US Patent No. 10,602,561


Patent No. 10,602,561
Issue Date March 24, 2020
Title Support Capability In Communications Networks For Cs/ps Coordination
Assignee Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)

Claim of US Patent No. 10,602,561

1. A method for providing support capability of a core network, CN, node, the method being performed by the CN node, the method comprising:setting up a connection to a radio access network, RAN, node at initialization of the CN node or at initialization of the RAN node;
providing, in direct response to setting up the connection, an indication regarding whether the CN node supports at least one of operator coordinated area, OCA, and query to the RAN node, according to which indication the CN node provides information to be used by the RAN node for selecting a serving operator such that the same operator is selected for the wireless device in both Circuit Switched, CS, domain and in Packet Switch, PS, domain,
wherein the RAN node applies the OCA or the query to the RAN node functionality only when the CN node and a second CN node support the functionality.