• US 7,751,423 B2
  • Filed: 09/09/2005
  • Issued: 07/06/2010
  • Est. Priority Date: 09/10/2004
  • Status: Active Grant
First Claim
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1. An apparatus, comprising:

  • a quality unit configured to receive an indication of the quality of a communication channel for each user node of a plurality of user nodes;

    a delay unit configured to receive a predetermined delay factor for each of at least some of the user nodes, the delay factor representing a level of tolerance to a time delay; and

    a selector configured to be operably connected to the quality and delay units and being configured to determine, for each slot of a succession of slots of the communication channel, which of the user nodes is to use that slot based on the channel quality indication and the delay factors,wherein the indication of the channel quality is a data transmission rate, andwherein proportion fair scheduling is performed by selecting, for each slot, which user node has the highest ratio of an instantaneous data transmission rate to an average data transmission rate.

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