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COUNTER BASED FAIRNESS SCHEDULING FOR QoS QUEUES TO PREVENT STARVATION

  • US 20150222552A1
  • Filed: 03/17/2015
  • Published: 08/06/2015
  • Est. Priority Date: 07/22/2012
  • Status: Active Grant
First Claim
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1. A method to communicate data between a wireless access point and a wireless station comprising:

  • maintaining at least one low priority Quality of Service (QoS) queue for tracking low-priority data to be transmitted between the wireless access point and the wireless station;

    maintaining at least one high priority QoS queue for tracking high priority data to be transmitted between the wireless access point and the wireless station;

    performing a fairness mechanism process wherein an initialized value for a fairness counter is periodically updated,anda low priority packet from said at least one low priority QoS queue is injected in a transmit opportunity of the high priority queue in substitution for a high priority packet from said at least one high priority QoS queue that otherwise would have been transmitted according to the QoS scheme in dependence on said fairness counter having a predefined value.

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