System entity explorer

connecting

Reviewed semantic catalogue · 2026-09-30. Records with reviewed release bounds are evaluated against Rel-20; unbounded records remain curated orientation metadata rather than guessed release claims. Coverage ↗

System Entity Explorer

Begin with a network function or node

system model

NG-RAN user plane

gNB-CU-UP

Rel-15+ · active in Rel-20

Central-unit user-plane function controlled over E1 and participating in F1-U/N3 user-plane paths.

Key specifications

Interfaces

Trust model

Every relationship has provenance

✓ official◇ parsed● curated◌ inferred

Official = 3GPP metadata. Parsed = deterministic extraction. Curated = reviewed Atlas classification. Inferred = machine suggestion requiring review.

Reviewed semantic coverage ↗