5G C-RAN(Centralized RAN), Split Protocol & Architecture and Inactivity Monitoring

5G C-RAN (Cloud/Centralized Radio Access Network)
5G RAN (NG-RAN) Architecture
3GPP 5G Splitting Protocol Option 2
O-RAN (Open RAN) Alliance 5G Option 2 and Option 7 , 7-2
Transport/Connectivity Network: Backhaul, Midhaul and Fronthaul
User Inactivity Monitoring Procedure
RRC Inactive State
Split Protocol of gNB (5G Base Station)
PDU Session, QoS (Quality of Service) Flow, DRB, Data Radio Bearer
gNB CU: Centralized Unit
gNB DU: Distributed Unit
gNB RU: Radio Unit or gNB RRU: Remote Radio Unit
Protocol Stack: RRC, SDAP, PDCP, RLC, MAC and Physical layer
Radio and Core Network Protocols: F1AP, E1AP, NGAP, GTP-U/GTPv1-U (GPRS Tunneling Protocol)
UE (User Equipment )/ 5G Device