VARYING SIZE COEFFICIENTS IN A WIRELESS LOCAL AREA NETWORK RETURN CHANNEL
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United States of America Patent
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Issued Date -
Jul 5, 2007
app pub date -
Aug 9, 2006
filing date -
Jan 5, 2006
priority date (Note) -
Abandoned
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Abstract
Sending channel related parameters known as channel state information (CSI) over a WLAN return channel. The size of these coefficients is not fixed. Rather, the coefficients are quantized in a certain resolution, which is determined adaptively according to a measure of the channel quality. This allows minimizing the component of the bandwidth of the wireless connection that is not used for payload transfer.
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