On Wed, 11 May 2016, Luca Muscariello wrote:

> It's surprising that 802.11 standard never considered time fairness in the
> EDCF. A reason might be the time fairness might be enforced using the PCF.

to be fair, at that point the rate variation was 1Mb - 11Mb and wasn't expected 
to change much during use.

David Lang