Results 31 to 40 of about 13,970 (185)
An improved method for counting 6-cycles in low-density parity-check codes [PDF]
Since their rediscovery in the early 1990s, low-density parity-check (LDPC) codes have become the most popular error-correcting codes owing to their excellent performance. An LDPC code is a linear block code that has a sparse parity-check matrix.
Slimani Djamel, Kaddai Abdellah
doaj +1 more source
A High Throughput Implementation of QC-LDPC Codes for 5G NR
Quasi-cyclic low-density parity-check (QC-LDPC) codes are the choice for data channels in the fifth generation (5G) new radio (NR). At the transmitter side, code bits from the QC-LDPC encoder are delivered to the rate matcher.
Hao Wu, Huayong Wang
doaj +1 more source
Design and Performance of Rate-compatible Non-Binary LDPC Convolutional Codes
In this paper, we present a construction method of non-binary low-density parity-check (LDPC) convolutional codes. Our construction method is an extension of Felstroem and Zigangirov construction for non-binary LDPC convolutional codes.
Kasai, Kenta +2 more
core +1 more source
Sub-graph based joint sparse graph for sparse code multiple access systems [PDF]
Sparse code multiple access (SCMA) is a promising air interface candidate technique for next generation mobile networks, especially for massive machine type communications (mMTC).
Imran, Muhammad Ali +5 more
core +2 more sources
Doped low-density parity-check codes
In this paper, we propose a doping approach to lower the error floor of Low-Density Parity-Check (LDPC) codes. The doping component is a short block code in which the information bits are selected from the coded bits of the dominant trapping sets of the ...
Yong Li +5 more
doaj +1 more source
Hierarchical and High-Girth QC LDPC Codes
We present a general approach to designing capacity-approaching high-girth low-density parity-check (LDPC) codes that are friendly to hardware implementation.
Draper, Stark C. +2 more
core +2 more sources
Concatenated LDPC-Polar Codes Decoding Through Belief Propagation
Owing to their capacity-achieving performance and low encoding and decoding complexity, polar codes have drawn much research interests recently. Successive cancellation decoding (SCD) and belief propagation decoding (BPD) are two common approaches for ...
Abbas, Syed Mohsin +3 more
core +2 more sources
Research of LT Code Based on Key Information Feedback in Deep Space Communication
CCSDS LDPC code cannot effectively solve the problems of communication interruptions and high communication error rates in deep space communication. An application scheme of digital fountain code for deep space communication is thoroughly studied in this
Hai Tian +3 more
doaj +1 more source
INCREASING THE WIRELESS SYSTEMS INFORMATION EFFICIENCY USING LDPC CODING
Background. LDPC codes research is performed in the paper. The influence of LDPC codes on channel information efficiency is studied in scope of MCS and the benefit of using LDPC codes is specified in digits as a result of research. Objective. The purpose
Leonid Uryvsky +2 more
doaj +1 more source
Beyond 100 Gbit/s Pipeline Decoders for Spatially Coupled LDPC Codes
Low-density parity-check (LDPC) codes are a well-established class of forward error correction codes that provide excellent error correction performance for large code block sizes.
Matthias Herrmann, Norbert Wehn
doaj +1 more source

