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1 ECE 191 Group 4 Autonomous Wi-Fi Sniffer RC Truck GIZMO Sponsor CAL-IT 2 Mentors Javier Rodriguez Molina Don Kimball Group Members Dan Curcio Anson Hsu.

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Presentation on theme: "1 ECE 191 Group 4 Autonomous Wi-Fi Sniffer RC Truck GIZMO Sponsor CAL-IT 2 Mentors Javier Rodriguez Molina Don Kimball Group Members Dan Curcio Anson Hsu."— Presentation transcript:

1 1 ECE 191 Group 4 Autonomous Wi-Fi Sniffer RC Truck GIZMO Sponsor CAL-IT 2 Mentors Javier Rodriguez Molina Don Kimball Group Members Dan Curcio Anson Hsu

2 2 Agenda Current progress (Gantt chart) Completed Tasks – Week 8 Technical Content Wireless network scanning resolution Overcome GPS driver problems Demo GPS program operation Goals for next week

3 3 Gantt Chart

4 4 Tasks Completed Met with Brian Braunstein for assistance in GPS driver troubleshooting (Both) Research b technical specifications (Anson) Started on web interface (Both) – PHP tutorial – Matlab testbed Implemented larger CF card for data storage (Dan) GPS and Kismet loaded on Soekris (Both)

5 5 IEEE sampling frequency b/g run on 2.4GHz Nyquists Theorem – sample at twice the frequency (4.8Ghz) Wavelength (sampled) = 6.25cm! Image courtesy of plato.asu.edu

6 6 Tradeoff: Full signal acquisition vs. Acquisition time An full survey of a 20m by 20m area at 1 sample/second would take ~4 months. Possible solution: Interpolation – Take samples at a more realistic interval – Access pts – typical range of 45m indoors – Assume the signal doesnt change drastically between samples

7 7 CF Card Storage Constraints The Soekris board was using a 512MB CF card for OS and data storage With only ~30MB free, a working implementation would require ample space for log files Migration to a 1GB CF card will allow much needed space for storing data

8 8 Goals for Next Week Configure Kismet Combine data log files Complete web interface Perform field testing Prepare for final presentation/paper


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