proc. Proc. European Signal-Processing Conference (EUSIPCO), pages 425 - 428, Tampere, Finland, September, 2000. [BibTeX]

N. Görtz

Analysis and Performance of Iterative Source-Channel Decoding", in Proc. Proc. International Symposium on Turbo Codes and Related Topics, pages 251 - 254, Brest, France, September, 2000. [BibTeX]

N. Görtz

Iterative Source-Channel Decoding using Soft-In/Soft-Out Decoders, in Proc. Proc. IEEE International Symposium on Information Theory (ISIT), pages 173, Sorrento, Italy, June, 2000. [BibTeX]

N. Görtz

Joint Source-Channel Decoding by Channel-Coded Optimal Estimation, in Proc. Proc. ITG Conference Source and Channel Coding, pages 267 - 272, Munich, Germany, January, 2000. [BibTeX]

N. Görtz

Joint Source-Channel Decoding by Channel-Coded Optimal Estimation (CCOE) for a CELP Speech Codec, in Proc. Proc. European Conference on Speech Communication and Technology (EUROSPEECH), pages 1447 - 1450, Budapest, Hungary, September, 1999. [BibTeX]

N. Görtz

Analysis and Comparison of Analysis-by-Synthesis and Backward Prediction (original German title: Gegenueberstellung von Analyse-durch-Synthese und Rueckwaertspraediktion), in Proc. Proc. Conference Electronic Speech Signal Processing, pages 50 - 57, Goerlitz, Germany, September, 1999. [BibTeX]

N. Görtz

Aufwandsarme Qualitätsverbesserungen bei der gestörten Übertragung codierter Sprachsignale, Aachen, 1999. [BibTeX]

N. Görtz

On the Combination of Redundant and Zero-Redundancy Channel Error Detection in CELP Speech Coding, in Proc. Proc. European Signal-Processing Conference (EUSIPCO), pages 721 - 724, Rhodes, Greece, September, 1998. [BibTeX]

M. Hauenstein, N. Görtz

On the Application of a Psychoacoustically Motivated Speech-Quality Measure in CELP Speech Coding, in Proc. Proc. European Conference on Signal Processing (EUSIPCO), pages 1421 - 1424, Rhodes, Greece, September, 1998. [BibTeX]

N. Görtz

Joint Source-Channel Decoding using Bit-Reliability Information and Source Statistics, in Proc. Proc. IEEE International Symposium on Information Theory (ISIT), pages 9, Cambridge, MA, USA, August, 1998. [BibTeX]

N. Görtz

Zero-Redundancy Error Protection for CELP Speech Codecs, in Proc. Proc. European Conference on Speech Communication and Technology (EUROSPEECH), pages 1283 - 1286, Rhodes, Greece, September, 1997. [BibTeX]

N. Görtz

A new GSM Speech and Channel Codec with Enhanced Speech Quality (original in German), in Proc. Proc. Aachener Kolloquium Signaltheorie, pages 219 - 224, Aachen, Germany, March, 1997. [BibTeX]