Methods, systems and computer readable media for reconstructing uncorrectable forward error correction (FEC) data

A system for reconstructing uncorrectable forward error correction (FEC) data, the system comprising:

• a codeword generator configured for generating and transcoding a known bit sequence and transmitting a FEC encoded codeword that includes a payload containing the transcoded known bit sequence through a component under test;
• a codeword analyzer configured for receiving the FEC encoded codeword transmitted via the component under test and designating the FEC encoded codeword as an uncorrectable codeword in response to determining that encoded contents of the FEC encoded codeword contains a number of symbol errors that exceeds a predefined threshold;
• and
• a codeword reconstruction engine for utilizing stored scramble seed bits corresponding to an immediately preceding FEC encoded codeword and the transcoded known bit sequence to generate a reconstructed codeword associated with the FEC encoded codeword, wherein the preceding FEC encoded codeword is a codeword that was processed before the FEC encoded codeword.

A non-transitory computer readable medium having stored thereon executable instructions that when executed by a processor of a computer control the computer to perform steps comprising:

• generating and transcoding a known bit sequence;
• transmitting a FEC encoded codeword that includes a payload containing the transcoded known bit sequence through a component under test;
• receiving the FEC encoded codeword transmitted via the component under test;
• designating the FEC encoded codeword as an uncorrectable codeword in response to determining that encoded contents of the FEC encoded codeword contains a number of symbol errors that exceeds a predefined threshold;
• and
• utilizing stored scramble seed bits corresponding to an immediately preceding FEC encoded codeword and the transcoded known bit sequence to generate a reconstructed codeword associated with the FEC encoded codeword, wherein the preceding FEC encoded codeword is a codeword that was processed before the FEC encoded codeword.