1. LAWS : Location Accuracy based on Wireless Signals
Sri Naga Jahnavi Yeddanapudy
4/3/2019

2. Outline Introduction Problem Statement Background Related Work
Evaluation
Conclusion
Time Line
LAWS: Location Accuracy Based on Wireless Signals
4/3/2019

3. introduction Need For Location Accuracy Applications
4/3/2019
LAWS: Location Accuracy based on Wireless Signals

4. Problem Statement
Determine Location accuracy based on Wi- Fi and GPS signals.
LAWS: Location Accuracy based on Wireless Signals
4/3/2019

5. Background Wireless access point (AP) BSSID Signal to noise ratio
GPS information – Latitude , Longitude, Altitude.
Shielding effect
LAWS: Location Accuracy based on Wireless Signals
4/3/2019

6. Related Work
Analyze spoofing attacks on single and multiple receivers in civilian and military GPS systems.
Development of a Portable GPS Civilian Spoofer
Android Application to alert driver in school zone if over speeding.
IT Forensic analysis based on IP Geo location information.
LAWS: Location Accuracy based on Wireless Signals
4/3/2019

7. Evaluation Accuracy Time Performance
LAWS: Location Accuracy based on Wireless Signals
4/3/2019

8. Conclusion
Android Application for Location accuracy based on Wi-Fi and GPS signals.
A Project report documenting the software prototype LAWS.
LAWS: Location Accuracy based on Wireless Signals
4/3/2019

9. Time Line LAWS: Location Accuracy based on Wireless Signals Task
Task Description
Length
Status 1
Literature Survey
6 weeks
Completed 2
Develop Android Application for collecting
Wi-Fi signal Information
2 weeks
Yet to be done 3
Develop Android Application for collecting GPS Signal information 4
Algorithm to calculate location based on Wi-Fi signal strength
4 weeks 5
Evaluate location accuracy 6
Write Project Report
1 week
LAWS: Location Accuracy based on Wireless Signals
4/3/2019

10. References LAWS: Location Accuracy based on Wireless Signals 4/3/2019
Nils Ole Tippenhauer, Christina Popper, Kasper B. Rasmussen, Srdjan Capkun, “On the Requirements for Successful GPS Spoofing Attacks”, CCS '11 Proceedings of the 18th ACM conference on Computer and communications security, Pages 75-86, October
Todd E. Humphreys, Brent M. Ledvina, Mark L. Psiaki, Brady W. O'Hanlon, and Paul M. Kintner, Jr., “Assessing the Spoofing Threat: Development of a Portable GPS Civilian Spoofer”, ION GNSS Conference Savanna, GA, September 16–19, 2008.
John Whipple, William Arensman, Marian Starr Boler, “A Public Safety Application of GPS-Enabled Smartphones and the Android Operating System”, Proceedings of the 2009 IEEE International Conference on Systems, Man, and Cybernetics, Pages , October
Robert Koch, Mario Golling, Lars Stiemert, and Gabi Dreo Rodosek, “Using Geolocation for the Strategic Preincident Preparation of an IT Forensics Analysis”, Systems Journal, IEEE, Pages 1-12, February
LAWS: Location Accuracy based on Wireless Signals
4/3/2019

11. Q & A
LAWS: Location Accuracy based on Wireless Signals
4/3/2019