Multiple delivery traffic indication map (DTIM) per device within single user, multiple user, multiple access, and/or MIMO wireless communications
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United States of America Patent
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Oct 31, 2017
Grant Date -
Feb 18, 2016
app pub date -
Oct 30, 2015
filing date -
Jun 17, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
Communications are coordinated between different respective wireless communication device groups in a multiple delivery traffic indication map (DTIM) per device signaling scheme. Different respective wireless communication devices (e.g., wireless stations (STAs)) may communicate with a manager/coordinator wireless communication device (e.g., access point (AP)) at different times and for different reasons. The manager/coordinator wireless communication device generates and transmits beacons to the wireless communication devices specifying times during which communications may be supported with the manager/coordinator wireless communication device. A restricted access window (RAW) information element (IE) within a beacon includes at least one restricted access window (RAW) to specify a wireless communication device authorized to communicate with the manager/coordinator wireless communication device. Different wireless communication device groups may communicate with the manager/coordinator wireless communication device at different periodicities, and any one wireless communication device may be included in more than one wireless communication device group.
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