This is affecting me too. Same laptop (ASUS 1201N). I've used ubuntu 10.10 64 and 32 bit versions and it's the same behavior. Looks like some other people with the same laptop are having problems too:
http://www.uluga.ubuntuforums.org/showthread.php?p=10387892 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/588822 Title: r8192se_pci driver occasionally drops connection, refuses to work with some networks -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs