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Data transmission method and data retransmission method

  • US 7,826,855 B2
  • Filed: 04/29/2009
  • Issued: 11/02/2010
  • Est. Priority Date: 01/05/2006
  • Status: Active Grant
First Claim
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1. A method of providing a status report of a Radio Link Control (RLC) layer in a wireless communication system, the method performed by a receiver and comprising:

  • starting a timer when at least one missed RLC Protocol Data Unit (PDU) is detected;

    stopping the timer when the at least one missed RLC PDU is received from a transmitter while the timer is running;

    triggering the status report when the timer expires; and

    transmitting the status report to the transmitter, wherein the status report comprises a positive acknowledgement and a negative acknowledgement, the positive acknowledgement corresponding to an RLC PDU having a highest sequence number (SN) among successfully received RLC PDUs, and the negative acknowledgement indicating the at least one missed RLC PDU.

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