Patent ID: 7676226

Claim:
A fast handover method for a mobile terminal in a wireless local area system including the mobile terminal and a plurality of wireless access points (APs), of which one is a serving AP currently communicating with the mobile terminal and others represent neighbor APs of the mobile terminal, that communicate with the mobile terminal over a unique radio channel, the method comprising: receiving a beacon frame signal from the serving AP and the neighbor APs of the mobile terminal; generating a first signal to determine a state of each of the neighbor APs based on the beacon frame signal received from each of the neighbor APs; comparing the first signal with predefined thresholds, classifying the neighbor APs into a detected AP, a candidate AP, and a target AP according to a result of the comparison, and storing the classification result in a neighbor AP list; and selecting an AP for the handover based on the classification result in the neighbor AP list.