A Survey on Old and New Approximations to the Function <i>ϕ</i>(<i>x</i>) Involved in LDPC Codes Density Evolution Analysis Using a Gaussian Approximation

A Survey on Old and New Approximations to the Function <i>ϕ</i>(<i>x</i>) Involved in LDPC Codes Density Evolution Analysis Using a Gaussian Approximation

Low Density Parity Check (LDPC) codes are currently being deeply analyzed through algorithms that require the capability of addressing their iterative decoding convergence performance. Since it has been observed that the probability distribution function of the decoder’s log-likelihood ratio message...

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Bibliographic Details
Main Authors: Francesca Vatta, Alessandro Soranzo, Massimiliano Comisso, Giulia Buttazzoni, Fulvio Babich
Format: Article
Language:English
Published: MDPI AG 2021-05-01
Series:Information
Subjects:
LDPC codes
threshold
Gaussian approximation
<i>ϕ</i>(<i>x</i>) of Gaussian approximation
density evolution
sum-product algorithm
Online Access:https://www.mdpi.com/2078-2489/12/5/212

Internet

https://www.mdpi.com/2078-2489/12/5/212

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