UNIVERSITY of NOTRE DAME COLLEGE of ENGINEERING Lessons Learned from the NetSense Smartphone Study Aaron Striegel 1 , Shu Liu 1 , Lei Meng 1 , Christian Poellabauer 1 , David Hachen 2 , Omar Lizardo 2 1 Department of Computer Science and Engineering 2 Department of Sociology University of Notre Dame
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UNIVERSITY of NOTRE DAME COLLEGE of ENGINEERING Lessons Learned from the NetSense Smartphone Study Aaron Striegel 1, Shu Liu 1, Lei Meng 1, Christian Poellabauer.
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UNIVERSITY of NOTRE DAMECOLLEGE of ENGINEERING
Lessons Learned from theNetSense Smartphone Study
Aaron Striegel1, Shu Liu1, Lei Meng1, Christian Poellabauer1, David Hachen2, Omar Lizardo2
1Department of Computer Science and Engineering2Department of SociologyUniversity of Notre Dame
UNIVERSITY of NOTRE DAMECOLLEGE of ENGINEERING
Problem Space
Wireless Data Tsunami
Small Cells
Indoor Coverage
IoT QoE / Analytics
Segmented Industry
Standards Bound
How do we get good data at a reasonable scale?
! 5x Grad Students + 1-3 Friends
NewDevices
UNIVERSITY of NOTRE DAMECOLLEGE of ENGINEERING
Why is it Hard?
PrivacyInvasive – Phone Agent
Great Data – Social, Location
ExpensiveRaw Cost - $60+ / month
Data Scale - Granularity
UNIVERSITY of NOTRE DAMECOLLEGE of ENGINEERING
Talk Premise
Provide a retrospective of theNetSense study and futuredirections / study evolution
PhoneLab – Geoffrey ChallenSUNY Buffalo
LiveLabs – Archan MisraSingapore Management University
On-Going Efforts
UNIVERSITY of NOTRE DAMECOLLEGE of ENGINEERING
NetSense Cell Phone Study
Study how “always-on” networking (i.e. smartphones)impacts how we make / keep friends
Provide 200 smart devices to incomingfreshmen at Notre Dame (Aug 2011)
Sociological
Proximity, Facebook,Phone Calls
Technical
Impact on Usage
UNIVERSITY of NOTRE DAMECOLLEGE of ENGINEERING
Funding “No bucks, no Buck Rodgers”
NSF SoCS grant - $750k
Three years – 1 year prep + 2 years data200 users via “smart” devices
$75k fordevices
+200x Nexus S
4G200 anytime
minsUnlimited data,
text
=
UNIVERSITY of NOTRE DAMECOLLEGE of ENGINEERING
Approvals
Human Subjects Institutional Review Board (IRB)
Consent Forms Deception vs. Transparency
What is being gathered? How often?
Data Security / Access
Clear Policies – Overages, Breakages, Repairs
Collaborate / Educate Yourself Early
UNIVERSITY of NOTRE DAMECOLLEGE of ENGINEERING
NetSense Agent – Year 1
• Reflashed with Cyanogenmod• Gingerbread / ICS (2.4+)• “Full” root - monitoring• Proximity via Bluetooth• Mandated w/WiFi on
Agent application Local SQLite database Threads for “instruments” Periodically phones home