Entities and methods for enabling dual radio registration for single user equipment subscription in mobile networks

A second control plane entity for a mobile network, wherein the second control plane entity is implemented by a processor and is configured to:

• obtain at least one of a dual radio registration indication or a configuration related to a dual radio capability of a user equipment (UE), wherein the at least one of the dual radio registration indication or the configuration is indicative of at least one of a request for using dual radio capability or support for dual radio capability associated with the UE, the dual radio capability of the UE indicates that the UE has a subscription for the mobile network capable of being associated with a first and a second access node of the same radio access technology (RAT) type, the first access node is related to the mobile network, and the second access node is related to another mobile network;
• generate first Registration Information based on the obtained at least one of the dual radio registration indication or the configuration;
• and
• provide the first Registration Information to a first control plane entity of the mobile network, wherein the first Registration Information is related to the dual radio capability of the UE.