802.1x and 802.11

Today search some documents about RADIUS, some notes between 802.1x and 802.11, aslo their relation.
802.11-- the standard of wireless, like the 802.11a/b/g WEP, WAP....
802.1x -- the standard of port-base network access control.
The 802.11 not the sub-protocol of 802.1x, they use in very different way. but BOTH of 802.11 and 802.1x offer authentication method to control the access of network.
In 802.11, it porvide two method, 1:Open System, 2: Share Key Authentication.
The 802.1x use many stander authentication protocols in wire network,like RADIUS.
Nowaday, 802.1x has been adapted to use in 802.11 to enhanced the security of wireless network.