|Edit: I'm also upstairs with no way to have a wired connection.|
Wireless sucks for gaming. Sorry, but that's the simple truth and if there's any way possible to run a cable to your PC....even temporarily while you're gaming and then put it away when you're done.........you'd be a lot happier gaming with a hard wired connection.
This isn't a signal strength or bandwidth issue either. It's an inherent problem with the media (ie: wireless) and can't be "fixed" other than by moving to a wired connection.
Someone suggested that I get another router and just use both simultaneously
To what end?
The only reason I could see for doing this would be because the signal is very weak where your laptop/PC is located. That's easy enough to figure out just by checking the connection status. It should either tell you flat out, or show you bars that denote signal strength.
If the signal is very weak, then you may have a case for adding an additional wireless router. If the signal isn't weak, then adding another router is not only moot, it's useless!
It's just while gaming every about 20 seconds or so it will lag spike for about 3 seconds, while that may not seem like a big deal to some, while playing "competitively" it's a huge annoyance.
What I said above!
Even with 100% signal strength I wager the same issue would continue happening.
Why should you listen to me you wonder? Well, by trade I'm a Network Technician. Networking is what I do. That includes wireless networking. Also, I'm an avid gamer. So avid that a group of friends and I all pitched in and bought our own gaming server which we have hosted at a colocation site....and yes, I'm one of the admin's of the server as well as the game servers running on the box. Having said that, two years or so back, one of our members was complaining about the exact same issue and when I asked him if he was using wireless he said yes. I told him to get himself hardwired into his SOHO router. He did. He was VERY happy with the results and has never gone back to wireless with his gaming PC since.