To support the Multi-Vendor connectivity, 3GPP studied the “CU-DU Split” Function, So What is CU and DU? Centralized RAN architectures have a baseband unit (BBU) that handles all baseband processing and is connected to the mobile core over a backhaul network, and to multiple remote radio heads (RRH) through CPRI (Common Public Radio Interface) links. In … Continue reading What is CU-DU Function Split?