Results 71 to 80 of about 15,682 (213)
Construction of Quantum LDPC Codes From Classical Row-Circulant QC-LDPCs [PDF]
IEEE Communications Letters, 2016 Classical row-circulant quasi-cyclic (QC) low-density parity check (LDPC) matrices are known to generate efficient high-rate short and moderate-length QC-LDPC codes, while the comparable random structures exhibit numerous short cycles of length-4. Therefore, we conceive a general formalism for constructing nondual-containing Calderbank–Shor–Steane (CSS)
Zunaira Babar +4 more
openaire +3 more sources
Codificação LDPC para aplicações em códigos de barra 2D coloridos [PDF]
, 2012 Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Elétrica, Florianópolis, 2011Nesta tese, aborda-se o armazenamento de informação em códigos de barra 2D coloridos, os quais devem ser ...
Legg, Andrei Piccinini
core
Performance Analysis of the LDPC‐Coded Hybrid LQAM‐MPPM for UWOC Systems
IET Optoelectronics, Volume 20, Issue 1, January/December 2026.The effectiveness of LDPC codes in improving the performance of hybrid modulations is discussed, with coded 128‐QAM‐(12, 2) MPPM offering ~6.5 and 5.8 dB code gains at a BER of in strong and moderate turbulence, respectively. These results demonstrate the promise of hybrid modulation with LDPC as a robust and efficient modulation scheme for UWOC ...
Hongyan Jiang +6 more
wiley +1 more source
Protograph EXIT Analysis over Block Fading Channels with Application to Relays [PDF]
, 2012 An accurate extrinsic information transfer (EXIT) analysis is developed for protograph low-density parity-check (LDPC) codes over the block fading channel (BFC). The analysis is thus exploited for analyzing the behavior of distributed protograph LDPC
Pulini, Paola +5 more
core +1 more source
Hybrid VLC–IR Communication System With Beam‐Steered Uplink and Turbo Coding Under Mobility
IET Optoelectronics, Volume 20, Issue 1, January/December 2026.This paper presents a hybrid VLC–IR communication system integrating a beam‐steered infrared uplink with Turbo coding for reliable indoor optical wireless links. The proposed architecture achieves BER below 10−3 at 10 dB SNR and maintains stable coverage under NLOS conditions through adaptive beam steering.
Saeed Ahmed Ansari
wiley +1 more source
Implementation of Decoders for LDPC Block Codes and LDPC Convolutional Codes Based on GPUs [PDF]
IEEE Transactions on Parallel and Distributed Systems, 2014 With the use of belief propagation (BP) decoding algorithm, low-density parity-check (LDPC) codes can achieve near-Shannon limit performance. In order to evaluate the error performance of LDPC codes, simulators running on CPUs are commonly used. However, the time taken to evaluate LDPC codes with very good error performance is excessive. In this paper,
Yue Zhao 0011, Francis Chung-Ming Lau
openaire +4 more sources
IET Quantum Communication, Volume 7, Issue 1, January/December 2026.The system is implemented using Ryu, Open vSwitch, and a software BB84 simulator in a Mininet testbed with up to 20 OpenFlow switches. All measurements are repeated over 30 independent trials with full statistical reporting, while QBER stability is assessed over 1000 runs.
Raied Ibrahim +4 more
wiley +1 more source
Simplified variable-scaled min sum LDPC decoder for irregular LDPC codes [PDF]
2014 IEEE 11th Consumer Communications and Networking Conference (CCNC), 2014 Min-Sum decoding is widely used for decoding LDPC codes in many modern digital video broadcasting decoding due to its relative low complexity and robustness against quantization error. However, the suboptimal performance of the Min-Sum affects the integrated performance of wireless receivers.
Ahmed A. Emran, Maha Elsabrouty
openaire +2 more sources
IET Radar, Sonar &Navigation, Volume 20, Issue 1, January/December 2026.This article evaluates the performance of a data‐driven 5G OFDM‐based passive radar under dynamic modulation orders and low‐density parity‐check (LDPC) coding for integrated sensing and communication (ISAC) applications. Simulations demonstrate that maintaining standard communication reliability via LDPC coding minimises signal reconstruction errors ...
Marek Wypich, Tomasz P. Zieliński
wiley +1 more source
CeSR + Assisted LDPC: A Holistic Strategy to Improve MLC NAND Flash Reliability
IEEE Access, 2020 NAND flash suffers from program interference and retention errors, which negatively affect its reliability. Existing schemes preprocess raw data before writing them to reduce Raw Bit Error Rate (RBER) and leverage ECCs (such as LDPC codes) to reduce ...
Hongwei Qin +4 more
doaj +1 more source