CU
The gNB can be divided into two physical entities: CU (Centralized Unit) and DU (Distributed Unit). The CU supports the protocol stack’s higher layers, such as SDAP, PDCP, and RRC.
CU
The gNB can be divided into two physical entities: CU (Centralized Unit) and DU (Distributed Unit). The CU supports the protocol stack’s higher layers, such as SDAP, PDCP, and RRC.