Joohyun Lee, Ph. D. Postdoctoral Researcher 655 Dreese Laboratory, 2015 Neil Ave, Department of Electrical and Computer Engineering, The Ohio State University, Columbus OH, 43210 Email: lee.7119@osu.edu URL: https://sites.google.com/site/joohyunleepage Research Interests! Context-Aware Networking and Computing! Energy-efficient Mobile Networking! Mobility-driven Cellular Traffic Offloading! Protocol Design and Analysis for Delay Tolerant Networks! Human Behavior Learning and Prediction! Game-theoretic Economic Analysis and Pricing Education Integrated M.S. & Ph.D, Electrical Engineering, February 2008 - February 2014 Korea Advanced Institute of Science and Technology (KAIST) Thesis: Mobility-driven Wireless Offloading System: Architecture, Scheduling and Economic Analysis Advisor: Prof. Song Chong and Prof. Yung Yi B.S., Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST) March 2004 - February 2008 Chonnam Science High School, Korea (One Year Early Graduation) March 2002 - February 2004 Research Experience Postdoctoral Researcher Department of ECE, The Ohio State University Host: Prof. Ness B. Shroff September 2014 - Present Postdoctoral Researcher March 2014 - August 2014 Department of EE, Korea Advanced University of Science and Technology (KAIST) Host: Prof. Song Chong! Designing an energy-efficient mobile network collaboration framework for mobile devices! Implementation of cellular traffic offloading on an Android platform! Architecture design for cellular traffic offloading Accepted Research Project Proposals! Enabling Mobile mmwave Communication: Achieving Low Power anddelay via a Hybrid RF Design! Sponsor: NSF! Period: Aug. 1, 2016- Jul. 30, 2019! PIs: C. Emre Koksal, Ness B. Shroff, and Kubilay Sertel! Task: Energy-efficient and Low-Delay Communication
Awards! IEEE ComSoc William R. Bennett Prize of 2016! Paper: Mobile Data Offloading: How Much Can WiFi Deliver?, IEEE/ACM Transactions on Networking, Volume 21, No. 2, pp. 536-551, April 2013.! Samsung Humantech (National Annual Research Paper Award in Korea)! Gold Prize (2012, 2015), Silver Prize (2017), Bronze Prize (2016)! National Scholarship at KAIST, 2004-2013! Student Travel Grant (ACM SIGCOMM), 2010! National Research Scholarship at Korea Student Aid Foundation (KOSAF), 2008-2009! Samsung SDS Scholarship, 2004-2007 Teaching Experience! Guest Lecturer in ECE 862 / CSE 862 Computer Communication Networks II (Fall, 2016, OSU)! Teaching assistant in EE405, Electronics Design Lab (Spring, 2012, KAIST)! Teaching assistant in EE205, Data Structures and Algorithms for Electrical Engineering (Fall, 2010, KAIST)! Teaching assistant in EE827/TE800, Parallel and Distributed Computations (Fall, 2009, KAIST) Publications International Journal Papers (* indicates the corresponding author) [J1] Joohyun Lee, Kyunghan Lee*, Euijin Jeong, Jaemin Jo, and Ness B. Shroff, CAS: Context-aware Background Application Scheduling in Interactive Mobile Systems, IEEE Journal on Selected Areas in Communications - Special issue on Human-In-The-Loop Mobile Networks (IF: 3.672), vol. 35, no. 5, pp. 1013-1029, 2017. [J2] Xiang Chen, Wei Chen*, Joohyun Lee, and Ness B. Shroff, Delay-Optimal Buffer-Aware Scheduling with Adaptive Transmission, IEEE Transactions on Communications (IF: 2.298), accepted. [J3] Joohyun Lee, Kyunghan Lee*, Yeongjin Kim and Song Chong, CarrierMix: How Much Can Userside Carrier Mixing Help?, IEEE Transactions on Mobile Computing (IF: 2.456), vol. 16, no. 1, pp. 16-29, 2017. [J4] Joohyun Lee, Kyunghan Lee*, Choongwoo Han, Taehoon Kim and Song Chong, Resource-efficient Mobile Multimedia Streaming with Adaptive Network Selection, IEEE Transactions on Multimedia (IF: 2.536), vol. 18, no. 12, pp. 2517-2527, December 2016. [J5] Jeongho Kwak, Yeongjin Kim*, Joohyun Lee, and Song Chong, DREAM: Dynamic Resource and Task Allocation for Energy Minimization, IEEE Journal on Selected Areas in Communications - Series on Green Communications and Networking (IF:3.672), vol. 33, no. 12, pp. 2510-2523, December 2015. [J6] Joohyun Lee*, Yung Yi, Song Chong and Youngmi Jin, Economics of WiFi Offloading: Trading Delay for Cellular Capacity, IEEE Transactions on Wireless Communications (IF: 2.925), vol. 13, no. 3, pp. 1540-1554, March 2014. [J7] Kyunghan Lee, Joohyun Lee*, Yung Yi, Injong Rhee and Song Chong, Mobile Data Offloading: How Much Can WiFi Deliver?, IEEE/ACM Transactions on Networking (IF: 2.576), vol. 21, no. 2, pp. 536-550, April 2013 (Google citation count: 163). [J8] Jihwan Kim*, Joohyun Lee, Kyuho Son, Seungho Song and Song Chong, Two-hop Opportunistic Scheduling in Cooperative Cellular Networks, IEEE Transactions on Vehicular Technology (IF: 2.243), vol. 16, no. 9, pp. 1388-1391, September 2012.
International Conference Papers [C1] Joohyun Lee, Fang Liu, Kyunghan Lee, and Ness B. Shroff, imute: Energy-optimal Udate Policy for Perishable Mobile Contents, IEEE ICNP (Acceptance Rate: 18.66% = 39/209), Toronto, Canada, 2017. [C2] Wooseung Nam, Joohyun Lee, and Kyunghan Lee, SyncCoding: A Compression Technique Exploiting References for Data Synchronization Services, IEEE ICNP (Acceptance Rate: 18.66% = 39/209), Toronto, Canada, 2017. [C3] Xiang Chen, Wei Chen, Joohyun Lee, and Ness B. Shroff, Delay-Optimal Probabilistic Scheduling in Green Communications with Arbitrary Arrival and Adaptive Transmission, IEEE ICC, Paris, France, 2017. [C4] Joohyun Lee, Jaewook Kwak, Hyang-Won Lee, and Ness B. Shroff, Finding Minimum Node Separators: A Markov Chain Monte Carlo Method, International Conference on Design of Reliable Communication Networks (DRCN), Munich, Germany, 2017. [C5] Joohyun Lee, Kyunghan Lee, Euijin Jeong, Jaemin Jo, and Ness B. Shroff, Context-aware Application Scheduling in Mobile Systems: What Will Users Do and Not Do Next?, ACM UbiComp (Ubiquitous Computing) (Acceptance Ratio: 23.7% = 114/481), Heidelberg, Germany, 2016. [C6] Sunjung Kang, Changhee Joo, and Joohyun Lee, Pricing for Past Channel State Information in Multi-Channel Cognitive Radio Networks, IEEE WiOpt, Tempe, Arizona, 2016. [C7] Yeongjin Kim, Joohyun Lee, Jaeseong Jeong, and Song Chong, Multi-flow Rate Control in Delayed Wi-Fi Offloading Systems, ICOIN, January 2016. [C8] Joohyun Lee, Kyunghan Lee, Yeongjin Kim and Song Chong, PhonePool: On Energy-efficient Collaborative Tethering with Provider Aggregation, IEEE SECON (Acceptance Ratio: 19.9% = 68/342), Singapore, July 2014. [Slides] [C9] Joohyun Lee, Yung Yi, Youngmi Jin and Song Chong, Economics of WiFi Offloading: Trading Delay for Cellular Capacity, IEEE INFOCOM SDP workshop, Turin, Italy, April 2013. [Slides] [C10] Kyunghan Lee, Joohyun Lee, Yung Yi, Injong Rhee and Song Chong, Mobile Data Offloading: How Much Can WiFi Deliver?, ACM CoNEXT (Acceptance Ratio: 19.0% = 28/147), Philadelphia, PA, December 2010. [C11] Kyunghan Lee, Joohyun Lee, Yung Yi, Injong Rhee and Song Chong, Mobile Data Offloading: How Much Can WiFi Deliver?, ACM SIGCOMM poster session, New Delhi, India, September 2010. [C12] Jaeseong Jeong, Joohyun Lee, Yeongjin Kim, Jae Woong Lee and Song Chong, Impact of Surrounding Information on Wi-Fi Sensing Efficiency, ICTC, Jeju, Korea, October 2013. [C13] Joohyun Lee, Kyunghan Lee, Jaesung Jung, and Song Chong, Performance Evaluation of a DTN as a City-wide Infrastructure Network, International Conference on Future Internet Technologies (CFI), June 2009. Theses Ph. D. thesis, Mobility-driven Wireless Offloading System: Architecture, Scheduling and Economic Analysis, Department of Electrical Engineering, KAIST. Domestic Journal and Conference Papers [1] Jaeseong Jeong, Kyunghan Lee, Joohyun Lee and Song Chong, DTN Routing Method using Spatial Regularity in Urban Area, Information & Communication Magazine, vol. 36, no. 6, pp. 551-625, 2011. [2] Joohyun Lee, Kyuho Son, Jeongho Jeon and Song Chong, Efficient resource allocation in an uplink two-hop-relay cellular system, Journal of Information Network Society, vol. 23, no. 3, 2009. [3] Joohyun Lee, Yung Yi and Song Chong, Congestion-Dependent Pricing in Heterogeneous Networks, SWCC, August 2011. [4] Jaeseong Jeong, Kyunghan Lee, Joohyun Lee and Song Chong, DTN Routing Method using Spatial
Regularity in Urban Area, JCCI (Joint Conference on Communications and Information), April 2010. [5] Jihwan Kim, Joohyun Lee, Kyuho Son and Song Chong, An efficient mobile relay selection algorithm in a cellular system with group mobility model, JCCI (Joint Conference on Communications and Information), April 2010. [6] Joohyun Lee, Kyuho Son, Jeongho Jeon and Song Chong Spatial reuse in an uplink cellular system with relay stations, JCCI (Joint Conference on Communications and Information), April 2008. Patents [P1] Bongchan Kim, Song Chong, Soonyoung Yoon, Jihyun Lee, Joohyun Lee, Youngki Kim and Kyuho Son, Apparatus and method for supporting peer to peer communication in broadband wireless communication system, US Patent, Publication number: US 8,295,241 B2, October 23, 2012. [P2] Bongchan Kim, Song Chong, Soonyoung Yoon, Jihyun Lee, Joohyun Lee, Youngki Kim and Kyuho Son, Apparatus and method for supporting peer to peer communication in broadband wireless communication system, Korea Patent Applied, Application number: 10-2009-0029718, April 7, 2009. [P3] Joohyun Lee, Yung Yi, Kyoungsoo Park and Song Chong, Method and Apparatus for providing a reservation transmission of non-realtime content in heterogeneous network environment, International PCT (Patent Cooperation Treaty) Applied, Application number: PCT/KR2012/010475, December 5, 2012. [P4] Joohyun Lee, Yung Yi, Kyoungsoo Park and Song Chong, Method and Apparatus for providing a reservation transmission of non-realtime content in heterogeneous network environment, Korea Patent, Publication number: 101408642, June 11, 2014. [P5] Sangil Lee, Song Chong, Joohyun Lee and Jihwan Kim, Method for transferring data using mobile relay in network with group mobility and device thereof, Korea Patent, Publication number: 101153301, May 5, 2012. [P6] Sangil Lee, Song Chong, Joohyun Lee and Jihwan Kim, Method for data transmitting and receiving of a base station and mobile terminals, and data transmitting system, Korea Patent, Publication number: 101337539, November 29, 2013. [P7] Sangil Lee, Song Chong, Jihwan Kim and Joohyun Lee, Device for transferring data, method for transferring data and system for transferring data using service level agreement information, Korea Patent, Publication number: 101339106, December 3, 2013. [P8] Song Chong, Yeongjin Kim, Joohyun Lee, Jaesung Jung, Method for Scheduling Data Transmission in Heterogeneous Network, Korea Applied, Korea Patent Applied, Application number: 10-2013- 0158724, December 18, 2013. Research Projects! Enabling Mobile mmwave Communication: Achieving Low Power and Delay via a Hybrid RF Design! Sponsor: NSF! Period: 2016. 8 ~ 2019. 7! Task: Energy-efficient and Low-Delay Communication! Modeling, analysis and control for robust interdependent networks! Sponsor: Defense Threat Reduction Agency (DTRA)! Period: 2014. 9 ~ 2019. 9! Task: Analysis and design of robust cyber-physical systems! Multivariate Heavy Tail Phenomena: Modeling and Diagnostics! Sponsor: ARO (Army Research Office)! Period: 2012. 9 ~ 2017. 9! Task: Human behavior learning, Design of context-aware and energy-efficient application scheduling for mobile devices! Designing a Generalized Context-awareness Engine for Mobile Devices! Sponsor: SK Telecom
! Period: 2012. 11 ~ 2013. 9! Task: Designing an energy-efficient mobile network collaboration framework for mobile devices! Delay-Tolerant Network (DTN) Technology for Wireless Cellular and Sensor Networks! Sponsor: Korea Communications Commission! Period: 2011. 3 ~ 2013. 12! Task: Architecture design for cellular traffic offloading, Economic analysis of cellular traffic offloading, Implementation of cellular traffic offloading on an Android platform! Multiple Access/Admission Control for Super High-Speed Moving Object! Sponsor: Agency for Defense Development (ADD), Korea! Period: 2009. 1 ~ 2011. 12! Task: Resource allocation and admission control in wireless communication system for highspeed moving objects! OFDM Based Next Generation Broadband Mobile Access Technology! Sponsor: IT Research Center, Korea! Period: 2008. 3 ~ 2012. 12! Task: Resource allocation for OFDM based broadband mobile system! 4G Autonomous Communication and Mobile/Nomadic Integration Systems! Sponsor: Samsung Electronics Ltd.! Period: 2008. 3 ~ 2008. 12! Task: Designing peer to peer communication protocol in broadband wireless system! Undergraduate Research Program! Sponsor: KAIST! Period: 2007. 8 ~ 2007. 12! Task: Resource allocation for mobile relay stations Reference Available on Request! Prof. Song Chong (KAIST, Korea, E-mail: songchong@kaist.edu)! Prof. Yung Yi (KAIST, Korea, E-mail: yiyung@kaist.edu)! Prof. Ness B. Shroff (The Ohio State University, USA, E-mail: shroff.11@osu.edu)! Prof. Kyunghan Lee (UNIST (Ulsan National Institute of Science and Technology), Korea, E-mail: khlee@unist.ac.kr)! List of Other Collaborators! Prof. Wei Chen (Tsinghua University, E-mail: wchen@tsinghua.edu.cn)! Prof. Changhee Joo (UNIST, Korea, E-mail: cjoo@unist.ac.kr)! Prof. Hyang-Won Lee (KonKuk University, E-mail: leehw@konkuk.ac.kr)! Dr. Jaewook Kwak (The Ohio State University, E-mail: kwak.84@osu.edu)! Dr. Youngmi Jin (KDDI, Japan)! Dr. Kyuho Son (T mobile, USA)! Dr. Jaeseong Jeong (Ericsson, Sweden)! Dr. Jeongho Kwak (INRS, Canada)! Dr. Jihwan Kim (Samsung Electronics)