Results 21 to 30 of about 19,347 (198)

A Flexible LDPC/Turbo Decoder Architecture [PDF]

open access: yes, 2010
Low-density parity-check (LDPC) codes and convolutional Turbo codes are two of the most powerful error correcting codes that are widely used in modern communication systems. In a multi-mode baseband receiver, both LDPC and Turbo decoders may be required.
Cavallaro, Joseph R., Sun, Yang
core   +2 more sources

Binary Message Passing Decoding of Product Codes Based on Generalized Minimum Distance Decoding [PDF]

open access: yes, 2019
We propose a binary message passing decoding algorithm for product codes based on generalized minimum distance decoding (GMDD) of the component codes, where the last stage of the GMDD makes a decision based on the Hamming distance metric.
Amat, Alexandre Graell i   +2 more
core   +3 more sources

On Maximum Contention-Free Interleavers and Permutation Polynomials over Integer Rings [PDF]

open access: yes, 2005
An interleaver is a critical component for the channel coding performance of turbo codes. Algebraic constructions are of particular interest because they admit analytical designs and simple, practical hardware implementation. Contention-free interleavers
Takeshita, Oscar Y.
core   +2 more sources

Entanglement-assisted quantum turbo codes [PDF]

open access: yes, 2013
An unexpected breakdown in the existing theory of quantum serial turbo coding is that a quantum convolutional encoder cannot simultaneously be recursive and non-catastrophic.
Babar, Zunaira   +2 more
core   +3 more sources

An Efficient Early Iteration Termination for Turbo Decoder

open access: yesJournal of Telecommunications and Information Technology, 2016
Turbo code finds wide applications in mobile communication, deep space communication, satellite communication and short-range communication despite its high computational complexity and iterative nature.
P. Salija
doaj   +1 more source

VLSI implementation of a multi-mode turbo/LDPC decoder architecture [PDF]

open access: yes, 2013
Flexible and reconfigurable architectures have gained wide popularity in the communications field. In particular, reconfigurable architectures for the physical layer are an attractive solution not only to switch among different coding modes but also to ...
Condo, Carlo   +2 more
core   +1 more source

Semi-Iterative Analog Turbo Decoding [PDF]

open access: yesIEEE Transactions on Circuits and Systems I: Regular Papers, 2007
Based on multiple-slice turbo codes, a novel semi-iterative analog turbo decoding algorithm and its corresponding decoder architecture are presented. This work paves the way for integrating flexible analog decoders dealing with frame lengths over thousands of bits.
Arzel, Matthieu   +4 more
openaire   +5 more sources

Iterative Decoding of Concatenated Codes: A Tutorial

open access: yesEURASIP Journal on Advances in Signal Processing, 2005
The turbo decoding algorithm of a decade ago constituted a milestone in error-correction coding for digital communications, and has inspired extensions to generalized receiver topologies, including turbo equalization, turbo synchronization, and turbo ...
Phillip A. Regalia
doaj   +1 more source

Turbo Decoder for Low-Power Ultrawideband Communication Systems

open access: yesInternational Journal of Digital Multimedia Broadcasting, 2008
A new method to reduce the computational complexity of the turbo decoding in ultrawideband (UWB) orthogonal frequency division multiplexing (OFDM) system is proposed.
Esam A. Obiedat, Lei Cao
doaj   +1 more source

Research and implementation of Turbo decoding SOVA algorithm

open access: yesDianzi Jishu Yingyong
For the application requirements of low-orbit satellite communication, in order to reduce interference and load, convolutional codes, Turbo codes and other channel coding methods are usually used to improve the reliability of transmission.
Wang Danfei, Song Junkang, Xia Huining
doaj   +1 more source

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