Patent ID: 7890108
Filing Date: 2011-02-15
Classification: H04W

Abstract:
1. A method of performing a handover operation in a serving base station, the method comprising: receiving a handover request message from a mobile subscriber station if the mobile subscriber station determines that the handover operation needs to be performed; transmitting a handover pre-notification message to one or more handover target base stations; selecting at least one of the one or more handover target base stations; transmitting a handover response message to the mobile subscriber station, wherein the handover response message comprises information pertaining to the one or more handover target base stations; maintaining resources and information associated with the mobile subscriber station for a predetermined time duration if a handover indication message is received from the mobile subscriber station, wherein the handover indication message indicates intent to release a connection; and recognizing the successful completion of the handover operation and releasing the connection to the mobile subscriber station if a handover complete message is received from the handover target base station.