Simulation scenario
Disaster intensity
Clear
Heavy rain + flood
Rain attenuation:
0 dB
Ground reflection:
Minimal
Network performance
Success delivery rate
100%
Active nodes
88/88
Average SNR
+25 dB
Alternative paths
0
Node types
Type A: ESP32 + WiFi (0.5 km)
Type B: ESP32 + SA818 + Yagi (15 km)
Type C: ESP32 + Ext. WiFi (2 km)
Communication layers
CBC (Cell broadcast)
APRS 144.390 MHz
WiFi/BLE mesh
Bottleneck (RF loss)