Turn off your console completely, and unplug your router. Keep everything off for 5 minutes, and reset it back on,
By UNPLUGGING the router you could stabilise the connection for 10 days... i have helped 5 players including 2 family member resolve this issue. message me if you want my help.
Does anyone know good easy ways to change your NAT types for ps3???
Go Into Your Router Usally 192.168.1.1 and sign in, Go to firewall and find DMZ and find your console IP or Mac address and click that then done save it and it should work bro thats what i did bro