Ericsson Technical Certification Program (ETCP)

What is the functional split in Ericsson's CU/DU architecture for 5G?

CU handles higher-layer protocols (PDCP, RRC); DU handles lower-layer protocols (RLC, MAC, PHY) CU manages physical antenna beamforming; DU handles IP routing CU provides power to the RU; DU manages transport backhaul CU is the outdoor unit; DU is the indoor baseband unit

Correct Answer:

CU handles higher-layer protocols (PDCP, RRC); DU handles lower-layer protocols (RLC, MAC, PHY)

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