RFC 6816

Simple Low-Density Parity Check (LDPC) Staircase Forward Error Correction (FEC) Scheme for FECFRAME, December 2012

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V. Roca
M. Cunche
J. Lacan
fecframe (tsv)

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DOI:  10.17487/RFC6816

Discuss this RFC: Send questions or comments to fecframe@ietf.org

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This document describes a fully specified simple Forward Error Correction (FEC) scheme for Low-Density Parity Check (LDPC) Staircase codes that can be used to protect media streams along the lines defined by FECFRAME. These codes have many interesting properties: they are systematic codes, they perform close to ideal codes in many use-cases, and they also feature very high encoding and decoding throughputs. LDPC-Staircase codes are therefore a good solution to protect a single high bitrate source flow or to protect globally several mid-rate flows within a single FECFRAME instance. They are also a good solution whenever the processing load of a software encoder or decoder must be kept to a minimum.

For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 4844.

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