seanadams;408519 Wrote: 
> Wrong. Test it.

IIRC, greenfield preamble cannot be implemented by legacy stations, but
is typically used in the case of "pure 11n" mode settings in routers and
APs, and has better throughput because it is shorter than mixed mode or
legacy preambles. 

It's been a while since I followed the progress of 11n at all closely,
but I know greenfield preamble was optional, so depending on your
particular equipment, going to pure 11n mode may not have invoked
greenfield preamble. But that also shows the weakness of doing a test
on a sub-set of the gear available and claiming that anyone who gets
different results is "wrong". 

Of course, I may also be wrong if they took greenfield preamble out of
the spec by now. But as far as I know the WiFi Alliance is still
testing for it, if implemented.


Cordially,  

--dsdreamer.


-- 
dsdreamer

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