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Flow control in a packet data communication system

  • US 20040165530A1
  • Filed: 02/25/2003
  • Published: 08/26/2004
  • Est. Priority Date: 02/25/2003
  • Status: Active Grant
First Claim
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1. A method for controlling a data rate for a transfer of data from a first node of a plurality of nodes in a communication system to a second node of the plurality of nodes, the method comprising:

  • determining whether a period of time has expired since an immediately preceding flow control message has been conveyed by the second node to the first node;

    when the period of time has expired, determining a plurality of flow control parameters comprising a current occupancy (Q) of a buffer of the second node, an upper threshold (U) for an occupancy of the buffer, and a lower threshold (L) for an occupancy of the buffer;

    determining a desired data rate (r) based on the determined plurality of flow control parameters; and

    wherein the desired data rate can be used to adjust the data rate.

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