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FORWARD ERROR CORRECTION USING SOURCE BLOCKS WITH SYMBOLS FROM AT LEAST TWO DATASTREAMS WITH SYNCHRONIZED START SYMBOL IDENTIFIERS AMONG THE DATASTREAMS

  • US 20150319464A1
  • Filed: 07/10/2015
  • Published: 11/05/2015
  • Est. Priority Date: 01/18/2013
  • Status: Active Grant
First Claim
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1. A forward error correction data generator comprising:

  • an input for at least two datastreams for which forward error correction data shall be generated in a joint manner, each datastream comprising a plurality of symbols, wherein a forward error correction data symbol is based on a forward error correction (FEC) source block;

    a signaling information generator configured to generate signaling information for the forward error correction data symbol regarding which symbols within the at least two datastreams belong to the corresponding FEC source block by determining a pointer to a start symbol within a first datastream of the at least two datastreams, a pointer to a start symbol within a second datastream of the at least two datastreams, a number of symbols within the first datastream that belong to the corresponding source block, and a number of symbols within the second datastream that belong to the corresponding source block;

    a synchronizer configured to determine a common identifier for the start symbols within the at least two datastreams;

    wherein the signaling information generator is configured to include the common identifier into the signaling information to serve as the pointer to the start symbols within the at least two datastreams.

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