Methods and arrangements to assign slots in restricted access windows in wireless networks
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United States of America Patent
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Sep 22, 2015
Grant Date -
Mar 13, 2014
app pub date -
Dec 29, 2012
filing date -
Sep 7, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
Logic may implement a slot assignment scheme that uses information provided in traffic indication map (TIM) information element (IE) and restricted access window (RAW) parameter set (PS) IE to determine a station-to-slot mapping function for communication of slot assignments to stations for RAWs. The TIM IE may comprise a bitmap indicating paged and unpaged stations. The RAW PS IE may comprise a duration and a slot duration. Logic may implement the station-to-slot function by determining the number of slots in a RAW and correlating slot assignments for stations based upon a position for the station in the TIM bitmap. The TIM bitmap may identify each station via a bit on a page in the bitmap based upon an assignment of the station to a position in the TIM bitmap. The station-to-slot mapping function may use an offset for fair access.
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