1. BLE-based Indoor Localization
Anton Shakhov, Fabrizio Ferrai, Javier Benitez,
Jiang Dong, Nico Liljestrand
Aalto University
Tutor: Jukka Ahola (Helvar)

2. Framework Introduction System design UI design Challenges Practices
Live demo

3. Introduction Indoor Localization System is needed
Poximity based advertisement
User behavior analysis
Challenge: deployment cost
Fingerprints map
Hardware
Solution: Helvar BLE devices

4. System design BLE3(x3, y3) BLE2(x2, y2) BLE1(x1, y1)
New BLE signal strength readings:
[BLE MAC 1, signal1;
BLE MAC 2, signal 2; …]
Distance calculation
User position estimation
System design
BLE2(x2, y2)
BLE1(x1, y1)
BLE3(x3, y3)

5. UI design Using simple non-sophisticated controls
Modern Android elements design
Focus on functionality

6. UI design
Bluetooth dialog
Main screen
Coordinates dialog box

7. UI design Map as canvas Simple representation of objects on the map:
Luminair (blue)
Phone location (red)
Updated whenever new data is pushed

8. Challenges
Reliable measurements
Extensive testing
Formula design

9. Practices Meeting Sharing information Communication
Tracking the project status

10. Fabrizio with the phone
Live Demo
Nico
Fabrizio with the phone
Jiang
Anton
The stage
Javier with the laptop