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Titel:

Protograph-Based LDPC Code Design for Shaped Bit-Metric Decoding

Dokumenttyp:
Zeitschriftenaufsatz
Autor(en):
Steiner, F.; Böcherer, G.; Liva, G.
Abstract:
A protograph-based low-density parity-check (LDPC) code design technique for bandwidth-efficient coded modulation with probabilistic shaping is presented. The approach jointly optimizes the LDPC code node degrees and the mapping of the coded bits to the bit-interleaved coded modulation (BICM) bit-channels. For BICM with uniform inputs and for BICM with probabilistic shaping, binary-input symmetric-output surrogate channels for the code design are used. The constructed codes for uniform inputs pe...     »
Zeitschriftentitel:
IEEE J. Sel. Areas Commun.
Jahr:
2016
Monat:
Feb
Reviewed:
ja
Volltext / DOI:
doi:10.1109/JSAC.2015.2504298
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