Heather (Haitao) Zheng

Associate Professor

Harold Frank Hall, 1121

Dept. Computer Science

University of California

Santa Barbara, California 93106-5110

Tel: +1805-616-2890

Fax: +1805-893-8553

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Computer Science University of california, Santa barbara

Heather Zheng

I am an associate professor at Department of Computer Science. I received my PhD in Electrical and Computer Engineering from University of Maryland, College Park in 1999. I joined UCSB after spending 6 years in industry labs (Bell-Labs, NJ and Microsoft Research Asia). At UCSB, I lead the LINK Lab, part of the Next Generation Networking Group.
I was one of the MIT Technology Reivew's TR 35 (2005) for my work on Cognitive Radios; my work was featured by MIT Technology Review as one of the 10 Emerging Technologies (2006); I am a fellow of the World Technology Network. More details can be found from my Curriculum Vitae.

I am looking for 1-2 talented and self-motivated graduate students on wireless networking or social networks. Prospective students should first read the Admission FAQ page, and then email me your resume, 1--2 representative publications (if any) with a subject line "UCSB Applicant.''

My Research

My general research area includes wireless networking and systems, mobile computing and multimedia computing. I am also interested in security, distributed systems and social networks. My current research is on cognitive radios & networking, dynamic spectrum sharing and auctions, with a particular focus on improving network reliability and robustness. Detailed information can be found from the Research Overview as well as the List of Publications. Please also check out LINK Lab's webpage for most recent project/publication information.

I recently started to work on models of social networks, collaborating with Prof. Ben Y. Zhao's group, and our first result appeared in WWW 2010.

Recent Publications:
 
- Social Networks
        - Measurement-calibrated Graph Models for Social Network Experiments, WWW 2010 [PDF]
        - Orion: Shortest Path Estimation for Large Social Graphs, WOSN 2010 [PDF]
- Spectrum Usability Study
       - On the Feasibility of Effective Opportunistic Spectrum Access, IMC 2010, [PDF]
- Dynamic Spectrum Sharing (and USRP based Frequency-Agile Radio Testbed)
       - The Spaces Between Us: Setting and Maintaining Boundaries in Wireless Spectrum Access, MobiCom'10 [PDF]
        - Supporting Demanding Wireless Applications with Frequency-agile Radios, NSDI 2010 [PDF]
        - DEMO - Jello: Dynamic Spectrum Sharing in Digital Homes, Infocom 2010 [PDF][Photo]
        - The Impact of Frequency-Agility on Dynamic Spectrum Sharing, DySPAN 2010 [PDF]
- Dynamic Spectrum Auctions
        - To Preempt or Not: Tackling Bid and Time-based Cheating in Online Spectrum Auctions, Infocom2011
        - Breaking Bidder Collusion in Large-Scale Spectrum Auctions, Mobihoc 2010 [PDF]
        - TRUST: A General Framework for Truthful Double Spectrum Auctions, Infocom 2009  [ PDF ]
        - eBay In the Sky: Strategy-Proof Wireless Spectrum Auctions, MobiCom 2008 [ PDF ]  Finalist for Best Paper
        - A General Framework for Wireless Spectrum Auctions, DySPAN 2007 [ PDF ] Best Student Paper
- SINR-based Dynamic Spectrum Access
        - Optimus: SINR-driven Spectrum Distribution via Constraint Transformation, DySPAN 2010 [PDF]
        - Physical Interference Driven Dynamic Spectrum Management, DySPAN 2008 [ PDF ]
 
Past Research:
My research spreads across multiple layers. At Microsoft Research Asia, I initiated and led the Nautilus project on Open Spectrum Systems; At Wireless Research Lab, Bell-Labs, I worked on Radio Resource Allocation for Broadband Wireless Networks including MIMO/BLAST, Network Scheduling and TCP, and Base Station Router. My Ph.D. thesis research at Univ. of Maryland, College Park was on multimedia communications, a cross layer design framework to provide resource-efficient multimedia delivery over noisy networks. Here are the links to some of my collection of past projects.

Teaching

Fall 2010: CS290F - Smartphone-centric Wireless Systems
Spring 2010: CS182/ECE160 - Multimedia Computing: a undergradate course on multimedia computing and networking.

Professional Activities

TPC co-Chair: DySPAN 2011
Workshop co-Chair:  SDR'09
Recent TPC Activities: Sigcomm'11, Infocom'11, MobiCom'10, MobiHoc'10, WoWMoM'10, DySPAN'10, Infocom'10, SECON'10, MobiCom'09, Infocom'09, SECON'09
Journals: Trans. on Mobile Computing (Assoc. Editor, 2008-present), Trans. on Wireless Communication (Editor, 2008-09), Physical Communication (Editorial Board & Guest Editor)