Efficient partial-parallel decoder architecture for quasi-cyclic nonbinary LDPC codes

X Zhang, F Cai - IEEE Transactions on Circuits and Systems I …, 2010 - ieeexplore.ieee.org
Nonbinary low-density parity-check (NB-LDPC) codes constructed over GF (q)(q>; 2) can
achieve higher coding gain than binary LDPC codes when the code length is moderate. A …

Quasi-cyclic generalized LDPC codes with low error floors

G Liva, WE Ryan, M Chiani - IEEE Transactions on …, 2008 - ieeexplore.ieee.org
In this paper, a novel methodology for designing structured generalized LDPC (G-LDPC)
codes is presented. The proposed design results in quasi-cyclic G-LDPC codes for which …

[PDF][PDF] An introduction to LDPC codes

WE Ryan - CRC Handbook for Coding and Signal Processing for …, 2004 - tuk88.free.fr
Low density parity check (LDPC) codes are a class of linear block codes which provide near
capacity performance on a large collection of data transmission and storage channels while …

Quasi-cyclic LDPC codes based on pre-lifted protographs

DGM Mitchell, R Smarandache… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
Quasi-cyclic low-density parity-check (QC-LDPC) codes based on protographs are of great
interest to code designers because analysis and implementation are facilitated by the …

The design of rate-compatible protograph LDPC codes

T Van Nguyen, A Nosratinia… - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
This paper presents a simple yet effective method for designing nested families of LDPC
codes. Rate compatible codes are essential for many communication applications, eg hybrid …

[图书][B] LDPC code designs, constructions, and unification

J Li, S Lin, K Abdel-Ghaffar, WE Ryan - 2017 - books.google.com
Written by leading experts, this self-contained text provides systematic coverage of LDPC
codes and their construction techniques, unifying both algebraic-and graph-based …

On the girth of quasi-cyclic protograph LDPC codes

M Karimi, AH Banihashemi - IEEE transactions on information …, 2013 - ieeexplore.ieee.org
In this paper, we study the relationships between the girth of the Tanner graph of a quasi-
cyclic (QC) protograph low-density parity-check (LDPC) code, the lifting degree, and the size …

Approaching capacity with asymptotically regular LDPC codes

M Lentmaier, GP Fettweis… - 2009 Information …, 2009 - ieeexplore.ieee.org
We present a family of protograph based LDPC codes that can be derived from permutation
matrix based regular (J, K) LDPC convolutional codes by termination. In the terminated …

Performance improvement of JSCC scheme through redesigning channel code

Q Chen, L Wang, S Hong… - IEEE Communications …, 2016 - ieeexplore.ieee.org
For joint source channel coding (JSCC) scheme based on double protograph low-density
parity-check (DP-LDPC) codes, due to joint iterative decoding between the source and …