Results 91 to 100 of about 196,265 (325)
Bilayer expurgated LDPC codes with uncoded relaying
Digital Communications and Networks, 2017 Bilayer low-density parity-check (LDPC) codes are an effective coding technique for decode-and-forward relaying, where the relay forwards extra parity bits to help the destination to decode the source bits correctly. In the existing bilayer coding scheme,
Md. Noor-A-Rahim +3 more
doaj +1 more source
On Dyadic Parity Check Codes and Their Generalizations [PDF]
, 2023 In order to communicate information over a noisy channel, error-correcting codes can be used to ensure that small errors don’t prevent the transmission of a message.
Martinez, Meraiah
core +1 more source
Design of rate-compatible low-density parity-check codes for type-II hybrid ARQ systems
Tongxin xuebao, 2006 The design of powerful rate-compatible low-density parity-check codes（RC-LDPC）was constructed in zigzag structure for type-II hybrid ARQ systems.The generalized PEG algorithm was used in the process of constructing RC-LDPC codes to improve the ...
WANG Dan, WANG Xin-mei
doaj +2 more sources
The Analytical Description of Regular LDPC Codes Correcting Ability
Transport and Telecommunication, 2014 The analytical description of regular LDPC (Low-Density Parity Check) codes correcting ability has been investigated. The statistical dependencies for the maximum number of corrected bits per the code word as a function of LDPC code word length and code ...
Uryvsky Leonid, Osypchuk Serhii
doaj +1 more source
Construction of Zero Cross Correlation Code using a type of Pascal's Triangle Matrix for Spectral Amplitude Coding Optical Code Division Multiple Access networks [PDF]
arXiv, 2016 In this paper a new method to construct zero cross correlation code with the help of Pascal's triangle pattern called Pascal's Triangle Matrix Code (PTMC) for Spectral Amplitude Coding Optical Code Division Multiple Access (SAC-OCDMA) system is successfully developed.
arxiv
Self-dual codes over $\mathbb{F}_5$ and $s$-extremal unimodular lattices [PDF]
arXiv, 2022 New $s$-extremal extremal unimodular lattices in dimensions $38$, $40$, $42$ and $44$ are constructed from self-dual codes over $\mathbb{F}_5$ by Construction A. In the process of constructing these codes, we obtain a self-dual $[44,22,14]$ code over $\mathbb{F}_5$. In addition, the code implies a $[43,22,13]$ code over $\mathbb{F}_5$. These codes have
arxiv
Symbol Message Passing Decoding of Nonbinary Low-Density Parity-Check Codes [PDF]
, 2019 We present a novel decoding algorithm for q-ary low-density parity-check codes, termed symbol message passing. The proposed algorithm can be seen as a generalization of Gallager B and the binary message passing algorithm by Lechner et al. to q-ary codes.
Graell I Amat, Alexandre +3 more
core +1 more source
Low density parity check codes
, 2021 Low Density Parity Check codes, LDPCs for short, are a family of codes which have shown near optimal error-correcting capabilites. They were proposed in 1963 by Robert Gallager in his PhD thesis. While he proved that probabilistic constructions of random LDPCs gave asymptotically good linear codes, they were largely abandoned due to the lack of ...
openaire +1 more source
What can we Learn from Quantum Convolutional Neural Networks?
Advanced Quantum Technologies, EarlyView.Quantum Convolutional Neural Networks have been long touted as one of the premium architectures for quantum machine learning (QML). But what exactly makes them so successful for tasks involving quantum data? This study unlocks some of these mysteries; particularly highlighting how quantum data embedding provides a basis for superior performance in ...
Chukwudubem Umeano +3 more
wiley +1 more source