Expert skill group covering individual protocol layer deep-dives in the OAI RAN stack: PHY (openair1), MAC, RLC/PDCP/SDAP (openair2/LAYER2), RRC (openair2/RRC), NGAP/NAS (openair3), and radio hardware (radio/). Use agents in this group when the question is clearly scoped to one protocol layer.
This skill group contains specialised agents for deep-dives into individual protocol layers within openairinterface5g.
┌─────────────────────────────────────────────────────┐
│ Application │
├─────────────────────────────────────────────────────┤
│ NAS (openair3/NAS/) [ngap-nas agent] │
│ NGAP (openair3/NGAP/) [ngap-nas agent] │
│ GTP-U (openair3/ocp-gtpu/) [ngap-nas agent] │
├─────────────────────────────────────────────────────┤
│ RRC (openair2/RRC/) [rrc agent] │
├─────────────────────────────────────────────────────┤
│ SDAP (openair2/SDAP/) [rlc-pdcp agent] │
│ PDCP (openair2/LAYER2/nr_pdcp/) [rlc-pdcp agent]│
│ RLC (openair2/LAYER2/nr_rlc/) [rlc-pdcp agent]│
├─────────────────────────────────────────────────────┤
│ MAC (openair2/LAYER2/NR_MAC_gNB/) [mac agent] │
├─────────────────────────────────────────────────────┤
│ PHY (openair1/PHY/, SCHED_NR/) [phy agent] │
├─────────────────────────────────────────────────────┤
│ Radio HAL (radio/) [radio agent] │
└─────────────────────────────────────────────────────┘
| Agent | Scope |
|---|---|
phy.agent.md | PHY layer: waveform, coding, LDPC/Polar, channel estimation |
mac.agent.md | MAC scheduler, HARQ, RACH, resource allocation |
rlc-pdcp.agent.md | RLC AM/UM, PDCP security/compression, SDAP QoS |
rrc.agent.md | RRC state machine, cell config, bearer setup, handover |
ngap-nas.agent.md | N2 (NGAP), NAS, GTPv1-U tunnelling |
radio.agent.md | USRP, RFsimulator, FHI 7.2, hardware abstraction |
For cross-layer or multi-layer questions, use the RAN Search agent (oai-ran/ran-search.agent.md).