Image description：
Diagram of 5G RAN protocol stack (User-Plane, User traffic data), including each layer, real-time processing, and non-real-time processing
Explanation of baseband processing part
[Glossary]
RRC: Radio Resource Control (Layer 3)
SDAP: Service Data Application Protocol (Layer 2)
PDCP: Packet Data Convergence Control (Layer 2)
RLC: Radio Link Control (Layer 2)
MAC: Media Access Layer (Layer 2)
PHY: Physical Layer (Layer 1)
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