Rajalakshmi Nandakumar

I am an Assistant Professor at Cornell Tech and in the Computing and Information Science department at Cornell University. I manage the wireless and mobile systems lab at Cornell Tech.

I develop computing technologies that enable novel applications across various domains including mobile health, user interfaces and IoT. My research focuses on developing and deploying computing technologies that can create an impact in the real world and improve the quality of life.

Recent highlights

Impact Statement


Detecting Middle Ear Fluid Using Smartphones
Justin Chan, Sharat Raju, Rajalakshmi Nandakumar, Randall Bly, Shyamnath Gollakota
Science Translational Medicine - May 2019
Opioid Overdose Detection Using Smartphones
Rajalakshmi Nandakumar, Jacob Sunshine, Shyamnath Gollakota
Science Translational Medicine - Jan 2019
Living IoT: A flying Wireless Platform on Live Insects
Vikram Iyer, Rajalakshmi Nandakumar, Anran Wang, Sawyer B. Fuller, Shyamnath Gollakota
MobiCom 2019
Highest ranked paper
3D Localization for Sub-Centimeter Sized Devices
Rajalakshmi Nandakumar, Vikram Iyer, Shyamnath Gollakota
SenSys 2018
Best Paper award
Charging a Smartphone Across a Room Using Lasers
Vikram Iyer, Elyas Bayati, Rajalakshmi Nandakumar, Arka Majumdar, Shyamnath Gollakota
Ubicomp 2017
CovertBand: Activity Information Leakage using Music
Rajalakshmi Nandakumar, Tadayoshi Kohno, Alex Takakuwa, Shyamnath Gollakota
Ubicomp 2017
FingerIO: Using Active Sonar for Fine-Grained Finger Tracking
Rajalakshmi Nandakumar, Vikram Iyer, Desney Tan, Shyamnath Gollakota
CHI 2016
Honorable Mention
Contactless Sleep Apnea Detection on Smartphones
Rajalakshmi Nandakumar, Shyamnath Gollakota, Nathaniel Watson
MobiSys 2015
Best paper nominee
Featured in Getmobile
Wi-Fi Gesture Recgnition on Existing Devices
Rajalakshmi Nandakumar, Bryce Kellogg, Shyamnath Gollakota
arXiv 2014
Feasibility and Limitations of Wi-Fi Imaging
Rajalakshmi Nandakumar, Donny Huang, Shyamnath Gollakota
SenSys 2014
Best Presentation award
Dhwani: Secure Peer-to-Peer Acoustic NFC
Rajalakshmi Nandakumar, Krishna Kant Chintalapudi, Venkat Padmanabhan, Ramarathnam Venkatesan
Sigcomm 2013
Centaur: Locating Devices in an Office Environment
Rajalakshmi Nandakumar, Krishna Kant Chintalapudi, Venkat Padmanabhan
MobiCom 2012

Assistant Professor
Cornell Tech

Computing and Information Science

Bloomberg Center, NYC
Google Scholar

Many thanks to David Jurgens for the site template/inspiration