Comment 56 for bug 945379

I found a fix. It deals with the drivers for various wireless hardware. I found this site very useful:
Go to the #2 answer on this thread:
http://askubuntu.com/questions/377454/wifi-dropping-every-20-mins
I went to this link:
https://help.ubuntu.com/community/WifiDocs/WirelessCardsSupported
Then to here to find I have a RealTek
https://help.ubuntu.com/community/WifiDocs/WirelessCardsSupported
then to here:
https://help.ubuntu.com/community/HardwareSupportComponentsWirelessNetworkCardsRealTek#PCI
Then here:
http://www.realtek.com.tw/downloads/downloadsView.aspx?Langid=1&PNid=1&PFid=1&Level=6&Conn=5&DownTypeID=3&GetDown=false&Downloads=true
got the new driver and instructions here:
http://www.realtek.com.tw/downloads/RedirectFTPSite.aspx?SiteID=2&DownTypeID=3&DownID=1030&PFid=1&Conn=5&FTPPath=ftp%3a%2f%2f58.211.24.153%2fcn%2fwlan%2frtl8187L_linux_1041%5b1%5d.0209.2012.tar.gz

I downloaded the OEM driver, installed an rebooted. It dropped once and after re-rebooting, it seems to work fine. It appears the problem is that the computer supplied driver for wifi and the OEM driver differ and that may possibly be the problem. This is a difficult bug to find and fix. I really hope that helps.