Method and system for determining the existence of broadcast and multicast frames buffered in an access point
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United States of America Patent
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Feb 10, 2015
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app pub date -
Jan 3, 2012
filing date -
Jan 12, 2007
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Abstract
A method and a system for determining the existence of broadcast/multicast frames buffered in an access point (AP) are used to avoid wakening a station (STA) unnecessarily. The method includes: when receiving broadcast/multicast frames sent from a service network and/or multicast group, an AP sets a broadcast/multicast indication bit that associates the service network and/or multicast group to the valid state and sends frames that carry the broadcast/multicast indication bit to a STA; the STA determines whether there are broadcast/multicast frames buffered in the AP according to the associated service network and/or multicast group and the received broadcast/multicast indication bit. Embodiments of the present disclosure also disclose an AP and a STA. The AP can identify whether there are broadcast/multicast frames buffered in an AP.
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