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A general framework and optimization for spacially-coupled serially concatened systems

Tarik Benaddi 1, 2 Charly Poulliat 3 Romain Tajan 4
1 Lab-STICC_IMTA_CID_TOMS
Lab-STICC - Laboratoire des sciences et techniques de l'information, de la communication et de la connaissance
3 IRIT-SC - Signal et Communications
IRIT - Institut de recherche en informatique de Toulouse
Abstract : In this paper, we provide a general framework for spatially-coupled concatenated systems. We explicit the analogy with spatially-coupled protographs and provide an adapted EXIT chart analysis. By proposing a continuous-valued coupling matrix, we propose a code design procedure for faster convergence. When considering general bit- interleaved coded-modulation scheme, we also conjecture that the spatially-coupled scheme of general detectors saturates to a value very close (lower bound) to the threshold given by the Area theorem.
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https://hal.archives-ouvertes.fr/hal-01807318
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Submitted on : Thursday, October 8, 2020 - 10:56:22 AM
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Tarik Benaddi, Charly Poulliat, Romain Tajan. A general framework and optimization for spacially-coupled serially concatened systems. GLOBECOM 2017: 2017 IEEE Global Communications conference, Dec 2017, Singapour, Singapore. pp.1-6, ⟨10.1109/GLOCOM.2017.8254239⟩. ⟨hal-01807318⟩

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