PhD Oral Proposal: Wei Dong, October 23, 10:30 am CST, ACES 6.336

Contact Name: 
Lydia Griffith
Oct 23, 2012 10:30am - 11:30am

PhD Oral Proposal: Wei Dong

Date: October 23, 2012
Time: 10:30 am CST
Place: ACES 6.336
Research supervisor: Yin Zhang

Title: Collaborative Mobile Services

Mobile devices like smartphones and tablets are being adopted with
unprecedented speed. The growth in demand and system complexity
increasingly require collaboration of multiple parties in order to
achieve better functionality, efficiency, performance, etc. This poses
unique challenges such as information sharing among different parties,
utility sharing among different parties, and dishonest and collusive

Different mobile services may require different types of collaboration
and involve different entities in the system. In this work we take a
bottom-up approach by first looking at collaboration at the end user
level, then the cross level collaboration and finally at the service
provider level. Specifically, we first consider a completely
distributed service: friend discovery in mobile social networks, where
users of a mobile social network work together with each other to
discover potential new friends nearby by computing their social
proximity. We develop mathematically sound yet highly efficient
approaches that simultaneously achieve privacy and verifiability. We
then focus on cellular offloading where a cellular service provider
seeks third party resource to offload cellular demand, as an example
of cross level collaboration. We propose a reverse auction framework:
iDEAL, which efficiently allocates cellular resource and third party
resource in a joint optimization, effectively incentivize third party
resource owners and mitigates dishonest and collusive behaviors. We
validate our findings and approaches with real trace driven analysis
and simulation, as well as real implementation. Finally we discuss
about the collaboration at the service provider level as future work.