Patent ID: 6570856
Filing Date: 2003-05-27
Classification: H04L,H04Q,H04W

Abstract:
A method of operation of a radio communications system comprising a remote station, a first base station and at least a second base station, having an ATM communication connection established between the remote station and the first base station with at least a first virtual connection identifier, the method comprising the steps of:determining that handoff conditions are met for a handoff to the second base station; selecting a second virtual path identifier and a second virtual connection identifier for a connection between the second base station and the remote station; and wherein the first base station is provided with a sub-group of virtual path identifiers for use in communications with the remote station and the second base station is provided with a second sub-group of virtual path identifiers for use in communications with the remote station, which is mutually exclusive to the first sub-group of virtual path identifiers, and the second virtual path identifier is selected from the second sub-group.