A method for associating a WSTA to a service set, wherein the service set is configurable at the AP. Each service set is an arbitrary grouping of one or more network service parameters, and is typically configured for either VLAN or proxy mobile IP host. When a wireless station desires to associate with...http://www.google.co.uk/patents/US6950628?utm_source=gb-gplus-sharePatent US6950628 - Method for grouping 802.11 stations into authorized service sets to differentiate network access and services