1. Campnav Dr. Gunho Sohn (Supervisor) Alec Mantha Maninder Gill
Patrick Eagan
Phillip Robbins
Campnav

2. Motivation Indoor Navigation System Campus Touring Evacuation Routes
GPS unable to reach indoors
Wi-Fi is a good alternative
Campus Touring
Evacuation Routes

3. Background Wi-Fi signal strength 𝐿 𝑝 =10 log⁡( 𝑃 1𝑚𝑊 )
Measured from multiple access points
𝐿 𝑝 =10 log⁡( 𝑃 1𝑚𝑊 )

4. Methodology GIS Database Location Analysis AutoCad file manipulation
Wi-Fi fingerprint map creation
Location Analysis
Deterministic approach for rough position
Probabilistic approach for clarity
Le Dortz, et al.

5. Methodology Android Application Point to point direction
Alternate route sourcing
Map display
Scalable Map
Meridian App

6. Progress Map Information Obtained Application AutoCad Files
Wi-Fi access point location
Application
Mobile language chosen
Basic structure of application developed

7. Discussion from last Presentation
Fingerprint?
Unique signal strength from multiple AP for each position in Vari Hall
Create map of signals
Compare user signal to map of signals
Chan et al.

8. Discussion for this week
Grid Density?
How close is too close?
King et al.

9. Conclusion Steps Completed:
We now have the floor plans as well as the list of routers in Vari Hall
We have a list of the POI’s
Next Steps:
We need to create a WiFi logging application
We need to start coding

10. Time Management Coding Survey Software WiFi Survey Data Processing
GIS Mapping
Coding App
Final Presentation/ Report
3 weeks
4 weeks
2 weeks
6 weeks

11. Acknowledgements
We would like to thank our mentors, supervisors and stakeholders.
We would like to thank the York University Planning Department for giving us the floor plans.
We would like to thank the Counselling & Disability Service for giving us a list of POI’s.