I've recently bought a new laptop (Acer Aspire V3-571G) and installed Fedora 17 on it. Slightly after doing this I began experiencing problems with wireless. My laptop would disconnect and immediately try to reconnect, it would display the message that the network required a password (which was already filled in the password field) and when I selected connect it would fail again in a few moments and repeat the process.
I thought at first it was our University's wireless which was having faults (It never has before) as my co-worker was also being disconnected from the network as well (he was running Ubuntu on his laptop). Unfortunately when I got home I found that it wasn't the uni network, when I booted up my laptop it would connect and run fine but after approximately 10 minutes it would start the disconnect reconnect loop, I also noticed that when it disconnected a second later other computers would disconnect as well. I've tested this several times at home using my new laptop, my old fedora 15 laptop and a Windows Vista laptop, once my new laptop gets disconnected the other 2 follow suit in a few seconds.
If my new laptop is off or has it's wireless off then the wireless works perfectly for everyone else, it's only when it is connected that it causes a problem. When I first got the laptop it had Windows 7 on it and I used it to set up a Unetbootin flash drive to install fedora 17, I had no problems using the wireless then and I must've used it for half an hour however I'm unable to retest this as I removed Windows from the laptop when I installed fedora.
My lspci says my Network Controller is: Atheros Communications Inc. Device 0034 (rev 01)
I've tried to resolve this problem myself as it currently renders my laptop pretty unusable (can't install the programs I need with no internet and my laptop moves a lot so cable is not an option) but I'm not a linux expert (yet).
Any help or advice from anyone more in the know than myself or who may have faced this problem before would be greatly appreciated.