Patent ID: 6332077
Filing Date: 2001-12-18
Classification: H04W

Abstract:
A method for associating a mobile station (STA) with an access point (AP) in a wireless LAN having a plurality of APs, comprising the steps of:pre-configuring each AP with its adjacent APs in advance according to relative locations of said plurality of APs;downloading wireless hopping information of the adjacent APs of a currently associated AP whenever an AP is associated; andselecting a best AP for said STA to associate with when roaming is activated, using a method including the steps of:a. determining if a roaming direction exists for said STA;b. selecting an AP from the adjacent APs as the best AP if a roaming direction exists and by associating with the selected AP the same roaming direction can be continued; otherwisec. scanning the adjacent APs and selecting an AP that has a highest received signal strength as the best AP.