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Transmitting data in a mobile communication system

  • US 9,397,791 B2
  • Filed: 04/08/2015
  • Issued: 07/19/2016
  • Est. Priority Date: 01/05/2006
  • Status: Active Grant
First Claim
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1. A method for retransmitting protocol data unit (PDU) in a mobile communication system, the method comprising:

  • generating a plurality of second PDUs for retransmission from a first PDU to be retransmitted if the first PDU does not fit within a size of PDU indicated by a lower layer, wherein each of the plurality of second PDUs fits within the size indicated by the lower layer, andtransmitting each second PDU to a receiving side,wherein the generating of the plurality of second PDUs for retransmission comprises segmenting only the data field of the first PDU to form the at least one data field of each of the plurality of second PDUs, and setting the header of each of the plurality of second PDUs,wherein the header of each of the plurality of second PDUs includes a field indicating that the respective second PDU is segmented from the first PDU.

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