1convert wan to lan 2wwan connection drops 3slower wifi speed/good wired ALFA R36 WR6202-1U

some additional info to the above, forgot to mention that the drops in wifi arent drops from the local wlan neither any drop physically.
both wlan and wwan stay connected after having applied my settings, the drops are not anymore time related however with continuous usage if it is intense the internet connection drops while both wwan and wlan stay connected.
over wifi i also have the issue of a certain delay before the peak of speed is reached and after fluctuates, something which is not present on a wired connection which works perfect despite of it functioning as a wifi extender

i also have tried it with several awus036h with same result so it isnt a hardware malfunction.
also with the awus036nhr v2 (8188RU) and the awus036nhv csv (8188EU) but overal regardless of lack of N support the 8187 seems to be the most robust.

real drops i only had with openwrt chaos calmer but not on lede anymore.

furthermore i like to note that the original lan is fully functioning it is just the converted wan to lan port which remains undetected by any device and does not provide dhcp.

since every device has its own topology i tried following the correct guide for the r36 however wan is still not functioning as lan.

next to all the last issue im having is when one device starts using significant bandwith other devices sometimes dont operate anymore, tried installing and configuring QoS but without any significant effect.

i believe this description captured all of my lasting issues that i haven't been able to fix.

maybe this is the reason it isnt working while it should ( wan to lan port ) https://patchwork.ozlabs.org/patch/561991/ anyone?