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- Forward_error_correction abstract "In telecommunication, information theory, and coding theory, forward error correction (FEC) or channel coding is a technique used for controlling errors in data transmission over unreliable or noisy communication channels.The central idea is the sender encodes their message in a redundant way by using an error-correcting code (ECC).The American mathematician Richard Hamming pioneered this field in the 1940s and invented the first error-correcting code in 1950: the Hamming (7,4) code.The redundancy allows the receiver to detect a limited number of errors that may occur anywhere in the message, and often to correct these errors without retransmission. FEC gives the receiver the ability to correct errors without needing a reverse channel to request retransmission of data, but at the cost of a fixed, higher forward channel bandwidth. FEC is therefore applied in situations where retransmissions are costly or impossible, such as one-way communication links and when transmitting to multiple receivers in multicast. FEC information is usually added to mass storage devices to enable recovery of corrupted data, and is widely used in modems.FEC processing in a receiver may be applied to a digital bit stream or in the demodulation of a digitally modulated carrier. For the latter, FEC is an integral part of the initial analog-to-digital conversion in the receiver. The Viterbi decoder implements a soft-decision algorithm to demodulate digital data from an analog signal corrupted by noise. Many FEC coders can also generate a bit-error rate (BER) signal which can be used as feedback to fine-tune the analog receiving electronics.The maximum fractions of errors or of missing bits that can be corrected is determined by the design of the FEC code, so different forward error correcting codes are suitable for different conditions.".
- Forward_error_correction wikiPageExternalLink www.eccpage.com.
- Forward_error_correction wikiPageExternalLink 2004NOV29_MEM_AN10.PDF?SOURCES=DOWNLOAD.
- Forward_error_correction wikiPageExternalLink 10123.htm.
- Forward_error_correction wikiPageID "41167".
- Forward_error_correction wikiPageRevisionID "606649456".
- Forward_error_correction hasPhotoCollection Forward_error_correction.
- Forward_error_correction number "6041001".
- Forward_error_correction number "7187583".
- Forward_error_correction title "Method for reducing data error when flash memory storage device using copy back command".
- Forward_error_correction title "Method of increasing data reliability of a flash memory device without compromising compatibility".
- Forward_error_correction subject Category:Error_detection_and_correction.
- Forward_error_correction comment "In telecommunication, information theory, and coding theory, forward error correction (FEC) or channel coding is a technique used for controlling errors in data transmission over unreliable or noisy communication channels.The central idea is the sender encodes their message in a redundant way by using an error-correcting code (ECC).The American mathematician Richard Hamming pioneered this field in the 1940s and invented the first error-correcting code in 1950: the Hamming (7,4) code.The redundancy allows the receiver to detect a limited number of errors that may occur anywhere in the message, and often to correct these errors without retransmission. ".
- Forward_error_correction label "Corrección de errores hacia adelante".
- Forward_error_correction label "Forward Error Correction".
- Forward_error_correction label "Forward error correction".
- Forward_error_correction label "Vorwärtsfehlerkorrektur".
- Forward_error_correction label "Прямая коррекция ошибок".
- Forward_error_correction label "خاصية تصحيح الخطأ".
- Forward_error_correction label "前向錯誤更正".
- Forward_error_correction label "前方誤り訂正".
- Forward_error_correction sameAs Samoopravný_kód.
- Forward_error_correction sameAs Vorwärtsfehlerkorrektur.
- Forward_error_correction sameAs Corrección_de_errores_hacia_adelante.
- Forward_error_correction sameAs Galerak_berreskuratzeko_bigarren_kanala.
- Forward_error_correction sameAs Forward_Error_Correction.
- Forward_error_correction sameAs 前方誤り訂正.
- Forward_error_correction sameAs m.0b8yk.
- Forward_error_correction sameAs Q989220.
- Forward_error_correction sameAs Q989220.
- Forward_error_correction wasDerivedFrom Forward_error_correction?oldid=606649456.
- Forward_error_correction isPrimaryTopicOf Forward_error_correction.