In general, using an empty channel, less wide, has more range, and with less interference
So I would vastly prefer that in contended scenarios - an apartment building for example - that the actual channel width provisioned to be not be much more than what the ISP is providing. (and that the wifi be de-bufferbloated: https://lwn.net/Articles/705884/ )
Instead people keep provisioning 160mhz channels with dozens of other APs also living on those channels, and interference and retries go way up...
Above 50Mbits, most of the bufferbloat problem shifts to the wifi.
So I would vastly prefer that in contended scenarios - an apartment building for example - that the actual channel width provisioned to be not be much more than what the ISP is providing. (and that the wifi be de-bufferbloated: https://lwn.net/Articles/705884/ )
Instead people keep provisioning 160mhz channels with dozens of other APs also living on those channels, and interference and retries go way up...
Above 50Mbits, most of the bufferbloat problem shifts to the wifi.
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