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Additional
channel coding
English Wikipedia - The Free Encyclopedia
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Forward error correction
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 the 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
.
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