Results 61 to 70 of about 253 (177)
Construction Method of QC-LDPC Codes with Big Girth for Fast Encoding [PDF]
Jisuanji gongcheng, 2018 The sub-matrices on both diagonals of the right half of the check matrix are unit matrices.Existence of the deterministic unit matrix not only destroys the randomness of Quasie Cyclic-Low Density Parity Check(QC-LDPC) code,it leads to a certain loss of ...
PENG Haiying,YANG Jian,SUN Lijun
doaj
Optimized Puncturing of the Check Matrix for Rate-Compatible LDPC Codes
MATEC Web of Conferences, 2018 In the wireless communication system, it is necessary to change the transmitted code word or code rate in real time according to the channel environment, designing and implementing rate compatible codes is of great practical significance.
Zhang Liang, Meng Jiahui, Zhao Danfeng
doaj +1 more source
IEEE Open Journal of the Communications SocietyAs data storage demands continue to grow, ensuring the reliability of NAND flash devices after a large number of Program/Erase (P/E) cycles have elapsed has become a critical requirement.
G. Achala +3 more
doaj +1 more source
Girth Analysis of Tanner’s (3, 17)-Regular QC-LDPC Codes Based on Euclidean Division Algorithm
IEEE Access, 2019 In this paper, the girth distribution of the Tanner’s (3, 17)-regular quasi-cyclic LDPC (QC-LDPC) codes with code length $17p$ is determined, where $p$ is a prime and $p \equiv 1~(\bmod ~51)$ .
Hengzhou Xu +3 more
doaj +1 more source
Low Complexity Encoder of High Rate Irregular QC-LDPC Codes for Partial Response Channels
Advances in Electrical and Computer Engineering, 2011 High rate irregular QC-LDPC codes based on circulant permutation matrices, for efficient encoder implementation, are proposed in this article. The structure of the code is an approximate lower triangular matrix.
IMTAWIL, V., MEESOMBOON, A., KUPIMAI, M.
doaj +1 more source
Explicit construction of girth-eight QC-LDPC codes and its application in CRT method
Tongxin xuebao, 2012 For arbitrary code lengths of the form PL(P≥3L<sup>2</sup>/4+L-1),a new family of (4,L)-regular quasi-cyclic (QC) low-density parity-check (LDPC) codes was proposed explicitly with girth ight.Employing the new code as a component code in the ...
Guo-hua ZHANG, Rong SUN, Xin-mei WANG
doaj +2 more sources
Design and Implementation of a Highly Efficient Quasi-Cyclic Low-Density Parity-Check Transceiving System Using an Overlapping Decoder. [PDF]
Sensors (Basel), 2023 Sun Y +5 more
europepmc +1 more source
Short Blocklength Nonbinary Raptor-Like LDPC Coding Systems Design and Simulation
IEEE AccessThis paper explores an efficient rate-adaptive error correction coding scheme with a nonbinary (NB) $\mathrm {GF}(2^{q})$ extension of Raptor-like (RL) quasi-cyclic (QC) subclass of Low-Density Parity-Check (LDPC) codes.
Jakub Hyla, Wojciech Sulek
doaj +1 more source
Quantum LDPC Codes Based on Cocyclic Block Matrices. [PDF]
Entropy (Basel), 2023 Li Y, Guo Y.
europepmc +1 more source