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WLAN Preamble questions.

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TyroneGibson

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This question is regarding WiFi Physical layer. I am not sure whether this the appropriate site to ask this type of question. If not, I am open to suggestions.

I have read in a book that

*a Short Training Field (STF) contains ten repetition of a 0.8 $\mu s$ symbol*.

I am wondering why this is the case if the STF is defined based on the following *frequency domain sequence*

$\{ 0,0,1+j,0,0,0,-1-j,0,0,0,1+j,0,0,0,-1-j,0,0,0,-1-j,0,0,0,1+j,0,0,00,1+j,0,0,0,0,0,0,0,-1-j,....\}$

Note that the sequence uses 12 subcarriers of 52 and a 64 IFFT creates 1 3.2$\mu s$.
 

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