KIM, TAE HYUN [kim, tǽ: hiΛn]    PhD student    Wireless Networking Group in the Coordinated Science Laboratory    Dept of Electrical and Computer Engineering, the University of Illinois at Urbana-Champaign    459 Coordinated Science Lab, 1308 West Main Street, Urbana IL 61801    Tel: +1-217-244-5791 Cell-phone: +1-512-689-3961,     E-mail: tkim56 at illinois.edu or taehyun at ieee.org    Links: schedules, saying

NEWS!

• [June 24 2008] The paper on the MIMO interference mitigation has been submitted to IEEE Trans. Wireless Communications.
  
• [May 15 2008] I started working in the NEC Labs America, NJ. This goes through Aug 15.
  
• [Apr 29 2008] I have passed the ECE qualifying exam!
• [Jan 10 2008] The paper on MIMO downlink receiver is accepted to IEEE ICC 2008!
• [Oct 17 2007] Tae Hyun joined Prof Nitin H. Vaidya's Wireless Networking group.
• [Feb 28 2007] The paper on 802.15.4 CSMA/CA is accepted to IEEE Communications Letters.

EDUCATION

• 8/2007 – present The University of Illinois at Urbana-Champaign, IL
  Ph.D. student in the Department of Electrical and Computer Engineering, Advisor: Prof. Nitin H. Vaidya
  Relevant courses:
   - CS598JH- Advanced Topic in Wireless Networks: Term project on Interference mitigation of multi-user MIMO broadcast system
   - ECE559PRK- Modeling, Analysis and Design of Wireless Networks: Term report on Practical network coding
   - CS573- Topics on Algorithms: Algorithmic Game Theory
   
• 3/2004 – 2/2006 Seoul National University, Seoul, Korea
  M.S. in School of Electrical Engineering and Computer Science, February 2006
  Thesis advisor: Prof. Sunghyun Choi
  Relevant courses: Data Networks, System Performance Evaluation et al.
   - Topics in Communications part I: Term project on Priority-based CSMA/CA for IEEE 802.15.4 LR-WPANs
   - Topics in Communications part II: Term project on Virtual channel management for LR-WPANs
   - Topics in Data Communication - Sensor Network: Term project on Reliability constraint in wireless sensor networks
   
• 3/2002 – 2/2004 Yonsei University, Seoul, Korea
  B.S. in Electronic and Electrical Engineering, February 2004, transferred from Hong-Ik University in Mar 2002
  
  

RESEARCH

• Multiuser MIMO networks: from PHY to NWK layer
  - Multiple point communications-aware multiple access scheduling protocols
  - Multiuser MIMO multicell scheduling with an aid of wired backhaul networks
   
• Hybrid MAC protocol design
  - MAC protocol that defeats the fundamental inefficiency of random access protocols
  - Practical scheduling algorithms based on the recent achievements on the stochastic network optimizations

• Past Research
  - MAC and routing protocols for wireless sensor networks
  - IEEE 802.15.4 Low-rate Wireless Personal Area Networks and Zigbee Alliance standards
   

PUBLICATIONS

 Manuscripts in preparation

1. Tae Hyun Kim, Robert W. Heath, Jr., and Sunghyun Choi, "Interference Mitigation for the MIMO Broadcast Channel with Limited Feedback," submitted to IEEE Trans. Wireless Communications, June 2008.
   
   
2. Tae Hyun Kim, Jae Yeol Ha, Sunghyun Choi, and Wook Hyun Kwon, "Improving Spectral and Temporal Efficiency of Colocated LR-WPANs via Virtual Channel Management"
   

 Journal papers

1. Jae Yeol Ha, Tae Hyun Kim, Sunghyun Choi, Hong Seong Park and Wook Hyun Kwon, “An Enhanced CSMA-CA Algorithm for IEEE 802.15.4 LR-WPANs,” IEEE Communications Letters, vol. 11 no. 5 pp. 461-463, May. 2007.
    
2. Hojoong Kwon, Tae Hyun Kim, Sunghyun Choi, and Byeong Gi Lee, "Cross-Layer Strategy for Energy-Efficient Reliable Delivery in Wireless Sensor Networks," IEEE Trans. Wireless Communications, vol. 5, no. 12, pp. 3689-3699, Dec. 2006.
    
3. Tae Hyun Kim and Sunghyun Choi, “Priority-Based Delay Mitigation for Event Monitoring IEEE 802.15.4 LR-WPANs,” IEEE Communications Letters, vol. 10, issue 3, pp. 213-215, Mar. 2006.
    
4. Tae Rim Park, Tae Hyun Kim, Jae Yong Choi, Sunghyun Choi, Wook Hyun Kwon, "Throughput and Energy Consumption Analysis of IEEE 802.15.4 Slotted CSMA/CA," IEE Electronics Letters, vol. 41, issue 18, pp. 1017-1019, Sept. 2005.
   (for details see: Tae Rim Park, "Latency Reduction Algorithms for Wireless Sensor Networks," Ph.D. Dissertation, Seoul National University, 2005.)

 Conference papers

1. Tae Hyun Kim, Robert W. Heath Jr., and Sunghyun Choi, "Multiuser MIMO Downlink with Limited Feedback using Transmit-Beam Matching," in Proc. IEEE ICC 2008, Beijing, China, May 19-23, 2008.
    
2. Tae Hyun Kim, Jae Yeol Ha, Sunghyun Choi and Wook Hyun Kwon, “Virtual Channel Management for Densely Deployed IEEE 802.15.4 LR-WPANs,” in Proc. IEEE PerCom 2006, Pisa, Italy, March 13-17, 2006.
    
3. Hojoong Kwon, Tae Hyun Kim, Sunghyun Choi, and Byeong Gi Lee, “Cross-Layer Lifetime Maximization under Reliability and Stability Constraints in Wireless Sensor Networks,” in Proc. IEEE ICC 2005, Seoul, Korea, May 16-20, 2005. 
    
4. Hojoong Kwon, Tae Hyun Kim, Sunghyun Choi, and Byeong Gi Lee, “Lifetime Maximization under Reliability Constraint via Cross-Layer Strategy in Wireless Sensor Networks,” in Proc. IEEE WCNC 2005 , New Orleans, LA, USA, March 13-17, 2005.
    

HONORS AND AWARDS

• Winner of the Grand Prize: “Virtual Channel Management for Densely Deployed IEEE 802.15.4 LR-WPANs,” in 1st RFID/USN Research Paper Contest, awarded by the Minister of Information and Communication in Korea, Oct. 2005.
• Electrical Engineering Alumni Scholarship from Fall 2004 to Fall 2005
• National Microwave Scholarship by the Ministry of Information and Communication in 2003.
• Scholarship for Excellent Record Students: fall in 2001, spring and fall in 2002, spring in 2003.