Patent ID: 8059603
Filing Date: 2011-11-15
Classification: H04B,H04W

Abstract:
1. A method for controlling handover using a Relay Station (RS) whose coverage area includes at least one mobile station, the method comprising: monitoring, via the RS, an uplink band allocated to a mobile station of the at least one mobile station; obtaining a Connection ID (CID) and a Medium Access Control (MAC) address of the mobile station; transmitting a scanning request message including the MAC address of the mobile station to a first base station; receiving a scanning response message including scanning timing and scanning interval information from the first base station; scanning neighbor base stations using the information included in the scanning response message; determining, based on the scanning, whether a handover is necessary; transmitting, via the RS, a handover request message including the CID and the MAC address to the first base station when it is determined that the handover is necessary; and receiving, from the first base station, a handover response message including information of a second base station recommended as a handover target base station, wherein the transmitted handover request message carries CIDs of all of the at least one mobile station in the RS coverage area when the at least one mobile station in the RS coverage area comprises more than one mobile station.