Interleaver design for spectrally-efficient bit-interleaved LDPC-coded modulation

Nowak, Stefan; Kays, Rüdiger

doi:10.1109/istc.2012.6325235

Cited by 6 publications

(1 citation statement)

References 17 publications

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“…Binary modulation systems with codes optimised for Hamming distance and soft decision decoding have been well established since the late 1960s for power-efficient transmission at spectral efficiencies of less than 2 bit/sec/Hz. For higher spectral efficiencies, the association of powerful error-correcting codes and high-order modulation has been largely considered in the literature, see for example [14] [15] [16] [17], among many others.…”

Section: Introductionmentioning

confidence: 99%

A new approach to optimise Non-Binary LDPC codes for coded modulations

Abdmouleh

Boutillon

Conde-Canencia

et al. 2016

2016 9th International Symposium on Turbo Codes and Iterative Information Processing (ISTC)

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This paper is dedicated to the optimisation of Non-Binary LDPC codes when associated to high-order modulations. To be specific, we propose to specify the values of the non-zero NB-LDPC parity matrix coefficients depending on the corresponding check node equation and the Euclidean distance of the coded modulation. In other words, we explore the joint optimisation of the modulation mapping and the non-binary matrix. The performance gains announced by a theoretical analysis based on the Union Bound are confirmed by simulations results. We obtain an 0.2-dB gain in the high SNR regime compared to other stateof-the-art matrices.

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Section: Introductionmentioning

confidence: 99%