We have put together a short survey to capture your feedback in terms of what BT can do when you experience home Wi-Fi issues. We would appreciate it if you could take a couple of minutes to complete a short survey. Read more from here, Fix my home Wi-Fi
Try a factory reset of the homehub by pressing a pin into the recess button on the rear for about 20 seconds. If you have changed the SSid or wireless key it will restore them back to what is on the homehub label.
factory resetting the home hub would be the best way then just setting up your connections for your ps3s again. making sure you select to use upnp. make sure ps3s are off when factory resetting the hub.
there should be a reset button on back of hub in a tiny pinhole