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27 Results Found

  • Article
  • Open Access
1 Citations
2,336 Views
16 Pages

1 November 2024

We propose two decoding algorithms for quasi-cyclic LDPC codes (QC-LDPC) and implement the more efficient one in this paper. These algorithms depend on the split row for the layered decoding method applied to the Min-Sum (MS) algorithm. We designate...

(This article belongs to the Section Information and Communications Technology)
  • Article
  • Open Access
927 Views
17 Pages

A-SNNMS: An Attentive Shared Neural Normalized Min-Sum Decoder for LDPC Codes

  • Fengquan Zheng,
  • Liqian Wang,
  • Kunfeng Liu and
  • Zhiguo Zhang

28 February 2026

To address the limitations of static message aggregation and training instability in the existing Shared Neural Normalized Min-Sum (SNNMS) algorithm, this paper proposes A-SNNMS, an attentive deep LDPC decoding network with adaptive training. First,...

  • Article
  • Open Access
20 Citations
5,076 Views
17 Pages

An FPGA Design with High Memory Efficiency and Decoding Performance for 5G LDPC Decoder

  • Bich Ngoc Tran-Thi,
  • Thien Truong Nguyen-Ly and
  • Trang Hoang

30 August 2023

A hardware-efficient implementation of a Low-Density Parity-Check (LDPC) decoder is presented in this paper. The proposed decoder design is based on the Hybrid Offset Min-Sum (HOMS) algorithm. In the check node processing of this decoder, only the fi...

  • Article
  • Open Access
205 Views
15 Pages

SRTOMS: A Hybrid Split-Row Threshold Offset Min-Sum LDPC Decoder for Secure Low-Latency 5G-NR Communications

  • Bilal Mejmaa,
  • Mohamed Htiti,
  • Abdelaziz Lberni,
  • Rachid Skouri and ,
  • Ismail Akharraz and
  • Abdelaziz Ahaitouf
  • + 1 author+ 0 author

9 October 2026

The rapid evolution of 5G-NR and the increasing demand for secure and low-latency communications require strong error-correction techniques that are compatible with cryptographic systems. In this paper, a hybrid LDPC decoding algorithm, Split-Row Thr...

(This article belongs to the Special Issue Advances in Communication Signal Processing)
  • Article
  • Open Access
1 Citations
1,821 Views
22 Pages

Optimized Generalized LDPC Convolutional Codes

  • Li Deng,
  • Kai Tao,
  • Zhiping Shi,
  • You Zhang and ,
  • Yinlong Shi,
  • Jian Wang,
  • Tian Liu and
  • Yongben Wang
  • + 3 authors+ 0 author

4 September 2025

In this paper, some optimized encoding and decoding schemes are proposed for the generalized LDPC convolutional codes (GLDPC–CCs). In terms of the encoding scheme, a flexible doping method is proposed, which replaces multiple single parity chec...

(This article belongs to the Section Information Theory, Probability and Statistics)
  • Article
  • Open Access
1 Citations
3,093 Views
17 Pages

6 October 2022

In this paper, we propose a finite alphabet iterative decoder (FAID) named rate-compatible mutual-information-maximizing quantized shuffled min-sum (RC-MIM-QSMS) decoder, for decoding quasi-cyclic low-density parity-check (QC-LDPC) codes with various...

(This article belongs to the Special Issue Multirate and Multicarrier Communication)
  • Article
  • Open Access
5 Citations
3,044 Views
22 Pages

14 November 2023

In this article we present an iterative system of equalization and decoding to manage the intersymbol interference over an additive white Gaussian noise (AWGN) channel. Following the classic turbo equalization scheme, the proposed system consists of...

  • Article
  • Open Access
5 Citations
3,989 Views
16 Pages

This work presents a novel fully parallel decoder architecture designed for high-throughput decoding of Quasi-Cyclic Low-Density Parity-Check (QC-LDPC) codes within the context of 5G New-Radio (NR) communication. The design uses the layered Min-Sum (...

(This article belongs to the Special Issue Data Science and Big Data in Biology, Physical Science and Engineering—2nd Edition)
  • Article
  • Open Access
2 Citations
759 Views
25 Pages

4 March 2026

To offer multi-edge type low-density parity-check (MET-LDPC) codes with better performance, this paper proposes a regional message scaling min-sum (RMS) decoding algorithm which improves the performance of the traditional min-sum (MS) decoding algori...

(This article belongs to the Section A: Computer Science)
  • Article
  • Open Access
1 Citations
554 Views
32 Pages

17 April 2026

To improve the decoding performance of multi-edge type low-density parity-check (MET-LDPC) codes, this paper proposes an edge-type differentiated parameter coupling offset min-sum (EDPC-OMS) decoding algorithm. The contributions are threefold. First,...

(This article belongs to the Section E: Applied Mathematics)
  • Article
  • Open Access
6 Citations
4,099 Views
18 Pages

Low Power QC-LDPC Decoder Based on Token Ring Architecture

  • Mateusz Kuc,
  • Wojciech Sułek and
  • Dariusz Kania

30 November 2020

The article presents an implementation of a low power Quasi-Cyclic Low-Density Parity-Check (QC-LDPC) decoder in a Field Programmable Gate Array (FPGA) device. The proposed solution is oriented to a reduction in dynamic energy consumption. The key re...

  • Article
  • Open Access
934 Views
11 Pages

Hardware Efficient FPGA Implementation of a Layered QC-LDPC Decoder for Ultra-Reliable Low-Latency Communications

  • Bilal Mejmaa,
  • Chakir Aqil,
  • Abdelaziz Lberni,
  • Ismail Akharraz and
  • Abdelaziz Ahaitouf

4 August 2026

Low-Density Parity-Check (LDPC) codes have traditionally performed better at longer code lengths. This research develops and rigorously evaluates a layered Quasi-Cyclic Low-Density Parity-Check (QC-LDPC) decoder architecture intended for Ultra-Reliab...

(This article belongs to the Special Issue Neuromorphic Chips at the Intersection of Neuroscience, Electronics and AI)
  • Article
  • Open Access
41 Citations
10,292 Views
18 Pages

22 February 2021

This paper presents a pipelined layered quasi-cyclic low-density parity-check (QC-LDPC) decoder architecture targeting low-complexity, high-throughput, and efficient use of hardware resources compliant with the specifications of 5G new radio (NR) wir...

(This article belongs to the Special Issue System-on-Chip (SoC) Design and Its Applications)
  • Article
  • Open Access
9 Citations
5,295 Views
15 Pages

FPGA-Oriented LDPC Decoder for Cyber-Physical Systems

  • Mateusz Kuc,
  • Wojciech Sułek and
  • Dariusz Kania

A potentially useful Cyber-Physical Systems element is a modern forward error correction (FEC) coding system, utilizing a code selected from the broad class of Low-Density Parity-Check (LDPC) codes. In this paper, development of a hardware implementa...

(This article belongs to the Special Issue Design, Modeling, Verification, and Analysis of Cyber-Physical Systems)
  • Article
  • Open Access
2,294 Views
18 Pages

13 June 2024

Based on the IEEE 802.16e standard’s (672,336) LDPC code and the normalized Min-Sum decoding algorithm, this paper designs and implements an LDPC decoder that optimizes the channel information. The correction factor for check nodes is converted into...

(This article belongs to the Section Electrical, Electronics and Communications Engineering)
  • Article
  • Open Access
3 Citations
2,649 Views
16 Pages

12 September 2024

As high-speed big-data communications impose new requirements on storage latency, low-density parity-check (LDPC) codes have become a widely used technology in flash-memory channels. However, the iterative LDPC decoding algorithm faces a high decodin...

(This article belongs to the Special Issue Advanced New Physical Layer Technologies for Next-Generation Wireless Communications)
  • Article
  • Open Access
1 Citations
1,101 Views
25 Pages

A Novel FEC Implementation for VSAT Terminals Using High-Level Synthesis

  • Najmeh Khosroshahi,
  • Ron Mankarious and
  • Mohammad Reza Soleymani

6 February 2026

This paper presents a hardware-efficient field-programmable gate array (FPGA) implementation of a layered two-dimensional corrected normalized min-sum (2D-CNMS) decoder for quasi-cyclic low-density parity-check (QC-LDPC) codes in very small aperture...

(This article belongs to the Special Issue Advanced Satellite Communications for Engineers and Scientists)
  • Article
  • Open Access
3 Citations
2,832 Views
18 Pages

Design and Implementation of a Highly Efficient Quasi-Cyclic Low-Density Parity-Check Transceiving System Using an Overlapping Decoder

  • Yuxuan Sun,
  • Liangbin Zhao,
  • Jianguo Li,
  • Ziyi Zhang and ,
  • Xiao Yang and
  • Xiangyuan Bu
  • + 1 author+ 0 author

12 September 2023

The traditional LDPC encoding and decoding system is characterized by low throughput and high resource consumption, making it unsuitable for use in cost-efficient, energy-saving sensor networks. Aiming to optimize coding complexity and throughput, th...

(This article belongs to the Special Issue Non-orthogonal Transmission Technologies for Ubiquitous Sensor Networks)
  • Article
  • Open Access
17 Citations
5,837 Views
17 Pages

11 October 2018

In high-throughput applications, low-complexity and low-latency channel decoders are inevitable. Hence, for low-density parity-check (LDPC) codes, message passing decoding has to be implemented with coarse quantization—that is, the exchanged be...

(This article belongs to the Special Issue DSP for Next Generation Fibre Communication Systems)
  • Article
  • Open Access
4 Citations
3,239 Views
20 Pages

Research and Implementation of High-Efficiency and Low-Complexity LDPC Coding Algorithm

  • Xiong Liao,
  • Junxiong Guo,
  • Zhenghua Luo,
  • Yanghui Xu and
  • Yingjun Chu

1 September 2023

In this work, we proposed a high-efficiency and low-complexity encoding algorithm and its corresponding implementation structure during the design and implementation process of an LDPC encoder and decoder. This proposal was derived from extensive res...

(This article belongs to the Special Issue Wireless Communication and Multimedia Technology – Theory and Applications)
  • Article
  • Open Access
14 Citations
7,672 Views
12 Pages

An Efficient QC-LDPC Decoder Architecture for 5G-NR Wireless Communication Standards Targeting FPGA

  • Bilal Mejmaa,
  • Malika Alami Marktani,
  • Ismail Akharraz and
  • Abdelaziz Ahaitouf

14 August 2024

This novel research introduces a game-changing architecture design for Quasi-Cyclic Low-Density Parity-Check (QC-LDPC) decoders in Fifth-Generation New-Radio (5G-NR) wireless communications, specifically designed to meet precise specifications and le...

(This article belongs to the Special Issue Next Generation Blockchain, Information Security and Soft Computing for Future IoT Networks)
  • Article
  • Open Access
3 Citations
2,250 Views
14 Pages

Efficient Error Correction Coding for Physically Unclonable Functions

  • Sreehari K. Narayanan,
  • Ramesh Bhakthavatchalu and
  • Remya Ajai Ajayan Sarala

Physically unclonable functions (PUFs) generate keys for cryptographic applications, eliminating the need for conventional key storage mechanisms. Since PUF responses are inherently noise-sensitive, their reliability can decrease under varying condit...

  • Article
  • Open Access
2 Citations
3,326 Views
31 Pages

25 July 2025

Weighted belief propagation (WBP) for the decoding of linear block codes is considered. In WBP, the Tanner graph of the code is unrolled with respect to the iterations of the belief propagation decoder. Then, weights are assigned to the edges of the...

(This article belongs to the Section Information Theory, Probability and Statistics)
  • Article
  • Open Access
4 Citations
2,767 Views
11 Pages

12 March 2023

Due to the rapid growth in the global volume of data, deoxyribonucleic acid (DNA) data storage has emerged. Error correction in DNA data storage is a key part of this storage technology. In this paper, an improved marker code scheme is proposed to co...

(This article belongs to the Section Computing and Artificial Intelligence)
  • Article
  • Open Access
6 Citations
6,372 Views
23 Pages

26 February 2022

In this study, a reconfigurable low-density parity-check (LDPC) decoder is designed with good hardware sharing for IEEE 802.15.3c, 802.11ad, and 802.11ay standards. This architecture flexibly supports 12 types of parity-check matrix. The switching ne...

(This article belongs to the Section Computer Science & Engineering)
  • Article
  • Open Access
1 Citations
3,902 Views
17 Pages

With the advancement of information technology construction, the integration of radar and communication represents a crucial technological evolution. Driven by the research boom of integrated sensing and communications (ISACs), some scholars have pro...

  • Feature Paper
  • Article
  • Open Access
16 Citations
3,668 Views
19 Pages

Minimum-Integer Computation Finite Alphabet Message Passing Decoder: From Theory to Decoder Implementations towards 1 Tb/s

  • Tobias Monsees,
  • Oliver Griebel,
  • Matthias Herrmann,
  • Dirk Wübben and ,
  • Armin Dekorsy and
  • Norbert Wehn
  • + 1 author+ 0 author

12 October 2022

In Message Passing (MP) decoding of Low-Density Parity Check (LDPC) codes, extrinsic information is exchanged between Check Nodes (CNs) and Variable Nodes (VNs). In a practical implementation, this information exchange is limited by quantization usin...

(This article belongs to the Special Issue Theory and Application of the Information Bottleneck Method)