From Dave Taht's presentation at Linux Plumbers Conference 2016, the results of some of our[0] work on wifi queue control and airtime fairness. Note that the "good" one is actually the one that looks like an insane paint splatter, but watch out: the y axes are very different between the two. The insane paint splatter is actually a much better contained range.

[0] Well, GFiber paid for some big parts of of it and I provided, uh, psychotherapy.