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ITU-R P.833-9 vegetation-attenuation model + ESP32-S3 link-budget solver produce bounded sensing range estimates per frequency and foliage density. Plus a biomechanics-grounded gait-frequency taxonomy spanning bears (0.5 Hz) to mice (15 Hz). Headline ranges (121 dB link budget, 10 dB SNR margin): freq sparse moderate dense 2.4 GHz 99.6 m 12.0 m 4.1 m 5 GHz 19.9 m 5.2 m 2.1 m The 2.4 GHz / sparse cell (~100 m) is the practical sweet spot — 10x camera-trap coverage, always-on rather than PIR-triggered. Honest scope called out explicitly: this is feasibility math, not field measurements. Animal cooperation, foliage flutter, regulatory limits, and BSSID-fingerprint degradation in remote forest are all real follow-up problems. Vertical applications (10-20 year horizon) catalogued: - Endangered-species population census - Wildlife corridor verification - Invasive-species early warning - Anti-poaching (human gait well-separated from wildlife) - Livestock-on-rangeland tracking - Agricultural pest control Cross-connects to: - R5 (saliency is task-specific — per-species classifier needs own saliency map, same lesson as R12) - R8 (wildlife sensing wants CSI not RSSI for per-subcarrier shape) - R9 (fingerprint K-NN primitive transfers to per-individual ID) - R7 (multi-link consistency for corridor coverage) Pure-NumPy, no framework deps. ITU model + binary search solver. Coordination: tick avoided PROGRESS.md to prevent races (horizon- tracker M3+ track concurrent at the time). Files: * examples/research-sota/r10_foliage_attenuation.py * examples/research-sota/r10_foliage_results.json * docs/research/sota-2026-05-22/R10-through-foliage-wildlife.md * docs/research/sota-2026-05-22/ticks/tick-6.md
1.9 KiB
1.9 KiB
Tick 6 — 2026-05-22 03:55 UTC
Thread: R10 (through-foliage wildlife sensing) Verdict: Physics feasibility + per-species gait taxonomy + bounded range estimates.
What shipped
examples/research-sota/r10_foliage_attenuation.py— ITU-R P.833-9 vegetation attenuation model + ESP32-S3 link-budget solver + per-species gait band table.examples/research-sota/r10_foliage_results.json— full machine-readable numbers.docs/research/sota-2026-05-22/R10-through-foliage-wildlife.md— research note with range table, gait taxonomy, vertical applications, honest scope.
Headline numbers (this tick)
Max ESP32-S3 sensing range through foliage (121 dB link budget, 10 dB SNR margin):
| Frequency | Sparse | Moderate | Dense |
|---|---|---|---|
| 2.4 GHz | 99.6 m | 12.0 m | 4.1 m |
| 5 GHz | 19.9 m | 5.2 m | 2.1 m |
The 2.4 GHz / sparse cell (~100 m) is the practical sweet spot — 10× the spatial coverage of a camera trap in matched conditions, always-on rather than PIR-triggered.
Per-species gait taxonomy (DSP-actionable):
- 0.5–1.5 Hz: bear, sloth, wild boar
- 1.2–2.5 Hz: human walking
- 1.5–3.5 Hz: elk, raccoon, wolf
- 1.8–4.5 Hz: deer, fox
- 4.0–15.0 Hz: squirrel, mouse, songbird
10-20 year verticals catalogued
- Endangered-species population census (replaces camera traps)
- Wildlife corridor verification
- Invasive-species early warning
- Poaching detection (human gait band well-separated from wildlife)
- Livestock-on-rangeland tracking
- Agricultural pest control
Coordination
Tick-6 used the same ticks/tick-N.md convention to avoid PROGRESS.md races.
Major out-of-tick news (horizon-tracker just completed)
Horizon-tracker agent a62cf580… reported full M1–M7 completion: 6 MCP tools, 6 CLI subcommands, ADR-104, 16 passing tests. Final summary in HORIZON.md. The MCP/CLI track is structurally complete; npm publish handoff is documented for the user.