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Method and apparatus for managing transmission of TCP data segments

  • US 8,301,799 B2
  • Filed: 08/05/2011
  • Issued: 10/30/2012
  • Est. Priority Date: 03/04/2008
  • Status: Active Grant
First Claim
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1. User equipment arranged to transmit a data segment over an interface of a wireless communication network, the user equipment comprising:

  • a memory;

    transmission management logic for determining a sequence number of a data segment to be transmitted,wherein the transmission management logic is operable to;

    compare the sequence number of the data segment to be transmitted with at least one pending sequence number of a previous data segment, and, based on the comparison,discard the data segment to be transmitted in response to the sequence number of the data segment to be transmitted matching the at least one pending sequence number of the previous data segment; and

    add the sequence number of the data segment to be transmitted to the at least one pending sequence number and transmit the data segment over the interface in response to the sequence number of the data segment to be transmitted not matching the at least one pending sequence number,wherein a plurality of pending sequence numbers is stored as a list of pending sequence numbers within the memory of the user equipment, and the sequence number of the data segment to be transmitted is considered as matching the at least one pending sequence number if the same sequence number is present within the list of pending sequence numbers, wherein the transmission management logic is operable to remove the sequence number of an acknowledged data segment from the list of pending sequence numbers in response to receipt of an acknowledgement that the acknowledged data segment has been successfully received by a network element of the wireless communication network.

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