{
  "csi": {
    "device": {
      "type": "intel_5300",
      "interface": "wlan0",
      "monitor_mode": true,
      "channel": 6,
      "bandwidth": 20
    },
    "capture": {
      "enabled": true,
      "sampling_rate_hz": 1000,
      "packet_filter": "broadcast",
      "max_packets_per_second": 10000,
      "buffer_size": 10000,
      "timeout_ms": 1000
    },
    "processing": {
      "enable_preprocessing": true,
      "filter_type": "butterworth",
      "low_cutoff": 0.1,
      "high_cutoff": 0.9,
      "filter_order": 4,
      "phase_unwrapping": true,
      "calibration": {
        "enabled": true,
        "reference_file": "calibration/csi_reference.json",
        "noise_floor_threshold": -60
      }
    },
    "localization": {
      "enabled": true,
      "method": "aoa",
      "antenna_config": {
        "num_antennas": 3,
        "antenna_spacing": 0.05,
        "frequency": 2.4e9
      },
      "aoa": {
        "algorithm": "music",
        "snapshots": 100,
        "angle_resolution": 1.0,
        "min_snr": 10.0
      },
      "ranging": {
        "algorithm": "tof",
        "max_range": 50.0,
        "range_resolution": 0.1
      }
    },
    "output": {
      "save_raw": false,
      "save_processed": true,
      "output_dir": "data/csi",
      "format": "npz",
      "compression": true
    }
  },
  "nexmon": {
    "enabled": false,
    "device": {
      "type": "broadcom",
      "interface": "wlan0",
      "firmware": "nexmon"
    },
    "capture": {
      "sampling_rate_hz": 2000,
      "packet_types": ["beacon", "probe_response"],
      "max_packets_per_second": 20000
    }
  },
  "calibration": {
    "environment": {
      "room_dimensions": [10.0, 8.0, 3.0],
      "reference_points": [
        {"x": 0.0, "y": 0.0, "z": 1.0},
        {"x": 5.0, "y": 0.0, "z": 1.0},
        {"x": 0.0, "y": 4.0, "z": 1.0},
        {"x": 5.0, "y": 4.0, "z": 1.0}
      ]
    },
    "antenna_positions": [
      {"id": 0, "x": 0.0, "y": 0.0, "z": 2.5},
      {"id": 1, "x": 0.05, "y": 0.0, "z": 2.5},
      {"id": 2, "x": 0.1, "y": 0.0, "z": 2.5}
    ]
  }
}