Publications

Papers

MobiSys 2017

BackDoor: Making Microphones Hear Inaudible Sounds
Nirupam Roy, Haitham Hassanieh, Romit Roy Choudhury
Best paper award

MobiSys 2016

Listening through a Vibration Motor
Nirupam Roy, Romit Roy Choudhury

ICNP 2016

Compressing Backoff in CSMA Networks
Mahanth K Gowda, Nirupam Roy, Romit Roy Choudhury, Srihari Nelakuditi

NSDI 2015

Ripple: Communicating through Physical Vibrations
Nirupam Roy, Mahanth K Gowda, Romit Roy Choudhury

MobiSys 2014

I am a Smartphone and I can Tell my User’s Walking Direction
Nirupam Roy, He Wang, Romit Roy Choudhury
Outstanding MS thesis award

NDSS 2014

AccelPrint: Imperfections of Accelerometers Make Smartphones Trackable
Nirupam Roy, S. Dey (Co-primary), W. Xu, R. Roy Choudhury, S. Nelakuditi

HotNets 2014

Infrastructure Mobility: A What-if Analysis
Mahanth K Gowda, Nirupam Roy, Romit Roy Choudhury

HotWireless 2014

Backing out of Linear Backoff in Wireless Networks
Mahanth K Gowda, Nirupam Roy, Romit Roy Choudhury, Srihari Nelakuditi

Poster/Demo

MobiSys 2017

Demo: Riding the Non-linearities to Record Ultrasound with Smartphones
Nirupam Roy, Haitham Hassanieh, Romit Roy Choudhury

MobiCom 2016

Assessing Header Impacts in Soccer with Smartball
Theodore Stone et. al., Student Mentor: Nirupam Roy
Student research competition winner

NSDI 2016

Vibration: A new mode of communication
Nirupam Roy, Romit Roy Choudhury

Google 2015

Ripple: Communicating through Physical Vibration
Nirupam Roy, Romit Roy Choudhury
Google Mobile Faculty Summit 2015

MobiSys 2014

Demo: I am a Smartphone and I can Tell my User’s Walking Direction
Nirupam Roy, He Wang, Romit Roy Choudhury

HotMobile 2013

Leveraging Imperfections of Sensors for Fingerprinting Smartphones
Sanorita Dey, Nirupam Roy, Wenyuan Xu, Srihari Nelakuditi
Best poster runner-up

Patents

Granted

Communicating through physical vibration
Nirupam Roy, Romit Roy Choudhury, Mahanth K Gowda
Patent number: US 9608848 B2,   March 28, 2017

Pending

Unsupervised indoor localization and heading directions estimation
Romit Roy Choudhury, He Wang, Nirupam Roy, Souvik Sen, et. al.
Patent number: US 20150281910 A1,   October 1, 2015

Awards & Honors

Best paper award at MobiSys, 2017
“BackDoor: Making Microphones Hear Inaudible Sounds” wins the best paper award and the audience-choice award at MobiSys 2017.

Qualcomm Innovation Fellowship (QInF) finalist, 2016
“The QInF program is focused on recognizing, rewarding, and mentoring innovative PhD students across a broad range of technical research areas, based on Qualcomm’s core values of innovation, execution and teamwork.”

Bahl fellowship as outstanding graduate student, 2015-2017
“The fellowship was established by Dr. Lalit R. Bahl and Kavita Kinra and will provide graduate fellowships to students in the Electrical and Computer Engineering Department, UIUC”

Valkenburg award for outstanding research, 2015
“Mac Van Valkenburg symbolizes the highest quality of engineering education in Illinois and, indeed, in the country. The award, which is given annually to one or two outstanding PhD candidates in ECE, UIUC.”

Outstanding thesis award for MS thesis, 2013
The MS thesis was selected for the outstanding thesis award 2013 at the University of South Carolina, Columbia.

Best poster/demo runner-up at HotMobile, 2013
The poster on smartphone fingerprinting (AccelPrint) won the second prize at the HotMobile 2013, the International Workshop on Mobile Computing Systems and Applications.

Best undergraduate thesis of the institute, 2007
The undergraduate thesis on the robotic navigation assistant was selected as the best undergraduate thesis of the year 2007 at the Indian Institute of Engineering, Science, and Technology (IIEST, formerly B.E.College), Shibpur, India

10th rank in Secondary Examination, 2001
Placed 10th among around 700,000 examinees, according to the merit list published by 'West Bengal Board of Secondary Education', India.