SA1
Working groups
connectingWorking Group Lens
What does each group own?
SA2
System architecture
8indexed specsSA3
Security
3indexed specsSA4
Media/codecs
1indexed specsSA5
Management, orchestration & charging
3indexed specsCT1
UE–CN protocols
3indexed specsCT3
Interworking/policy Stage 3
3indexed specsCT4
Core network protocols/APIs
8indexed specsCT6
UICC
1indexed specsRAN1
Physical layer
2indexed specsRAN2
Radio protocols & architecture
9indexed specsRAN3
RAN architecture & interfaces
6indexed specsRAN4
RF
1indexed specsRAN5
Conformance testing
2indexed specsTrust 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 ↗