Patent ID: 8023468

Claim:
A method for an access point to facilitate fast handoff of user terminals in a wireless communication network, comprising: performing communication with user terminals within a coverage area of the access point through a primary interface of the access point; broadcasting standard beacon frames on a working channel of the access point through the primary interface; broadcasting extended beacon frames on working channels of one or more neighbor access points of said access point through a secondary interface of the access point; adjusting a broadcast interval of the extended beacon frames according to a number of the working channels of said one or more neighbor access points and based on intervals of standard beacons of said one or more neighbor access points, which are stored in a neighbor list, such that in one period of standard beacon frame of each neighbor access point, one extended beacon frame is sent on the working channel of that neighbor access point, wherein the extended beacon frame broadcast through the secondary interface includes information corresponding to the primary interface.