I've got 2 wifi access points at both ends of my flat. So I got wifi in the whole flat. One of those access points is a router (TP-Link WR1043 v2) while the other one is just an access point (TP-Link WA901ND). Both have different ssids.
Now I've got 2 problems with this setup:
There is a room which is exactly between those 2 access points. When I sit in this room it often switches between the 2 access points. This is okay when watching youtube videos, but it's annoying when playing games on my phone. It always causes a 2-3 second lag, sometimes even a disconnect.
If I walk from one side of the flat to the other it takes like 10-20 seconds until my phone automatically switches into the other, nearer access point.
How can I solve those issues? I've already heard from something called "wifi roaming" related to this topic. What is it and can it help in this case?