Topic explorer

connecting

Reviewed semantic catalogue · 2026-09-30. Records with reviewed release bounds are evaluated against Rel-7; unbounded records remain curated orientation metadata rather than guessed release claims. Coverage ↗

Topic Explorer

Navigate concepts that cut across series and WGs

Atlas taxonomy

5GS QoS

available from Rel-15 · not in Rel-7

5GS QoS flows, policy, session management and radio-resource realization.

QoS flowPolicySessionNASNGAPRRC

Open feature lineage →

Topic stack

5GS QoS

QoS flow

Policy

Session

NAS

NGAP

RRC

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 ↗