Publications

Teaching American Sign Language in Mixed Reality
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), Volume 4 Issue 4, 2020.
Noninvasive Glucose Monitoring Using Polarized Light
ACM Conference on Embedded Networked Sensor Systems (SenSys), 2020.
AmphiLight: Direct Air-Water Communication with Laser Light
The 17th USENIX Symposium on Networked Systems Design and Implementation (NSDI), 2020. Best Paper Award
ThreadSense: Locating Touch on an Extremely Thin Interactive Thread
ACM CHI Conference on Human Factors in Computing Systems (CHI), 2020.
PolarTag: Invisible Data with Light Polarization
The Workshop on Mobile Computing Systems and Applications (HotMobile), 2020. Best Demo Award
Reconstructing Human Joint Motion with Computational Fabrics
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies(IMWUT), Vol. 3, No. 1, 2019.
Longitudinal Analysis of a Campus Wi-Fi Network
Longitudinal Analysis of a Campus Wi-Fi Network
Computer Networks, Volume 170, April 2020, 107103.
Self-Powered Gesture Recognition with Ambient Light
ACM CHI Conference on Human Factors in Computing Systems (CHI), 2018.
Battery-Free Eye Tracker on Glasses
The ACM Symposium on User Interface Software and Technology (UIST), 2018.
Augmenting Indoor Inertial Tracking with Polarized Light
ACM International Conference on Mobile Systems, Applications, and Services (MobiSys), 2018.
Measuring Interaction Proxemics with Wearable Light Tags
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies(IMWUT), Vol. 2, No. 1, 2018.
Customizing Indoor Wireless Coverage via 3D-Fabricated Reflectors
ACM International Conference on Systems for Energy-Efficient Built Environments (BuildSys), 2017.
Ultra-Low Power Gaze Tracking for Virtual Reality
ACM Conference on Embedded Networked Sensor Systems (SenSys), 2017. Best Paper Candidate. SIGMOBILE Research Highlight
Pyro: Thumb-Tip Gesture Recognition Using Pyroelectric Infrared Sensing.
The ACM Symposium on User Interface Software and Technology (UIST), 2017.
Position: Augmenting Inertial Tracking with Light
The 4th ACM Workshop on Visible Light Communication Systems (VLCS), 2017.
Reconstructing Hand Poses Using Visible Light
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies(IMWUT), vol. 1, no. 3, 2017.
StudentLife: assessing mental health, academic performance and behavioral trends of college students using smartphones
Mobile Health, pp. 7-33. Springer, Cham, 2017
Empirical Validation of Commodity Spectrum Monitoring
ACM Conference on Embedded Networked Sensor Systems (SenSys), 2016.
The DarkLight Rises: Visible Light Communication in the Dark
ACM Conference on Mobile Computing and Networking (MobiCom), 2016. Best Video Award
Automating 3D Wireless Measurements with Drones
ACM International Workshop on Wireless Network Testbeds, Experimental evaluation & Characterization (WiNTECH), 2016.
Practical Human Sensing in the Light
ACM International Conference on Mobile Systems, Applications, and Services (MobiSys), 2016. SIGMobile Research Highlights
Lighting Up the Internet of Things with DarkVLC
International Workshop on Mobile Computing Systems and Applications (ACM HotMobile), 2016.
Using opportunistic face logging from smartphone to infer mental health: challenges and future directions
The International Workshop on Mobile Systems for Computational Social Science (MCSS), 2015
The Mobile Photographic Stress Meter (MPSM): A New Way to Measure Stress Using Images
The International Workshop on Mobile Systems for Computational Social Science (MCSS), 2015.
3D Printing Your Wireless Coverage
ACM Workshop on Hot Topics in Wireless (HotWireless), 2015 Hot Paper Award
Visible Light Knows Who You Are
ACM Workshop on Visible Light Communication Systems (VLCS), 2015
Human Sensing Using Visible Light Communication
ACM Conference on Mobile Computing and Networking (MobiCom), 2015 Best Video Award
SmartGPA: How Smartphones Can Assess and Predict Academic Performance of College Students
ACM International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp), 2015 Honorable Mention Award
Low-Power Pervasive Wi-Fi Connectivity Using WiScan
ACM International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp), 2015
Real-Time Screen-Camera Communication Behind Any Scene
ACM International Conference on Mobile Systems, Applications, and Services (MobiSys), 2015 Best Demo Award
Energy and Performance of Smartphone Radio Bundling in Outdoor Environments
The International World Wide Web Conference (WWW), 2015
Visible Light Networking and Sensing
ACM Workshop on Hot Topics in Wireless (HotWireless), 2014
StudentLife: assessing mental health, academic performance and behavioral trends of college students using smartphones
ACM International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp), 2014 Best Paper Nominee
Towards Commoditized Real-time Spectrum Monitoring
ACM Workshop on Hot Topics in Wireless (HotWireless), 2014
HiLight: Hiding Bits in Pixel Translucency Changes
ACM Workshop on Visible Light Communication Systems (VLCS), 2014 Best Paper Award
Cutting the Cord: a Robust Wireless Facilities Network for Data Centers
ACM Conference on Mobile Computing and Networking (MobiCom), 2014
My Smartphone Knows I am Hungry
ACM Workshop on Physical Analytics, 2014
Practical Conflict Graphs in the Wild
IEEE/ACM Transactions on Networking (ToN), 2014
Practical Conflict Graphs for Dynamic Spectrum Distribution
ACM Annual Conference of Special Interest Group on Performance Evaluation (SIGMETRICS), 2013 Best Practical Paper Award
Mirror Mirror on the Ceiling: Flexible Wireless Links for Data Centers
ACM Annual Conference of the Special Interest Group on Data Communication (SIGCOMM), 2012
3D Beamforming for Wireless Data Centers
ACM Workshop on Hot Topics in Networks (HotNets), 2011
I Am the Antenna: Accurate Outdoor AP Location Using Smartphones
ACM Conference on Mobile Computing and Networking (MobiCom), 2011
On the Stability and Optimality of Universal Swarms
ACM Annual Conference of Special Interest Group on Performance Evaluation (SIGMETRICS), 2011
To Preempt or Not: Tackling Bid and Time-based Cheating in Online Spectrum Auctions
IEEE Conference on Computer Communications (INFOCOM), 2011
Breaking Bidder Collusion in Large-Scale Spectrum Auctions
ACM Symposium on Mobile Ad Hoc Networking and Computing (MobiHoc), 2010
Optimus: SINR-driven Spectrum Distribution via Constraint Transformation
Symposium on New Frontiers in Dynamic Spectrum Access Networks (DySPAN), 2010
Auction-based Spectrum Markets in Cognitive Radio Networks
Auction-based Spectrum Markets in Cognitive Radio Networks
Book chapter in Cognitive Radio Communications and Networks, Academic Press, 2009
TRUST: A General Framework for Truthful Double Spectrum Auctions
IEEE Conference on Computer Communications (INFOCOM), 2009
eBay in the Sky: Strategy-Proof Wireless Spectrum Auctions
ACM Conference on Mobile Computing and Networking (MobiCom), 2008 Best Paper Award Finalist
Traffic-Driven Dynamic Spectrum Auctions
Workshop on Networking Technologies for Software Defined Radio (SDR), 2008
Correlation based Rate Adaptation via Insights from Incomplete Observations in 802.11 Networks
Correlation based Rate Adaptation via Insights from Incomplete Observations in 802.11 Networks
International Conference on Communications (ICC), 2007