2013

Wireless Networking The Case for Psychological Computing, Xuan Bao, Mahanth Gowda, Ratul Mahajan, Romit Roy Choudhury ACM HotMobile, February 2013. Cooperative Packet Recovery in Enterprise WLANs, Mahanth Gowda, Souvik Sen, Romit Roy Choudhury, Sung-Ju Lee IEEE Infocom, April 2013. 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. 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.

Mobile Computing Recognizing Humans without Face Recognition, He Wang, Xuan Bao, Romit Roy Choudhury, Srihari Nelakuditi ACM HotMobile, February 2013. Predicting Length of Stay at WiFi Hotspots, Justin Manweiler, Naveen Santhapuri, Romit Roy Choudhury, Srihari Nelakuditi IEEE Infocom, April 2013. TagSense: Automatically Captioning Pictures using Smartphones, Chuan Qin, Xuan Bao, Romit Roy Choudhury, Srihari Nelakuditi IEEE Transactions on Mobile Computing, Feb 2013.

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2012

Wireless Networking Spot Localization using PHY Layer Information, Souvik Sen, Bozidar Radunovic, Romit Roy Choudhury ACM MobiSys, June 2012. RxIP: Monitoring the Health of Home Wireless Networks, Justin Manweiler, Peter Franklin, Romit Roy Choudhury IEEE Infocom, March 2012. CSMA/CN: Carrier Sense Multiple Access with Collision Notification, 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. 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

Mobile Computing Helping Mobile Apps Bootstrap with Fewer Users, Xuan Bao, Aman Kansal, Romit Roy Choudhury, David Chu, Alec Wolman, Victor Bahl ACM UbiComp, Sep 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. Satellites in Our Pockets: An Object Positioning System using Smartphones, Justin Manweiler, Puneet Jain, Romit Roy Choudhury ACM MobiSys, June 2012. TapPrints: Your Finger Taps have Fingerprints, Emiliano Miluzzo, Alex Varshavsky, Suhrid Balakrishnan, Romit Roy Choudhury ACM MobiSys, June 2012. SpinLoc: Spin Once to Know Your Location, Souvik Sen, Romit Roy Choudhury, Srihari Nelakuditi ACM HotMobile, Feb 2012. Avoiding the Rush Hours: WiFi Energy Management via Traffic Isolation, J. Manweiler, R. Roy Choudhury IEEE Transactions on Mobile Computing, 2012. Posters and Demos 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

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2011

Wireless Networking Precise Indoor Localization using PHY Information, Souvik Sen, Bozidar Radunovic, Romit Roy Choudhury, Tom Minka ACM Hotnets, November 2011. No Time to CountDown: Migrating Backoff to the Frequency Domain, Souvik Sen, Romit Roy Choudhury, Srihari Nelakuditi ACM MobiCom, September 2011. PeerCast: Improving Link Layer Multicast through Cooperative Relaying, Jie Xiong, Romit Roy Choudhury IEEE Infocom, April 2011. LinkSense: Beyond Wireless Carrier Sensing, Naveen Santhapuri, Romit Roy Choudhury, Srihari Nelakuditi IEEE Communication Letters , Feb 2011. 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. 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. 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

Mobile Computing Avoiding the Rush Hours: WiFi Energy Management for Mobile Devices, Justin Manweiler, Romit Roy Choudhury ACM MobiSys, June 2011. 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. 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. The Case for Context-Aware Compression, Xuan Bao, T. Narayan, A. Sani, W. Richter, R. Roy Choudhury, L. Zhong, M. Satyanarayanan ACM Hotmobile, Feb 2011. Posters and Demos 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

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2010

Wireless Networking Listen (on the Frequency Domain) Before You Talk 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. CSMA/CN: Carrier Sense Multiple Access with Collision Notification Souvik Sen, Romit Roy Choudhury, Srihari Nelakuditi ACM MobiCom, September 2010. AccuRate: Constellation Based Rate Estimation in Wireless Networks Souvik Sen, Naveen Santhapuri, Romit Roy Choudhury, Srihari Nelakuditi NSDI, April 2010. Sensor Assisted Wireless Communication Naveen Santhapuri, Justin Manweiler, Souvik Sen, Xuan Bao, R. Roy Choudhury, S. Nelakuditi IEEE LANMAN (Invited Paper), May 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 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

Mobile Computing "Did You See Bob?": Human Localization using Mobile Phones Ionut Constandache, Xuan Bao, Martin Azizyan, Romit Roy Choudhury ACM MobiCom, September 2010. MoVi: Mobile Phone based Video Highlights via Collaborative Sensing Xuan Bao, Romit Roy Choudhury ACM MobiSys, June 2010. Towards Mobile Phone Localization without War-Driving Ionut Constandache, Romit Roy Choudhury, Injong Rhee IEEE Infocom, March 2010. Posters DataSpots: Offloading Cellular Traffic via Managed P2P Transfers Poster, ACM MobiCom 2010

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2009

Wireless Networking Breaking Away from Collision Avoidance: Towards Collision Detection in Wireless Networks Souvik Sen, Naveen Santhapuri, Romit Roy Choudhury, Srihari Nelakuditi ACM Hotnets, October 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 PDF, Flash] Posters 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

Mobile Computing SurroundSense: Mobile Phone Localization Via Ambience Fingerprinting Martin Azizyan, Ionut Constandache, Romit Roy Choudhury ACM MobiCom, September 2009. [slides PDF| Press Release] Hiding Stars with Fireworks: Location Privacy through Camouflage Joseph Meyerowitz, Romit Roy Choudhury ACM MobiCom, September 2009. [slides ppt] Energy-efficient Localization Via Personal Mobility Profiling Ionut Constandache, Shravan Gaonkar, Matt Sayler, Romit Roy Choudhury, Landon Cox MobiCase (Invited paper), October 2009. EnLoc: Energy Efficient Localization for Mobile Phones Ionut Constandache, Shravan Gaonkar, Matt Sayler, Romit Roy Choudhury, Landon Cox IEEE Infocom mini-conference, April, 2009. VUPoints: Collaborative Sensing and Video Recording through Mobile Phones Xuan Bao, Romit Roy Choudhury ACM MobiHeld (with ACM Sigcomm) August, 2009 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 ... video and press release Realtime Location Privacy Via Mobility Prediction: Creating Confusion at Crossroads Joseph Meyerowitz, Romit Roy Choudhury ACM Hotmobile, February, 2009. Posters 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)

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2008

Wireless Networking Link Layer Multicast using Smart Antennas: No Client Left Behind Souvik Sen, Xiong Jie, Rahul Ghosh, Romit Roy Choudhury IEEE ICNP, October, 2008. 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, Jan 2008. Posters BeamCast: Harnessing Beamforming Capabilities for Link Layer Multicast Poster, ACM MobiCom 2008.

Mobile Computing 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. AAMPL: Accelerometer Augmented Mobile Phone Localization Andrew Offstad, Emmett Nicholas, Rick Szcodronski, Romit Roy Choudhury ACM MELT (with MobiCom 08), September, 2008. Posters CacheCloak: Enabling Realtime Location Privacy for Mobile Users Poster MobiCom 2008. Energy-Aware Localization Using Mobile Phones Poster, ACM MobiSys, June 2008.

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2007

Wireless Networking Designing a Rate-Based Transport Protocol for Wired-Wireless Networks Shravan Gaonkar, Romit Roy Choudhury, L. Magalhaes, Robin Kravets IEEE Broadnets, Sep 2007. MAC-Layer Capture: A Problem in Wireless Mesh Networks Using Beamforming Antennas Romit Roy Choudhury, Nitin Vaidya IEEE SECON, June 2007. Posters Capture-Aware Staggering for Concurrent Transmissions Poster, ACM CoNext 2007.

Mobile Computing Privacy-Preserving Detection of Sybil Attacks in Vehicular Ad Hoc Networks Tong Zhou, Romit Roy Choudhury, Peng Ning, Krish Chakrabarty Mobiquitous, Aug 2007. Posters and Demos 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.

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2006 and Earlier

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