I am moving into a house with 3 others and we are all constantly using the internet which makes gaming laggy and a real pain in backside.
My problem is that it isn't our house and the owners don't want to connect the landline. So there goes my options for ADSL which leave me with mobile broadband.
The issues with that are that the plan we have, has a router which is quite ill suited to my current needs. I would like to be able to setup multiple SSIDs where I could allocate bandwith on each one so I could game lag free. However the router we have can't do this. What I want to do is use repeater which has bandwith allocation and then connect everyone to the repeater rather than the original router.
I have no real experience about this, but i know that some of the newer routers / etc have something called a "guest network" that you can set up from the same router. Depending on the firmware or what is available through the device setup, you might be able to limit that guest networks bandwidth.
On a side note, using mobile broadband will probably still be very slow or unreliable (just the nature of the beast).