2018

MUTE: Bringing IoT to Noise Cancellation
Sheng Shen, Nirupam Roy, Junfeng Guan, Haitham Hassanieh, Romit Roy Choudhury
ACM SIGCOMM, Aug 2018.

Fast Millimeter Wave Beam Alignment
Haitham Hassanieh, Omid Abari, Michael Rodriguez, Mohammed Abdelghany, Dina Katabi, Piotr Indyk
ACM SIGCOMM, Aug 2018.

LiquID: A Wireless Liquid IDentifier
Ashutosh Dhekne, Mahanth Gowda, Yixuan Zhao, Haitham Hassanieh, Romit Roy Choudhury
ACM MobiSys, June 2018. [slides]

Inaudible Voice Commands: The Long-Range Attack and Defense
Nirupam Roy, Sheng Shen, Haitham Hassanieh, Romit Roy Choudhury
NSDI, April 2018. [slides]

If WiFi APs Could Move: A Measurement Study
Ashutosh Dhekne, Mahanth Gowda, Romit Roy Choudhury, Srihari Nelakuditi
IEEE Transactions on Mobile Computing, 2018.


2017

BackDoor: Making Microphones Hear Inaudible Sounds
Nirupam Roy, Haitham Hassanieh, Romit Roy Choudhury
ACM MobiSys, June 2017. [slides] [video]
Best Paper Award

Bringing IoT to Sports Analytics
Mahanth Gowda, Ashutosh Dhekne, Sheng Shen, Romit Roy Choudhury, Xue Yang, Lei Yang, A. Essanian, S. Golwalkar
NSDI, March 2017. [slides]

Extending Cell Tower Coverage through Drones
Ashutosh Dhekne, Mahanth Gowda, Romit Roy Choudhury
ACM HotMobile, February 2017. [slides]

Posters and Demos

Riding the Non-linearities to Record Ultrasound with Smartphones
Demo, ACM MobiSys 2017


2016

Millimeter Wave Communications: from Point-to-Point Links to Agile Network Connections
Haitham Hassanieh, Omid Abari, Michael Rodriguez, Dina Katabi
ACM HotNets, November 2016.

Tracking Drone Orientation with Multiple GPS Receivers
Mahanth Gowda, Justin Manweiler, Ashutosh Dhekne, Romit Roy Choudhury, Justin D. Weisz
ACM MobiCom, October 2016. [slides]

I am a Smartwatch and I can Track my User’s Arm
Sheng Shen, He Wang, Romit Roy Choudhury
ACM MobiSys, June 2016. [slides]

Listening through a Vibration Motor
Nirupam Roy, Romit Roy Choudhury
ACM MobiSys, June 2016. [slides]

Ripple II: Faster Communications through Physical Vibrations
Nirupam Roy, Romit Roy Choudhury
NSDI, March 2016. [slides]

Low Bandwidth Offload for Mobile AR
Puneet Jain, Justin Manweiler, Romit Roy Choudhury
ACM CoNEXT, December 2016. [slides]

The Case for Robotic Wireless Networks
Mahanth Gowda, Ashutosh Dhekne, Romit Roy Choudhury
WWW, April 2016. [slides]

Compressing Backoff in CSMA Networks
Mahanth Gowda, Nirupam Roy, Romit Roy Choudhury, Srihari Nelakuditi
IEEE ICNP, November 2016.

AutoLabel: Labeling Places from Pictures and Websites
Rufeng Meng, Sheng Shen, Romit Roy Choudhury, Srihari Nelakuditi
ACM UbiComp, September 2016. [slides]

Posters and Demos

A Millimeter Wave Software Defined Radio Platform with Phased Arrays
Poster, ACM MobiCom 2016
Winner of ACM MobiCom 2016 Student Research Competition (SRC)

Cell Tower Extension through Drones
Poster, ACM MobiCom 2016
Runners Up at ACM MobiCom 2016 Student Research Competition (SRC)

Arm Posture Tracking Using a Smartwatch
Extended Abstract, ACM MobiSys 2016 PhD Forum


2015

MoLe: Motion Leaks through Smartwatch Sensors
He Wang, Ted Tsung-Te Lai, Romit Roy Choudhury
ACM MobiCom, September 2015. [slides] [video] [presentation]

Experiences with eNav: A Low-power Vehicular Navigation System
Shaohan Hu, Lu Su, Shen Li, Shiguang Wang, Chenji Pan, Siyu Gu, Md Tanvir Amin, Hengchang Liu, Suman Nath, Romit Roy Choudhury, Tarek F. Abdelzaher
ACM UbiComp, September 2015.

Ripple: Communicating through Physical Vibrations
Nirupam Roy, Mahanth Gowda, Romit Roy Choudhury
NSDI, May 2015. [slides]

Securing RFIDs by Randomizing the Modulation and Channel
Haitham Hassanieh, Jue Wang, Dina Katabi, and Tadayoshi Kohno
NSDI, May 2015. [slides]

OverLay: Practical Mobile Augmented Reality
Puneet Jain, Justin Manweiler, Romit Roy Choudhury
ACM MobiSys, May 2015. [slides] [video demo] [presentation]

Visually Fingerprinting Humans without Face Recognition
He Wang, Xuan Bao, Romit Roy Choudhury, Srihari Nelakuditi
ACM MobiSys, May 2015. [slides]

Indoor Localization: Experiences and Lessons Learnt
Dimitrios Lymberopoulos, Jie Liu, Souvik Sen, Xue Yang, Romit Roy Choudhury, Vlado Handziski
ACM/IEEE IPSN, April 2015.

ActivPass: Your Daily Activity is Your Password
Sourav Dandapat, Swadhin Pradhan, Bivas Mitra, Romit Roy Choudhury, Niloy Ganguly
ACM CHI, April 2015. [slides]

Matching Physical Sites with Web Sites for Semantic Localization
Rufeng Meng, Sheng Shen, Romit Roy Choudhury, Srihari Nelakuditi
Workshop on Physical Analytics, May 2015. [slides]

SemanticSLAM: Using Environment Landmarks for Unsupervised Indoor Localization
H. Abdelnasir, R. Samir, A. Elgohary, M. Alzantot, H. Wang, S. Sen, R. Roy Choudhury, M. Youssef
IEEE Transactions on Mobile Computing, 2015.

Fast Multi-dimensional NMR Acquisition and Processing Using the Sparse FFT
Haitham Hassanieh, Maxim Mayzel, Lixin Shi, Dina Katabi, and Vladislav Yu Orekhov
Journal of Biomolecular NMR, Springer, 2015.

Posters and Demos

User Location Fingerprinting at Scale
Poster, ACM MobiCom 2015
Runners Up at ACM MobiCom 2015 Student Research Competition (SRC)

OverLay: Practical Mobile Augmented Reality
Demo, ACM HotMobile 2015
Awarded Best Demo


2014

Light Field Reconstruction Using Sparsity in the Continuous Fourier Domain
Lixin Shi, Haitham Hassanieh, Abe Davis, Dina Katabi and Fredo Durand
ACM SIGGRAPH, November 2014.

High-Throughput Implementation of a Million-Point Sparse Fourier Transform
Abhinav Agarwal, Haitham Hassanieh, Omid Abari, Ezz Hamed, Dina Katabi, and Arvind
IEEE FPL, September 2014.

Scalable Social Analytics for Live Viral Event Prediction
Puneet Jain, Justin Manweiler, Arup Acharya, Romit Roy Choudhury
ICWSM, June 2014.

I am a Smartphone and I can Tell my User’s Walking Direction
Nirupam Roy, He Wang, Romit Roy Choudhury
ACM MobiSys, June 2014. [slides]

GHz-Wide Sensing and Decoding Using the Sparse Fourier Transform
Haitham Hassanieh, Lixin Shi, Omid Abari, Ezzeldin Hamed, Dina Katabi
IEEE Infocom, April 2014. [slides]

Correlation Chemical Shift Imaging with Sparse-FFT and Real-time Motion and Shim Correction
Ovidiu Andronesi, Lixin Shi, Haitham Hassanieh, Wolfgang Bogner, Borjan Gagoski, Aaron Hess, Dylan Tisdall, Andre van der Kouwe, Dina Katabi, and Elfar Adalsteinsson
ENC, March 2014. [poster]

AccelPrint: Imperfections of Accelerometers Make Smartphones Trackable
Sanorita Dey, Nirupam Roy, Wenyuan Xu, Romit Roy Choudhury, Srihari Nelakuditi
NDSS, February 2014. [slides]

A 0.75 Million-Point Fourier Transform Chip for Frequency-Sparse Signals
Omid Abari, Ezz Hamed, Haitham Hassanieh, Abhinav Agarwal, Dina Katabi, Anantha Chandrakasan, and Vladimir Stojanovic
ISSCC, February 2014. [slides]

I am a Smartphone and I Know My User is Driving
Hon Chu, Vijay Raman, Jeffrey Shen, Aman Kansal, Victor Bahl, Romit Roy Choudhury
COMSNETS, January 2014. (Invited Paper)

Injecting Life into Toys
Songchun Fan, Hyojeong Shin, Romit Roy Choudhury
ACM HotMobile, February 2014. [slides]

Infrastructure Mobility: A What-if Analysis
Mahanth Gowda, Nirupam Roy, Romit Roy Choudhury
ACM HotNets, October 2014. [slides]

Backing out of Linear Backoff in Wireless Networks
Mahanth Gowda, Nirupam Roy, Romit Roy Choudhury, Srihari Nelakuditi
ACM HotWireless, September 2014.

D-BigBand: Sensing GHz-Wide Non-Sparse Spectrum on Commodity Radios
Lixin Shi, Haitham Hassanieh and Dina Katabi
ACM S3 Workshop, September 2014.

Posters and Demos

Unsupervised Indoor Localization (UnLoc): Beyond the Prototype
Video, ACM MobiSys 2014

Real-time Object Tagging and Retrieval
Demo, ACM MobiSys 2014

I am a Smartphone and I can Tell my Users Walking Direction
Demo, ACM MobiSys 2014

Recognizing Humans without Face Recognition
Demo, ACM MobiSys 2014


2013

FOCUS: Clustering Crowdsourced Videos by Line-of-Sight
Puneet Jain, Justin Manweiler, Arup Acharya, Kirk Beaty
ACM SenSys, November 2013. [slides]

Sample-Optimal Average-Case Sparse Fourier Transform in Two Dimensions
Badih Ghazi, Haitham Hassanieh, Piotr Indyk, Dina Katabi, Eric Price, Lixin Shi
Allerton, October 2013. [slides]

If You See Something, Swipe towards It: Crowdsourced Event Localization
Wentao Ouyang, Animesh Srivastava, Romit Roy Choudhury, Merideth Addicott, Francis McClernon
ACM UbiComp, September 2013. [slides]

Your Reactions Suggest You Like the Movie: Automatic Content Rating using Reaction Sensing
Xuan Bao, Songchun Fan, Romit Roy Choudhury, Alex Varshavsky, Kevin Li
ACM UbiComp, September 2013. [slides]
Best Paper Honorable Mention

Cooperative Packet Recovery in Enterprise WLANs
Mahanth Gowda, Souvik Sen, Romit Roy Choudhury, Sung-Ju Lee
IEEE Infocom, April 2013. [slides]

QuickSense: Fast and Energy Efficient Channel Sensing for Dynamic Spectrum Access
Sungro Yoon, Erran Li, Soung Liew, Romit Roy Choudhury, Injong Rhee, Kun Tan
IEEE Infocom, April 2013.

Predicting Length of Stay at WiFi Hotspots
Justin Manweiler, Naveen Santhapuri, Romit Roy Choudhury, Srihari Nelakuditi
IEEE Infocom, April 2013. [slides]

DataSpotting: Exploiting Naturally Clustered Mobile Devices to Offload Cellular Traffic
Xuan Bao, Yin Lin, Uichin Lee, Ivica Rimac,Romit Roy Choudhury
IEEE Infocom, (Mini Conference), April 2013.

MRS Sparse-FFT: Reducing Acquisition Time and Artifacts for In Vivo 2D Correlation Spectroscopy
Lixin Shi, Ovidiu Andronesi, Haitham Hassanieh, Badih Ghazi, Dina Katabi, and Elfar Adalsteinsson
ISMRM, April 2013. [poster]

Shift Finding in Sublinear Time
Alexander Andoni, Haitham Hassanieh, Piotr Indyk, and Dina Katabi
SODA, January 2013. [slides]

The Case for Psychological Computing
Xuan Bao, Mahanth Gowda, Ratul Mahajan, Romit Roy Choudhury
ACM HotMobile, February 2013.

Recognizing Humans without Face Recognition
He Wang, Xuan Bao, Romit Roy Choudhury, Srihari Nelakuditi
ACM HotMobile, February 2013. [slides]

TagSense: Automatically Captioning Pictures using Smartphones
Chuan Qin, Xuan Bao, Romit Roy Choudhury, Srihari Nelakuditi
IEEE Transactions on Mobile Computing, 2013.

A Novel Solution to the Energy Hole Problem in Sensor Networks
Mohamad Watfa, Haitham Al Hassaneih, and Samir Selman
Journal of Network and Computer Applications, 2013.

Posters and Demos

FOCUS: Clustering Crowdsourced Videos by Line-of-Sight
Demo, ACM SenSys 2013


2012

Helping Mobile Apps Bootstrap with Fewer Users
Xuan Bao, Aman Kansal, Romit Roy Choudhury, David Chu, Alec Wolman, Victor Bahl
ACM UbiComp, Sep 2012.

Faster GPS Via the Sparse Fourier Transform
Haitham Hassanieh, Fadel Adib, Dina Katabi, and Piotr Indyk
ACM MobiCom, August 2012. [slides]

Efficient and Reliable Low-Power Backscatter Networks
Jue Wang, Haitham Hassanieh, Dina Katabi, and Piotr Indyk
ACM SIGCOMM, August 2012. [slides] [poster]

Spot Localization using PHY Layer Information
Souvik Sen, Bozidar Radunovic, Romit Roy Choudhury
ACM MobiSys, June 2012.

No Need to War-Drive: Unsupervised Indoor Localization
He Wang, Souvik Sen, Ahmed Elgohary, M. Farid, Moustafa Youssef, Romit Roy Choudhury
ACM MobiSys, June 2012. [slides]

Satellites in Our Pockets: An Object Positioning System using Smartphones
Justin Manweiler, Puneet Jain, Romit Roy Choudhury
ACM MobiSys, June 2012. [slides]

TapPrints: Your Finger Taps have Fingerprints
Emiliano Miluzzo, Alex Varshavsky, Suhrid Balakrishnan, Romit Roy Choudhury
ACM MobiSys, June 2012.

Nearly Optimal Sparse Fourier Transform
Haitham Hassanieh, Piotr Indyk, Dina Katabi, and Eric Price
STOC, May 2012. [slides] [slides]

RxIP: Monitoring the Health of Home Wireless Networks
Justin Manweiler, Peter Franklin, Romit Roy Choudhury
IEEE Infocom, March 2012. [slides]

Simple and Practical Algorithm for Sparse Fourier Transform
Haitham Hassanieh, Piotr Indyk, Dina Katabi, and Eric Price
SODA, January 2012. [slides]

SpinLoc: Spin Once to Know Your Location
Souvik Sen, Romit Roy Choudhury, Srihari Nelakuditi
ACM HotMobile, February 2012.

CSMA/CN: Carrier Sense Multiple Access with Collision Notificatio
S. Sen, R. Roy Choudhury, S. Nelakuditi
IEEE/ACM Transactions on Networking, 2012.

Successive Interference Cancellation: Carving Out MAC Layer Opportunities
Souvik Sen, Naveen Santhapuri, Romit Roy Choudhury, Srihari Nelakuditi
IEEE Transactions on Mobile Computing, 2012. [slides]

Avoiding the Rush Hours: WiFi Energy Management via Traffic Isolation
J. Manweiler, R. Roy Choudhury
IEEE Transactions on Mobile Computing, 2012.

Posters and Demos

Saving Power for Mobile Phones via Partial Wi-Fi Scanning
Poster, ACM MobiSys 2012

Distributed Content Storage for Just-in-Time Streaming
Poster, ACM SIGCOMM 2012

No Need to War-Drive: Unsupervised Indoor Localization
Demo, ACM MobiSys 2012

Satellites in Our Pockets: An Object Positioning System using Smartphones
Demo, ACM MobiSys 2012

Lower the bar for app developers: Supporting Collaborative Sensing Applications
Poster, ACM MobiSys 2012


2011

No Time to CountDown: Migrating Backoff to the Frequency Domain
Souvik Sen, Romit Roy Choudhury, Srihari Nelakuditi
ACM MobiCom, September 2011. [slides]

They Can Hear Your Heartbeats: Non-Invasive Security for Implanted Medical Devices
Shyamnath Gollakota, Haitham Hassanieh, Ben Ransford, Dina Katabi and Kevin Fu
ACM SIGCOMM, August 2011. [slides]
Best Paper Award

Avoiding the Rush Hours: WiFi Energy Management for Mobile Devices
Justin Manweiler, Romit Roy Choudhury
ACM MobiSys, June 2011. [slides]
Best Paper Nominee, Invited to IEEE TMC Journal

TagSense: A Smartphone based Approach to Automatic Image Tagging
Chuan Qin, Xuan Bao, Romit Roy Choudhury, Srihari Nelakuditi
ACM MobiSys, June 2011. [slides]

Using Mobile Phones to Write in Air
Sandip Agrawal, Ionut Constandache, Sharavan Gaonkar, Romit Roy Choudhury
ACM MobiSys, June 2011.

SwitchBoard: A Matchmaking System for Multiplayer Mobile Games
Justin Manweiler, Sharad Agrawal, Ming Zhang, Romit Roy Choudhury, Victor Bahl
ACM MobiSys, June 2011. [slides]

PeerCast: Improving Link Layer Multicast through Cooperative Relaying
Jie Xiong, Romit Roy Choudhury
IEEE Infocom, April 2011.

The Case for Context-Aware Compression
Xuan Bao, T. Narayan, A. Sani, W. Richter, R. Roy Choudhury, L. Zhong, M. Satyanarayanan
ACM Hotmobile, February 2011.

Precise Indoor Localization using PHY Information
Souvik Sen, Bozidar Radunovic, Romit Roy Choudhury, Tom Minka
ACM Hotnets, November 2011.

LinkSense: Beyond Wireless Carrier Sensing
Naveen Santhapuri, Romit Roy Choudhury, Srihari Nelakuditi
IEEE Communication Letters, February 2011. [slides]

Shuffle: Transmission Reordering in Wireless Networks
J. Manweiler, N. Santhapuri, S. Sen, R. Roy Choudhury, S. Nelakuditi, K. Munagala
IEEE/ACM Transactions on Networking, 2011. [slides]

Smart Association Control In Wireless Mobile Environment Using Max-Flow
Sourav Dandapat, Bivas Mitra, Romit Roy Choudhury, Niloy Ganguly
IEEE/ACM Transactions on Network and Service Management, 2011. [slides]

Multi-Hop Wireless Energy Transfer in WSNs
Mohamad Watfa, Samir Selman, and Haitham Al Hassaneih
IEEE Communication Letters, 2011.

Posters and Demos

Avoiding the Rush Hours, WiFi Energy Management via Traffic Isolation
Demo, ACM MobiSys 2011
Awarded Demo Runner Up

Precise Indoor Localization with PHY Layer Information
Poster, ACM MobiSys 2011

You Driving? Talk to You Later
Poster, ACM MobiSys 2011
Awarded Best Poster

TagSense - Smartphone-based Approach to Automatic Image Tagging
Demo, ACM MobiSys 2011

Sniffing Traffic to Measure User Attention in a Conference
HotPlanet Workshop Data Contest (held with ACM MobiSys 2011)
Awarded Third Prize

How to Convince Your Dean that You are a Good Researcher
ACM Sigmobile Computer Communications Review (MC2R), Aug 2011.


2010

"Did You See Bob?": Human Localization using Mobile Phones
Ionut Constandache, Xuan Bao, Martin Azizyan, Romit Roy Choudhury
ACM MobiCom, September 2010.

CSMA/CN: Carrier Sense Multiple Access with Collision Notification
Souvik Sen, Romit Roy Choudhury, Srihari Nelakuditi
ACM MobiCom, September 2010. [slides]

SourceSync: A Distributed Wireless Architecture for Exploiting Sender Diversity
Hariharan Rahul, Haitham Hassanieh, and Dina Katabi
ACM SIGCOMM, September 2010. [slides]

MoVi: Mobile Phone based Video Highlights via Collaborative Sensing
Xuan Bao, Romit Roy Choudhury
ACM MobiSys, June 2010. [slides]

Sensor Assisted Wireless Communication
Naveen Santhapuri, Justin Manweiler, Souvik Sen, Xuan Bao, R. Roy Choudhury, S. Nelakuditi
IEEE LANMAN (Invited Paper), May 2010. [slides]

AccuRate: Constellation Based Rate Estimation in Wireless Networks
Souvik Sen, Naveen Santhapuri, Romit Roy Choudhury, Srihari Nelakuditi
NSDI, April 2010. [slides]

Towards Mobile Phone Localization without War-Driving
Ionut Constandache, Romit Roy Choudhury, Injong Rhee
IEEE Infocom, March 2010.

Listen (on the Frequency Domain) Before You Tal
Souvik Sen, Romit Roy Choudhury, Srihari Nelakuditi
ACM Hotnets, October 2010.

Successive Interference Cancellation: A Back-of-the-Envelope Perspective
Souvik Sen, Naveen Santhapuri, Romit Roy Choudhury, Srihari Nelakuditi
ACM Hotnets, October 2010.

Modeling Broadcasting using Directional Antennas in DTNs as an Epidemic Dynamics
F. Peruani, A. Maiti, S. Sadhu, H. Chate, R. Roy Choudhury, N. Ganguly
IEEE JSAC (Journal on Sel. Areas of Comm.), 2010.

P2DAP: Detecting Sybil Attacks in Vehicular Ad Hoc Networks
Tong Zhou, Romit Roy Choudhury, Krish Chakrabarty, Peng Ning
IEEE JSAC (Journal on Sel. Areas of Comm.), 2010.

Posters and Demos

Listen Before You Talk, But on the Frequency Domain
Poster, ACM MobiCom 2010

Fair Bandwidth Allocation in Wireless Network Using Max-Flow
Poster, ACM Sigcomm 2010

Sensor Assisted Wireless Communications
Poster, ACM MobiSys 2010

PHY Assisted Energy Management in Wireless Networks
Poster, ACM MobiSys 2010

DataSpots: Offloading Cellular Traffic via Managed P2P Transfers
Poster, ACM MobiCom 2010


2009

Order Matters: Transmission Reordering in Wireless Networks
Justin Manweiler, Naveen Santhapuri, Souvik Sen, Romit Roy Choudhury, Srihari Nelakuditi, Kamesh Munagala
ACM MobiCom, September 2009. [slides]

SurroundSense: Mobile Phone Localization Via Ambience Fingerprinting
Martin Azizyan, Ionut Constandache, Romit Roy Choudhury
ACM MobiCom, September 2009. [slides]

Hiding Stars with Fireworks: Location Privacy through Camouflage
Joseph Meyerowitz, Romit Roy Choudhury
ACM MobiCom, September 2009. [slides]

VUPoints: Collaborative Sensing and Video Recording through Mobile Phones
Xuan Bao, Romit Roy Choudhury
ACM MobiHeld (with ACM Sigcomm) August, 2009 [slides]

PhonePoint Pen: Using Mobile Phones to Write in Air
Sandip Agrawal, Ionut Constandache, Shravan Gaonkar, Romit Roy Choudhury
ACM MobiHeld (with ACM Sigcomm) August, 2009 Winner of Hoffmann Krippner Award

Stereosight: A Package for Viewing and Creating Stereogram Images
Haitham Al-Hassanieh, Amer Chamseddine, and Hassane Slaibi
FEASC, May, 2009. Best Undergraduate Paper Award

EnLoc: Energy Efficient Localization for Mobile Phones
Ionut Constandache, Shravan Gaonkar, Matt Sayler, Romit Roy Choudhury, Landon Cox
IEEE Infocom mini-conference, April, 2009.

Energy-efficient Localization Via Personal Mobility Profiling
Ionut Constandache, Shravan Gaonkar, Matt Sayler, Romit Roy Choudhury, Landon Cox
MobiCase, (Invited paper), October 2009.

Realtime Location Privacy Via Mobility Prediction: Creating Confusion at Crossroads
Joseph Meyerowitz, Romit Roy Choudhury
ACM Hotmobile, February, 2009.

Breaking Away from Collision Avoidance: Towards Collision Detection in Wireless Networks
Souvik Sen, Naveen Santhapuri, Romit Roy Choudhury, Srihari Nelakuditi
ACM Hotnets, October 2009.

Posters and Demos

The Wired Internet as a Control Channel for Residential Wireless LANs
Poster, ACM MobiCom 2009 SRC

Rethinking Collisions in Wireless Networks
Poster, ACM MobiCom 2009

SurroundSense: Mobile Phone Localization Using Ambient Sound and Light
Ext. Abstract, ACM MC2R
Winner of ACM Mobicom 2008 Student Research Competition (SRC)

>Highlights: Event Coverage in Mobile Social Networks
Poster, ACM MobiCom 2009 SRC
Runners Up at ACM MobiCom 2009 Student Research Competition (SRC)


2008

Link Layer Multicast using Smart Antennas: No Client Left Behind
Souvik Sen, Xiong Jie, Rahul Ghosh, Romit Roy Choudhury
IEEE ICNP, October, 2008. [slides]

AAMPL: Accelerometer Augmented Mobile Phone Localization
Andrew Offstad, Emmett Nicholas, Rick Szcodronski, Romit Roy Choudhury
ACM MELT, (with MobiCom 08), September, 2008. [slides]

Micro-Blog: Sharing and Querying Content through Mobile Phones and Social Participation
Shravan Gaonkar, Jack Li, Romit Roy Choudhury, Landon Cox, Al Schmidt
ACM MobiSys, June 2008. [slides]

Message in Message (MIM): A Case for Reordering Transmissions in Wireless Networks
N. Santhapuri, J. Manweiler, S. Sen, R. Roy Choudhury, S. Nelakuditi, K. Munagala
ACM Hotnets, October, 2008.

Aggregation in Sensor Networks: Optimally Trading Information for Energy
Jen Burge, Kamesh Munagala, Romit Roy Choudhury
Technical Report, January 2008 [slides]

Posters and Demos

BeamCast: Harnessing Beamforming Capabilities for Link Layer Multicast
Poster, ACM MobiCom 2008.

CacheCloak: Enabling Realtime Location Privacy for Mobile Users
Poster, ACM MobiCom 2008.

Energy-Aware Localization Using Mobile Phones
Poster, ACM MobiSys.


2007

Designing a Rate-Based Transport Protocol for Wired-Wireless Networks
Shravan Gaonkar, Romit Roy Choudhury, L. Magalhaes, Robin Kravets
IEEE Broadnets, Sep 2007.

Privacy-Preserving Detection of Sybil Attacks in Vehicular Ad Hoc Networks
Tong Zhou, Romit Roy Choudhury, Peng Ning, Krish Chakrabarty
Mobiquitous, Aug 2007. [slides]

MAC-Layer Capture: A Problem in Wireless Mesh Networks Using Beamforming Antennas
Romit Roy Choudhury, Nitin Vaidya
IEEE SECON, June 2007. [slides]

Posters and Demos

Capture-Aware Staggering for Concurrent Transmissions
Poster, ACM CoNext 2007.

Micro-Blog: Mapcasting from Mobile Phones to Virtual Sensor Maps
Poster + Demo, Mobicom and Sensys, 2007.

MobiPING: Pinging in Mobile Social Networks
Poster, HotMobile 2007.


2006 and earlier

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