Data unit detection including antenna diversity
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United States of America Patent
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Nov 11, 2008
Grant Date -
May 5, 2005
app pub date -
Dec 7, 2004
filing date -
Jun 29, 1999
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A system adjusts a receiving device in response to sensing symbols. An automatic gain control is adjusted in response to receiving a first symbol of a data unit from a first antenna. After adjusting the automatic gain control at least a second and a third symbol of the data unit are received. The automatic gain control in response to receiving a fourth symbol of the data unit from a second antenna is received. After adjusting the automatic gain control at least a fifth and a sixth symbol of the data unit is received. At least one of the first and second antenna is selected based upon a function of a first and second energy, calculated using the second and third symbol, and the fifth and sixth symbol, respectively.
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