Patent ID: 8428028
Filing Date: 2013-04-23
Classification: H04W

Abstract:
1. A handover method which is performed in a mobile station, the handover method comprising: receiving, from an access point associated with the mobile station, a first frame including information regarding a plurality of access points which are estimated to be present in a communication area of the mobile station; updating information which the mobile station has, based on the information included in the first frame; selectively scanning a plurality of channels used by the access points, among a plurality of channels which are available to the mobile station, by transmitting a second frame via channels, the type of the second frame being different from the type of the first frame, based on the updated information; and performing a handover to one of the access points based on a result of the scanning, wherein the information received from the access point includes information related to network loads of the plurality of access points.