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On sparse graph coding for coherent and noncoherent demodulation

Piat-Durozoi, Charles-Ugo and Poulliat, Charly and Thomas, Nathalie and Boucheret, Marie-Laure and Lesthievent, Guy On sparse graph coding for coherent and noncoherent demodulation. (2017) In: IEEE International Symposium on Information Theory (ISIT 2017), 25 June 2017 - 30 June 2017 (Aachen, Germany).

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Official URL: https://doi.org/10.1109/ISIT.2017.8007061

Abstract

In this paper, we consider a bit-interleaved coded modulation scheme (BICM) composed of an error correcting code serially concatenated with a M-ary non linear modulation with memory. We first compare demodulation strategies for both the coherent and the non coherent cases. Then, we perform an asymptotic analysis and try to show that the design of coding schemes performing well for both the coherent and the non coherent regimes should be done carefully when considering sparse graph based codes such as low-density parity-check (LDPC) codes. It will be shown that optimized coding schemes for the non coherent setting can perform fairly well when using coherent demodulation, while on the contrary, optimized coding schemes for the coherent setting may lead to “non stable” coding schemes in the non coherent setting.

Item Type:Conference or Workshop Item (Paper)
Additional Information:Thanks to IEEE editor. The definitive version is available at http://ieeexplore.ieee.org This papers appears in Proceedings of ISIT 2017. Electronic ISBN: 978-1-5090-4096-4 Electronic ISSN: 2157-8117 The original PDF of the article can be found at: https://ieeexplore.ieee.org/document/8007061 Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
HAL Id:hal-02603868
Audience (conference):International conference proceedings
Uncontrolled Keywords:
Institution:French research institutions > Centre National d'Études Spatiales - CNES (FRANCE)
French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Ecole Nationale de l'Aviation Civile - ENAC (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT (FRANCE)
Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE-SUPAERO (FRANCE)
Other partners > Collins Aerospace (FRANCE)
Other partners > Thales (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
Université de Toulouse > Université Toulouse - Jean Jaurès - UT2J (FRANCE)
Université de Toulouse > Université Toulouse 1 Capitole - UT1 (FRANCE)
Other partners > IMT Atlantique Bretagne-Pays de la Loire - IMT Atlantique (FRANCE)
Other partners > IRT Saint Exupéry - Institut de Recherche Technologique (FRANCE)
Other partners > SpaceAble (FRANCE)
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Deposited By: IRIT IRIT
Deposited On:28 Apr 2020 10:56

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