Reduced FEC overhead in an optical transmission system

  • US 8,971,171 B2
  • Filed: 04/14/2003
  • Issued: 03/03/2015
  • Est. Priority Date: 04/12/2002
  • Status: Active Grant
First Claim
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1. A transmission system for transmitting data in a form of a digital signal including an information sequence, the data being transmitted at a predetermined rate, the system comprising:

  • a FEC encoder for transforming the information sequence into a FEC encoded sequence comprising the information sequence and coding overhead;

    a partitioner for partitioning the encoded sequence into a plurality of sequence portions, so that the encoded sequence is transmitted as a plurality of separate channels, wherein the partitioner partitions the encoded sequence between two channels such that one part of the encoded sequence is identical to the information sequence and the other part is equivalent to coding overhead;

    wherein the sequence portions are transmitted at a rate which is lower than, and not equal to, the predetermined rate.

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