PAPERS

PASTAPneumatically-Actuated Liquid Metal-Based Frequency Reconfigurable Antenna, Yiwen Song, Aditya Bharambe, Dinesh K Patel, Barbara Zhuo, Mason Zadan, Carmel Majidi and Swarun Kumar, Advanced Science 2026 PAPERWEBSITE
SonicSieveSonicSieve: Bringing Directional Speech Extraction to Smartphones Using Acoustic Microstructures, Kuang Yuan, Yifeng Wang, Xiyuxing Zhang, Chengyi Shen, Swarun Kumar, and Justin Chan, CHI 2026 WEBSITE
GigaFlexGigaFlex: Contactless Monitoring of Muscle Vibrations During Exercise with a Chaos-Inspired Radar, Jiangyifei Zhu, Yuzhe Wang, Tao Qiang, Vu Phan, Zhixiong Li, Evy Meinders, Eni Halilaj, Justin Chan and Swarun Kumar, SenSys 2026 WEBSITE
mmTextoraSurface Material and Roughness Sensing using mmWave via Surface Scattering and Ambient Vibrations, Yawen Liu, Bert Shan and Swarun Kumar, SenSys 2026 WEBSITE
TranQuiLTranQuiL: Long Range Detection and Localization of RFI in Radio Quiet Zones, Atul Bansal, Mohamed Ibrahim, Kuang Yuan, Yiwen Song, Swarun Kumar and Bob Iannucci, Radio Science 2026 PAPERWEBSITE
MetaPowerTowards Smart Wireless Power Transfer Through a Localizing and Beam-Focusing Magnetic Metasurface, Yawen Liu and Swarun Kumar, HotMobile 2026 WEBSITE
PolarVisorPolarVisor: Clutter-free, Electronics-free Fiducial Markers for mmWave Radars Printed on Paper, Junbo Zhang, Yiwen Song and Swarun Kumar, MobiCom 2025 PAPERWEBSITE
RFBridgeRFBridge: Ultra Wideband Reconfigurable Metamaterial Surface Enabling Frequency Conversion, Yawen Liu, Shivang Aggarwal, Mohamed Ibrahim, Puneet Sharma, and Swarun Kumar, HotMobile 2025 PAPERWEBSITE
WiLLCan we make FCC Experts out of LLMs?, Atul Bansal, Veronica Muriga, Jason Li, Lucy Duan and Swarun Kumar, HotMobile 2025 PAPERWEBSITE
WindDancerWindDancer: Understanding Acoustic Sensing under Ambient Airflow, Kuang Yuan, Dong Li, Hao Zhou, Zhehao Li, Lili Qiu, Swarun Kumar and Jie Xiong, IMWUT 2025 PAPERWEBSITE
DeWinderDeWinder: Single-Channel Wind Noise Reduction using Ultrasound Sensing, Kuang Yuan, Shuo Han, Swarun Kumar and Bhiksha Raj, InterSpeech 2024 PAPERWEBSITE
MetamorphShape-programming Robotic Reflectors for Wireless Networks, Yawen Liu, Akarsh Prabhakara, Jiangyifei Zhu, Shenyi Qiao, Swarun Kumar, ICRA 2025 PAPERWEBSITE
RFactFrequency-selective actuation of liquid crystalline elastomer actuators with radio-frequency, Yiwen Song, Zefang Li, Mason Zadan, Jingxian Wang, Swarun Kumar, Carmel Majidi, Nature Communications 2025 PAPERWEBSITE
VitonThermo-Mechanically Stable, Liquid Metal Embedded Soft Materials for High-Temperature Applications, Robert Herbert, Piotr Mocny, Yuqi Zhao, Ting-Chih Lin, Junbo Zhang, Michael Vinciguerra, Sunny Surprenant, Wui Yarn Daphne Chan, Swarun Kumar, Michael R. Bockstaller, Krzysztof Matyjaszewski, Carmel Majidi, Advanced Functional Materials 2024 PAPERWEBSITE
AVATARSReinforcement learning-based framework for whale rendezvous via autonomous sensing robots, Nishant Mehrotra, Divyanshu Pandey, Ashutosh Sabharwal, Akarsh Prabhakara, Yawen Liu and Swarun Kumar, Science Robotics 2024 PAPERWEBSITE
HydraHydra: Exploiting Multi-Bounce Scattering for Beyond-Field-of-View mmWave Radar, Nishant Mehrotra, Divyanshu Pandey, Ashutosh Sabharwal, Akarsh Prabhakara, Yawen Liu and Swarun Kumar, MobiCom 2024 PAPERWEBSITE
MicroSurfGuiding Energy Distribution inside Microwave Oven, Yiwen Song, Swarun Kumar, Hao Pan, Longyuan Ge, Yi-Chao Chen, and Lili Qiu, MobiCom 2024 PAPERWEBSITE
ToMoBrushToMoBrush: Exploring Dental Health Sensing using a Sonic Toothbrush, Kuang Yuan, Mohamed Ibrahim, Yiwen Song, Guoxiang Deng, Robert A. Nerone, Suvendra Vijayan, Akshay Gadre, and Swarun Kumar, UbiComp 2024 PAPERWEBSITE
OpenSpaceA Roadmap for the Democratization of Space-Based Communications, Veronica Muriga, Swarun Kumar, Akshitha Sriraman and Assane Gueye, HotNets 2024 PAPERWEBSITE
SCALEDTowards Ubiquitous IoT through Long Range Wireless Energy Harvesting, Mohamed Ibrahim, Atul Bansal, Kuang Yuan, Junbo Zhang, and Swarun Kumar, MobiHoc 2024 PAPERWEBSITE
TranQuiL0TranQuiL: Long Range Detection and Localization of RFI in Radio Quiet Zones, Atul Bansal, Mohamed Ibrahim, Kuang Yuan, Yiwen Song, Swarun Kumar and Bob Iannucci, RFI (Oral) 2024 WEBSITE
VistaAdapting LoRa Ground Stations for Low-latency Imaging and Inference from LoRa-enabled CubeSats, Akshay Gadre, Zachary Machester, and Swarun Kumar, ACM ToSN 2024 PAPERWEBSITE
WASERWireless Actuation for Soft Electronics-free Robots, Jingxian Wang, Yiwen Song, Mason Zadan, Yuyi Shen, Vanessa Chen, Carmel Majidi and Swarun Kumar, MobiCom 2023 PAPERWEBSITE
RFIMapBattery-free Wideband Spectrum Mapping using Commodity RFID Tags, Mohamed Ibrahim, Atul Bansal, Kuang Yuan, Swarun Kumar and Peter Steenkiste, MobiCom 2023 PAPERWEBSITE
PlatypusPlatypus: Sub-mm Micro-Displacement Sensing with Passive Millimeter-wave Tags As Phase Carriers, Thomas Horton King, Jizheng He, Chun-Kai (Sean) Yao, Akarsh Prabhakara, Mohamad Alipour, Swarun Kumar, Anthony Rowe and Elahe Soltanaghai, IPSN 2023 PAPERWEBSITE
NSRNavigating Soft Robots through Wireless Heating, Yiwen Song, Mason Zadan, Kushaan Misra, Zefang Li, Jingxian Wang, Carmel Majidi and Swarun Kumar, ICRA 2023 PAPERWEBSITE
RadarHDHigh Resolution Point Clouds from mmWave Radar, Akarsh Prabhakara, Tao Jin, Arnav Das, Gantavya Bhatt, Lilly Kumari, Elahe Soltanaghai, Jeff Bilmes, Swarun Kumar and Anthony Rowe, ICRA 2023 PAPERWEBSITE
ICEThe Interplay of Clustering and Evolution in the Emergence of Epidemics on Networks, Mansi Sood, Rashad Eletreby, Swarun Kumar, Chai Wah Wu, Osman Yagan, ICC 2023 PAPERWEBSITE
NFCapsuleNFCapsule: An Ingestible Sensor Pill for Eosinophilic Esophagitis Detection Based on Near-field Coupling, Junbo Zhang, Gaurav Balakrishnan, Sruti Srinidhi, Arnav Bhat, Swarun Kumar and Christopher Bettinger, SenSys 2022 PAPERWEBSITE
PLatterPLatter: On the Feasibility of Building-scale Power Line Backscatter, Junbo Zhang, Elahe Soltanaghaei, Artur Balanuta, Reese Grimsley, Swarun Kumar and Anthony Rowe, NSDI 2022 PAPERWEBSITE
MetamoranExploring mmWave Radar and Camera Fusion for High-Resolution and Long-Range Depth Imaging, Akarsh Prabhakara (Co-Primary), Diana Zhang (Co-Primary), Chao Li, Sirajum Munir, Aswin Sankaranarayanan, Anthony Rowe and Swarun Kumar, IROS 2022 PAPERSLIDESWEBSITE
WSRToolbox Release: A WiFi-Based Relative Bearing Sensor for Robotics, Ninad Jadhav, Weiying Wang, Diana Zhang, Swarun Kumar and Stephanie Gil, IROS 2022 PAPERWEBSITE
FastLocUltra Low-Latency Backscatter for Fast-moving Location Tracking, Jingxian Wang, Vaishnavi Ranganathan, Jonathan Lester and Swarun Kumar, UbiComp 2022 PAPERWEBSITE
SelfieStickSelfieStick: Towards Earth Imaging from a Low-Cost Ground Module Using LEO Satellites, Vaibhav Singh, Osman Yagan and Swarun Kumar, IPSN 2022 PAPERWEBSITE
MilTonMiLTOn: Sensing Product Integrity without Opening the Box using Non-Invasive Acoustic Vibrometry, Akshay Gadre, Deepak Vasisht, Nikunj Raghuvanshi, Bodhi Priyantha, Manikanta Kotaru, Swarun Kumar and Ranveer Chandra , IPSN 2022 PAPERWEBSITE
PPBExploring the Needs of Users for Supporting Privacy-protective Behavior in Smart Homes, Haojian Jin, Boyuan Guo, Rituparna Roychoudhury, Yaxing Yao, Swarun Kumar, Yuvraj Agarwal and Jason Hong, CHI 2022 PAPERWEBSITE
LPRLean Privacy Review: Collecting Users' Privacy Concerns of Data Practices at a Low Cost, Haojian Jin, Hong Shen, Mayank Jain, Swarun Kumar, and Jason Hong, TOCHI 2021 PAPERWEBSITE
TagFiTagFi: Locating Ultra-Low Power WiFi Tags Using Unmodified WiFi Infrastructure, Elahe Soltanaghaei, Adwait Dongare, Akarsh Prabhakara, Swarun Kumar, Anthony Rowe and Kamin Whitehouse, UbiComp 2021 PAPERWEBSITE
OwLLOwLL: Accurate LoRa Localization using the TV Whitespaces, Atul Bansal, Akshay Gadre, Vaibhav Singh, Anthony Rowe, Bob Iannucci and Swarun Kumar, IPSN 2021 PAPERWEBSITE
TextileSenseLocating Everyday Objects using NFC Textiles, Jingxian Wang (Co-Primary), Junbo Zhang (Co-Primary), Ke Li, Chengfeng Pan, Carmel Majidi and Swarun Kumar, IPSN 2021 (Best Paper Award) PAPERWEBSITE
MillimetroMillimetro: mmWave Retro-Reflective Tags for Accurate, Long Range Localization, Elahe Soltanaghaei (Co-Primary), Akarsh Prabhakara (Co-Primary), Artur Balanuta (Co-Primary), Matthew Anderson, Jan M. Rabaey, Swarun Kumar and Anthony Rowe, MobiCom 2021 PAPERWEBSITE
QuasarA Community-Driven Approach to Democratize Access to Satellite Ground Stations, Vaibhav Singh, Akarsh Prabhakara, Diana Zhang, Osman Yagan and Swarun Kumar, MobiCom 2021 PAPERWEBSITE
QuAiLQuick (and Dirty) Aggregate Queries on Low-Power WANs, Akshay Gadre, Fan Yi, Anthony Rowe, Bob Iannucci and Swarun Kumar, IPSN 2020 (Best Paper Award) PAPERWEBSITE
FDStudyFull Duplex Radios: Are we there yet?, Vaibhav Singh (Co-Primary), Akshay Gadre (Co-Primary) and Swarun Kumar, HotNets 2020 PAPERWEBSITE
CharIoTCross Technology Distributed MIMO for Low Power IoT, Revathy Narayanan, Swarun Kumar and C. Siva Ram Murthy, IEEE Transactions on Mobile Computing 2020 PAPERWEBSITE
JoltikJoltik: Enabling Energy-Efficient "Future-Proof" Analytics on Low-Power Wide-Area Networks, Mingran Yang, Junbo Zhang, Akshay Gadre, Zaoxing Liu, Swarun Kumar and Vyas Sekar, MobiCom 2020 PAPERWEBSITE
OspreyOsprey: A mmWave Approach to Tire Wear Sensing, Akarsh Prabhakara, Vaibhav Singh, Swarun Kumar and Anthony Rowe, MobiSys 2020 (Best Paper Honorable Mention) PAPERSLIDESWEBSITE
OPRA Cloud-Optimized Link Layer for Low-Power Wide-Area Networks, Artur Balanuta, Nuno Pereira, Swarun Kumar and Anthony Rowe, MobiSys 2020 PAPERWEBSITE
ClusteredNetsEvolutionary Adaptations on Clustered Contact Networks, Rashad Eletreby, Yong Zhuang, Swarun Kumar and Osman Yagan, NetSci 2020 PAPERWEBSITE
Osprey-demoOsprey Demo: A mmWave Approach to Tire Wear Sensing, Akarsh Prabhakara, Vaibhav Singh, Swarun Kumar and Anthony Rowe, MobiSys 2020 PAPERWEBSITE
NoFaceContactPoster - NoFaceContact: Stop Touching Your Face with NFC, Junbo Zhang and Swarun Kumar, MobiSys 2020 PAPERWEBSITE
WiRaPoster: Does Ambient RF Energy Suffice to Power Battery-free IoT?, Atul Bansal, Swarun Kumar and Bob Iannucci, MobiSys 2020 PAPERWEBSITE
QuAiLQuick (and Dirty) Aggregate Queries on Low-Power WANs, Akshay Gadre, Fan Yi, Anthony Rowe, Bob Iannucci and Swarun Kumar, IPSN 2020 (Best Paper Award) PAPERWEBSITE
mmFDMillimeter-Wave Full Duplex Radios, Vaibhav Singh, Susnata Mondal, Akshay Gadre, Milind Srivastava, Jeyanandh Paramesh and Swarun Kumar, MobiCom 2020 PAPERSLIDESWEBSITE
ChimeFrequency Configuration for Low-Power Wide-Area Networks in a Heartbeat, Akshay Gadre, Revathy Narayanan, Anh Luong, Swarun Kumar, Anthony Rowe and Bob Iannucci, NSDI 2020 PAPERWEBSITE
RFTattooRFID Tattoo: A Wireless Platform for Speech Recognition , Jingxian Wang, Chengfeng Pan, Haojian Jin, Vaibhav Singh, Yash Jain, Jason Hong, Carmel Majidi and Swarun Kumar, UbiComp 2020 (Best Wearables Long Paper) PAPERWEBSITE
ReCoilYou foot the bill! Attacking NFC with passive relays, Yuyi Sun, Swarun Kumar, Shibo He, Jiming Chen and Zhiguo Shi, IEEE IoT Journal 2020 PAPERWEBSITE
PDMS-BeadsSilver-Coated PDMS Beads for Soft, Stretchable, and Thermally Stable Conductive Elastomer Composites , Chengfeng Pan, Yun Sik Ohm, Jingxian Wang, Michael J. Ford, Kitty Kumar, Swarun Kumar, and Carmel Majidi, ACS applied materials and interfaces 2019 PAPER
SozuSozu: Self-Powered Radio Tags for Building-Scale Activity Sensing , Yang Zhang, Yasha Iravantchi, Haojian Jin, Swarun Kumar, and Chris Harrison, UIST 2019 PAPERWEBSITE
R2F2-CCRPerspective: eliminating channel feedback in next generation cellular networks , Deepak Vasisht, Swarun Kumar, Hariharan Rahul and Dina Katabi, ACM SIGCOMM CCR 2019 PAPER
SDCSoftware Defined Cooking using a Microwave Oven , Haojian Jin, Jingxian Wang, Swarun Kumar and Jason Hong, MobiCom 2019 (ACM GetMobile Research Hightlight) PAPERSLIDESWEBSITE
IntuWitionOn the Feasibility of Wi-Fi Based Material Sensing , Diana Zhang, Jingxian Wang, Junsu Jang, Junbo Zhang, Swarun Kumar, MobiCom 2019 PAPERSLIDESWEBSITE
PushIDPushing the Range Limits of Commercial Passive RFIDs , Jingxian Wang, Junbo Zhang, Rajarshi Saha, Haojian Jin, Swarun Kumar, NSDI 2019 PAPERWEBSITE
GalIoTRevisiting Software Defined Radios in the IoT Era , Revathy Narayanan, Swarun Kumar, HotNets 2018 PAPER
LoRaTiltPoster: Maintaining UAV Stability using Low-Power WANs , Akshay Gadre, Revathy Narayanan, Swarun Kumar, MobiCom - Posters 2018 PAPER
WiShWiSh: Towards a Wireless Shape-aware World , Haojian Jin, Jingxian Wang, Zhijian Yang, Swarun Kumar, Jason Hong, MobiSys 2018 PAPERWEBSITE
CharmCharm: Exploiting Geographical Diversity Through Coherent Combining in Low-Power Wide-Area Networks , Adwait Dongare, Revathy Narayanan, Akshay Gadre, Artur Balanuta, Anh Luong, Swarun Kumar, Bob Iannucci, Anthony Rowe, IPSN 2018 (Best Paper Award) PAPERWEBSITE
DLIoTA Deep Learning Approach to IoT Authentication , Rajshekhar Das, Akshay Gadre, Shanghang Zhang, Swarun Kumar and Jose Moura, ICC 2018 PAPERWEBSITE
RFWearTowards Wearable Everyday Body-Frame Tracking , Haojian Jin, Zhijian Yang, Swarun Kumar, and Jason Hong, UbiComp 2018 (Best Demo Honorable Mention) PAPERSLIDESWEBSITE
ChoirEmpowering Low-Power Wide Area Networks in Urban Settings , Rashad Eletreby, Diana Zhang, Swarun Kumar, and Osman Yagan, SIGCOMM 2017 PAPERSLIDESWEBSITE
R2-F2Eliminating Channel Feedback in Next-Generation Cellular Networks , Deepak Vasisht, Swarun Kumar, Hariharan Rahul and Dina Katabi, SIGCOMM 2016 (Best Paper Award, GetMobile Research Highlight) PAPER
ChronosDecimeter-Level Localization with a Single WiFi , Access Point, Deepak Vasisht, Swarun Kumar and Dina Katabi, NSDI 2016 PAPER
piStreampiStream: Physical Layer Informed Adaptive Video Streaming Over LTE, Xiufeng Xie, Xinyu Zhang, Swarun Kumar, and Li Erran Li, MobiCom 2015 (ACM GetMobile Research Hightlight) PAPER
RoboSecGuaranteeing Spoof-Resilient Multi-Robot Networks, Stephanie Gil (Co-primary), Swarun Kumar (Co-primary), Mark Mazumder, Dina Katabi and Daniela Rus, RSS 2015 PAPER
UbicarseAccurate Indoor Localization with Zero Startup Cost, Swarun Kumar, Stephanie Gil, Dina Katabi and Daniela Rus, ACM MOBICOM 2014 (Best Presentation Runner-up) PAPERWEBSITE
LTEyeLTE Radio Analytics Made Easy and Accessible, Ezzeldin Hamed, Dina Katabi, and Li Erran Li, ACM SIGCOMM 2014 PAPERWEBSITE
WiSeekAdaptive Communication in Multi-Robot Systems Using Directionality of Signal Strength, Stephanie Gil, Swarun Kumar, Dina Katabi and Daniela Rus, International Symposium on Robotics Research (ISRR) 2013 PAPERWEBSITE
OpenRFBringing Cross-Layer MIMO to Today's Wireless LANs, Swarun Kumar, Diego Cifuentes, Shyamnath Gollakota, and Dina Katabi, ACM SIGCOMM 2013 PAPERSLIDESWEBSITE
MoMIMOInterference Alignment by Motion, Fadel Adib (Co-primary), Swarun Kumar (Co-primary), Omid Aryan, Shyamnath Gollakota, and Dina Katabi, ACM MOBICOM 2013 PAPERSLIDESWEBSITE
CarSpeakCarSpeak: A Content-Centric Network for Autonomous Driving, Swarun Kumar, Lixin Shi, Stephanie Gil, Nabeel Ahmed, Dina Katabi, and Daniela Rus, ACM SIGCOMM 2012 PAPERSLIDESWEBSITE
MegaMIMOMegaMIMO: Scaling Wireless Capacity with User Demands, Hariharan Rahul, Swarun Kumar, and Dina Katabi, ACM SIGCOMM 2012 (CACM Research Highlight) PAPERWEBSITE
CarcelA Cloud-Assisted Design for Autonomous Driving, Swarun Kumar, Shyamnath Gollakota, Dina Katabi, MCC Workshop (SIGCOMM) 2012 PAPER
WiSeek-IJRRAdaptive Communication in Multi-Robot Systems Using Directionality of Signal Strength, Stephanie Gil, Swarun Kumar, Dina Katabi and Daniela Rus, 2015 PAPER
JMBJMB: Scaling Wireless Capacity with User Demands, Hariharan Rahul, Swarun Kumar, and Dina Katabi, 2014 PAPER
sec1Forcing Out a Confession: Threshold Discernible Ring Signatures, Swarun Kumar, Shivank Agrawal, Ramarathnam Venkatesan, Satya Lokam, C. Pandu Rangan, SECRYPT 2010, Athens, Greece (Best Paper Award)
sec2Attribute Based Signatures for Bounded Multi-Level Threshold Circuits, Swarun Kumar, Shivank Agrawal, Subha Balarama and C. Pandu Rangan, EUROPKI 2010, Athens, Greece
sec3Sanitizable Signatures with Strong Transparency in the Standard Model, Shivank Agrawal, Swarun Kumar, Amjed Shareef and Pandu Rangan C., INSCRYPT 2009, Beijing, China

THESES

  • Pushing the Limits of Wireless Networks, Swarun Kumar, Ph.D. Thesis, MIT, 2015 (George M. Sprowls Outstanding Thesis Award) LINK
  • A Content-Centric Network for Autonomous Driving, Swarun Kumar, M.S. Thesis, MIT, 2012 LINK
  • Provably Secure Signature Scheme with Advanced Mechanisms for Anonymity, Swarun Kumar, B.Tech. Thesis, IIT Madras, 2010