Chain encoding and decoding of high speed signals

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United States of America Patent

PATENT NO 9088387
APP PUB NO 20150033092A1
SERIAL NO

13949627

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Abstract

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A method of recovering a value of a symbol received through an optical communications system. A multi-bit estimate of the symbol is subdivided into a first part and a second part, each part including at least one respective bit of the estimate. A most likely value of the first part is detected. The most likely value of the first part is processed using a Forward Error Correction (FEC) decoder to generate a corrected first part value, which is used to detect a most likely value of the second part. The most likely value of the second part is then processed by the FEC decoder to generate a corrected second part, which is combined with the corrected first part to recover the value of the symbol.

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Patent Owner(s)

  • CIENA CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Oveis, Gharan Shahab Ottawa, CA 61 499
Roberts, Kim B Ottawa, JP 157 2942

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