I'm occasionally seeing poor channel re-use on 5GHz. Today, I have 3 APs all on the same channel within a relatively close space (50-60ft). APs can hear eachother around -78 to -83, which is still high enough to trip CCA resulting in interference. ARM should be a better judge than me by using its coverage/interference index, but I can't help but wonder how I can possibly end up with 3 APs on the same channel? More importantly, do we have any control over this? I'd like to believe I can get better channel re-use by adjusting some knobs. Thoughts?
Anyone try static channel plans as an alternative?