초록 ▼

An exclusive VCC is maintained between each two communicating work stations (MT pair). The handoff method differs if the MT moves to a coverage area having a base station connected to the same switch as the previous coverage area (intra-switch mobility) or to a coverage area having a base station co

An exclusive VCC is maintained between each two communicating work stations (MT pair). The handoff method differs if the MT moves to a coverage area having a base station connected to the same switch as the previous coverage area (intra-switch mobility) or to a coverage area having a base station connected to a different switch than the previous coverage area (inter-switch mobility). In intra-switch mobility, the switch changes the path directly to the new base station and eliminates the path through the original base station. In inter-switch mobility, the switch performs the path set-up. The path may be elongated from the switch connected to the original BS, to the new BS, rather than from the original BS to the new BS. This eliminates the path through the original base station. The exclusive VCC between the MT pair permits path elongation to be minimized.

대표청구항 ▼

[ We claim:] [1.] A handoff method for a wireless local area network servicing at least two mobile terminals, when a first mobile terminal moves from a first coverage area covered by a first base station connected to a switch to a second coverage area covered by a second base station connected to th

[ We claim:] [1.] A handoff method for a wireless local area network servicing at least two mobile terminals, when a first mobile terminal moves from a first coverage area covered by a first base station connected to a switch to a second coverage area covered by a second base station connected to the same switch, the method comprising the steps of:a. the first mobile terminal issuing to the first base station a location message containing the location of the second base station;b. the first mobile terminal issuing to the second base station a connection message containing virtual channel connections for the first mobile terminal;c. the first base station issuing a routing message containing the location of the first and second base stations and the virtual channel connections for the first mobile terminal;d. the switch altering the virtual channel connections for the first mobile terminal to reflect the move to the second coverage area; ande. the switch issuing to the second base station a complete message containing the altered virtual channel connections for the first mobile terminal.