System and method for identifying user equipment

A system for identifying a user equipment (UE), comprising:

• a base station configured to generate a radio access network UE identifier (RAN UE ID) of the UE, and
• a radio access network intelligent controller (RIC) connected to the base station;
• wherein when the UE submits a registration request to an enrichment information provider, the base station receives a packet of the UE, obtains an IP address corresponding to the UE based on the packet, and transmits the packet to a core network;
• wherein the base station transmits the IP address and the RAN UE ID corresponding to the UE to the RIC;
• wherein the RIC establishes a mapping association associated with the IP address of the UE and the RAN UE ID in a mapping table;
• wherein the core network transmits the packet to the enrichment information provider, and the enrichment information provider obtains the IP address corresponding to the UE according to the packet, and accepts the registration request of the UE with the IP address.