Fig, O-RAN architecture and specifications

[Reference] https://www.o-ran.org/

[Reference] https://www.youtube.com/watch?v=B9fd4GdiLwI

[用語集] [Glossary]
CU-CU: Central Unit – Control Plane
CU-UP: Central Unit – User Plane
O-Cloud: Orchestrator and Cloud Platform
O-DU: ORAN – Distributed Unit
O-RU: ORAN – Radio Unit
MAC: Media Access Control
PHY: Physical Layer
RLC: Radio Link Control
RRC: Radio Resource Control
SDAP: Service Data Adaptation Protocol
UP: User Data Plane
CP: Control Plane
M-Plane: Management Plane
SMO: Service Management and Orchestration