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• Academic Advisor: Professor Wonjun Lee
   
• Education
• Ph.D. and M.S. (Uni-Course) in Division of Computer and Communication Engineering, Korea University, Seoul, Korea (2012)
• B.S. in Dept. of Computer Science and Engineering, Korea University, Seoul, Korea (2004)

• Research Interests
• Cooperative Communication
• Topology control
• Routing
• Incentive Model
• Data Center Networks
• Radio Freuency IDentification (RFID)
• Reader Anti-Collision
   
• Publications
• International Journal Publications
• J. Yu, H. Roh, W. Lee, S. Pack and D.-Z. Du, "Topology Control in Cooperative Wireless Ad-Hoc Networks,"
  IEEE Journal on Selected Areas in Communications (JSAC), Vol. 30, No. 9, pp. 1771-1779, October 2012.
• J. Yu, W. Lee and D.-Z. Du, "Reducing Reader Collision for Mobile RFID,"
  IEEE Transactions on Consumer Electronics (TCE), vol. 57, no. 2, pp. 574-582, May 2011.
• X. Zhu, J. Yu, W. Lee, D. Kim, S. Shan, and D.-Z. Du, "New Dominating Sets in Social Networks,"
  Journal Of Global Optimization (JOGO), Springer-Verlag, vol. 48, no. 4, pp. 633-642, December 2010.
• J. Yu, H. Roh, J. Cao, S. Pack, W. Lee, D.-Z. Du, and S. Hong, "Topology Control for Increasing Connectivity in Cooperative Wireless Ad Hoc Networks,"
  IEICE Transactions on Communications (Letter), vol. E93-B, no. 4, April 2010.
• J. Choi, D. Lee, J. Yu, K. Kim, and W. Lee, "On the Calculation of the Maximal MOT Throughput in T-DMB,"
  IEEE Transactions on Consumer Electronics (TCE), vol. 53, no. 3, pp. 877-884, August 2007.
• W. Lee, E. Kim, J. Yu, D. Lee, J. Choi, J. Kim, and C. Shin, "UbiComm: An Adaptive Vertical Handoff Decision Scheme for Heterogeneous Wireless Networks,"
  Lecture Notes in Computer Science (LNCS), Vol. 4239, pp. 344-356, as Proc. of the 2006 International Symposium on Ubiquitous Computing Systems (UCS 2006), COEX, Seoul, Korea, October 2006 (acceptance ratio= 11.7%, 42/359).
• International Conference Publications
• G. Kim, H. Park, J. Yu, and W. Lee, "Virtual Machines Placement for Network Isolation in Clouds,"
  in Proc. ACM Research in Applied Computation Symposium (ACM RACS 2010), San Antonio, TX, USA, October 2012.
• J. Yu, H. Roh, W. Lee, S. Pack, and D.-Z. Du, "Cooperative Bridges: Topology Control in Cooperative Wireless Ad Hoc Networks,"
  in Proc. the 29th IEEE Conference on Computer Communications (IEEE INFOCOM 2010), San Diego, CA, USA, March 2010 (acceptance ratio=17.52%, 276/1575).
• J. Yu, S. Ahn, W. Lee, and D.-Z. Du, "Cooperative Routing in Wireless Multihop Relay Networks,"
  in Proc. IEEE International Conference on Wireless & Information Technology (IEEE CEWIT 2009), New York, USA, October 2009. (extended abstract)
• J. Cao  J. Yu, K. Kim,  and W. Lee, "Behavioral Learning of Exposed Terminals in IEEE 802.11 Wireless Networks,"
  in Proc. the 1st International Conference on Ubiquitous and Future Networks (IEEE ICUFN 2009), Hong Kong, China, June 2009.
• J. Yu and W. Lee, "GENTLE: Reducing Reader Collision in Mobile RFID Networks,"
  in Proc. the 4th International Conference on Mobile Ad-hoc and Sensor Networks (IEEE MSN 2008), Wuhan, China, December 2008.
• J. Yu, H. Roh, J. Cao, W. Lee, and S. Pack,  "Cooperative Bridges: Towards Energy-Efficient Topology Control for Cooperative Wireless Ad Hoc Networks,"
  the 14th ACM Annual International Conference on Mobile Computing and Networking (ACM Mobicom 2008) - Poster Session, San Francisco, CA, USA, September 2008.             
• J. Choi, J. Yu, D. Lee, S. Kim, and W. Lee, "Impacts of Repetitions and Segment Size Variability on Object-Level Throughput in T-DMB,"
  in Proc. the International Conference on Consumer Electronics (IEEE ICCE 2007), Las Vegas, USA, January 2007.
• J. Kim, W. Lee, J. Yu, J. Myung, E. Kim, and C. Lee, "Effect of Localized Optimal Clustering for Reader Anti-Collision in RFID Networks: Fairness Aspect to the Readers,"
  in Proc. the 14th IEEE Internatonal Conference on Computer Communications and Networks (IEEE ICCCN 2005), San Diego, CA, USA, October 2005.
• Domestic Conference Publications
• J. Yu, H. Park, S. Lee, D. Kim, and W. Lee, "Cooperative Routing in Wireless Multihop Relay Networks,"
  in Proc. the Conference of Korean Institute of Information Scientists and Engineers (KIISE 2012-Fall), Seoul, Republic of Korea, November 2011. (in Korean)
• J. Kim, W. Lee, E. Kim, J. Yu, J. Myung, and C. Lee, "Effect of Localized Optimal Clustering for Reader Anti-Collision in RFID Networks: Fairness Aspect to the Readers,"
  in Proc. the Conference of Korean Institute of Communication Sciences (KICS 2005-Summer), Yongpyong, Republic of Korea, 30 June - 2 July 2005. (in Korean)
   
• Patents
• W. Lee and J. Yu, "Apparatus and method for controlling topology of wireless ad-hoc networks, node device of wireless ad-hoc network and method for communication link formation of node device of wireless ad-hoc network," Korea Patent Number: 10-1034557, (May 4, 2011), Korea Patent Application: 10-2009-0064786 (July 16, 2009).
• H. Jang, W. Lee, J. Yu, and J. Choi, "RFID Reader with Reader Anti-Collision Protocol and Operate Method Threreof," Korea Patent Application, 10-2008-0076490 (pending: filed on August 5, 2008).

• Awards and Honors
• Excellent Research Award, College of Information and Communication, Korea University, February 2012.
• Bronze Prize Award at the 16th Samsung Humantech Paper Prize, February 2010.
• Coopearive Bridges: Topology Control in Cooperative Wireless Ad Hoc Networks; (with H. Roh).
• Student of The Year Award (SOTY), Network Research Lab. (NetLab), Korea University, December 2009.
• Exellence Prize Award at the 4th Korea RFID/USN Research Paper Contest, November 2008.
• CSMA/CA-Based Reader Anti-Collision Protocols for Multi-Channel Mobile RFID Networks; (with W. Lee).

• Projects 
• Towards Relay-Assisted Network Innovations for Hotspot Cell Based B4G Networks, KRF, 2008-2011.
• My role: One of key contributors
• Ongoing Research Work: Routing using Cooperative Communication
• Cooperative Wireless Networking: A Cross-Layer Approach, KOSEF, 2007 - 2010.
• My role: One of key contributors
• Ongoing Research Work: Topology Control using Controlled Cooperative Communication
• Interworking of RFID Networks and 3GPP2 Wireless Networks, SK Telecom, 2006 - 2008.
• My role: One of key contributors
• Ongoing Research Work: Reducing Reader Collision in Mobile RFID Networks
• Optimized Resource Allocation Modeling based on QoS for LGT Mobile Broadcasting Infra, LG TeleCom, Dec. 2005 - May 2006.
• My role: Team Leader    

•  Contact Information
• e-mail: jieunyu AT korea.ac.kr

Last Update: October 15, 2012.