If you’re using the same channel as a neighbouring router that’s close enough to overpower yours then you’ve already lost, pick a different channel. If you stick to 20 mhz there are plenty options, even more if you are able to use DFS channels.
Wifi7 can use 320MHz channels on 6GHz. There's only 1 of those in many locations.
Wifi7 can use 320MHz channels on 6GHz. There's only 1 of those in many locations.