Data dictionary — requested fields vs. existing data
Stage 1 deliverable. For every field the proposal asks for, this table says whether it is
available in the existing raw archive (data/raw/raw.7z), derivable from it with the parsers in
pipeline/parsers/, or needs new collection on POWDER. "Where" names the raw file and the parser
output field. Provenance follows the project rule: measured = as captured, derived = computed
from measured data, simulated = not from real radios.
Status legend: A available (measured, populated) · D derivable (computed by a parser/summary) · P partially available (field exists but is unpopulated or unreliable — see note) · N needs new collection.
Verified against the captures on 2026-09-30 (tshark 4.6.4, srsRAN_4G fork commits ed736f7 and dd62a9b).
Population statistics come from inventory/catalog/catalog.json (extra.mr_nonzero_fraction) and
inventory/summaries/.
1. Event data (Elasticsearch records)
| Requested field | Status | Where (raw → processed) | Notes |
|---|---|---|---|
| Event timestamp (UTC) | A | pcap frame time → ts, ts_epoch_ns in *.s1ap_events, *.nas_events, *.rrc_events; srsRAN log stamp → *.log_events |
pcap and srsRAN log clocks are UTC and agree. Measurement-report and detector timestamps are on other, unaligned clocks (ts_received_raw, ts_local_raw, clock field). |
| Pseudonymous UE identifier | D | IMSI in Attach request / Identity response → ue_id (HMAC-SHA256, salt outside repo); M-TMSI → tmsi_id |
Raw IMSI never written; validation checks for 15-digit leaks. RNTI (rnti) is kept as-is (temporary). |
| Cell identifier | A | SIB1 in UE/eNB MAC pcaps → enb_id, cell_id_in_enb, cell_identity_hex, tac (rrc_events); S1SetupRequest → enb_id (s1ap_events); PCI in measurement reports → serving_pci, neighbors[].pci |
ECGI is not present in InitialUEMessage of these srsRAN captures (s1ap.cell_ID empty). |
| Procedure type | A | procedure, message, pdu_type (s1ap_events); message (nas_events, rrc_events) |
All S1AP class-1/2 procedures named from TS 36.413 tables. |
| Outcome | A/D | outcome = request / indication / success / failure (s1ap, nas) |
From PDU choice and NAS message type. |
| Failure cause | A | cause_group, cause, cause_code (S1AP Cause IE); emm_cause, emm_cause_text, esm_cause (NAS); cause in log_events procedure_failure records |
Includes unknown-targetID handover-preparation failures (all two-ue and most single-ue runs). |
| Authentication events | A | NAS Authentication request/response/failure/reject, Security mode command/complete in s1ap_events and nas_events | Cellular (EPS-AKA) only. |
| Mobility events | A | HandoverRequired / HandoverPreparationFailure / HandoverCommand (s1ap_events); RRC MeasurementReport, RRCConnectionReconfiguration with handover_command: true, RRCConnectionReestablishmentRequest (rrc_events) |
Benign runs contain completed S1 handovers between the two eNBs (HandoverRequired → HandoverCommand); fake runs contain HandoverPreparationFailure unknown-targetID towards the fake cell. The Polaris MME captures add X2 PathSwitchRequest. |
| Attach / service request / detach | A | NAS EMM messages (nas_emm_message), Service reject with Implicitly detached in fake runs |
|
| Benign vs. malicious behaviour label (run level) | A | Directory name → scenario_label (benign / fake) on every record; inventory/run_records/*.yaml scenario.timeline |
The activation instant of the fake eNB is not recorded. |
| Malicious-event label (frame level) | A (single-ue fake only) | single-ue/fake/labels/labels.txt → frame_label = fbs-attributed on cn_real.s1ap_events records |
Frame ranges of the EPC S1AP capture attributed to the fake BS (handover attempts towards it). Not available for two-ue runs. |
| Detector alerts | A (separate) | detector_outputs/**/*.csv → detector.*.ndjson, provenance: derived, record_type: detector_output, final_verdict_label |
Kept in their own index; never merged into the ground-truth timeline. Timestamps unaligned. |
| Application activity (web, file transfer, streaming) | N (LTE archive) / partial (Stage 3) | Stage 3 runs log ping and one HTTP GET per phase through the UE tunnel | No application logs in the LTE archive; MAC byte counts per second are the closest proxy (*.mac_stats, derived). |
| Node login / service-management events | N | — | Not collected. |
| Injected fault records (restart, config error, load, backhaul delay/loss) | N (LTE archive) / A (Stage 3) | Stage 3: scenario.timeline in every run record |
LTE archive: only condition is FBS present/absent. |
| IMS events (registration, call setup/teardown) | N | — | Needs Kamailio IMS + Open5GS deployment. |
| RADIUS authentication / accounting | A (Stage 3) | FreeRADIUS 3.0.16 on the core node; core/pcap/radius.pcap → *.radius_events.* (Access-Request/Accept/Reject, Accounting Start/Interim/Stop with session id, octets, terminate cause, latency, pseudonymised user); core/logs/freeradius.log slice |
Test clients (radtest, radclient) drive accept, wrong-password reject, unknown-user reject and accounting per round (pipeline/collectors/radius_ctl.sh). Separate from the 5G NAS authentication on N2. |
2. Network-performance data
| Requested field | Status | Where | Notes |
|---|---|---|---|
| Procedure counts per run | D | inventory/summaries/procedure_counts.csv |
From s1ap_events per capture point. |
| Handover-preparation failure rate | D | inventory/summaries/handover_outcomes.csv (prep_failure_rate, causes) |
HandoverPreparationFailure ÷ HandoverRequired. |
| Procedure durations (attach, service request) | D | inventory/summaries/attach_service.csv (attach_ms_*, service_req_ms_*) |
Request/response correlated on ENB-UE-S1AP-ID within one capture. |
| Signal-quality change over time | D | measurement_reports + rrc MeasurementReport records (time series per UE) | See RF section for the underlying fields. |
| UL/DL goodput, RTT, jitter, packet loss | A (ZMQ runs) / N (LTE archive) | ZMQ runs: iperf3 JSON (ran/app/iperf_*.json), ping -D files, curl -w timings; POWDER core-sim: ping/HTTP only |
Through a simulated radio link; absolute numbers describe the host, not a radio. LTE archive has none. |
| CQI | P (LTE) | cqi in measurement_reports |
0 in >99.9 % of LTE reports. Not exported by the ZMQ setup either (srsUE CSV has no CQI column); use DL SNR/MCS instead. |
| MCS (UL/DL) | A (ZMQ runs, simulated radio) | ran.ran_metrics.ue_metrics (m_dl_mcs, m_ul_mcs), gNB scheduler metrics in ran.ran_metrics.gnb |
1-second series per run from data/raw/zmq_5g_sim. LTE archive: always 0. |
| PRB / resource utilisation | A (ZMQ runs, simulated radio) | ran.ran_metrics.gnb scheduler cell metrics: m_nof_prbs, m_pdsch_rbs_per_slot, m_pusch_rbs_per_slot, m_pdschs_per_slot, m_pucch_tot_rb_usage_avg |
ocudu [METRICS] lines. |
| HARQ / BLER | A (ZMQ runs, simulated radio) | m_dl_bler, m_ul_bler (UE CSV); m_late_dl_harqs, m_late_ul_harqs, m_max_*_harq_delay (gNB) |
Vary under the srsUE AWGN / delay / RLF emulation scenarios. |
| DL SNR, RSRP, path loss, CFO, timing advance at the UE | A (ZMQ runs, simulated radio) | m_dl_snr, m_rsrp, m_pl, m_cfo, m_ul_ta in ran.ran_metrics.ue_metrics |
Values reflect the ZMQ link and emulated channel, never air. |
| Throughput (MAC/RLC/user plane) | A/D (ZMQ runs) | iperf3 JSON in ran/app/ (goodput, jitter, loss for UDP), m_dl_brate/m_ul_brate (UE), m_total_dl_brate (gNB), gtpu_stats, mac_nr_stats |
iperf runs at a fixed target bitrate (10–20 Mbps) through the simulated link. |
| PUSCH/PUCCH SINR | A | sinr_pusch_db, sinr_pucch_db (measurement_reports) |
Populated in 100 % of reports. |
| Power headroom, timing advance | A | phr_db, ta_us (measurement_reports) |
Populated (>97 %). Timing advance is usually 0.6 µs (co-located SDRs). |
| Host metrics (CPU, memory, power) of the detector | A | inference_performance.csv → detector.inference_performance.ndjson |
Only for the detector process, not for RAN/core nodes. |
| 5G performance KPIs | N | — | No 5G data at all in the archive. |
| PIM (passive intermodulation) | N | — | Not measurable from these data; requires calibrated RF test setup. Any modelled impairment must be labelled simulated. |
3. RF and spectral data
| Requested field | Status | Where | Notes |
|---|---|---|---|
| Serving-cell RSRP / RSRQ | A | serving_rsrp_dbm, serving_rsrq_db (measurement_reports, EPC side); serving_rsrp_dbm, serving_rsrq_db from RRC MeasurementReport (rrc_events, UE/eNB side, converted from TS 36.133 ranges) |
Both sources present in every POWDER run that has UE attach. |
| Neighbour-cell RSRP / RSRQ / PCI | A | neighbors[] in measurement_reports and rrc MeasurementReport records |
Neighbour is the second eNB (PCI 2 or 1). |
| SINR | A | sinr_pusch_db, sinr_pucch_db (uplink SINR measured at the eNB) |
No downlink SINR at the UE. |
| Cell identifiers and timing | A | PCI, EARFCN, TAC, cell identity (SIB1), SFN/subframe (sfn, subframe in rrc_events), timing advance |
|
| Broadcast parameters seen by the UE (barring, q-RxLevMin, bandwidth) | A | cell_barred, q_rxlevmin (SIB1), dl_bandwidth_prb (MIB) in rrc_events |
Useful for FBS characterisation. |
| RSSI | P | pusch_rssi_dbm, pucch_rssi_dbm |
Always 0. |
| Channel estimates, frequency offset, EVM | N | — | Not in any capture; needs PHY instrumentation (srsRAN PHY logs / OAI T-tracer). |
| GPS-tagged measurements for heatmaps | N (POWDER) / A (Polaris) | POWDER runs: no location data. Polaris Nemo .nmf → gps records (lat, lon, altitude_m) 1 Hz, with CELLMEAS RSRP/RSRQ in the same file |
Nemo drive test (3 files, ~1 min each, Santa Clara CA, 14 Apr 2026). POWDER captures have no reconstructable locations → new collection with GPSD needed. |
| SDR IQ / power spectra, noise floor | N | — | No spectrum captures. |
| Antenna-port measurements (return loss, VSWR, cable loss, port power) | N | — | Requires RF instruments; not derivable from UE reports. |
4. 5G core data
| Requested field | Status | Where | Notes |
|---|---|---|---|
| S1AP (4G counterpart of NGAP) at the EPC | A | cn_real/epc*.pcap, cn_fake/epc.pcap, enb_*/*_s1ap.pcap → s1ap_events |
Full S1AP with embedded NAS, one PDU per frame, no IP/SCTP layer (srsRAN raw writer). |
| Operator-scale S1AP (MME port mirror) | A (restricted) | external/polaris/S1AP Data/*.pcap (2 × ~0.3–0.7 GB, 31 Mar 2026) → same parser (handles Ethernet/VLAN/SCTP, bundled PDUs, Diameter/SGsAP alongside) |
Third-party data with real subscriber identities; parse only with pseudonymisation on and keep raw restricted. |
| NAS at the UE | A | ue*/ue*_nas.pcap → nas_events |
|
| RRC at UE and eNB | A | *_mac.pcap → rrc_events |
|
| NGAP (gNB↔AMF), 5G NAS | A (Stage 3, simulated RAN) | data/raw/powder_5g_sim/<run>/{core,ran}/pcap/n2_ngap.pcap → *.ngap_events.* (message, procedure, outcome, cause, 5GMM/5GSM type and cause, PDU session id, pseudonymous SUPI) |
Collected on POWDER with Open5GS 2.8.0 + UERANSIM 3.3.0 (experiments/core-sim/). Core signalling is real software; the radio side is simulated, so no RF fields. |
| SBI among AMF/SMF/NRF/AUSF/UDM/UDR (+SCP, PCF, BSF) | A (Stage 3) | core/pcap/core_lo_cp.pcap (loopback, plain HTTP/2) → *.sbi_events.* (service, resource, method, status, latency, consumer/producer, SCP leg) |
Plain-text SBI in this deployment. Headers are only decodable when the HTTP/2 connection starts inside the capture, hence NFs are restarted at run start (recorded as ground truth) and undecodable_headers stubs mark any gap. |
| PFCP (SMF↔UPF) | A (Stage 3) | core/pcap/core_lo_cp.pcap → *.pfcp_events.* (message, cause, SEID, F-TEID, UE IP, latency) |
|
| GTP-U user plane (N3) | A/D (Stage 3) | {core,ran}/pcap/n3_gtpu.pcap → *.gtpu_stats.* per-second bytes/packets per TEID and direction (derived) |
Raw user-plane pcap kept separate from control plane. |
| NF application logs | A (Stage 3) | core/logs/<nf>.log slices → *.open5gs_log.<nf> (component, level, event class, pseudonymised SUPI) |
Local-time stamps converted with the recorded node offset. |
| Injected faults with ground truth | A (Stage 3) | run_record.yaml scenario.timeline (fault_start/fault_end, phase tags) from pipeline/collectors/fault_inject.sh |
NF restart, NF stop for N s, netem delay/loss on N2/N3. |
| Application workload at the UE | A (Stage 3, minimal) | ran/app/ping_*.txt, ran/app/http.txt (ping -D, curl timing through uesimtun0) |
Ping/HTTP only; goodput tests (iperf) not yet run. |
Cross-cutting fields required by the data rules
| Field | Status | Where |
|---|---|---|
| Provenance label | D | provenance on every processed record and summary row; run records list outputs with labels |
| Run identifier | D | run_id (pfl-<variant>-<scenario>-exp-NN, detector_outputs-server-data-exp-01, polaris-*) on every record; inventory/run_records/<run_id>.yaml |
| Software versions | A | srsRAN commit + branch from log start lines → run record software_versions; configs themselves are not in the archive |
| Capture points | A | directory names → capture_point; per-file sha256 in run record |
| Clock-sync information | P | pcap/log clocks consistent (UTC); MR/detector clocks unverified → clock_sync note in run record and notes in inventory/catalog/runs.csv |
| Train/test split by whole runs | A | powder_fbs_lte/single-ue/train_test_split.json → split column in runs.csv and run records (single-ue only; two-ue has no split file) |
| Dropped packets/samples | N | not recorded at capture time; validation/report.md compares parsed vs. raw counts instead |