wifi-signal-prediction/docs/slides/01_system_architecture.md

WiFi Signal Prediction System Architecture

System Components

1. Data Collection Module

• WiFi Data Collector: Simulates signal strength measurements
• Material Physics Engine: Models signal attenuation through different materials
• Sampling Grid: High-resolution 200x120 point sampling

2. Physics Simulation

• Material Properties:
  • Concrete, Glass, Wood, Drywall
  • Each with specific permittivity and conductivity values
  • Thickness-based attenuation modeling

3. Visualization System

• Building Layout Engine

  • Material Grid System (0.1m resolution)
  • Complex Office Layout Support
  • Multi-layer Material Handling

• Signal Visualization

  • Heatmap Generation
  • Gaussian Interpolation
  • Material Overlay System
  • Access Point Markers

4. Data Flow

1. Building Layout Definition → Material Grid
2. AP Placement → Signal Source Points
3. Physics-based Signal Propagation
4. Data Collection & Processing
5. Visualization Generation