Wireless Repeater

I have a dongle but the signal is bad in the living room but good upstairs, is there a way i can use my router as a wireless repeater for now while i am waiting for my broadband to be activated?.

Depends on what the total situation is:
How many PCs involved?
Where is/can be this router?
What sort of router and dongle are we talking about?

One scenario is to set up the PC with the dongle as a gateway/router, connect it to your router, and use the wireless from that to pass the stuff to other PCs ...

There will be one laptop and a router involved, the dongle is a three dongle and the router is the one that sky give you when you sign up for there broadband.

Any ideas?.

For the single PC stated, you'd need a router into which you can plug the dongle - I don't think the sky one will do this, so you're looking to buy extra equipment to either extend the range of the dongle or receive the signal from the dongle (special router - google can provide the answer) and pass it on.

Given that it's a 3 dongle, have you considered a MiFi which would be a portable 3G router with built-in wireless. it's worth a look if you are having to buy something anyway.

Otherwise there are generic (unlocked) 3G routers - some are used with the USB dongle and some would just use the SIM from out of the dongle.

Google is your friend but TP-Link do this TL-MR3420 £30-35 on the shopping sites. This also has a normal ethernet WAN port so should you get cable or fibre you could still use it with 3G set as failover.

It's not the only option but just to give you an idea.