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Geometry-Based Circuit Modeling of Quasi-Static Cavity Resonators for Wireless Power Transfer

Takuya Sasatani, Matthew Chabalko, Yoshihiro Kawahara and Alanson Sample

IEEE Open Journal of Power Electronics, 2022

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Wisecr: Secure Simultaneous Code Dissemination to Many Batteryless Computational RFID Devices

Yang Su, Michael Chesser, Yansong Gao, Alanson Sample and Damith Ranasinghe

IEEE Transactions on Dependable and Secure Computing, 2022

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MagX: Wearable, Untethered Hands Tracking with Passive Magnets

Dongyao Chen, Mingke Wang, Chenxi He, Qing Luo, Yasha Iravantchi, Alanson Sample, Kang G. Shin and Xinbing Wang

Proceedings of the Conference on Mobile Computing and Networking (MobiCom), 2021

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PrivacyMic: Utilizing Inaudible Frequencies for Privacy Preserving Daily Activity Recognition

Iravantchi, Yasha and Ahuja, Karan and Goel, Mayank and Harrison, Chris and Sample, Alanson

Proceedings of the Conference on Human Factors in Computing Systems (CHI), 2021

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Real-Time Capture of Holistic Tangible Interactions

Virag Varga, Gergely Vakulya, Benjamin Buergisser, Nathan Riopelle, Fabio Zund, Robert W. Sumner, Thomas R. Gross and Alanson Sample

Proceedings of the Conference on Tangible, Embedded, and Embodied Interaction (TEI), 2021

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Medication Adherence and Liquid Level Tracking System for Healthcare Provider Feedback

Nolan Payne, Rahul Gangwani, Kira Barton, Alanson Sample, Stephen M. Cain, David T. Burkeand, Paula Anne Newman-Casey and K. Alex Shorter

Sensors, 2020

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SecuCode: Intrinsic PUF Entangled Secure Wireless Code Dissemination for Computational RFID Devices

Yang Su, Yansong Gao, Michael Chesser, Omid Kavehei, Alanson Sample and Damith Ranasinghe

Transactions on Dependable and Secure Computing (TDSC), 2019

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IDAct: Towards Unobtrusive Recognition of User Presence and Daily Activities

Hanchuan Li, Chieh-yih Wan, Rahul C. Shah, Alanson Sample and Shwetak N. Patel

International Conference on RFID (RFID), 2019

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IDCam: Precise Item Identification for AR Enhanced Object Interactions

Hanchuan Li, Eric Whitmire, Alex Mariakakis, Victor Chan, Alanson Sample and Shwetak N. Patel

IEEE International Conference on RFID (RFID), 2019

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Super Low Resolution RF Powered Accelerometers for Alerting on Hospitalized Patient Bed Exits

Michael Chesser, Asangi Jayatilaka, Renuka Visvanathan, Christophe Fumeaux, Alanson Sample and Damith C. Ranasinghe

International Conference on Pervasive Computing and Communications (PerCom), 2019

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Room-Wide Wireless Charging and Load-Modulation Communication via Quasistatic Cavity Resonance

Takuya Sasatani, Chouchang (Jack) Yang, Matthew J. Chabalko, Yoshihiro Kawahara, and Alanson Sample

Proceedings of ACM on the Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), 2018

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Designing Groundless Body Channel Communication Systems: Performance and Implications

Virag Varga, Marc Wyss, Gergely Vakulya, Alanson Sample and Thomas R. Gross

Proceedings of the ACM Symposium on User Interface Software and Technology (UIST), 2018

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Electrical power to run ventricular assist devices using the Free-range Resonant Electrical Energy Delivery system

Benjamin H. Waters, Jiheum Park, J. Christopher Bouwmeester, John Valdovinos, Arnar Geirsson, Alanson Sample, Joshua R. Smith and Pramod Bonde

The Journal of Heart and Lung Transplantation, 2018

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Wall++: Room-Scale Interactive and Context-Aware Sensing

Yang Zhang, Chouchang (Jack) Yang, Scott E. Hudson, Chris Harrison and Alanson Sample

Proceedings of Conference on Human Factors in Computing Systems (CHI), 2018

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Force Jacket: Pneumatically-Actuated Jacket for Embodied Haptic Experiences

Alexandra Delazio, Ken Nakagaki, Roberta L. Klatzky, Scott E. Hudson, Jill Fain Lehman, Alanson Sample,

Proceedings of the Conference on Human Factors in Computing Systems (CHI), 2018

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Enabling Interactive Infrastructure with Body Channel Communication

Virag Varga, Gergely Vakulya, Alanson Sample and Thomas R. Gross

Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), 2017

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Playful Interactions with Body Channel Communication: Conquer It!

Virag Varga, Gergely Vakulya, Alanson Sample and Thomas R. Gross

Adjunct Publication of the Symposium on User Interface Software and Technology (UIST), 2017

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EM-Comm: Touch-based Communication via Modulated Electromagnetic Emissions

Chouchang (Jack) Yang and Alanson Sample

Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), 2017

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Multimode Quasistatic Cavity Resonators for Wireless Power Transfer

Takuya Sasatani, Matthew J. Chabalko, Yoshihiro Kawahara and Alanson Sample

IEEE Antennas and Wireless Propagation Letters (AWPL), 2017

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RFID Light Bulb: Enabling Ubiquitous Deployment of Interactive RFID Systems

Jeremy Gummeson, James Mccann, Chouchang (Jack) Yang, Damith Ranasinghe, Scott Hudson and Alanson Sample

Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), 2017

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Riding the Airways: Ultra-Wideband Ambient Backscatter via Commercial Broadcast Systems

Chouchang (Jack) Yang, Jeremy Gummeson and Alanson Sample

IEEE Conference on Computer Communications (INFOCOM), 2017

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Quasistatic Cavity Resonance for Ubiquitous Wireless Power Transfer

Matthew J. Chabalko, Mohsen Shahmohammadi and Alanson Sample

PLOS ONE, 2017

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Electromagnetic Time Reversal Focusing of Near Field Waves in Metamaterials

Matthew J. Chabalko and Alanson Sample

Applied Physics Letters (APL), 2016

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Circuit Model for Resonant Cavity Mode Enabled Wireless Power Transfer

Mohsen Shahmohammadi, Matthew J. Chabalko and Alanson Sample

European Microwave Conference (EuMC), 2016

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PaperID: A Technique for Drawing Functional Battery-Free Wireless Interfaces on Paper

Hanchuan Li, Eric Brockmeyer, Elizabeth J. Carter, Josh Fromm, Scott E. Hudson, Shwetak N. Patel, and Alanson Sample

Proceedings of the Conference on Human Factors in Computing Systems (CHI), 2016

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RapID: A Framework for Fabricating Low-Latency Interactive Objects with RFID Tags

Andrew Spielberg, Alanson Sample, Scott E. Hudson, Jennifer Mankoff and James McCann

Proceedings of the Conference on Human Factors in Computing Systems (CHI), 2016

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ID-Match: A Hybrid Computer Vision and RFID System For Recognizing Individuals In Groups

Hanchuan Li, Peijin Zhang, Samer Al Moubayed, Shwetak N. Patel and Alanson Sample

Proceedings of the Conference on Human Factors in Computing Systems (CHI), 2016

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EM-ID: Tag-less Identification of Electrical Devices via Electromagnetic Emissions

Chouchang (Jack) Yang and Alanson Sample

IEEE International Conference on RFID (RFID), 2016

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High-Q, Over-Coupled Tuning for Near-Field RFID Systems

Mohsen Shahmohammadi, Matthew J. Chabalko and Alanson Sample

IEEE International Conference on RFID (RFID), 2016

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An Energy-interference-free Hardware-Software Debugger for Intermittent Energy-harvesting Systems

Alexei Colin, Graham Harvey, Brandon Lucia and Alanson Sample

Proceedings of the International Conference on Architectural Support for Programming Languages and Operating Systems (ASPLOS), 2016

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Three-Dimensional Charging via Multimode Resonant Cavity Enabled Wireless Power Transfer

Matthew J. Chabalko and Alanson Sample

IEEE Transactions on Power Electronics

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EM-Sense: Touch Recognition of Uninstrumented, Electrical and Electromechanical Objects

Gierad Laput, Chouchang (Jack) Yang, Robert Xiao, Alanson Sample and Chris Harrison

Proceedings of the Annual ACM Symposium on User Interface Software & Technology (UIST), 2015

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Self-localizing Battery-free Cameras

Saman Naderiparizi, Yi Zhao, James Youngquist, Alanson Sample and Joshua R. Smith

Proceedings of the ACM International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp), 2015

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IDSense: A Human Object Interaction Detection System Based on Passive UHF RFID

Hanchuan Li, Can Ye and Alanson Sample

Proceedings of the Annual ACM Conference on Human Factors in Computing Systems (CHI), 2015

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Electric Field Coupling to Short Dipole Receivers In Cavity Mode Enabled Wireless Power Transfer

Matthew J. Chabalko and Alanson Sample

IEEE International Symposium on Antennas and Propagation (APS), 2015

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Energy-Interference-Free System and Toolchain Support for Energy-Harvesting Devices

Alexei Colin, Alanson. P. Sample and Brandon Lucia

Proceedings of the International Conference on Compilers, Architecture and Synthesis for Embedded Systems (CASES), 2015

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NFC-WISP: A Sensing and Computationally Enhanced Near-Field RFID Platform

Yi (Eve) Zhao, Joshua R. Smith and Alanson Sample

IEEE International Conference on RFID (RFID), 2015

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Resonant Cavity Mode Enabled Wireless Power Transfer

Matthew J. Chabalko and Alanson P. Sample

2014_

Applied Physics Letters (APL), 2014

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WINDWare: Supporting Ubiquitous Computing With Passive Sensor Enabled RFID

Asanga Wickramasinghe, Damith C. Ranasinghe and Alanson P. Sample

IEEE International Conference on RFID (RFID), 2014

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Wirelessly Powered Bistable Display Tags

Artem Dementyev, Jeremy Gummeson, Derek Thrasher, Aaron Parks, Deepak Ganesan, Joshua R. Smith and Alanson P. Sample

Proceedings of the ACM International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp), 2013

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Enabling Seamless Wireless Power Delivery in Dynamic Environments

Alanson P. Sample and Ben H. Waters and Scott T. Wisdom and Joshua R. Smith

Proceedings of the IEEE, 2013

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Evaluation of Wireless Resonant Power Transfer Systems With Human Electromagnetic Exposure Limits

Andreas Christ, Mark G. Douglas, John M. Roman, Emily B. Cooper, Alanson P. Sample, Benjamin H. Waters, Joshua R. Smith and Niels Kuster

IEEE Transactions on Electromagnetic Compatibility (TEMC), 2013

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Sensor Enabled Wearable RFID Technology for Mitigating the Risk of Falls Near Beds

Roberto L. Shinmoto Torres, Damith C. Ranasinghe, Qinfeng Shi and Alanson P. Sample

IEEE International Conference on RFID (RFID), 2013

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A Wireless Sensing Platform Utilizing Ambient RF Energy

Aaron N. Parks, Alanson P. Sample, Yi (Eve) Zhao and Joshua R. Smith

IEEE Conference on Biomedical Wireless Technologies, Networks, and Sensing Systems, 2013

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Powering a Ventricular Assist Device (VAD) With the Free-Range Resonant Electrical Energy Delivery (FREE-D) System

Benjamin H. Waters, Alanson P. Sample, Pramod Bonde and Joshua R. Smith

Proceedings of the IEEE, 2012

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Optical localization of passive UHF RFID tags with integrated LEDs

Alanson P. Sample, Craig Macomber, Liang-Ting Jiang and Joshua R. Smith

IEEE International Conference on RFID (RFID), 2012

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Towards falls prevention: A wearable wireless and battery-less sensing and automatic identification tag for real time monitoring of human movements

Damith C. Ranasinghe, Roberto L. Shinmoto Torres, Alanson P. Sample, Joshua R. Smith, Keith Hill and Renuka Visvanathan

International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2012

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Adaptive Impedance Matching for Magnetically Coupled Resonators

Benjamin H. Waters, Alanson P. Sample and Joshua R. Smith

Proceedings of PIERS, 2012

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Photovoltaic Enhanced UHF RFID Tag Antennas for Dual Purpose Energy Harvesting

Alanson P. Sample, Jeff Braun, Aaron Parks and Joshua R. Smith

IEEE International Conference on RFID, 2011

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Analysis, Experimental Results, and Range Adaptation of Magnetically Coupled Resonators for Wireless Power Transfer

Alanson P. Sample, David. T. Meyer and Joshua R. Smith

IEEE Transactions on Industrial Electronics (TIE), 2010

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RFID: From Supply Chains to Sensor Nets

Sumit Roy, Vikram Jandhyala, Joshua R. Smith, David J. Wetherall, Brian P. Otis, Ritochit Chakraborty, Michael Buettner, Daniel J. Yeager, You-Chang Ko and Alanson P. Sample

Proceedings of the IEEE, 2010

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A Capacitive Touch Interface for Passive RFID Tags

Alanson P. Sample, Daniel J. Yeager and Joshua. R. Smith

IEEE International Conference on RFID (RFID), 2009

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Experimental Results With Two Wireless Power Transfer Systems

Alanson P. Sample and Joshua R. Smith

IEEE Radio and Wireless Symposium (RSW), 2009

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Design of an RFID-Based Battery-Free Programmable Sensing Platform

Alanson P. Sample, Daniel J. Yeager, Pauline S. Powledge, Alexander V. Mamishev and Joshua R. Smith

Transactions on Instrumentation and Measurement (TIM), 2008

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