Wireless Router with playstation 3 problem please help!!!!!!!!!!!!?

[Jared]

I have a Belkin G+ router and i just bought a playstation 3. I've been playing 2 games online and for example, in fifa 10 online I play an online game and then always after about 10-15 minutes it drops the signal and i automatically receive a loss. I wanna know if theres something i can do to get rid of this problem. Do I need to buy something extra or do I need a new router all together. If so, what is your suggestion? please help