Status and recent advances on forward error correction technologies for lightwave systems

A Leven, L Schmalen - Journal of Lightwave Technology, 2014 - opg.optica.org
Since the introduction of coherent transponders, forward error correction based on soft
decision is now established in optical communication. In this paper, we give a tutorial-style …

On the construction of structured LDPC codes free of small trap** sets

DV Nguyen, SK Chilappagari… - IEEE Transactions …, 2012 - ieeexplore.ieee.org
We present a method to construct low-density parity-check (LDPC) codes with low error
floors on the binary symmetric channel. Codes are constructed so that their Tanner graphs …

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 …

[BOOK][B] QC-LDPC code-based cryptography

M Baldi - 2014 - books.google.com
This book describes the fundamentals of cryptographic primitives based on quasi-cyclic low-
density parity-check (QC-LDPC) codes, with a special focus on the use of these codes in …

Efficient search of girth-optimal QC-LDPC codes

A Tasdighi, AH Banihashemi… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
In this paper, we study the cycle structure of quasi-cyclic (QC) low-density parity-check
(LDPC) codes with the goal of obtaining the shortest code with a given degree distribution …

Symmetrical constructions for regular girth-8 QC-LDPC codes

A Tasdighi, AH Banihashemi… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
In this paper, we propose new constructions for regular girth-8 quasi-cyclic low-density parity-
check (QC-LDPC) codes based on circulant permutation matrices (CPM). The constructions …

On the Tanner graph cycle distribution of random LDPC, random protograph-based LDPC, and random quasi-cyclic LDPC code ensembles

A Dehghan, AH Banihashemi - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
In this paper, we study the cycle distribution of random low-density parity-check (LDPC)
codes, randomly constructed protograph-based LDPC codes, and random quasicyclic (QC) …

Ice: An intelligent cognition engine with 3d nand-based in-memory computing for vector similarity search acceleration

HW Hu, WC Wang, YH Chang, YC Lee… - 2022 55th IEEE/ACM …, 2022 - ieeexplore.ieee.org
Vector similarity search (VSS) for unstructured vectors generated via machine learning
methods is a promising solution for many applications, such as face search. With increasing …

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 …

Adaptive FEC codes suitable for variable dimming values in visible light communication

S Kim - IEEE Photonics Technology Letters, 2014 - ieeexplore.ieee.org
In this letter, we propose an adaptive forward error correction scheme based on low-density
parity-check (LDPC) codes to efficiently adjust dimming values in visible light …