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Method for reducing delay in a communication system employing HARQ

  • US 8,325,650 B2
  • Filed: 11/01/2006
  • Issued: 12/04/2012
  • Est. Priority Date: 11/01/2006
  • Status: Active Grant
First Claim
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1. A method of reducing transmission delay on downlink channels over a radio interface in a communication network, comprising a communication network node transmitting packet data to one or more user equipments over said radio interface, the method comprising:

  • estimating a number of transmission attempts needed for transmitting said packet data based on a ratio of the signal-to-interference ratio that is required to meet the certain quality-of-service requirement and a signal-to-interference ratio that is achievable;

    transmitting a first packet data; and

    re-transmitting said first packet data said estimated number of transmission attempts without waiting for a feedback message from a user equipment between each re-transmission of said first packet data.

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