Patent ID: 6374112
Filing Date: 2002-04-16
Classification: H04J,H04W

Abstract:
For use in a universal mobile telephone system (UMTS) providing communications with mobile radios, a radio access network (RAN) comprising:plural base stations for communicating with mobile radios over an air interface using allocated radio resources, and a radio network controller coupled to the plural base stations, and first and second service nodes that interface with first and second external networks, respectively, connected to the radio network controller over a RAN interface, where in response to a radio access bearer request from one of the first and second service nodes, the RAN is configured to provide a radio access bearer service to the one service node including: (1) establishing a logical connection between the one service node through the RAN to the mobile radio and (2) mapping the logical connection to one of plural, different types of channels, based on a UMTS traffic parameter, and where the plural, different channel types include a dedicated channel type and a common channel type, wherein the UMTS traffic parameter includes an availability of dedicated channels, and the RAN is configured to map the logical connection to a common channel when the availability of dedicated channels is low.