Apparatus and method of block acknowledgements with reduced recipient state information
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United States of America Patent
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May 19, 2009
Grant Date -
Jan 4, 2007
app pub date -
Jun 29, 2005
filing date -
Jun 29, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus and method for block acknowledgements with reduced recipient state information are described. In one embodiment, the method comprises the storing of a receive state for a block of frames received during a transmission opportunity (TXOP) with an on-chip state memory. Once stored, an immediate block acknowledgement, including the receive state information, may be transmitted to an originator according to a block acknowledgement request (BAR) received during the TXOP. In the embodiments described, the BAR is received during the TXOP in which the block of data frames were transmitted to a recipient. In one embodiment, the recipient is free to discard the receive state information to free space within the on-chip system memory by requiring the originator to maintain the receive state information of blocks of data frames transmitted during TXOPs. Other embodiments are described and claimed.
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