關於 ldpc ，我們在網路上蒐集到這些相關的討論、資訊與評價

#11. A comparative simulation study on the ... - SciELO México

Owing to their good performance, Low-Density Parity-Check (LDPC) codes are an important family of error-correction codes employed in current data communication ...

#12. LDPC简介

LDPC ( Low-density Parity-check，低密度奇偶校验）码是由Gallager 在1963 年提出的一类具有稀疏校验矩阵的线性分组码(linear block codes)，然而在接下来的30 年来由于 ...

#13. LDPC Encoder / Decoder - Xilinx

Forward Error Correction (FEC) codes such as Low Density Parity Check (LDPC) codes provide a means to control errors in data transmissions over unreliable ...

#14. LDPC-in-SSD: Making Advanced Error Correction Codes Work

LDPC -in-SSD: Making Advanced Error Correction Codes Work Effectively in Solid State Drives. Authors: Kai Zhao, Rensselaer Polytechnic Institute; Wenzhe Zhao and ...

#15. MATLAB nrLDPCDecode - MathWorks

This MATLAB function returns the LDPC-decoded output matrix out for the input data matrix in, base graph number bgn, and maximum number of decoding ...

#16. An efficient message-passing schedule for LDPC decoding

An efficient decoding schedule for low-density parity-check (LDPC) codes that outperforms the conventional approach, in terms of both complexity and ...

#17. LDPC Codes Achieve List Decoding Capacity - arXiv

We show that Gallager's ensemble of Low-Density Parity Check (LDPC) codes achieves list-decoding capacity with high probability. These are the first graph-based ...

#18. LDPC (Low Density Parity Check) - A Better Coding Scheme ...

LDPC is so far the strongest available and will become more and more a mandatory solution. R-Interface has developed a generic platform and simulation ...

#19. 作者LDPC 的總覽(PTT發文,留言,暱稱) - PTT網頁版

LDPC 在PTT 最新的發文, 共59 篇 ... 作者: LDPC - 發表於2021/11/09 22:13(1周前) ... 36 F →LDPC: 本來想寫一篇文章解釋為啥公司會變這樣11/16 01:21.

#20. LDPC — low density parity check code | by EventHelix | 5G NR

5G NR uses LDPC for channel coding on the traffic channel. LDPC corrects channel errors by maintaining parity bits for a selection of the data ...

#21. A comparative simulation study on the performance ... - Elsevier

An LDPC code is a type of linear block code and is defined by a parity-check matrix H, which contains mostly zeros (0s) and a small number of ones (1s). It is ...

#22. LDPC碼是麻省理工學院Robert Gallager於19 - 中文百科知識

LDPC 碼是麻省理工學院Robert Gallager於1962年在博士論文中提出的一種具有稀疏校驗矩陣的分組糾錯碼。幾乎適用於所有的信道，因此成為編碼界近年來的研究熱點。

#23. (PDF) Multi-edge type LDPC codes - ResearchGate

in [6], [7] extends to the multi-edge type setting. Index Terms. Low density parity check code, belief propagation, irregular LDPC, threshold. I. I ...

#24. Introduction to LDPC Codes - CMRR STAR

LDPC Codes. • Shannon's Channel Coding Theorem. • Error-Correcting Codes – State-of-the-Art. • LDPC Code Basics. • Encoding. • Decoding. • LDPC Code Design.

#25. Low-complexity decoding of LDPC codes using reduced-set ...

An LDPC code can be represented by a bipartite (Tanner) graph which consists of two subsets of nodes, namely, variable nodes (or bit nodes) and ...

#26. Construction of Quasi-Cyclic LDPC Codes Based on ...

Quasi-cyclic (QC) LDPC codes play an important role in 5G communications and have been chosen as the standard codes for 5G enhanced mobile broadband (eMBB) ...

#27. Constructing LDPC Codes with Any Desired Girth - PubMed

In wireless sensor networks, the reliability of communication can be greatly improved by applying low-density parity-check (LDPC) codes.

#28. 5G LDPC-V Intel FPGA IP User Guide

Low-density parity-check (LDPC) codes are linear error correcting codes that help you to transmit and receive messages over noisy channels. The 5G LDPC-V ...

#29. Software for Low Density Parity Check (LDPC) codes

This software is meant for supporting research into Low Density Parity Check (LDPC) codes. It also includes modules for operations on dense and sparse modulo-2 ...

#30. LDPC codes - An introduction - Last modified

Low-density parity-check codes (LDPC codes) are efficient channel coding codes that allow transmission errors to be corrected. They were first described in ...

#31. Efficient QC-LDPC Encoder for 5G New Radio - MDPI

This paper presents a novel efficient encoding method and a high-throughput low-complexity encoder architecture for quasi-cyclic low-density parity-check ...

#32. On-the-fly Syndrome Check for LDPC Decoders - Eurecom

for applying this technique to an LDPC decoder for the IEEE. 802.11n standard. Keywords—LDPC codes; iterative decoding; syndrome calcu-.

#33. Comprehensive Algorithmic Review and Analysis of LDPC ...

Due to the increasing popularity of LDPC codes and its demand for future applications, first time in this paper, LDPC coding techniques have been ...

#34. Using Low Density Parity-Check Code (LDPC) in a Linksys ...

The Rate Adaptation algorithm automatically disables LDPC coding when working at physical (PHY) rates higher than 162. To use the LDPC advanced error correction ...

#35. LDPC Codes | SpringerLink

LDPC codes are linear block codes whose parity-check matrix—as the name implies—is sparse. These codes can be iteratively decoded using the ...

#36. DVB-S2+LDPC解碼器之FPGA設計與實現 - Airiti Library華藝 ...

第二代數位衛星廣播(DVB-S2) 為新一代的數位衛星廣播標準以提升相較於DVB-S之傳輸量，在通道編碼方面，使用LDPC (low- density parity-check)碼作為內碼、BCH 碼作為外 ...

#37. Low-Density Parity-Check Codes Robert G. Gallager 1963

Preface. The Noisy Channel Coding Theorem discovered by C. E. Shannon in 1948 of- fered communication engineers the possibility of reducing error rates on ...

#38. A New Early Termination Strategy for QC-LDPC Codes Based ...

Low-density parity-check (LDPC) codes are one of the most popular linear block codes have ever been used in the communication system.

#39. NOC:LDPC and Polar Codes in 5G Standard - NPTEL

Courses; Electronics & Communication Engineering; NOC:LDPC and Polar Codes in 5G Standard (Video); Syllabus; Co-ordinated by : IIT Madras ...

#40. rfc6816 - IETF Tools

Simple Low-Density Parity Check (LDPC) Staircase Forward Error Correction (FEC) Scheme for FECFRAME (RFC )

#41. LDPC Code Concepts and Performance on High-Density ...

LDPC Code Concepts and Performance on High-Density Flash Memory. Erich F. Haratsch. Flash Memory Summit 2014. Santa Clara, CA.

#42. Implementing the NASA Deep Space LDPC Codes for ...

deep space low-density parity-check (LDPC) codes are imple- mented for high speed defense applications. This is part of an.

#43. Master Thesis Information Optimum Design of Discrete LDPC ...

9 Information Optimum Decoding of Irregular LDPC Codes 81 ... density parity-check (LDPC) code with a very large block length. Until this.

#44. Implementation of Protograph LDPC error correction codes

LDPC codes are a class of linear error-correction codes on sparse bipartite graphs providing efficient decoding using message passing ...

#45. VSPC-LDPC串行级联码的结构与性能分析 - 电子科技大学学报

error floors of LDPC codes can be impaired effectively. Key words bit error rate; channel coding; concatenated codes; low-density parity-check codes;.

#46. Low‐Density Parity‐Check (LDPC) Codes for 5G ...

In this article, we describe the fundamental advances in low-density parity-check (LDPC) codes over the last two decades with special ...

#47. COM 5190 期末專題LDPC and Sum-Product Algorithm

LDPC code（Low Density Parity Check code）是由Gallagher 在1962 年於其博士. 論文所發表，只不過當時由於VLSI 技術尚未成熟，所以逐漸被人們所 ...

#48. 码率自适应原模图LDPC 码的设计 - CORE

摘要：无线通信信道的时变性，使得纠错编码必须具备码率自适应的功能。原模图低密度奇偶校验码（ low densi- ty parity check code，LDPC）可通过删余和扩展实现码率自 ...

#49. Low Complexity LDPC Code Decoders for Next Generation ...

This paper presents the design of low complexity LDPC codes decoders for the upcoming WiFi (IEEE 802.11n),. WiMax (IEEE802.16e) and DVB-S2 standards.

#50. Introduction to Low-Density Parity Check Codes

Gallager's LDPC code construction. Bipartite Graphs — the Tanner Graph. Overview of decoding algorithms. Bit Flipping decoding. Soldier Counting problem.

#51. Low-Complexity Encoding of LDPC Codes: A New Algorithm ...

The parity-check matrix (PCM) of a LDPC code is “sparse” by definition, and, although the generator matrix (GM) is generally not sparse, we would like to ...

#52. Belief-Propagation Decoding of LDPC Codes

LDPC Codes: Motivation. • Revolution in coding theory. • Reliable transmission, rates approaching capacity. – BIAWGN, Rate = 0.5, Threshold 0.0045 dB of ...

#53. The application of LDPC code in MIMO-OFDM system

LDPC (low density parity check) code is a kind of error correcting code which can improve system reliability and anti-interference ability, and the decoding ...

#54. itpp::LDPC_Code Class Reference - Welcome to IT++ ...

Print some properties of the LDPC codec in plain text. Detailed Description. Low-density parity check (LDPC) codec. This class provides the functionality for ...

#55. An optimized initialization for LDPC decoding over GF(q) in ...

Therefore the LDPC decoding algorithms for AWGN channel are not suitable for impulsive noise environments. Consider that LDPC codes over GF(q) ...

#56. An Introduction to LDPC Codes - World Scientific

Abstract: The focus of this chapter is on low-density parity-check (LDPC) codes and iterative decoding methods. Low density parity check codes were ...

#57. DESIGN GROUP

低密度奇偶校驗碼(Low-Density Parity-Check Codes簡稱. LDPC codes)由Gallager在1960年代所發表，具有非常好. 的編碼增益，目前已被廣泛應用於許多數位通訊標準.

#58. LDPC codes : structural analysis and decoding techniques

Author(s): Zhang, Xiaojie | Abstract: Low-density parity-check (LDPC) codes have been the focus of much research over the past decade thanks to their near ...

#59. NB-LDPC home page - Lab-STICC

Non-Binary Low-Density Parity-Check (NB-LDPC) codes are an extension of binary LDPC codes constructed over GF(q) (q>2). NB-LDPC have better error-correcting ...

#60. Lecture 6: LDPC Codes

Low-Density Parity-Check (LDPC) codes (Gallager 1963, McKay 1999, ... Let E denote the number of edges in the Tanner graph of an LDPC code, i.e.,.

#61. Hardware implementation and characterization of a low ...

The intended application of the LDPC decoder is a nonlinear satellite communications channel. The nonlinearities and communications signal perturbations include ...

#62. Reliable 4G communication systems design using ldpc codes

There has been active research area on designing the efficient channel codes such as turbo codes and low density parity check (LDPC) codes for MIMO fading ...

#63. Puncturing for structured low density parity check (ldpc) codes

Certain aspects of the present disclosure generally relate to techniques for puncturing of structured low density parity check (LDPC) codes.

#64. FPGA-based Evaluation of LDPC Codes - Carnegie Mellon ...

Structured LDPC codes. ▫ Soft output Viterbi algorithm (SOVA). ▫ Implementation on FPGA hardware. ▫ LDPC code evaluation for magnetic recording channel ...

#65. Introducing Low-Density Parity-Check Codes - CiteSeerX

case of the decoding algorithm for LDPC codes presented by Gallager so many years before. New generalizations of Gallager's LDPC codes by a number of ...

#66. 數位電視傳輸標準DMB-TH中LDPC碼解碼器解碼參數的選擇與 ...

逯春蕊(Chun-Rui Lu), 姚冬萍(Dong-Ping Yao), "數位電視傳輸標準DMB-TH中LDPC碼解碼器解碼參數的選擇與分析," Journal of Internet Technology, vol. 10, no. 4 , pp. 385 ...

#67. Rate and Performance Enhancement of LDPC Codes Using ...

In contrast to other modifications of LDPC decoding documented in the literature, the proposed CPCD technique views a LDPC code as a collection ...

#68. Full article: LDPC Codes Based on Rational Functions - Taylor ...

In this paper, some affine and rational functions are applied to define a class of LDPC codes, called RLDPC codes, which can be classified ...

#69. Construction and Performance Evaluation of QC-LDPC Codes ...

Low Density Parity Check (LDPC) codes are one of the block coding techniques that can approach the Shannon‟s limit within a fraction of a decibel for high ...

#70. BER Comparison Between Convolutional, Turbo, LDPC, and ...

As the name implies,. LDPC codes are block codes with a sparse parity check matrix. Such sparsity allows for low complexity decoding using the iterative Belief ...

#71. LDPC — 通道編碼- IT閱讀

LDPC 碼（Low Density Parity Check Code）,低密度奇偶檢驗碼。 LDPC碼是一類具有稀疏矩陣的線性分組碼，由於其有逼近Shannon限的良好效能，且譯碼複雜 ...

#72. LDPC channel code for 5G New Radio - AccelerComm

The LDPC code of 5G New Radio has a different structure to that of WiFi and every applications of LDPC before. So we designed an LDPC decoder from scratch.

#73. Low-Density Parity-Check (LDPC) Codes Constructed from ...

An LDPC code is described by its (sparse) parity-check matrix. Such matrices can be efficiently represented by a bipartite (Tanner) graph. The ...

#74. On the multiple threshold decoding of LDPC codes over GF(<i ...

Keywords: Coding theory, iterative decoding, LDPC codes, majority logic decoding, threshold decoding, decoding radius. Mathematics Subject Classification: ...

#75. More LDPC codes - TU Kaiserslautern

Urbanke: Modern Coding Theory. Cambrigde University Press, 2008. [5] D. Divsalar, S. Dolinar and C. Jones: Construction of Protograph LDPC Codes ...

#76. LDPC Code Length Reduction - IEEE 802

Current proposals focus on length-18493 LDPC codes, e.g., in May 2017, an [11×74×256] LDPC code was proposed, which was shortened to an.

#77. Low-Density Parity-Check Codes (LDPCs) | Comtech EF Data

LDPC has also been accepted as part of the DVB-S2 specification. We developed the LDPC encoder and decoder in conjunction with Comtech AHA in an FPGA package, ...

#78. 什么是NAND闪存的检错校正，LDPC，BCH

Error correction codes (ECC) such as LDPC, are techniques used to correct errors in the NAND flash, allowing recovery of data that may be ...

#79. LDPC Decoder – ntLDPCD-Ghn - Noesis Technologies

The Low Density Parity Check (LDPC) codes are powerful capacity-approaching channel codes and have exceptional error-correction capabilities.

#80. LDPC:發展歷史,套用熱點,解碼算法 - 中文百科全書

LDPC. LDPC是Low Density Parity Check Code英文縮寫，意思是低密度奇偶校驗碼，最早在20世紀60年代由Gallager在他的博士論文中提出。

#81. Quasi-Cyclic Generalized LDPC Codes with Low Error Floors

the construction of G-LDPC codes is proposed. The approach is based on the substitution of check nodes in the protograph of a low-density parity-check code ...

#82. LDPC Codes - SlideShare

Unlike many other classes of codes LDPC codes are already equipped with very fast (probabilistic) encoding and decoding algorithms. LDPC codes are not only ...

#83. Technical Guide Low Density Parity Check (LDPC) - Quasonix

LDPC encoding can have many benefits. Its most common use is in range extension, where bit errors occur due to a weak received signal.

#84. Low-Density Parity Check (LDPC) - Tutorialspoint

Low - density parity check (LDPC) code is a linear error-correcting block code, suitable for error correction in large block sizes ...

#85. Efficient Hardware Implementations of LDPC Decoders ...

Declercq, “FPGA design of high throughput LDPC decoder based on imprecise offset min-sum decoding”, IEEE 13th International New Circuits and ...

#86. LDPC Decoders for the WiMAX (IEEE 802.16e) Based on ...

The second and third sections introduce, respectively, WiMAX LDPC codes and the algorithms used to perform LDPC decoding. The main characteristics of the Cell/ ...

#87. Evaluation of Complexity Versus Performance for Turbo Code ...

The. LDPC code decoding algorithm is reviewed in Section V. its complexity calculation is made in Section VI. The comparison of performance and complexity was ...

#88. LDPC Coded Modulations - 第 149 頁 - Google 圖書結果

I at input of LDPC VND (+DD) I A B −1 I (a) LDPC CND LDPC VND only LDPC VND+DD 0 0.2 0.4 0.6 0.8 1 0 0.2 0.4 0.6 1 0.8 I at input of LDPC VND (+DD) (b) ...

#89. Quasi-cyclic multi-edge LDPC codes for long-distance ...

When combined with an 8-dimensional reconciliation scheme, our LDPC decoder achieves an information throughput of 7.16 Kbit/s on a single NVIDIA ...

#90. LDPC FEC is becoming the preferred technology in wireless ...

LDPC codes are linear with a sparse parity check matrix. These belong to the class of block codes designed to include low density “ones” in ...

#91. LDPC编译码基本原理- 暗海风2 - 博客园

为方便起见本文中混用了似然函数和条件概率密度这两个概念，虽然这样做是不恰当的。 LDPC码是一种校验矩阵具有低密度的线性分组码。也就是说，LDPC码和 ...

#92. Low Density Parity Check (LDPC) Codes | Wireless On the Go

LDPC codes are a class of linear block codes characterized by sparse parity check matrices 'H'. 'H' has low density of 1's. LDPC codes were ...

#93. Java implementation for LDPC codes - Stack Overflow

Is there any open source Java implementation for LDPC (Low Density Parity Check) codes, I found only MATLAB codes.

#94. LDPC Code Designs, Constructions, and Unification

an SP-LDPC code is a PTG-LDPC code (or vice versa, a PTG-LDPC code is an SP-LDPC code). Hence, the ensemble Esp(k,k) of SP-LDPC codes of rate Rc is an ...

#95. Resource Efficient LDPC Decoders: From Algorithms to ...

Low Density Parity Check (LDPC) codes were first introduced by Robert G. Gallager at MIT in his PhD thesis in 1962 [1]. The implementation complexity of ...