Group transmissions in wireless local area networks
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United States of America Patent
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Feb 28, 2017
Grant Date -
Oct 27, 2011
app pub date -
Apr 12, 2011
filing date -
Apr 13, 2010
priority date (Note) -
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Abstract
A method for channel sounding by an access point includes transmitting a sounding frame to a plurality of mobile stations (STAs). The sounding frame includes training symbols to be measured by each of the plurality of STAs. A sounding response frame is received from each of the plurality of STAs. The sounding response frame received from a first STA of the plurality of STAs is received at a short interframe spacing interval delay after completion of the sounding request frame transmission.
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