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POWER-SAVE APPARATUS FOR 802.11 MULTICAST PAGING APPLICATIONS

  • US 20090052362A1
  • Filed: 09/09/2008
  • Published: 02/26/2009
  • Est. Priority Date: 05/12/2004
  • Status: Active Grant
First Claim
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1. An apparatus, comprising:

  • an access point configured to provide a wireless data link to at least one associated power-save client station;

    wherein the access point is configured to determine multicast group membership for the at least one power-save client station;

    wherein the access point is configured to classify each multicast group as one of the group consisting of;

    disabled when no associated client stations are members,active when all associated member stations are in active mode, andpower-save when at least one associated member station is in power-save mode;

    wherein the access point is configured to delete multicast frames addressed to a multicast group classified as disabled;

    wherein the access point is configured to immediately transmit frames to addressed to a multicast group classified as active; and

    wherein the access point is configured to buffer a frame addressed to a multicast group classified as power-save for transmission following a periodic, scheduled beacon transmission.

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