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Optimizing 802.11 power-save for IP multicast groups

  • US 20050114537A1
  • Filed: 11/26/2003
  • Published: 05/26/2005
  • Est. Priority Date: 11/26/2003
  • Status: Active Grant
First Claim
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1. A method for an access point to provide superior quality of service to a plurality of associated stations by automatically optimizing delivery of a plurality of multicast data streams over a network, the steps comprising:

  • observing, at an access point, a registration message that originated from at least one associated station;

    determining, from the registration message, a multicast data stream to which this associated station subscribes;

    tracking the multicast data stream for which all associated stations subscribing to the steam support low packet-delivery latency; and

    transmitting the multicast data stream immediately to all associated low-latency stations.

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