Publications
Many publications below are available online via the UniSA Research Archive. Please contace me if you cannot obtain an online version of a publication.

Journal Papers

journal
21 results

2020

  • Ishtiaq Ahmad, Khoa Nguyen, Nick Letzepis, Gottfried Lechner, "On the Next Generation High Throughput Satellite Systems with Optical Feeder Links", accepted for publication in IEEE Systems Journal, 2020. [bibtex]

2019

  • Assad Akhlaq, Imran Shafique Ansari, Gottfried Lechner, Mark Rice, Ishtiaq Ahmad, "Statistical characterisation and analysis of differential correlation-based frame detector", IET Communications, vol. 14, no. 17, pp. 2678 - 2687, 2019. [bibtex] [doi]

2018

  • Md. Noor-A-Rahim, M.O. Khyam, Y.L. Guan, G.G. Nawaz Ali, Khoa D. Nguyen, Gottfried Lechner, "Delay-Universal Channel Coding with Feedback", accepted for IEEE Access, 2018. [bibtex]
  • Kelvin Layton, Azam Mehboob, Bill Cowley, Gottfried Lechner, "Improved demapping for channels with data-dependent noise", EURASIP Journal on Wireless Communications and Networking, vol. 2018, no. 1, pp. 123, 2018. [bibtex] [doi]
  • Md. Noor-A-Rahim, Khoa D. Nguyen, Gottfried Lechner, "Design and Analysis of Anytime Codes for Relay Channels", IEEE Transactions on Communications, vol. 66, no. 4, pp. 1349-1362, 2018. [bibtex] [doi]

2017

  • Kelvin Layton, Azam Mehboob, Bill Cowley, Gottfried Lechner, "Predistortion for wideband nonlinear satellite downlinks", IEEE Communications Letters, vol. 21, no. 9, pp. 1985-1988, 2017. [bibtex] [doi]
  • Md. Noor-A-Rahim, Khoa D. Nguyen, Gottfried Lechner, "SC-LDPC Code Design for Half-Duplex Relay Channels", Wireless Personal Communications, vol. 92, no. 2, pp. 771-783, 2017. [bibtex] [doi]

2016

  • Sachini Jayasooriya, Mahyar Shirvanimoghaddam, Lawrence Ong, Gottfried Lechner, Sarah Johnson, "A New Density Evolution Approximation for LDPC and Multi-Edge Type LDPC Codes", IEEE Transactions on Communications, vol. 64, no. 10, pp. 4044-4056, 2016. [bibtex] [doi]
  • Md. Noor-A-Rahim, Khoa D. Nguyen, Gottfried Lechner, "SC-LDPC Code Design for Gaussian Multiple Access Channel", IET Communications, vol. 10, no. 17, pp. 2402-2406, 2016. [bibtex] [doi]
  • Md. Noor-A-Rahim, Khoa D. Nguyen, Gottfried Lechner, "Delay-universal codes for multiple access channels", Transactions on Emerging Telecommunications Technologies, vol. 27, no. 4, pp. 612-619, 2016. [bibtex] [doi]

2015

  • Gottfried Lechner, Ingmar Land, Alex Grant, "Linear and Non-Linear Run Length Limited Codes", IEEE Communications Letters, vol. 19, no. 7, pp. 1085-1088, 2015. [bibtex] [doi]
  • Md. Noor-A-Rahim, Khoa Nguyen, Gottfried Lechner, "Anytime Reliability of Spatially Coupled Codes", IEEE Transactions on Communications, vol. 63, no. 4, pp. 1069-1080, 2015. [bibtex] [doi]

2014

2013

2012

2011

Conference Papers

conference
54 results

2019

  • Kelvin Layton, Azam Mehboob, Bill Cowley, Gottfried Lechner, "Validating Predistortion Methods using a Flexible Hardware Testbed", in Proc. IEEE International Conference on Communcations, 2019. [bibtex]
  • Chang Kyung Sung, Ishtiaq Ahmad, Gottfried Lechner, Hajime Suzuki, "Performance Analysis of Distributed Transmit Beamforming with Quantized Channel Feedback", in Proc. IEEE Vehicular Technology Conference Spring, 2019. [bibtex]

2018

  • Ishtiaq Ahmad, Gottfried Lechner, Ismail Shakeel, "On the Error Rate Analysis of Distributed Transmit Beamforming", in Proc. International Telecommunication Networks and Applications Conference (ITNAC), 2018. [bibtex]
  • Stephen Leak, Ian Grivell, Hajime Suzuki, C.K. Sung, Mark Hedley, Gottfried Lechner, Marc Lavenant, Hidayat Soetiyono, Dmitry Kramarev, "Distributed Transmit Beamforming", in Proc. Military Communications and Information Systems (MilCIS) Conference, 2018. [bibtex]

2017

  • Assad Akhlaq, Mark Rice, Gottfried Lechner, "Satellite-based Search and Rescue System in the Presence of Multiple Beacons", in Proc. International Astronautical Congress, 2017. [bibtex]
  • Kelvin Layton, Azam Mehboob, Bill Cowley, Gottfried Lechner, "Compensation for Transmitter Distortions in High-Speed Satellite Downlinks", in Proc. International Astronautical Congress, 2017. [bibtex]
  • Azam Mehboob, Kelvin Layton, Bill Cowley, Gottfried Lechner, "Constellation Optimization for Nonlinear Satellite Channels", in Proc. International Astronautical Congress, 2017. [bibtex]

2016

  • K.A. Mudge, K.J. Grant, B.A. Clare, C.L. Bigg, W.G. Cowley, S. Manning, G. Lechner, "Development and characterisation of FPGA modems using forward error correction for FSOC", in Proc. SPIE 9833, Atmospheric Propagation XIII, 2016. [bibtex]
  • Md. Noor-A-Rahim, Gottfried Lechner, Khoa Nguyen, "Density Evolution Analysis of Spatially Coupled LDPC Codes Over BIAWGN Channel", in Proc. Australian Communications Theory Workshop, 2016. [bibtex]
  • Ginige Singithi Himashini De Silva, William Cowley, Gottfried Lechner, "Using Channel State Information for Low Latency Applications in Free-Space Optical Communication", in Proc. Australian Communications Theory Workshop, 2016. [bibtex]

2015

  • Md. Noor-A-Rahim, Khoa Nguyen, Gottfried Lechner, "Anytime Reliable Bilayer Codes with Uncoded Relaying", in Proc. IEEE International Conference on Communications, 2015. [bibtex]
  • Onurcan Iscan, Ingmar Land, Gottfried Lechner, "Repeat-Accumulate Codes for Broadcast Channels with Side Information", in Proc. International ITG Conference on Systems, Communications and Coding, 2015. [bibtex]

2014

2013

2012

2011

2010

2009

2008

2007

2006

  • Gottfried Lechner, Jossy Sayir, "Improved sum-min decoding of irregular LDPC codes using nonlinear post-processing", in Proc. NEWCOM-ACoRN joint workshop, Vienna, Austria, 2006. [bibtex]
  • Gottfried Lechner, Jossy Sayir, Ingmar Land, "Optimization of LDPC Codes for Receiver Frontends", in Proc. ISIT 2006, International Symposium on Information Theory, Seattle, USA, 2006. [bibtex] [doi]
  • Gottfried Lechner, Jossy Sayir, "Improved sum-min decoding for irregular LDPC codes", in Proc. 4th International Symposium on Turbo Codes and Related Topics, Munich, Germany, 2006. [bibtex]
  • Gottfried Lechner, "Optimization of LDPC Codes for Receiver Frontends", in Proc. 15th Joint Conference on Communications and Coding (JCCC), Sölden, Austria, 2006. [bibtex]

2005

  • Gottfried Lechner, "Suboptimal Components: How to cook well with cheap ingredients", in Proc. Winter School on Coding and Information Theory, Bratislava, Slovakia, 2005. [bibtex]

2004

2003

  • Gottfried Lechner, Rainer Wohlgenannt, Jossy Sayir, "Analyzing the effect of redundant parity-checks using EXIT charts", in Proc. 3rd International Symposium on Turbo Codes and Related Topics, Brest, France, 2003. [bibtex]
  • Gottfried Lechner, "Convergence of the sum-product algorithm for finite length low-density parity-check codes", in Proc. Winter School on Coding and Information Theory, Ascona, Switzerland, 2003. [bibtex]

2002

  • Gottfried Lechner, Jossy Sayir, "On the convergence of log-likelihood-ratios in iterative decoding", in Proc. Topics in Information Theory, Essen, Germany, 2002. [bibtex]

Thesis

thesis
2 results

2007

  • Gottfried Lechner, "Efficient Decoding Techniques for LDPC Codes", PhD thesis, Vienna University of Technology, 2007. [bibtex]

2003

  • Gottfried Lechner, "Convergence of the Sum-Product Algorithm for Short Low-Density Parity-Check Codes", Master's thesis, Vienna University of Technology, 2003. [bibtex]

Patents

5 results

2015

2014

Technical Reports

10 results

2017

  • Mark Rice, Assad Akhlaq, Gottfried Lechner, "Australian Second Generation Beacon Receiver Results and Proposal for further SGB PoC and D&E Testing", Technical report, Cospas-Sarsat Joint Committee, 31st Meeting, 2017. [bibtex]

2014

  • Mark Rice, Gottfried Lechner, John Ophel, "Second Generation Beacon Testing in Australia", Technical report, Cospas-Sarsat Joint Committee, 28th Meeting, 2014. [bibtex]

2009

  • Lin Luo, Gottfried Lechner, A. Jayasuriya, Soetiyono Hidayat, Y. Zheng, A. Zaidi, "5.9 ITS Interoperability Study", Technical report, Austroads, 2009. [bibtex]

2008

  • Jossy Sayir, Clemens Novak, Charly Poulliat, Gottfried Lechner, Neele Noels, "DR4.1 - State of the Art in Iterative Processing", Technical report, Network of Excellence for Wireless Communication (NEWCOM++), 2008. [bibtex]

2007

  • Yi Hong, Emanuele Viterbo, Markus Gartner, Helmut Bolcskei, Jean-Claude Belfiore, Gottfried Lechner, Andreas Burg, Clemens Novak, Franz Hlawatsch, Gerald Matz, "D1.2.1 - Multi-user space-time code design and database of specific code constructions", Technical report, Multiple-Access Space-Time Coding Testbed (MASCOT), 2007. [bibtex]
  • Gottfried Lechner, Andreas Burg, "D6.3 - Design of Spatially Multiplexed LDPC Codes for Multi-User Detection", Technical report, Telecommunications Research Center Vienna (ftw.), 2007. [bibtex]

2006

  • Gottfried Lechner, Jossy Sayir, "D3.5 - Iterative Receivers Progress Report", Technical report, Telecommunications Research Center Vienna (ftw.), 2006. [bibtex]

2005

  • Guido Masera, L. Dinoi, D. Kammler, Gottfried Lechner, F. Quaglio, O. Schliebusch, "DR4.5 - Implementation approaches for high performance decoders", Technical report, Network of Excellence for Wireless Communication (NEWCOM), 2005. [bibtex]
  • Gottfried Lechner, Christoph Angerer, "D3.4 - Iterative Receivers Progress Report", Technical report, Telecommunications Research Center Vienna (ftw.), 2005. [bibtex]

2004

  • Gottfried Lechner, "D3.3 - Iterative Receivers Progress Report", Technical report, Telecommunications Research Center Vienna (ftw.), 2004. [bibtex]
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