F18, How to install WI-FI without an Ethernet connection?

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http://forums.fedoraforum.org – Hello: :Y This is not exactly a new Fedora issue! :Y I had successly installed F17 because I had an Ethernet connection. Now, all I have is a WiFi connection. Without an Ethernet connection, I just do not know how to install Fedora-18. If there is a way, please reply, or post the link. -- Note: I had no trouble installing Ubuntu and Mint using Wifi, I used an Atheros based USB which works "out of the box". It would be nice to allow Fedora 18 to do the same! -- The Atheros WiFi Linux drivers are open-source, so why not make them available, out of the box? (HowTos)