Review
Open access
2026
E2 Service Models in O-RAN: A Specification-Grounded Tutorial and Implementation Analysis
The E2 interface and its associated E2 Service Models (E2SMs) are the primary mechanisms through which the Near-Real-Time RAN Intelligent Controller (Near-RT RIC) observes and controls Radio Access Network (RAN) behavior in O-RAN. Despite their central role in enabling xApp-driven closed-loop optimization, the structur...
Pratheek S. Upadhyaya, Connor McPeak, Nishith D. Tripathi et al.
· IEEE Access · 0 citations