PARITY FRAME
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United States of America Patent
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Issued Date -
Jul 25, 2013
app pub date -
Jan 19, 2012
filing date -
Jan 19, 2012
priority date (Note) -
Abandoned
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Abstract
A method of forward error correction in an optical communications system. A signal to be transmitted is logically defined as a super-frame comprising a plurality of frames including a parity frame and a predetermined set of data frames. Each frame of the super-frame is processed in accordance with a first FEC scheme having a known error correlation characteristic. At least the set of data frames is processed in accordance with a second FEC scheme which is selected based on the error correlation characteristic of the first FEC scheme.
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