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Method and apparatus for transmitting and receiving packet in communication system

  • US 10,313,055 B2
  • Filed: 10/31/2014
  • Issued: 06/04/2019
  • Est. Priority Date: 10/31/2013
  • Status: Active Grant
First Claim
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1. A method of transmitting forward error correction (FEC) repair packet in a broadcasting system, the method comprising:

  • converting a source packet block comprising a plurality of packets into a source symbol block;

    generating a FEC repair packet by encoding the source symbol block using a FEC code; and

    transmitting the FEC repair packet to recover the source symbol block by a receiver,wherein the FEC repair packet comprises a packet header and a repair FEC payload identification (ID),wherein the packet header comprises information on a FEC type indicating a type of FEC scheme used for the encoding, a packet ID and a packet sequence number for distinguishing packets that comprise a same packet ID, andwherein a value of the packet sequence number starts from an arbitrary value and is incremented by one for each of the packets.

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