Changhee Joo

Research Scientist
Electrical and Computer Engineering / Computer Science and Engineering
The Ohio State University
Columbus, OH 43210, USA

Email: cjoo[at]ece.osu.edu / cjoo[at]cse.ohio-state.edu

Curriculum Vitae [PDF], Research Statement [PDF], Teaching Statement [PDF]

Education and Academic Careers

•   Research Scientist, ECE/CSE, OSU, USA, March 2009 - Present.

•   Post-doctoral Researcher, ECE/CSE, OSU, USA, July 2007 - Feb. 2009.

•   Post-doctoral Researcher, Electrical and Computer Engineering, Purdue University, USA, Sept. 2005 - June 2007.

•   Ph. D. of Electrical Engineering and Computer Science, Seoul National University, Korea, Feb. 2005.

•   Visiting Scholar, Electrical and Computer Engineering, UIUC, USA, Aug. 2000 - June 2001.

•   M.S. of Electrical Engineering and Computer Science, Seoul National University, Korea, Feb. 2000.

•   B.S. of Electrical Engineering and Computer Science, Seoul National University, Korea, Feb. 1998.

Award

•   Best paper award, IEEE INFOCOM, Apr. 2008.

Research Interests

•   Resource allocation in wireless networks

•   In-network aggregation for wireless sensor networks

•   Cross-layer network optimization

•   Congestion control and active queue management

Recent Technical Reports

•  C. Joo, X. Lin, and N. B. Shroff, "Greedy Maximal Matching: Performance Limits for Arbitrary Network Graphs Under the Node-exclusive Interference Model," Technical Report, The Ohio State University, April 2009. [PDF]

•  C. Joo, X. Lin, and N. B. Shroff, "Understanding the Capacity Region of the Greedy Maximal Scheduling Algorithm in Multi-hop Wireless Networks," Technical Report, The Ohio State University, 2009. [PDF]

Selected Publications :: Full list

•  C. Joo, X. Lin, and N. B. Shroff, "Understanding the Capacity Region of the Greedy Maximal Scheduling Algorithm in Multi-hop Wireless Networks," IEEE/ACM Transactions on Networking, vol. 17, no. 4, pp. 1132--1145, Aug. 2009. (Fast-track; Its conference version won the IEEE INFOCOM'08 Best Paper Award.) [PDF]

•  C. Joo, X. Lin, and N. B. Shroff, "Greedy Maximal Matching: Performance Limits for Arbitrary Network Graphs Under the Node-exclusive Interference Model," IEEE Transactions on Automatic Control, accepted for publication. [PDF]

•  C. Joo and N. B. Shroff, "Performance of Random Access Scheduling Schemes in Multi-hop Wireless Networks," IEEE/ACM Transactions on Networking, vol. 17, no. 5, pp. 1481--1493, Oct. 2009. [PDF]

Recent Invited Talks

•  Understanding the Capacity Region of the Greedy Maximal Scheduling Algorithm in Multi-hop Wireless Networks.
- Duke University, Durham, NC, USA, May 2009.
- Pusan National University, Pusan, Korea, Jan. 2009.
- GIST, Korea, Gwang-Ju, Jan. 2009.
- Korea University, Seoul, Korea, Jan. 2009.
- Yonsei University, Seoul, Korea, Jan. 2009.
- Seoul National University, Seoul, Korea, Jan. 2009.
- University of Illinois at Urbana-Champaign, Urbana, IL, USA, Nov. 2008.

•  Capacity Region of Scheduling Schemes in Multi-hop Wireless Networks.
- Korea University, Seoul, Korea, Jan. 2008.
- Seoul National University, Seoul, Korea, Dec. 2007.

•  Cross-layer Optimization with Random Access Scheduling Schemes in Multi-Hop Wireless Networks.
- Purdue University, West Lafayette, IN, USA, July 2007.
- The 36th IEEE Communication Theory Workshop, Sedona, AZ, USA, May 2007.

Professional Activities

•   IEEE INFOCOM 2010 (TPC), 2009 (TPC), and 2008 (Designated Reviewer).

•   IEEE WCNC 2010 (TPC).

•   IEEE COMSNETS 2010 (TPC), and 2009 (TPC).

•   ICOIN 2010 (TPC).

•   IEEE GLOBECOM 2009 (TPC), 2008 (TPC), and 2007 (TPC).

•   ACM MOBIHOC 2009 (TPC), and 2008 (TPC, Session Chair).

•   ICUFN 2009 (TPC).

•   CHINACOM 2008 (TPC).

•   IEEE IWCMC 2008 (TPC), and 2006 (TPC).

•   IEEE COMSWARE 2008 (TPC), and 2007 (TPC).

•   IEEE ICON 2006 (TPC).

Links

Prof. Ness B. Shroff at The Ohio State University, USA.

Prof. Saewoong Bahk at Seoul National University, Korea.

Prof. Xiaojun Lin at Purdue University, USA.

Prof. Hyogon Kim at Korea University, Korea.

Last updat: Nov. 23, 2009.