Deriving good LDPC convolutional codes from LDPC block codes

AE Pusane, R Smarandache… - IEEE Transactions …, 2011 - ieeexplore.ieee.org
Low-density parity-check (LDPC) convolutional codes are capable of achieving excellent
performance with low encoding and decoding complexity. In this paper, we discuss several …

Eliminating trapping sets in low-density parity-check codes by using Tanner graph covers

M Ivkovic, SK Chilappagari… - IEEE transactions on …, 2008 - ieeexplore.ieee.org
We discuss error floor asympotics and present a method for improving the performance of
low-density parity-check (LDPC) codes in the high SNR (error floor) region. The method is …

Low-density parity check convolution code (LDPC-CC) encoder and LDPC-CC decoder

S Okamura, Y Murakami, M Orihashi - US Patent 8,423,876, 2013 - Google Patents
It is possible to provide and an LDPC-CC (Low-Density Parity-Check Convolution Codes)
encoder and an LDPC-CC decoder which performs an error correction encoding and …

Implementation of decoders for LDPC block codes and LDPC convolutional codes based on GPUs

Y Zhao, FCM Lau - IEEE Transactions on Parallel and …, 2013 - ieeexplore.ieee.org
In this paper, efficient LDPC block-code decoders/simulators which run on graphics
processing units (GPUs) are proposed. We also implement the decoder for the LDPC …

Loss correction encoding device and loss correction encoding method

Y Murakami, S Okamura - US Patent 8,522,109, 2013 - Google Patents
(57) ABSTRACT A loss correction encoding device having an improved capa bility of loss
correction using LDPC-CC is disclosed. In the loss correction encoding device (120), a …

Transmitting method and transmitting apparatus

Y Murakami, S Okamura, M Orihashi… - US Patent …, 2018 - Google Patents
A low-density parity check convolution code (LDPC-CC) is made, and a signal sequence is
sent after being subjected to an error-correcting encodement using the low-density parity …

Low-density parity-check convolutional code (LDPC-CC) encoding method, encoder and decoder

Y Murakami, S Okamura, M Orihashi… - US Patent …, 2014 - Google Patents
An encoding method and an encoder for creating a low-density parity check convolution
code (LDDC-CC), sending a signal sequence after subjecting the code to an error-correction …

Encoding method, decoding method, coder and decoder

Y Murakami - US Patent 8,595,588, 2013 - Google Patents
US8595588B2 - Encoding method, decoding method, coder and decoder - Google Patents
US8595588B2 - Encoding method, decoding method, coder and decoder - Google Patents …

LDPC convolutional codes based on parity check polynomials with a time period of 3

Y Murakami, S Okamura, S Okasaka… - IEICE transactions on …, 2009 - search.ieice.org
We newly design time-varying low-density parity-check convolutional codes (LDPC-CCs)
based on parity check polynomials of the convolutional codes with a time period of 3, and …

Pseudocodeword performance analysis for LDPC convolutional codes

R Smarandache, AE Pusane… - IEEE transactions on …, 2009 - ieeexplore.ieee.org
Message-passing iterative decoders for low-density parity-check (LDPC) block codes are
known to be subject to decoding failures due to so-called pseudocodewords. These failures …