International journals/conferences

• SPARCLE: Streaming Processing Applications over Dispersed Computing Networks
  Parisa Rahimzadeh, Jinsung Lee, Youngbin Im, Siun-Chuon Mau, Eric C. Lee, Bradford O. Smith, Fatemah Al-Duoli, Carlee Joe-Wong, and Sangtae Ha
  IEEE ICDCS 2020 (18% acceptance rate).
• FluidMem: Full Flexible and Fast Memory Disaggregation for the Cloud
  Blake Caldwell, Youngbin Im, Sepideh Goodarzy, Sangtae Ha, Richard Han, Eric Keller, and Eric Rozner
  IEEE ICDCS 2020 (18% acceptance rate).
• Towards Automated Network Management: Learning the Optimal Protocol Selction
  Xiaoxi Zhang, Siqi Chen, Youngbin Im, Maria Gorlatova, Sangtae Ha, and Carlee Joe-Wong
  IEEE ICNP 2019 (short paper – 19.3% acceptance rate).
• Optimal Learning-Based Network Protocol Selection
  Xiaoxi Zhang, Siqi Chen, Youngbin Im, Maria Gorlatova, Sangtae Ha, and Carlee Joe-Wong
  IEEE/ACM ISCA Workshop on Machine Learning for Systems 2019.
• ECHO: Efficiently Overbooking Applications to Create a Highly Available Cloud
  Parisa Rahimzadeh, Youngbin Im, Gueyoung Jung, Carlee Joe-Wong and Sangtae Ha
  IEEE ICDCS 2019 (19.6% acceptance rate).
• This is Your President Speaking: Spoofing Alerts in 4G LTE Networks
  Gyuhong Lee, Jihoon Lee, Jinsung Lee, Youngbin Im, Max Hollingsworth, Eric Wustrow, Dirk Grunwald and Sangtae Ha
  ACM MobiSys 2019 (40 out of 172 = 23.2% acceptance rate).
• CASTLE over the Air: Distributed Scheduling for Cellular Data Transmissions
  Jihoon Lee, Jinsung Lee, Youngbin Im, Sandesh Sathyanarayana, Parisa Rahimzadeh, Xiaoxi Zhang, Max Hollingworth, Carlee Joe-Wong, Dirk Grunwald and Sangtae Ha
  ACM MobiSys 2019 (40 out of 172 = 23.2% acceptance rate).
• Modeling MPTCP Performance
  Jinsung Lee, Youngbin Im, and Joohyung Lee
  IEEE Communications Letters, vol. 23, no. 4, pp. 616-619, April 2019.
• I Sent It: Where Does Slow Data Go to Wait?
  Youngbin Im, Parisa Rahimzadeh, Brett Shouse, Shinik Park, Carlee Joe-Wong, Kyunghan Lee, and Sangtae Ha
  EuroSys 2019 (45 out of 207 = 21.7% acceptance rate).
• Development of an EPIC Parallel Computing Framework to Facilitate Regional/Global Gridded Crop Modeling with Multiple Scenarios: A Case Study of the United States
  Won Seok Jang, Yonggwan Lee, Jason Neff, Youngbin Im, Sangtae Ha, Luca Doro
  Computers and Electronics in Agriculture, vol. 158, pp. 189-200, March 2019.
• SNN-Cache: A Practical Machine Learning-based Caching System Utilizing the Inter-relationships of Requests
  Youngbin Im, Prasanth Prahladan, Tae Hwan Kim, Yong Geun Hong, and Sangtae Ha
  CISS 2018.
• A Practical Evaluation of Rate Adaptation Algorithms in HTTP-based Adaptive Streaming
  Ibrahim Ayad, Youngbin Im, Eric Keller, and Sangtae Ha
  Elsevier Computer Networks, vol. 133, pp. 90-103, 14 March 2018.
• Calibrating Time-variant, Device-specific Phase Noise for COTS WiFi Device
  Jincao Zhu, Youngbin Im, Shivakant Mishra, and Sangtae Ha
  ACM Sensys 2017 (26 out of 152 = 17.1% acceptance rate).
• FLARE: Coordinated Rate Adaptation for HTTP Adaptive Streaming in Cellular Networks
  Youngbin Im, Jinyoung Han, Ji Hoon Lee, Yoon Kwon, Carlee Joe-Wong, Ted “Taekyoung” Kwon, and Sangtae Ha
  The 37th IEEE International Conference on Distributed Computing (ICDCS 2017), Atlanta, GA, USA, June 2017 (89 out of 531 = 16.8% acceptance rate). PDF
• SVC-TChain: Incentivizing Good Behavior in Layered P2P Video Streaming
  P. Rahimzadeh, C. Joe-Wong, K. Shin, Y. Im, J. Lee and S. Ha
  IEEE INFOCOM 2017 (292 out of 1395 = 20.93% acceptance rate).
• A Performance Analysis of Incentive Mechanism for Cooperative Computing
  C. Joe-Wong, Y. Im, K. Shin, and S. Ha
  IEEE ICDCS 2016 (68 out of 398 = 17.1% acceptance rate).
• AMUSE: Empowering Users for Cost-Aware Offloading with Throughput-Delay Tradeoffs
  Youngbin Im, Carlee Joe-Wong, Sangtae Ha, Soumya Sen, Ted “Taekyoung” Kwon, and Mung Chiang
  IEEE Transactions on Mobile Computing(TMC), vol. 15, no. 5, pp. 1062-1076, May 1 2016. PDF
• MASERATI: Mobile Adaptive Streaming based on Environmental and Contextual Information
  Dookyoon Han, Jinyoung Han, Youngbin Im, Myungchul Kwak, Ted “Taekyoung” Kwon, Yanghee Choi
  ACM International Workshop on Wireless Network Testbeds, Experimental Evaluation and Characterization(WiNTECH), Miami, Florida, USA, September 2013.
• AMUSE: Empowering Users for Cost-Aware Offloading with Throughput-Delay Tradeoffs
  Youngbin Im, Carlee Joe-Wong, Sangtae Ha, Soumya Sen, Ted “Taekyoung” Kwon, and Mung Chiang
  IEEE INFOCOM 2013 (mini-conference), Turin, Italy.
• TUBE: Time-Dependent Pricing for Mobile Data
  Sangtae Ha, Soumya Sen, Carlee-Joe Wong, Youngbin Im, Mung Chiang
  ACM SIGCOMM 2012. PDF
• Vertical Handovers in Multiple Heterogeneous Wireless Networks: A Measurement Study for the Future Internet
  Youngbin Im, Hakyung Jung, Ji Hoon Lee, Wonjun Yoon, Ted “Taekyoung” Kwon, and Yanghee Choi
  International Conference on Future Internet Technologies (CFI) 2010, Seoul, Korea, June 2010. PDF
• FIRM: Flow-based Interference-aware Route Management in Wireless Mesh Networks
  Youngbin Im, Jeongkeun Lee, Jinyoung Han, Sung-Ju Lee, and Ted “Taekyoung” Kwon
  IEEE Workshop on Wireless Mesh Networks (WiMesh), Rome, Italy, Jun. 2009. PDF
• Femtocell-based Testbed for Evaluating Future Cellular Networks
  Hakyung Jung, Ji Hoon Lee, Chulhyun Park, Youngbin Im, Taekyoung Kwon, and Yanghee Choi
  International Conferences on Future Internet Technologies (CFI) 2008, Seoul, Korea, June 2008. PDF

Technical Report

• FluidMem: Memory as a Service for the Datacenter
  Caldwell Blake, Youngbin Im, Sangtae Ha, Richard Han, and Eric Keller
  arXiv preprint arXiv:1707.07780 (2017). PDF

Patent

• METHOD AND APPARATUS FOR ASSIGNING VIDEO BITRATE IN MOBILE COMMUNICATION SYSTEM
  Hyungho Lee, Taekyoung Kwon, Jicheol Lee, Youngbin Im, Hanna Lim, Taejoong Chung, Dookyoon Han
  (United States Patent US9398337 B2) Jul 19, 2016.
• METHOD AND SYSTEM FOR VIDEO STREAMING
  Ted “Taekyoung” Kwon, Yanghee Choi, Donghyun son, Youngbin Im, Eunsang Cho
  (Pending 10-2014-0044198), 2014.04.14
• METHOD AND APPARATUS FOR ASSIGNING VIDEO BITRATE IN MOBILE COMMUNICATION SYSTEM
  Ted “Taekyoung” Kwon, Youngbin Im, Taejoong Chung, Dookyoon Han, Hyungho Lee, Jicheol Lee, Hanna Lim
  (pending, Korean application NO. P2013-0065634.), 2013
• METHOD AND APPRATUS FOR PRVENTING DUPLICATED TRANSMISSION UNDER STREAMING SERVICE
  Ted “Taekyoung” Kwon, Taejoong Chung, Youngbin Im, Dookyoon Han, Hyungho Lee, Jicheol Lee, Hanna Lim
  (pending, Korean application NO. P2013-0075777.), 2013
• METHOD FOR PROVIDING FOR A VIDEO STREAMING SERVICE AN MOBILE DEVICE THEREOF
  Ted “Taekyoung” Kwon, Dookyoon Han, Youngbin Im, Taejoong Chung, Hyungho Lee, Jicheol Lee, Hanna Lim
  (pending, Korean application NO. P2013-0066062.), 2013

Demo

• This is Your President Speaking: Spoofing Alerts in 4G LTE Networks
  Max Hollingsworth, Gyuhong Lee, Jihoon Lee, Jinsung Lee, Youngbin Im, Eric Wustrow, Dirk Grunwald and Sangtae Ha
  ACM MobiSys 2019.
• CASTLE over the Air: Distributed Scheduling for Cellular Data Transmissions
  Sandesh Sathyanarayana, Jihoon Lee, Jinsung Lee, Youngbin Im, Parisa Rahimzadeh, Xiaoxi Zhang, Max Hollingworth, Carlee Joe-Wong, Dirk Grunwald and Sangtae Ha
  ACM MobiSys 2019.
• Demo: Pricing by Timing for Mobile Data
  S. Ha, S. Sen, C. Joe-Wong, J. Mifkovich, R. Rill, Y. Im, D. Butnariu, J. Bawa and M. Chiang
  IEEE INFOCOM 2012.
• RBP: RSS-based Prediction of Carrier Sense and Interference in 802.11 Networks
  ACM MobiCom 2007.

Awards

• This is Your President Speaking: Spoofing Alerts in 4G LTE Networks
  Gyuhong Lee, Jihoon Lee, Jinsung Lee, Youngbin Im, Max Hollingsworth, Eric Wustrow, Dirk Grunwald and Sangtae Ha
  Best Paper Award at ACM MobiSys 2019.
• RBP: RSS-based Prediction of Carrier Sense and Interference in 802.11 Networks
  Awards in ACM MobiCom 2007 Student Demo Competition.
  The Popular Demo Award, voted as the best demo by the ACM MobiCom participants, and second place award, voted by the ACM MobiCom Student Demo Competition judges