Patent ID: 7860504

Claim:
A method of treating a handover in a bridge-based radio access station backbone network that includes a plurality of base station bridges each comprising a two-tiered switch connected to a plurality of radio access stations, a plurality of Site Core Bridges (SCBs) each comprising a two-tiered switch which constitutes the core network, and a Home Location Register (HLR) for managing the structural information of the network constituents, said method comprising the steps of: storing terminal information by one SCB of said plurality of SCBs, said terminal information containing a receiving address of an initial terminal registration message or a route update message of a terminal including a Media Access Control (MAC) and IP addresses of said terminal and to send said terminal information and its own MAC address to said HLR to register the location information notifying to which SCB said terminal belongs and said terminal information; deleting terminal information by said SCB in response to a disconnection message of said terminal caused by handover, including requesting the SCBs in the terminal end of the old MAC-in-MAC tunnel to delete the tunnel information and said terminal information, and informing said HLR of initiating said handover to change the registered operational state of said terminal; and deleting the tunnel information and the terminal information of the terminal by said SCB operating as a crossover bridge upon request of an opposite SCB and to query said HLR of the location information of said terminal so as to receive the information of a new SCB to which said terminal belongs, thereby restarting the frame mediation with said new SCB.