Results 61 to 70 of about 9,106 (209)

New decoding scheme for LDPC codes based on simple product code structure

open access: yes, 2012
In this paper, a new decoding scheme for low-density parity-check (LDPC) codes using the concept of simple product code structure is proposed based on combining two independently received soft-decision data for the same codeword.
Hong, Seokbeom   +4 more
core   +1 more source

A Decoding Algorithm for LDPC Codes Over Erasure Channels with Sporadic Errors [PDF]

open access: yes, 2010
none4An efficient decoding algorithm for low-density parity-check (LDPC) codes on erasure channels with sporadic errors (i.e., binary error-and-erasure channels with error probability much smaller than the erasure probability) is proposed and its ...
Chiani, Marco   +3 more
core   +1 more source

Adaptive Coding‐Based Quantum Communication System for Image Transmission

open access: yesElectronics Letters, Volume 61, Issue 1, January/December 2025.
Adaptive coding‐based quantum communication demonstrates the superior robustness and higher image quality compared to the adaptive coding‐based classical communication in varying channel noise conditions and bandwidth‐restricted applications. ABSTRACT This work presents a quantum communication system enhanced with adaptive coding, aimed at improving ...
Udara Jayasinghe   +4 more
wiley   +1 more source

Multilevel LDPC Codes Design for Multimedia Communication CDMA System

open access: yesEURASIP Journal on Wireless Communications and Networking, 2004
We design multilevel coding (MLC) with a semi-bit interleaved coded modulation (BICM) scheme based on low density parity check (LDPC) codes. Different from the traditional designs, we joined the MLC and BICM together by using the Gray mapping, which is ...
Hou Jia, Yi Yu, Lee Moon Ho
doaj   +2 more sources

A Non‐Binary Dual Cascade Polar Codes Construction and Low‐Complexity SCL Decoding

open access: yesElectronics Letters, Volume 61, Issue 1, January/December 2025.
First, we design an error‐correction approach including two cascade non‐binary polar coding (NB‐CPolar) structures and a cyclic redundancy check (CRC) code. Second, we propose a low‐complexity decoding algorithm based on non‐binary successive cancellation list (NB‐LSCL) decoding.
Baoxin Su   +3 more
wiley   +1 more source

Novel construction of QC-LDPC codes with modified 2-D GRS codes

open access: yesTongxin xuebao, 2015
The construction method for QC-LDPC (quasi-cyclic low density parity-check) code with modified two-dimensional generalized reed-solomon (2-D GRS) code is proposed using the generator polynomial of GRS code,so thus the constructed code can have better ...
Ming ZHAO, Xiao-lin ZHANG
doaj   +2 more sources

Check-hybrid GLDPC Codes: Systematic Elimination of Trapping Sets and Guaranteed Error Correction Capability

open access: yes, 2016
In this paper, we propose a new approach to construct a class of check-hybrid generalized low-density parity-check (CH-GLDPC) codes which are free of small trapping sets.
Chilappagari   +6 more
core   +3 more sources

Deep Learning Based Design of Binary Signalling for Optical Wireless Communication Systems With 2D Receiver

open access: yesIET Optoelectronics, Volume 19, Issue 1, January/December 2025.
We apply a deep learning (DL) technique to binary signalling design for optical wireless communication (OWC) system with a 2D LED transmitter array and an arrayed 2D receiver. It is demonstrated that the DL‐based signalling design algorithm is feasible for OWC system, considering physical channel effect. ABSTRACT Recently, deep learning (DL) techniques
Yongwoon Hwang   +2 more
wiley   +1 more source

Iterative decoding of SOVA and LDPC product code for bit-patterned media recoding

open access: yesAIP Advances, 2018
The demand for high-density storage systems has increased due to the exponential growth of data. Bit-patterned media recording (BPMR) is one of the promising technologies to achieve the density of 1Tbit/in2 and higher.
Seongkwon Jeong, Jaejin Lee
doaj   +1 more source

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