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Marc Adrat

Dr.-Ing. Marc Adrat (2005)

Lehrbeauftragter

Jetziger Arbeitgeber:: Fraunhofer-Institut für Kommunikation, Informationsverarbeitung und Ergonomie (FKIE), Wachtberg
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Lehrtätigkeit

Vorlesung: Channel Coding and Modulation

Veröffentlichungen

Schmalen, L., Adrat, M., Clevorn, T. und Vary, P.:

EXIT Chart Based System Design for Iterative Source-Channel Decoding with Fixed-Length Codes,
in: IEEE Transactions on Communications, Band 59, Nr. 9, Sep. 2011, S. 2406–2413, ISSN: 0090-6778, DOI: 10.1109/TCOMM.2011.062311.090019.
Schmalen, L., Vary, P., Clevorn, T. und Adrat, M.:

Turbo Source Compression with Jointly Optimized Inner Irregular and Outer Irregular Codes,
in: Proceedings of IEEE Vehicular Technology Conference (VTC-Fall), (Ottawa, Canada, 6.-9.9.2010), Sep. 2010, ISBN: 978-1-42443-573-9, DOI: 10.1109/VETECF.2010.5594217.
Clevorn, T., Schmalen, L., Vary, P. und Adrat, M.:

Hybrid ARQ with Incremental Redundant Index Assignments for Iterative Source-Channel Decoding,
in: Proceedings of IEEE International Conference on Communications (ICC), (Cape Town, South Africa), Mai 2010.
Adrat, M., Antweiler, M., Schmalen, L., Vary, P. und Clevorn, T.:

On the Overshooting Effect in EXIT Charts of Iterative Source-Channel Decoding,
in: Proceedings of IEEE International Conference on Communications (ICC), (Cape Town, South Africa), Mai 2010.
Schmalen, L., Vary, P. und Adrat, M.:

Reduced-Search Source Decoders for Iterative Source-Channel Decoding,
in: ITG-Fachtagung Sprachkommunikation, (Aachen, Germany), VDE Verlag GmbH, Okt. 2008, ISBN: 978-3-80073-120-6.
Clevorn, T., Schmalen, L., Vary, P. und Adrat, M.:

Iterative Source-Channel Decoding: Design of Redundant Index Assignments,
in: ITG-Fachtagung Sprachkommunikation, (Aachen), VDE Verlag GmbH, Okt. 2008, ISBN: 978-3-80073-120-6.
Schmalen, L., Vary, P., Adrat, M. und Clevorn, T.:

Complexity-Reduced Iterative Source-Channel Decoding by Conditional Quantization,
in: Proceedings of International Symposium on Turbo Codes & Related Topics, (Lausanne, CH), Sep. 2008, S. 327–332, ISBN: 978-1-42442-862-5.
Clevorn, T., Schmalen, L., Vary, P. und Adrat, M.:

On Redundant Index Assignments for Iterative Source-Channel Decoding,
in: IEEE Communications Letters, Band 12, Nr. 7, Juli 2008, S. 514–516, ISSN: 1089-7798.
Adrat, M., Clevorn, T. und Schmalen, L.:

Iterative Source-Channel Decoding & Turbo DeCodulation,
in: Advances in Digital Speech Transmission, hrsg. von Martin, R., Heute, U. und Antweiler, C., Chichester, UK: John Wiley & Sons, Ltd., Jan. 2008, Kap. 13, S. 365–398, ISBN: 978-0-47051-739-0.
Schmalen, L., Vary, P., Adrat, M. und Clevorn, T.:

On the EXIT Characteristics of Feed Forward Convolutional Codes,
in: Proceedings of IEEE International Symposium on Information Theory (ISIT), (Nice, France), Juni 2007, S. 2686–2690.
Adrat, M., Clevorn, T., Brauers, J. und Vary, P.:

Minimum Terms of Residual Redundancy for Successful Iterative Source-Channel Decoding,
in: IEEE Communications Letters, Band 10, Nr. 11, Nov. 2006, S. 778–780.
Clevorn, T., Schmalen, L., Vary, P. und Adrat, M.:

On the Optimum Performance Theoretically Attainable for Scalarly Quantized Correlated Sources,
in: Proceedings of International Symposium on Information Theory and its Applications (ISITA), (Seoul, Korea), Okt. 2006.
Clevorn, T., Vary, P. und Adrat, M.:

Iterative Source-Channel Decoding Using Short Block Codes,
in: Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), (Toulouse, France), Band IV, Mai 2006, S. 221–224.
Clevorn, T., Adrat, M. und Vary, P.:

Turbo DeCodulation using Highly Redundant Index Assignments and Multi-Dimensional Mappings,
in: Proceedings of International Symposium on Turbo Codes & Related Topics, (Munich, Germany), Apr. 2006.
Adrat, M., Antweiler, M., Clevorn, T., Korall, B. und Vary, P.:

EXIT-Optimized Quantizer Design for Iterative Source-Channel Decoding,
in: Proceedings of International Symposium on Turbo Codes & Related Topics, (Munich, Germany), Apr. 2006.
Clevorn, T., Vary, P. und Adrat, M.:

Iterative Source-Channel Decoding using Short Block Codes,
in: ITG-Fachtagung Sprachkommunikation, (Kiel, Germany), Apr. 2006.
Clevorn, T., Schotsch, B., Schmalen, L., Vary, P. und Adrat, M.:

Separation of Recursive Convolutional Codes into Sub-Codes using Galois Field Arithmetic,
in: Proceedings of Conference on Information Sciences and Systems (CISS), (Princeton, NJ, USA), März 2006.
Clevorn, T., Vary, P. und Adrat, M.:

Parameter SNR Optimized Index Assignments and Quantizers based on First Order A Priori Knowledge for Iterative Source-Channel Decoding,
in: Proceedings of Conference on Information Sciences and Systems (CISS), (Princeton, NJ, USA), März 2006, S. 1429–1434.
Clevorn, T., Brauers, J., Adrat, M. und Vary, P.:

Turbo Decodulation: Iterative Combined Demodulation and Source-Channel Decoding,
in: IEEE Communications Letters, Band 9, Nr. 9, Sep. 2005, S. 820–822.
Clevorn, T., Brauers, J., Adrat, M. und Vary, P.:

EXIT Chart Analysis of Turbo Decodulation,
in: Proceedings of IEEE International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC), (Berlin, Germany), Band 2, Sep. 2005, S. 711–715.
Brüggen, T., Adrat, M. und Vary, P.:

BPSK Modulation with Unequal Power Allocation Considering A Priori Knowledge,
in: Proceedings of IEEE International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC), (Berlin, Germany), Band 2, Sep. 2005, S. 1071–1075.
Adrat, M., Brauers, J., Clevorn, T. und Vary, P.:

The EXIT-Characteristic of Softbit-Source Decoders,
in: IEEE Communications Letters, Band 9, Nr. 6, Juni 2005, S. 540–542.
Adrat, M., Vary, P. und Clevorn, T.:

Optimized Bit Rate Allocation for Iterative Source-Channel Decoding and its Extension towards Multi-Mode Transmission,
in: Proceedings of IST Mobile and Wireless Communications Summit, (Dresden, Germany, 0.-0.6.2005), Juni 2005.
Schmalen, L. und Adrat, M.:

An Iterative, Turbo-like Approach to Convolutional Decoding,
in: Proceedings of International Student Conference on Electrical Engineering (POSTER), (Prague, Czech Republic), Mai 2005.
Adrat, M. und Vary, P.:

Iterative Source-Channel Decoding: Improved System Design Using EXIT Charts,
in: EURASIP Journal on Applied Signal Processing, Band 2005, Nr. 6, Mai 2005, S. 928–941.
– Special Issue on Turbo Processing –.
Clevorn, T. und Adrat, M.:

TURBO-DeCodulation: Iterative Combined Demodulation and Source-Channel Decoding,
in: Sitzung der ITG-Fachgruppe "Angewandte Informationstheorie", (Aachen, Germany), Apr. 2005.
Adrat, M. und Clevorn, T.:

TURBO-DeCodulation: Gemeinsame Optimierung der Quellen- und Kanaldecodierungs-Komponenten mittels EXIT-Chart Analyse,
in: Sitzung der ITG-Fachgruppe "Angewandte Informationstheorie", (Aachen, Germany), Apr. 2005.
Adrat, M. und Vary, P.:

Iterative Source-Channel Decoding with Code Rates near r = 1,
in: Proceedings of IEEE International Conference on Communications (ICC), (Paris, France), Band 2, Juni 2004, S. 877–880.
Adrat, M., Picard, J. und Vary, P.:

Efficient Near-Optimum Softbit Source Decoding for Sources with Inter- and Intra-Frame Redundancy,
in: Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), (Montreal, Canada), Band 4, Mai 2004, S. 653–656.
Clevorn, T., Adrat, M. und Vary, P.:

Iterative Source Coded Modulation: Turbo Error Concealment by Iterative Demodulation,
in: Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), (Montreal, Canada), Band 4, Mai 2004, S. 649–652.
Adrat, M. und Vary, P.:

TURBO Error Concealment of Mutually Independent Source Codec Parameters,
in: Proceedings of International ITG Conference on Source and Channel Coding (ITGSCC), (Erlangen, Germany), Jan. 2004, S. 287–294.
Adrat, M.:

Iterative Source-Channel Decoding for Digital Mobile Communications,
Dissertation, Nr. 16 in Aachener Beiträge zu Digitalen Nachrichtensystemen (ABDN) hrsg. von Vary, P., Aachen, Germany: Verlag Mainz, Juli 2003, ISBN: 3-860-73835-6.
Adrat, M., von Agris, U. und Vary, P.:

Convergence Behavior of Iterative Source-Channel Decoding,
in: Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), (Hong Kong, China), Band 4, Apr. 2003, S. 269–272.
Adrat, M., Haenel, R. und Vary, P.:

On Joint Source-Channel Decoding for Correlated Sources,
in: Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), (Orlando, Florida, USA), Band 3, Mai 2002, S. 2505–2508.
Adrat, M., Picard, J. und Vary, P.:

Analysis of Extrinsic Information from Softbit-Source Decoding Applicable to Iterative Source-Channel Decoding,
in: Proceedings of International ITG Conference on Source and Channel Coding (ITGSCC), (Berlin, Germany), Jan. 2002.
Adrat, M., Picard, J. und Vary, P.:

Softbit-Source Decoding Based on the Turbo-Principle,
in: Proceedings of IEEE Vehicular Technology Conference (VTC-Fall), (Atlantic City, NJ, USA), Band 4, Okt. 2001, S. 2252–2256.
Adrat, M., Picard, J. und Vary, P.:

Analysis of Extrinsic Information from Softbit-Source Decoding Applicable in Iterative Source-Channel Decoders,
in: Proceedings of Aachen Symposium on Signal Theory, (Aachen, Germany), Sep. 2001, S. 349–354.
Adrat, M., Vary, P. und Spittka, J.:

Iterative Source-Channel Decoder Using Extrinsic Information From Softbit-Source Decoding,
in: Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), (Salt Lake City, Utah, USA), Band 4, Mai 2001, S. 2653–2656.
Xu, W., Heinen, S., Adrat, M., Vary, P., Hindelang, T., Schmautz, M. und Hagenauer, J.:

An Adaptive Multirate (AMR) Codec Proposed for GSM Speech Transmission,
in: International Journal of Electronics and Communications (AEÜ), Band 54, Nr. 6, Dez. 2000.
Jax, P., Martin, R., Vary, P., Adrat, M., Varga, I., Frank, W. und Ihle, M.:

A Noise Suppression System for the AMR Speech Codec,
in: ITG-Fachtagung Konvens 2000 / Sprachkommunikation, (Ilmenau, Germany), Okt. 2000, S. 43–46.
Adrat, M., Spittka, J., Heinen, S. und Vary, P.:

Error Concealment by Near Optimum MMSE-Estimation of Source Codec Parameters,
in: Proceedings of IEEE Workshop on Speech Coding (SCW), (Delavan, Wisconsin, USA), Sep. 2000, S. 84–86.
Heinen, S., Adrat, M., Vary, P. und Xu, W.:

Softbit Speech Decoding with Re-Quantization,
in: Proceedings of International ITG Conference on Source and Channel Coding (ITGSCC), (Munich, Germany), Jan. 2000, S. 187–192.
Xu, W., Heinen, S., Adrat, M., Vary, P., Hindelang, T., Schmautz, M. und Hagenauer, J.:

An Adaptive Multirate Speech Codec Proposed for the GSM,
in: Proceedings of International ITG Conference on Source and Channel Coding (ITGSCC), (Munich, Germany), Jan. 2000, S. 51–56.
Heinen, S., Adrat, M., Steil, O., Vary, P. und Xu, W.:

A 6.1 to 13.3-kb/s Variable Rate CELP Codec (VR-CELP) for AMR Speech Coding,
in: Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), (Phoenix, AZ, USA), Band 1, März 1999, S. 9–12.

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Marc Adrat

Dr.-Ing. Marc Adrat (2005)

Lehrbeauftragter

Lehrtätigkeit

Veröffentlichungen