Patent ID: 8285284

Claim:
A method for handover between base stations in a wireless communication system which includes a plurality of base stations and at least one mobile station, wherein each of the plurality of base stations supports at least one of two or more radio access schemes and the mobile station is operable in the two or more radio access schemes, the method comprising: before the mobile station moves from a first base station to a second base station, the second base station notifying the mobile station, via the first base station, of transfer information which specifies a radio access scheme allowing the mobile station to make at least initial connection to the second base station; and before the mobile station moves from the first base station to the second base station, the mobile station recognizing the radio access scheme of the second base station from the transfer information, wherein the second base station notifies the mobile station, via the first base station, of the transfer information which specifies a selected one of the two or more radio access schemes, when the second base station supports the two or more radio access schemes, to make the at least initial connection during a handover from the first base station to the second base station.