forward error correction


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forward error correction

[′fȯr·wərd ′er·ər kə‚rek·shən]
(communications)
The location and correction of errors occurring in data communications by the receiver without retransmission of data.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

Forward Error Correction

(algorithm)
(FEC) A class of methods for controling errors in a one-way communication system. FEC sends extra information along with the data, which can be used by the receiver to check and correct the data.

A CPU writing data to RAM is a kind of one-way communication - see error correcting memory and error checking and correction.
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)

forward error correction

A communications technique that can correct bad data on the receiving end. Before transmission, the data are processed through an algorithm that adds extra bits for error correction. If the transmitted message is received in error, the correction bits are used to repair it.
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References in periodicals archive ?
Error-correcting codes are types of error control coding techniques that are used a noisy communication channel to detect and correct errors at the receiving end in case of forward error correction, they have been described by Bruen and Forcinito, 2011; Huffman and Pless, 2003; Peterson and Weldon, 1972, [7, 19, 20].
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After an introduction to digital communications, he presents chapters on information theory, forward error correction coding, code division multiple access, multiuser detection in CDMA systems, and multiple antenna systems.
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"Our participation in the VidTran's interoperability demonstration of Forward Error Correction is part of our ongoing commitment to provide standards-based content processing solutions for wide-scale IPTV deployments," stated Mark Tiedeman, vice president of Marketing at Tut Systems.
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These DR-VCXOs can be switched from their operating frequencies to the FEC (forward error correction) rate, enabling communication equipment to correct for jitter and re-establish a consistent frequency.
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The tester features Poisson error insertion and variable optical output power functions to evaluate forward error correction (FEC) used with OTN equipment.
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