System and method for synchronizing an IEEE 802.11 power-save interval
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United States of America Patent
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May 13, 2008
Grant Date -
Jul 8, 2004
app pub date -
Aug 26, 2003
filing date -
Jan 8, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A system and method are provided for coordinating a power-save interval in an IEEE 802.11 wireless network. The method transmits a first frame from an access point (AP) to a quality of service station (QSTA) and receives an acknowledgement from the QSTA. In response to receiving the acknowledgement, the first frame is retransmitted from the AP to the QSTA and the retransmitted first frame is identified as the last frame in the transmission queue. An acknowledgement is received responsive to the retransmitted first frame and the next minimum service interval is timed in response to the retransmitted first frame.
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