Patent ID: 7512403
Filing Date: 2009-03-31
Classification: H04W

Abstract:
1. For use in a source base station for communicating with a wireless mobile station in a wireless network, an apparatus for selecting at least one target base station for a handoff of said wireless mobile station, said apparatus comprising: a base station location database, said base station location database containing location information of a plurality of base stations; and a handoff controller for selecting said at least one target base station for an interfrequency hard handoff based on a location information of said at least one target base station contained in said base station location database and one of: a geographic location of said wireless mobile station, a velocity of said wireless mobile station, and a direction of motion of said wireless mobile station, wherein said handoff controller receives a message that contains base station location information, and said handoff controller selects said at least one target base station for the interfrequency hard handoff based on at least one pilot signal strength measurement received by said wireless mobile station, and wherein said handoff controller places said base station location information from said message in said base station location database and creating, from said base station location database, a preferential order of target base stations to which to hand off said wireless mobile station.