Tan Zhang (张檀)

Department of Computer Sciences

University of Wisconsin-Madison

Email: tzhang {at} cs.wisc.edu


About Me

I am a sixth year Ph.D student from the Department of Computer Sciences at University of Wisconsin-Madison. I have been working in the Wisconsin Wireless and NetworkinG Systems (WiNGS) Lab under the guidance of Prof. Suman Banerjee. I received a B.S. degree in Beijing Institute of Technology. My thesis work focuses on designing dynamic spectrum access networks to provide robust wireless connectivity in high mobility scenarios. I have designed a vehicular testbed that uses the TV whitespaces spectrum to provide Internet access on metro buses at Madison, WI. I have also deployed a large-scale measurement framework that uses public vehicles to carry spectrum sensors for enhancing whitespace spectrum utilization. My research work has been recently supported by a Google PhD Fellowship in Mobile Systems (2015 - 2017).

In my spare time, I enjoy many outdoor activities such as skiing, hiking, biking, kayaking, and scuba diving.


Conference proceeding

A Wireless Spectrum Analyzer in Your Pocket
Tan Zhang, Ashish Patro, Ning Leng, Suman Banerjee
ACM HotMobile 2015
WiSense Android App is available here (featured as a geek tool for power users in Google Play)
Patches to enable spectral scan in Ath9k driver is available here
A Vehicle-based Measurement Framework for Enhancing Whitespace Spectrum Databases
Tan Zhang, Ning Leng, Suman Banerjee
ACM MobiCom 2014 Awarded third place of best presentation
Web front-end to visualize data is available at here
Participated in Spectrum Observatory Project led by Microsoft to collect spectrum data over entire RF band.
Enhancing Vehicular Internet Connectivity using Whitespaces, Heterogeneity, and a Scouting Radio
Tan Zhang, Sayandeep Sen, Suman Banerjee
ACM MobiSys 2014
Inaccurate Spectrum Databases? Public Transit to its Rescue!
Tan Zhang, Suman Banerjee
ACM HotNets 2013
Scout: An Asymmetric Vehicular Network Design over TV Whitespaces
Tan Zhang, Sayandeep Sen, Suman Banerjee
ACM HotMobile 2013
[pdf] A Dual Technology Femto Cell Architecture for Robust Communication using Whitespaces
Sayandeep Sen, Tan Zhang, Milind Buddhikot, Suman Banerjee, Dragan Samardzija, Susan Walker
IEEE DySPAN, 2012 Awarded best paper


[pdf] Design and Implementation of an ``Approximate'' Communication System for Wireless Media Applications
Sayandeep Sen, Tan Zhang, Syed Gilani, Shreesha Srinath, Steve Schmitt, Suman Banerjee, Sateesh Addepalli
IEEE/ACM Transactions on Networking

Poster and Demo

V-Scope: An Opportunistic Wardriving Approach to Augmenting TV Whitespace Databases (poster)
Tan Zhang, Suman Banerjee
ACM MobiCom 2013 First place in ACM student research competition
Video Streaming using Whitespace Spectrum for Vehicular Applications (video demo)
Tan Zhang, Sayandeep Sen, Suman Banerjee
ACM MobiSys 2013


[pdf] Method and Apparatus for Wireless Communication using A Short-range Base Station with Multiple Radio Interfaces
of Different Technologies

Milind M Buddhikot, Sayandeep Sen, Dragan Samardzija, Tan Zhang, Susan Walker
US Patent Publication No: US20140105134 A1

Technical Report

[pdf] Sip: Speculative Insertion Policy for High Performance Caching
Hongil Yoon, Tan Zhang, Mikko H Lipasti
TR-1676, UW Computer Science Department, 2010


Fall 2014: University College London, UK
Worked with Prof.Kyle Jamieson on deploying an indoor wireless video surveillance system over the unlicensed ISM band.
Summer 2014: Microsoft Research, Redmond, USA
Worked with Victor Bahl and Aakanksha Chowdhery on building a real-time vision analytic system over TV whitespaces networks.
Summer 2012: Bell Labs, Alcatel-Lucent, NJ, USA
Worked with Milind M. Buddhikot on deploying long-distance wireless backhauling networks over TV whitespaces.
Summer 2011: Bell Labs, Alcatel-Lucent, NJ, USA
Worked with Milind M. Buddhikot on developing whitespace radio prototypes and indoor whitespace femtocells for offloading cellular traffic.
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