Managing multiple carriers of radio discovered by NGDU in O-RAN

A Next Generation Distributed Unit (NGDU) for managing radio units in an Open Radio Access Network (O-RAN), wherein the NGDU comprises:

• a radio interface module (RIM) management controller comprising a Management Plane (M-plane) model;
• a plurality of Distributed Units (DUs) connected to the RIM management controller;
• at least two processing units connected to the RIM management controller, wherein each of the at least two processing units comprises a plurality of Common Public Radio Interface (CPRI) ports;
• a plurality of Radio Units (RUs) connected to each of the at least two processing units through the plurality of CPRI ports;
• and
• wherein the RIM management controller comprises:
• a memory,
• a processor coupled to the memory, and wherein the processor is configured to:
• receive at least one DU port ID associated with the at least one RU of the plurality of RUs discovered at the NGDU,
• determine a processing unit of the at least two processing units to which the at least one RU is connected based on the received at least one DU port ID,
• map the determined processing unit to a CPRI port of the plurality of CPRI ports in a DU port registry,
• determine the CPRI port connecting the at least one RU to the NGDU based on the mapping, and
• enable communication between the at least one RU connected to the determined CPRI port and a corresponding at least one DU of the plurality of DUs over the O-RAN.