Patent ID: 6909887
Filing Date: 2005-06-21
Classification: H04L,H04W

Abstract:
1. Method of controlling a circuit mode communication logical channel between a radio terminal and a cellular radiocommunication infrastructure, the infrastructure comprising at least one core network, radio network controllers linked to the core network and comprising first and second controllers, and base stations provided with radio interfaces and each linked to one of the radio network controllers, the method comprising the steps of: establishing at least one first communication path between the core network and the terminal, passing through one of the base stations and through the first controller constituting a master controller for said first path; transmitting information pertaining to the logical channel along the first communication path; establishing at least one second communication path between the core network and the terminal, passing through one of the base stations and through the second controller constituting a master controller for said second path; and transmitting information pertaining to the logical channel along the second communication path,