XO 1.5 - CONTENTION WINDOW

Franco Miceli fmiceli at plan.ceibal.edu.uy
Tue Dec 1 11:43:29 EST 2009


Hi,

Looking for the reasons for low throughput on the XO 1.5 I've come across
with the contention window's registers.

I've found that there are like eight queues and that for all of them the
CWmax and min are set as follows:

CWmin = 7 slots
CWmax = 31 slots

As I see it this would make for a decrease in performance in situations with
a high number of customers connected to the same AP.

Can someone explain to me why these registers have been set to such values?
Is this a mistake or it is something done for some reason in particular?

Thanks.

Franco
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