Director, Network Systems Laboratory Department of Electrical Engineering



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Song Chong

Professor

Director, Network Systems Laboratory


Department of Electrical Engineering

KAIST


Gusong-dong, 373-1, Yusong-gu

Daejon 305-701, Korea



Email: songchong@kaist.edu

URL: http:// netsys.kaist.ac.kr/~song

Office phone: +82-42-350-3473

Fax: +82-42-350-3410





RESEARCH


Wireless/mobile networks, future Internet, human mobility and disruption-tolerant networks

EDUCATION

Ph.D., 1995, Electrical & Computer Engineering, University of Texas at Austin, USA

M.S., 1990, Control & Instrumentation Engineering, Seoul National University, Korea


B.S., 1988, Control & Instrumentation Engineering, Seoul National University, Korea


PROFESSIONAL EXPERIENCE


Professor & Director of Network Systems Laboratory, March 2000 - present

Department of Electrical Engineering, KAIST, Daejon, Korea
Head, January 2009 – December 2010

Communications and Computing Division

Department of Electrical Engineering, KAIST, Daejon, Korea
Visiting Professor, August 2004 - August 2005

Wireless Networking and Communications Group, University of Texas at Austin, USA
Professor, September 1996 - February 2000

Department of Electrical Engineering, Sogang University, Seoul, Korea
Member of Technical Staff, December 1994 - August 1996

AT&T Bell Labs, Holmdel, New Jersey, USA

PROFESSIONAL ACTIVITIES


Area Editor, Computer Communications, 2009-present

Editor, Journal of Communications and Networks, 2002-present

Editor-in-Chief, Journal of Korea Information and Communications Society, 2010-present

Guest Editor, Special Issue on Future Internet, Journal of Communications and Networks, 2007

Guest Editor, Special Issue on Future Internet, Telecommunications Review, 2008
Vice President, Korea Information and Communications Society, 2008-present

Co-founder & Wireless Networking Working Group Chair, Future Internet Forum, 2007-present
Steering Committee

International Symposium on Wireless Network Optimization (WiOpt)

International Conference on Future Internet (CFI)

Future Internet Forum (FIF)

Joint Conference on Communications and Information (JCCI)

Networked Video Workshop (NV)


General Chair

WiOpt 2009


Technical Program Committee

IEEE INFOCOM 1997, 1999, 2004, ACM CoNEXT 2008, ITC Specialist Seminar 2008, ITC 2009, WiOpt 2007, 2008, 2011, 2012, GameSec 2011, ACM WiNTECH 2008, Packet Video 2002, 2003, IEEE LEOS 2009, CFI 2006-2012, IEEE GLOBECOM 2005, IEEE ICC 2005, IEEE VTC 2006, PCM 2005, APCC 2006, ICOIN 2005, 2007, 2008, WMCNR 2008, UKC 2008, Future Internet Summer Camp 2008, 2009, Future Internet Winter Camp 2008, 2009, IEEE SECON 2012, APCC 2012


Elected Officer of IEEE Communications Society Technical Committee on Computer Communications (TCCC) in 2006-2008

Officer of IEEE Communications Society Asia Pacific Board (APB) in 1998-1999, 2004-2005, 2006-2007 and 2008-2009


Technical Program Chair/Co-Chair/Vice-Chair

Global Future Internet Summit (GFI Summit 2011, 2012)

International Conference on Future Internet (CFI 2010)

IT Convergence International Workshop on Future Networks and Services 2010

International Conference on Communications and Broadband Networking (ICBN 2004)

KAIST Networking Seminar Series 2004-2009

KAIST Electronic and Cyber Warfare Workshop 2011

Joint Conference on Communications and Information (JCCI 2004, 2008, 2010, 2012)

Korea Internet Conference (KRNET 2010-2011, 2013)

Summer Workshop on Computer Communications (SWCC 2011)



High Speed Network Workshop (HSN 2012)

BOOKS


  1. K. Lee, P. Hui and S. Chong, “Mobility Models in Opportunistic Networks” invited chapter in Mobile Ad Hoc Networking: The Cutting Edge Directions (Eds. S. Basagni, M. Conti, S. Giordano and I. Stojmenovic), to be published by Wiley in 2012.



INTERNATIONAL JOURNAL PUBLICATIONS (Google citation count=1,635, H-index=21, i10-index=35 as of 2012/6/27)


  1. Y. Kim, K. Lee, N. Shroff, I. Rhee and S. Chong, “First Meeting Time Analysis for Levy Flight”, submitted to Advances in Applied Probability.

  2. Y. Kim, K. Lee, N. Shroff, I. Rhee and S. Chong, “On the Delay-Capacity Tradeoff of Mobile Networks with Levy Flight Mobility”, submitted to IEEE/ACM Trans. on Networking.

  3. J. Lee, Y. Yi, S. Chong and Y. Jin, “Economics of WiFi Offloading: Trading Delay for Cellular Capacity,” submitted to IEEE Journal on Selected Areas in Communications.

  4. J. Kwak, K. Son, Y. Yung and S. Chong, “Greening Effect of Spatio-Temporal Power Sharing Policies in Cellular Networks under Energy Regulations”, submitted to IEEE Trans. on Wireless Communications.

  5. B. Nardelli, J. Lee, K. Lee, Y. Yi, S. Chong, E. Knightly and M. Chiang, “Experimental Evaluation of Optimal CSMA,” submitted to IEEE/ACM Trans. on Networking.

  6. K. Lee, Y. Kim, S. Chong, I. Rhee, Y. Yi and N. Shroff, “On the Critical Delays of Mobile Networks under Levy Walks and Levy Flights”, submitted to IEEE/ACM Trans. on Networking.

  7. J. Jeong, K. Lee, S. Chong, I. Rhee and Y. Yi, “ExMin: A Routing Metric for True Opportunity Gain in Delay Tolerant Networks,” submitted to IEEE Trans. on. Vehicular Technology.

  8. K. Lee, Y. Yi, J. Jeong, H. Won, I. Rhee and S. Chong, "Max Contribution: On Optimal Resource Allocation in Delay Tolerant Networks," submitted to IEEE Trans. on Mobile Computing.

  9. Y. Kim, G. Hwang and S. Chong, "Capacity, Fairness, and Queuing Performance Analysis of Opportunistic Scheduling with One-Bit Feedback," submitted to IEEE Trans. on Wireless Communications.

  10. K. Lee, J. Lee, Y. Yi, I. Rhee and S. Chong, “Mobile Data Offloading: How Much Can WiFi Deliver?,” to appear in IEEE/ACM Trans. on Networking, 2012.

  11. J. Kim, J. Lee, K. Son, S. Song and S. Chong, "Two-hop Opportunistic Scheduling in Cooperative Cellular Networks", to appear in IEEE Trans. on Vehicular Technology., 2012.

  12. K. Son, B. Jung, S. Chong and D. Sung, “Power Allocation Policies with Full and Partial Inter-System Channel State Information for Cognitive Radio Networks,” to appear in Wireless Networks, 2012.

  13. K. Lee, S. Hong, S. Kim, I. Rhee and S. Chong , “SLAW: Self-similar Least Action Human Walk,” IEEE/ACM Trans. on Networking, Vol. 20, No. 2, pp. 515-529, April 2012.

  14. J. Lee, H. W. Lee, Y. Yi and S. Chong, “Improving TCP Performance over Optimal CSMA in Wireless Multihop Networks”, to appear in IEEE Communications Letters, 2012

  15. J. Lee, J. Lee, K. Lee and S. Chong, “CommonCode: A Code-Reuse Platform for Wireless Network Experimentation”, IEEE Communications Magazine, Vol. 50, No. 3, pp. 156-163, March 2012.

  16. M. Conti, S. Chong, S. Fdida, W. Jia, H. Karl, Y. Lin, P. Mahonen, M. Maier, R. Molva, S. Uligh and M. Zukerman, "Research Challenges Towards the Future Internet", Computer Communications, Vol. 34, No. 18, pp. 2115-2134, Dec. 2011 .

  17. K. Son, S. Lee, Y. Yi and S. Chong, “REFIM: A Practical Interference Management in Heterogeneous Wireless Access Networks,” IEEE Journal on Selected Areas in Communications, Vol. 29, No. 6, pp. 1260-1272, June 2011.

  18. I. Rhee, M. Shin, S. Hong, K. Lee, J. Kim and S. Chong, "On the Levy Walk Nature of Human Mobility," IEEE/ACM Trans. on Networking, Vol. 19, No. 3, pp. 630-643, June 2011.

  19. K. Son, Y. Yi and S. Chong, "Utility-optimal Multi-pattern Reuse in Multi-cell Networks," IEEE Trans. on Wireless Communications, Vol. 10, No. 1, pp. 142-153, Jan. 2011.

  20. J. Cho, S. Chong and H. Ryu, “Stabilized Edge-to-Edge Aggregate Flow Control”, IFIP Lecture Notes in Computer Science, Vol. 3042, pp. 574-587, March 2011.

  21. K. Lee, I. Rhee, J. Lee, Y. Yi and S. Chong, “Mobile Data Offloading: How Much Can WiFi Deliver?”, ACM SIGCOMM Computer Communication Review, Vol. 40, No. 4, pp. 425-426, 2010.

  22. H. W. Lee, J.-w. Cho and S. Chong, "Distributed Max-Min Flow Control for Multi-rate Overlay Multicast," Computer Networks, Vol. 54, No. 11, pp. 1727-1738, Aug. 2010.

  23. J. Jeon, K. Son, H. W. Lee and S. Chong, “Feedback Reduction for Multiuser OFDM Systems”,, IEEE Trans. on Vehicular Technology, Vol. 59, No. 1, pp. 160-169, Jan. 2010.

  24. K. Son, G. de Veciana and S. Chong, "Dynamic Association for Load Balancing and Interference Avoidance in Multi-cell Networks," IEEE Trans. on Wireless Communications, Vol. 8, No. 7, pp. 3566-3576, July 2009.

  25. W. S. Park, M. Shin, H. W. Lee and S. Chong, "A Joint Design of Congestion Control and Burst Contention Resolution for Optical Burst Switching Networks," IEEE/OSA Journal of Lightwave Technology , Vol. 27, No. 17, pp. 3820-3830, June 2009.

  26. J.-w. Cho, J. Mo and S. Chong, "Joint Network-wide Opportunistic Scheduling and Power Control in Multi-cell Networks," IEEE Trans. on Wireless Communications, Vol. 8, No. 3, pp. 1520-1531, Mar. 2009.

  27. H. W. Lee and S. Chong, "Downlink Resource Allocation in Multi-carrier Systems: Frequency-selective vs. Equal Power Allocation", IEEE Trans. on Wireless Communications, Vol. 7, No. 10, Oct. 2008, pp. 3738-3747.

  28. M. Shin, S. Chong and I. Rhee, "Dual-resource TCP/AQM for processing-constrained networks," IEEE/ACM Trans. on Networking, Vol. 16, No. 2, April 2008, pp. 435-449.

  29. H. W. Lee and S. Chong, "Combined Packet Scheduling and Call Admission Control with Minimum Throughput Guarantee in Wireless Networks," IEEE Trans. on Wireless Communications, Vol. 6, No. 8, pp. 3080-3089, Aug. 2007.

  30. S. Rho, J. An and S. Chong, "Discriminatory Congestion Pricing of Network Services: A Game Theoretic Approach Using Adverse Selection," Seoul Journal of Business, Vol. 13, No. 1, June 2007, pp. 77-98.

  31. J.-w. Cho and S. Chong, "Utility Max-Min Flow Control Using Slope-restricted Utility Functions," IEEE Trans. on Communications, Vol. 55, No. 5, pp. 963-972, May 2007.

  32. H. W. Lee and S. Chong, "A Distributed Utility Max-Min Flow Control Algorithm," Computer Networks, Vol. 50, No. 11, Aug. 2006, pp. 1816-1830.

  33. J.-w. Cho, S. Kim and S. Chong, "Capacity of Interference-limited Ad Hoc Networks with Infrastructure Support," IEEE Communications Letters, Vol. 10, No. 1, pp 16-18, Jan. 2006.

  34. S. Chong, M. Shin, J. Mo and H. W. Lee, "Flow Control with Processing Constraint," IEEE Communications Letters, Vol. 9, No. 10, pp. 957-959, Oct. 2005.

  35. H. K. Ryu and S. Chong, "Deterministic Packet Marking for Max-Min Flow Control ," IEEE Communications Letters, Vol. 9, No. 9, pp. 856-858, Sept. 2005.

  36. J.-w. Cho and S. Chong, "Stabilized Max-Min Flow Control Using PID and PII2 Controllers," IEICE Trans. on Communications, Vol. E88-B, No. 8, pp. 3353-3364, August 2005.

  37. S. J. Bae and S. Chong, "TCP-friendly Flow Control of Wireless Multimedia Using ECN Marking," Signal Processing, Vol. 19, No. 5, pp. 405-419, May 2004.

  38. Y. Choi, S. Kang and S. Chong, "An Efficient ABR Service Engine for ATM Network," IEE Proc.-Circuits Devices Syst., Vol. 148, No. 6, December 2001, pp 323-327.

  39. S. Chong, S. Lee and S. Kang "A Simple, Scalable and Stable Explicit Rate Allocation Algorithm for Max-Min Flow Control with Minimum Rate Guarantee," IEEE/ACM Trans. on Networking, Vol. 9, No. 3, pp. 322-335, June 2001.

  40. S. Chong, R. Nagarajan and Y. T. Wang, "Designing Stable ABR Flow Control with Rate-feedback and Open-loop Control : First-order Control Case," Performance Evaluation, Vol. 34, No. 4, pp. 189-206, Dec. 1998.

  41. S. Chong, R. Nagarajan and Y. T. Wang, "First-order Rate-based Flow Control with Dynamic Queue Threshold for High Speed Wide-area ATM Networks," Computer Networks, Vol. 29, No. 17-18, Feb. 1998, pp. 2201-2212.

  42. S. Chong and S. Q. Li, "Performance of Access Rate Control for Correlated Sources in High Speed Networks: Spectral Analysis," International Journal of Communication Systems, Vol. 9, No. 5, Oct. 1996, pp. 237-252.

  43. S. Chong and S. Q. Li, "Probabilistic Burstiness-curve Based Connection Control for Real-time Multimedia Services in ATM Networks," IEEE Journal on Selected Areas in Communications, Vol. 15, No. 6, August 1997, pp. 1072-1086.

  44. E. J. Herandez-Valencia, L. Benmohamed, R. Nagarajan and S. Chong, "Rate Control Algorithms for ATM ABR Services," European Trans. on Telecommunications, Vol. 8, No. 1, Feb. 1997, pp. 7-20.

  45. S. Chong, S. Q. Li and J. Ghosh, "Predictive Dynamic Bandwidth Allocation for Efficient Transport of Real-time VBR Video over ATM," IEEE Journal on Selected Areas in Communications, Vol. 13, No. 1, Jan. 1995, pp. 12-23.

  46. S. Q. Li, S. Chong and C. L. Hwang, "Link Capacity Allocation and Network Control by Filtered Input Rate in High Speed Networks," IEEE/ACM Trans. on Networking, Vol.3, No.1, Feb. 1995, pp. 10-25.

  47. I. J. Ha and S. Chong, "Design of a CLOS Guidance Law via Feedback Linearization," IEEE Trans. on Aerospace and Electronic Systems, Vol. 28, No. 1, Jan. 1992, pp. 51-63.


INTERNATIONAL CONFERENCE PUBLICATIONS


  1. J. Lee, Y. Yi, S. Chong, B. Nardelli, E. Knightly and M. Chiang, “Making 802.11 DCF Optimal: Design, Implementation, and Evaluation”, submitted to ACM CoNEXT 2012.

  2. J. Lee, J. Lee, K. Lee and S. Chong, “Experiment-driven Design and Evaluation of Wireless Network Protocols Based On Common Code,” IEEE SECON 2012 demo session.

  3. J. Jeong, J. Cho, Y. Yi, D. Eun and S. Chong, “Wi-Fi Sensing: Should Mobiles Sleep Longer as They Age?”, submitted to IEEE INFOCOM 2013.

  4. B. Nardelli, J. Lee, K. Lee, Y. Yi, S. Chong, E. Knightly and M. Chiang, “Experimental Evaluation of Optimal CSMA,IEEE INFOCOM 2011.

  5. K. Lee, Y. Kim, S. Chong, I. Rhee and Y. Yi, “Delay-Capacity Tradeoffs for Mobile Networks with Levy Walks and Levy Flights”, IEEE INFOCOM 2011.

  6. J. Kwak, K. Son, Y. Yung and S. Chong, “Impact of Spatio-Temporal Power Sharing Policies in Cellular Network Greening,” WiOpt 2011.

  7. K. Lee, J. Lee, Y. Yi, I. Rhee and S. Chong, “Mobile Data Offloading: How Much Can WiFi Deliver?,” ACM CoNEXT 2010.

  8. J. Lee, J. Lee, K. Lee and S. Chong, “CommonCode: A Code Reuse Platform for Co-Simulation and Experiementation,ACM CoNEXT 2010 student workshop.

  9. K. Lee, J. Lee, Y. Yi, I. Rhee and S. Chong, "Mobile Data Offloading: How Much Can WiFi Deliver?," ACM SIGCOMM 2010 poster session.

  10. K. Lee, Y. Yi, J. Jeong, H. Won, I. Rhee and S. Chong, "Max Contribution : On Optimal Resource Allocation in Delay Tolerant Networks," IEEE INFOCOM 2010.

  11. K. Son, S. Lee, Y. Yi and S. Chong, "Practical Dynamic Interference Management in Multi-carrier Multi-cell Wireless Networks: A Reference User Based Approach," WiOpt 2010.

  12. K. Son, B. Jung, S. Chong and D. Sung, "Power Allocation for OFDM-based Cognitive Radio Systems under Outage Constraints," IEEE ICC 2010.

  13. J. Jeong, K. Lee, Y. Yi, I. Rhee and S. Chong, "Opportunistic Shortest Path Forwarding in Delay Tolerant Networks," International Conference on Future Internet 2010.

  14. Y. Kim and S. Chong, "QoS Scheduling for Heterogeneous Traffic in OFDMA-based Wireless Systems," IEEE GLOBECOM 2009.

  15. J. Yun and S. Chong, "Detection of DDos Traffic by using the Technical Analysis used in the Stock Market," IEEE GLOBECOM 2009.

  16. J. Lee, J. Lee, Y. Yi, S. Chong, A. Proutiere and M. Chiang, "Implementing Utility-Optimal CSMA," Allerton 2009.

  17. K. Son, B. Jung, S. Chong and D. Sung, “Opportunistic Underlay Transmission in Multi-carrier Cognitive Radio Systems,” IEEE WCNC 2009.

  18. S. L. Shrestha, N. Song and S. Chong, “Semaless Realtime Traffic Handover Policy for IEEE 802.16m Mobile WiMAX”, IEEE CISS 2009.

  19. J. Lee, K. Lee, J. Jeong and S. Chong, "Performance Evaluation of a DTN as a City-wide Infrastructure Network," International Conference on Future Internet 2009.

  20. Y. Yi, J. Lee, S. Chong, A. Proutiere and M. Chiang, "Towards Optimal MAC without Message Passing in Wireless Networks," International Conference on Future Internet 2009.

  21. J. Lee, K. Lee, J. Lee, J. Jeong and S. Chong, "TCP Starvation Problem in Combining TCP and Max-Weight Scheduling of Cross-Layer Algorithms in WMNs," International Conference on Future Internet 2009.

  22. K. Son, Y. Yi and S. Chong, "Adaptive Multi-pattern Reuse in Multi-cell Networks," WiOpt 2009.

  23. K. Lee, S. Hong, S. Kim, I. Rhee and S. Chong, “SLAW: A Mobility Model for Human Walks”, IEEE INFOCOM 2009.

  24. J. Jeon, K. Son and S. Chong, "Spatial Resource Reuse in the Multi-hop Cellular Networks: Difficulties and Benefits," IEEE GLOBECOM 2008.

  25. J. Yun, A. Lee and S. Chong, "Multi-path Aggregate Flow Control for Real-time Traffic Engineering," IEEE GLOBECOM 2008.

  26. J. Lee and J. Lee and S. Chong, "A Realizable Cross-Layer Architecture for Wireless Mesh Networks," International Conference on Future Internet 2008.

  27. J. Lee, J. Lee, S. L. Shrestha and S. Chong, "Common Code Architecture for Future Internet Researches in Wireless Mesh Networks," International Conference on Future Internet 2008.

  28. S. L. Shrestha, J. Lee and S. Chong, "Virtualization and Slicing of Wireless Mesh Networks," International Conference on Future Internet 2008.

  29. J. Lee, K. Lee, J. Lee, A. Lee, S. L. Shrestha and S. Chong, "Alternative Attempts can Increase Transmission Opportunities in 802.11-Based Wireless Mesh Networks," ICACT 2008.

  30. I. Rhee, M. Shin, S. Hong, K. Lee and S. Chong, "Routing Performance Analysis in Human-driven Delay Tolerant Networks Using the Truncated Levy Walk Model," ACM MobiHoc 2008 Mobility Models Workshop.

  31. I. Rhee, M. Shin, S. Hong, K. Lee and S. Chong, "On the Levy-walk Nature of Human Mobility," IEEE INFOCOM 2008.

  32. I. Rhee, M. Shin, S. Hong, K. Lee and S. Chong, "Human Mobility Patterns and Their Impact on Routing in Human-Driven Mobile Networks," ACM HotNets IV 2007.

  33. S. H. Song, K. Son, H.W. Lee and S. Chong, "Opportunistic Relaying in Cellular Network for Capacity and Fairness Improvement," IEEE GLOBECOM 2007.

  34. W.-S. Park, M. Shin, H.-W. Lee and S. Chong, "Joint Congestion Control and Burst Contention Resolution in Optical Burst Switching Networks," IEEE GLOBECOM 2007.

  35. Sachin L. Shrestha, A.S. Lee, J.S. Lee, D.W Seo, K.H. Lee, J.H. Lee, S. Chong and N.H. Myung, "A Group of People Acts like a Black Body in a Wireless Mesh Network," IEEE GLOBECOM 2007.

  36. Sachin L. Shrestha, J. Lee, A.S. Lee, K.H. Lee, J.H. Lee and S. Chong, "An Open Wireless Mesh Testbed Architecture with Data Collection and Software Distribution Platform," IEEE TridentCom 2007.

  37. J. W. Cho, J. Mo and S. Chong, "Joint Network-wide Opportunistic Scheduling and Power Control in Multi-cell Networks," IEEE WoWMoM 2007.

  38. H. W. Lee and S. Chong, "Downlink Resource Allocation in Multi-carrier Systems: Frequency-selective vs. Equal Power Allocation", IEEE WoWMoM 2007.

  39. J. H. Jeon, K. Son, H. W. Lee and S. Chong, "Efficiency Based Feedback Reduction", IEEE ICC 2007.

  40. H. W. Lee, C. J. Kim and S. Chong, "Scheduling and Source Control with Average Queue-length Control in Cellular Networks", IEEE ICC 2007.

  41. K. Son, S. Chong and G. de Veciana, "Dynamic Association for Load Balancing and Interference Avoidance in Multi-cell Networks," WiOpt 2007.

  42. W.-S. Park, M. Shin and S. Chong, "Performance Enhancement in OBS Network with Flow Control and Edge Delay Method", IEEE GLOBECOM 2006.

  43. H. W. Lee and S. Chong, "Combined QoS Scheduling and Call Admission Control Algorithm in Cellular Networks", WiOpt 2006.

  44. M. Shin, I. Rhee and S. Chong, "Dual-resource TCP/AQM for Processing-constrained Networks", IEEE INFOCOM 2006.

  45. B. Moon, J. Mo, J. Ryoo, S. Chong and H. Song, “A Flow Control Algorithm Achieving Application Level Fairness”, IEEE ICCE 2006.

  46. J. S. Kim, M. Shin, Sachin Lal Shrestha and S. Chong, "Energy-aware Resource Allocation in WLAN Mobile Devices", IEEE GLOBECOM 2005.

  47. K. H. Lee and S. Chong, "Currency Boosts Content Dissemination in Noncooperative Ad-hoc Networks", IEEE GLOBECOM 2005.

  48. J. W. Cho and S. Chong, "Utility Max-Min Flow Control Using Slope-restricted Utility Functions", IEEE GLOBECOM 2005.

  49. J. W. Cho, S. L. Kim and S. Chong, "Infrastructure Support Increases the Capacity of Ad Hoc Wireless Networks", IEEE VTC 2005 Fall.

  50. H.-W. Lee and S. Chong, "A Distributed Utility Max-Min Flow Control Algorithm", IEEE ICC 2005.

  51. H. W. Lee, J. W. Cho and S. Chong, "A Distributed Max-Min Flow Control Algorithm for Multi-rate Multicast Flows", IEEE GLOBECOM 2004.

  52. J. W. Cho, S. Chong, "Stabilized Max-Min Flow Control Using PID and PII2 Controllers", IEEE GLOBECOM 2004.

  53. S.Y. Yi, M. Shin, J. S. Kim and Sachin Lal Shrestha and S. Chong, "Max-Min Resource Allocation in a Network Processor", IEEE GLOBECOM 2004.

  54. K. Son, H. Ryu, S. Chong and T. Yoo, "Dynamic Bandwidth Allocation Schemes to Improve Utilization under Non-uniform Traffic in Ethernet Passive Optical Networks", IEEE ICC 2004.

  55. H. K. Ryu and J. W. Cho and S. Chong, "Stabilized Edge-to-edge Aggregate Flow Control", Networking 2004.

  56. S. J. Bae and S. Chong, "TCP-friendly Flow Control of Wireless Multimedia Using ECN marking," IEEE GLOBECOM 2002.

  57. S. Chong, M. Shin and H. Chong, "A Linear System Approach to Serving Gaussian Traffic in Packet-switching Networks," IEEE GLOBECOM 2001.

  58. S. Chong, S. H. Lee and S. Kang, "Control-theoretic Max-Min Flow Control with Minimum Rate Guarantee," IEEE GLOBECOM 2001.

  59. Y. Choi, S. Kang and S. Chong, "An Efficient ABR Service Engine for ATM Network," 14th Annual IEEE International ASIC/SOC Conference, Sept. 2001.

  60. S. Kwon, H. Park and M. Choi, "Control-theoretic Rate Control for Adaptive Packet Video Transmission over Time-varying Channels," APCC 2000, pp. 1173-1177, Oct. 2000.

  61. H. Ahn, J. Kim, S. Chong, B. Kim and B. Choi, "A Video Traffic Model based on the Shifting-level Process : The Effects of SRD and LRD on Queueing Behavior," IEEE INFOCOM 2000, pp. 1036-1045, April 2000.

  62. S. Chong, R. Nagarajan and Y. T. Wang, "Designing Stable ABR Flow Control with Rate-feedback and Open l-loop Control : First-order Control Case," IEEE GLOBECOM 1998, Vol. 3, pp. 1786-1792, Nov. 1998.

  63. S. Chong, R. Nagarajan and Y. T. Wang, "Flow Control in a High-speed Bus Based ATM Switching Hub," 2nd IEEE International Workshop on Broadband Switching Systems, pp. 137-147, Dec. 1997, Takpei, R.O.C. .

  64. S. Chong, R. Nagarajan and Y. T. Wang, "First-order Rate-based Flow Control with Dynamic Queue Threshold for High-speed Wide-area ATM Networks," SPIE conference on Video, Voice and Data Communications, Vol. 3231, pp. 259-270, Nov. 1997, Dallas, TX.

  65. S. Chong, R. Nagarajan and Y. T. Wang, "An Approach to Rate-based Flow Control for ABR Service in a Dynamic Environment," 8th IEEE Workshop on Local and Metropolitan Area networks, August 1996, Berlin/Potsdam, Germany.

  66. S. Chong and S. Q. Li, "(σ ,ρ)-characterization Based Connection Control for Guaranteed Services in High Speed Networks," IEEE INFOCOM 1995, pp. 835-844.

  67. S. Chong, S. Q. Li and J. Ghosh, "Dynamic Bandwidth Allocation for Efficient Transport of Real-time VBR Video over ATM," IEEE INFOCOM 1994, pp. 81-90.

  68. S. Q. Li and S. Chong, "Fundamental Limits of Input Rate Control in High Speed Networks," IEEE INFOCOM 1993, pp. 662-671.

  69. S. Chong, S. Q. Li, C. L. Hwang and X. Zhao, "Link Capacity Allocation and Network Control by Filtered Input Rate in High Speed Networks," IEEE GLOBECOM 1993, pp. 744-750.

  70. S. Q. Li, S. Chong and J. Ghosh, "ANN Based Forecasting of VBR Video Traffic for Dynamic Bandwidth Allocation in ATM Networks," International Conference on Artificial Neural Networks in Engineering 1993, pp. 275-280.



INTERNATIONAL PATENTS


  1. “Scheduling in Consideration of Terminal Groups in A Mobile Communication System”, WO/2012/030037, 2012.

  2. “Method and Terminal for Searching for an Access Point”, WO/2012/023683, 2012.

  3. “Method for Handover Decision Using Virtual Scheduler and Handover Control Device Thereof”, US-20120021791, 2012.

  4. “Apparatus and Method for Supporting Peer to Peer Communication in Broadband Wireless System”, US-20100254281 (pending)

  5. “Handover Method for Mobile WiMAX Network Based on Human Mobility Behavior”, US- 12331537 (pending)

  6. "Method for Reducing an Amount of Feedback Used in a Mobile Communication System", US-7991358, 2011.

  7. "A System for Managing Service Quality of Applications Provided to a Portable Subscriber Station", WO/2009/054565, 2009.

  8. “Method of Performing Scheduling in a Wired or Wireless Communication System and Network Scheduler Thereof”, WO/2007/114633, 2007.

  9. “ Fair Flow Controlling Method in Packet Networks”, WO/2001/026305, 2001

  10. “ABR Service Engine in a Packet Switching System”, WO/2001/026306, EP-1135895, 2001.

  11. "Method for Multi-priority, Multicast Flow Control in a Packet Switch", US-6212582, 2001.

  12. "Low-loss, Fair Bandwidth Allocation Flow Control in a Packet Switch", US-5983278, 1999.

  13. "First-order Rate Based Flow Control with Adaptive Queue Threshold", US-5864538, 1999.



INVITED TALKS


  1. “Mobility Models in Opportunistic Networks”, tutorial, The 18th Asia-Pacific Conference on Communications, Jeju Island, Korea, Oct. 15, 2012.

  2. “Cellular OFDMA-TDMA Systems”, KIISE SIGIN Spring Lecture Series on Wireless Network Modeling and Analysis, Seoul, Korea, May 11, 2012.

  3. “WiFi Offloading”, KICS Workshop on Advances in WLANs, Seoul, Korea, March 22, 2012.

  4. “Human Mobility Patterns and Their Impact on Mobile Network Performance”, Dept. of Electrical & Computer Engineering, Rice University, Huston, USA, Dec. 8, 2011

  5. “Human Mobility Patterns and Their Impact on Mobile Network Performance”, Dept. of Electrical & Computer Engineering, Univ. of Texas at Austin, Austin, USA, Dec. 5, 2011.

  6. “Mobility-Driven Networking: Trading Delay for Capacity”, Future Internet Forum Wireless WG Meeting, Seoul, Korea, Oct. 28, 2011.

  7. “Squeezing The Most Out Of Wireless: A Networking Perspective,” DGIST, Daegu, Korea, Oct. 11, 2011.

  8. “Human Mobility Patterns and Their Impact on Mobile Network Performance”, Plenary Speech, 6th International Conference on Queueing Theory and Network Applications (QTNA 2011), Seoul, Korea, Aug. 24, 2011.

  9. “Cross-layer Optimization: Theory and Practice”, KICS Lecture Series on Network Fundamentals, Seoul, Korea, Aug. 3, 2011.

  10. “Mobile Data Offloading: How Much Can WiFi Deliver?,” TTA Future Internet Technologies Workshop,TTA, Bundang, Korea, May 24, 2011.

  11. “SLAW: A Mobility Model for Human Walks”, The Korea Transportation Institute, Ilsan, Korea, March 28, 2011.

  12. “Mobile Data Offloading: How Much Can WiFi Deliver?,” KT, Bundang, Korea, March 25, 2011.

  13. “Mobile Data Offloading: How Much Can WiFi Deliver?,” Wi-Fi Day, LG Electronics, Seoul, Korea, Feb. 21, 2011.

  14. “Mobile Data Offloading: How Much Can WiFi Deliver?,” SK Telecom, Seoul, Korea, Jan. 28, 2011.

  15. “Mobile Data Offloading: How Much Can WiFi Deliver?,” KT, Seoul, Korea, Jan. 4, 2011.

  16. “Human Mobility: Measurements, Analysis and Implications,” High Speed Network (HSN) Workshop 2011, Kyungju, Korea, Jan. 21, 2011.

  17. “Mobile Data Offloading: How Much Can WiFi Deliver?,” TTA Ethernet Forum WLAN WG Meeting, Chunan, Korea, Nov. 5, 2010.

  18. “Mobile Data Offloading: How Much Can WiFi Deliver?,” Dagstuhl Seminar for Impact of Human Mobility on Communications, Dagstuhl, Germany, Oct. 6, 2010.

  19. “Understanding Human Mobility Patterns Towards Disruption Tolerant Networking,” 2010 Northeastern Asian Symposium on ICT: Next Generation Networks and Network Security, Xian, China, Sept. 16, 2010.

  20. “Wireless Mesh Network”, KICS Lecture Series on Mobile Wireless Communication, Seoul National University, Seoul, Korea, August 2010.

  21. “Small Cells and Mobility: The Next Opportunity,” SK Telecom, Bundang, Korea, April 26, 2010.

  22. “Hot Topics in Wireless Mobile Networking,” KAIST EE Faculty Colloquium, April 15, 2010.

  23. “Understanding Human Mobility Patterns Towards Disruption Tolerant Networking,” Nanyang Technological University (NTU) , Singapore, Jan. 21, 2010.

  24. “Understanding Human Mobility Patterns Towards Disruption Tolerant Networking,” Norwegian University of Science and Technology (NTNU) , Trondheim, Norway, Jan. 8, 2010.

  25. “Understanding Human Mobility Patterns Towards Disruption Tolerant Networking,” KTH Royal Institute of Technology , Stockholm, Sweden, Jan. 7, 2010.

  26. “Understanding Human Mobility Patterns Towards Disruption Tolerant Networking,” 16th Wireless Communications Workshop, Seoul, Korea, Feb. 4, 2010.

  27. “Mobile Internet: The New Eco,” High Speed Network (HSN) Workshop 2010, Byeonsan, Korea, Feb. 3, 2010.

  28. “Cross-layer Design Fundamentals”, KICS Lecture Series on Network Fundamentals, Seoul, Korea, Aug. 13, 2009.

  29. “Wireless Mesh Network”, KICS Lecture Series on Mobile Wireless Communication, Seoul National University, Seoul, Korea, August 2009.

  30. “Understanding Mobility in Wireless Mobile Networks,” KAIST-CUHK Joint Workshop, Daejon, Korea, July 4, 2009.

  31. “Exploiting Social Mobility Towards Intermittent Networking”, 3rd KICS Workshop on Cross-layer Design in IT Convergence Networks, Seoul, Korea, April 8, 2009.

  32. “Cross-layer Control of Wireless Networks: From Theory To Practice,” LG Electronics, Anyang, Korea, Jan.. 20, 2009.

  33. “Carrier-grade Mesh Networks,” High Speed Network (HSN) Workshop 2009, Jeju, Korea, Jan. 16, 2009.

  34. “Towards Carrier-grade Wireless Mesh Networks”, Department of Computer Science, Yonsei University, Seoul, Korea, Oct. 2, 2008.

  35. “KAIST Programmable Mesh Network Testbed”, AsiaFI School on Architecture and Building Blocks, Jeju, Korea, August 25, 2008.

  36. “Human Mobility and its Impact on DTN/MANET Performance”, Future Internet Summer Camp, Jeju, Korea, August 27, 2008.

  37. “Wireless Mesh Network”, KICS Lecture Series on Mobile Wireless Communication, Seoul National University, Seoul, Korea, August 2008.

  38. “Cross-layer Control of Multihop Wireless Networks”, UKC 2008, San Diego, USA, August 16, 2008.

  39. “Cross-layer Control of Wireless Networks: From Theory To Practice,” Samsung Electronics, Suweon, Korea, Aug. 8, 2008.

  40. “Experimentally-driven Future Wireless Access Research Testbed at KAIST,” Samsung Electronics, Suweon, Korea, Aug. 8, 2008.

  41. “Cross-layer Protocol Design for Future Wireless Networks”, KICS Lecture Series on Network Fundamentals, Seoul, Korea, July 29, 2008.

  42. “Cross-layer Control of Multihop Wireless Networks”, Department of Electrical Engineering, Korea University, Seoul, Korea, July 28, 2008.

  43. “Autonomic Wireless: the Next Wireless”, Samsung Mobile Forum 2008, Samsung Electronics, Suweon, Korea, July 10, 2008.

  44. “KAIST Programmable Wireless Mesh Network Testbed”, Korea-EU Cooperation Forum on ICT, OECD Ministerial Meeting on the Future of the Internet Economy, COEX, Seoul, June 16-18, 2008.

  45. “Cross-layer Control for Wireless Networks: From Theory To Practice”, Beijing University of Posts and Telecommunications, China, April 8, 2008.

  46. “Cross-layer Control for Wireless Networks: From Theory To Practice”, Tsinghua University, China, April 7, 2008.

  47. “Wireless Communications: The Future”, AsiaFI School on Mobile & Wireless Networks, Seoul, Korea, Feb. 2008.

  48. “Cross-layer Control Towards 4G”, High Speed Network (HSN) Workshop 2008, Kwangju, Korea, Feb. 2008.

  49. “Korean Perspective on Future Internet Research”, NSF/FIND International Collaboration Meeting on “Future Internet”, Washington D.C., Nov. 28, 2007.

  50. “Cross-layer Control for Wireless Networks: From Theory To Practice”, 2007-2008 Colloquium Series, Department of Computer Science, North Carolina State University, USA, Nov. 16, 2007.

  51. “Levy Walk Nature of Human Mobility and Its Impact on DTN/MANET Performance”, College of Computing, Georgia Tech, USA, Nov. 13, 2007.

  52. “Experimentally-driven Research on Wireless Mesh Networks”, China-Korea Joint Workshop on Future Network, Seoul, Korea, Nov. 2007.

  53. “Future Internet Research”, IT Industry Prediction Conference, Seoul, Korea, Oct. 2007.

  54. “Wireless Mesh Network Technologies”, 2007 Next-generation Internet Technology, Seoul, Korea, Aug. 2007.

  55. “Wireless Mesh Network”, KICS Lecture Series on Mobile Wireless Communication, Seoul National University, Seoul, Korea, August 2007.

  56. “Cross-layer Protocol Design for Future Wireless Networks”, KICS Lecture Series on Network Fundamentals, Seoul, Korea, July 2007.

  57. “Asian Perspective on Future Internet,” panelist, 2nd International Workshop on Future Internet, Seoul , Korea, July 2007.

  58. “To Layer or Not to Layer”, 2nd International Workshop on Future Internet, Seoul, Korea, July 2007.

  59. “To Layer or Not to Layer”, Future Internet Forum, Seoul, Korea, May 2007.

  60. “Cross-layer Control in Wireless Mesh Networks”, tutorial at KISS Lecture Series, Seoul, Korea, May 2007.

  61. “Scheduling and Power Control for Multi-user Multi-carrier Multi-cell Networks”, tutorial at JCCI 2007, Phenix Park, Korea, May 2007.

  62. “Opportunistic Scheduling for Multi-user Multi-carrier Systems”, 1st Workshop on Cross-layer Design in Wireless Networks, Korea Science and Technology Center, Seoul, Korea, April 2007.

  63. “Distributed Control of Wireless Cooperative Networks”, 13th Wireless Communications Workshop, Korea Science and Technology Center, Seoul, Korea, February 2007.

  64. “Multi-hop Network and its Application to Underwater Communications”, 1st Symposium on Underwater Acoustic Communications, Seoul, Korea, December 2006.

  65. “Towards Real-time Traffic Engineering”, Future Internet Forum, Seoul, Korea, October 2006.

  66. “Mathematics of Wireless Multi-hop Network Design”, Department of Electronics Engineering, Sogang Univeristy, Seoul, Korea, August 2006.

  67. “Wireless Mesh Network Testbed at KAIST”, KCIST 2006 on Future Internet, Seoul, Korea, July 2006.

  68. “Wireless Mesh Network: Technology and Issues”, tutorial at KRNET 2006, Seoul, Korea, June 2006.

  69. “Wireless Mesh Networking: An Introduction”, ETRI, Daejon, Korea, May 2006.

  70. “Dynamic Programming: An Introduction”, Information and Communications University, Daejon, Korea, November 2005.

  71. “TCP Enhancement for BcN”, ETRI, Daejon, Korea, May 2004.

  72. “TCP Performance”, Samsung Lecture Series, Samsung Electronics, Suweon, Korea, May 2004.

  73. “Bandwidth Sharing in Processing-constrained Networks”, ICBN’04, Kobe, Japan, April 2004.

  74. “Flow Control toward Internet Traffic Engineering”, ETRI, Daejon, Korea, January 2004.

  75. “Flow Control toward Internet Traffic Engineering”, ETRI, Daejon, Korea, December 2003.

  76. “Ubiquitous Computing”, Hyundai Motors, Korea, September 2003.

  77. “TCP Enhancement for Fast WAN”, KRNET 2003, Seoul, Korea, June 2003.

  78. “Control-theoretic Unicast/Multicast Flow Control”, Ecole Norme Supreme (ENS), Paris, France, May 2003.

  79. “Design Issues for High-performance Routers”, Samsung Semiconductors, Kiheung, Korea, January 2003.

  80. “Wireless Packet Scheduling for QoS”, Samsung Electronics, Suweon, Korea, November 2002.

  81. “Internet Congestion Control”, Telecommunication Mathematics Research Center, Korea University, Seoul, Korea, 2002.

  82. “TCP-friendly Multimedia Flow Control and Beyond”, NV 2001, Muju, Korea, November 2001.

  83. “Current Issues and Directions of Packet Video Research and Applications”, panelist, International Packet Video Workshop’01, Kyungju, Korea, April 2001.

  84. “Packet Lookup and Classification in IP Routers”, IDEC-Samsung Lecture Series, Samsung Semiconductors, Kiheung, Korea, October 2000.

  85. “ATM Traffic Modeling and Control”, SWCC’97, Suanbo, Korea, July 1997.

  86. “Rate-based Flow Control Algorithms”, ITC Seminar on Available Bit Rate Services over ATM, Montreal, Canada, April 1996.

  87. “Issues and Challenges in ATM Networks”, 7th KISS-KOCSEA Workshop on Internet and Information Superhighway, Seoul, Korea, July 1995.


PAST GRADUATE STUDENTS
Yoora Kim (Post-doc in 2010): currently Post-doc at OSU with Prof. Ness Shroff

Kyuho Son (PhD in 2010, MS in 2004): currently with T-Mobile USA, Bellevue, WA, USA

Thesis: “Utility Optimal Load Balancing and Interference Management in Multi-cell Networks”

Kyunghan Lee (PhD in 2009, MS in 2004): currently Assistant Professor at UNIST, Korea

Thesis: “Human Mobility Patterns and Their Impact on Wireless Mobile Networks”

Hyangwon Lee (PhD in 2007, MS in 2003): currently Assistant Professor at Kunkuk University, Korea

Thesis: “Utility-based Cross-layer Radio Resource Management in Wireless Networks”

Wonseok Park (PhD in 2006): currently with LG Electronics

Thesis: “A Joint Congestion Control and Burst Contention Control Design for Optical Burst Switching Networks”

Minsu Shin (PhD in 2006): currently with Samsung Electronics

Thesis: “Bandwidth Allocation with Processing Constraint”

Jeongwoo Cho (PhD in 2005): currently Assistant Professor at KTH Royal Institute of Technology , Stockholm, Sweden

Thesis: “A Control-theoretic Approach to Flow Control in Communication Networks”

Hyungkeun Ryu (PhD in 2005): currently with Korea Telecom

Thesis: “Flow-controlled IP Trunking for Traffic Engineering in IP Networks”

Seoungjun Bae (PhD in 2004): currently with ETRI

Thesis: “Parallel Multimedia Streaming over the Internet”
Jihyun Lee (MS in 2009): currently with LG Electronics

Youngki Kim (MS in 2009): currently with Korea Telecom

Jeongho Jeon (MS in 2008): currently PhD student in EE, U. of Maryland with Prof. Anthony Ephremides

Anseok Lee (MS in 2008): currently with ETRI

Cheoljung Kim (MS in 2006): currently a dentist

Seungho Song (MS in 2006): currently MBA student at U. of California, Berkeley

Dongho Kim (MS in 2005): currently with Cisco, USA, PhD in ECE, UIUC with Prof. Yih-Chun Hu

Byungkwon Moon (MS in 2005): currently PhD student, EPFL

Junsung Kim (MS in 2004): currently PhD student in ECE, CMU with Prof. Raj Rajkumar

Sangyoon Yi (MS in 2003): currently Post-doc at Univ. of Michigan, Ann Arbor

Hyungje Cho (MS in 2002): currently with SK Telecom

Hyunhee Chung (MS in 2000): currently with Samsung Electronics

Joonyoung Park (MS in 2000): currently with Samsung Electronics

Soonhwan Kwon (MS in 2000): currently with Samsung Electronics

Junghoon Kim (MS in 2000) : currently AMD Korea

Jongmin Son (MS in 2000): currently with Samsung Electronics

Jaeyoung Lee (MS in 2000): currently with LG Electronics

Hyunmok Joung (MS in 1999): currently with Samsung Electronics

Sangdo Park (MS in 1999): currently with Samsung Electronics

Sangho Lee (MS in 1999): currently with Samsung Electronics



STUDENT PAPER AWARDS


  1. Gold Prize at the 18th Samsung Humantech Paper Awards, 2011 (Joohyun Lee, MS in 2010) “Economics of WiFi Offloading: Trading Delay for Cellular Capacity”

  2. Silver Prize at the 17th Samsung Humantech Paper Awards, 2010 (Jaesung Jeong, MS in 2010) “ExMin: A Routing Metric for True Opportunity Gain in Delay Tolerant Networks”

  3. Silver Prize at the 16th Samsung Humantech Paper Awards, 2009 (Kyunghan Lee, PhD in 2009)

"Max Contribution: On Optimal Resource Allocation in Delay Tolerant Networks"

  1. Silver Prize at the 14th Samsung Humantech Paper Awards, 2007 (Jeongho Jeon, MS in 2008)

“Radio Resource Management in Multi-hop Cellular Networks: Cross-Layer Design”

  1. Silver Prize at the 13th Samsung Humantech Paper Awards, 2006 (Kyuho Son, PhD in 2010)

“Load Balancing and Interference Management in Multi-cell Networks”

  1. Bronze Prize at the 9th Samsung Humantech Paper Awards, 2002 (Sangyoon Yi, MS in 2003)

“Max-Min Flow Control in Programmable Routers”

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