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Tcha,  Dong-Wan Emeritus Professor 사진
Tcha, Dong-Wan Emeritus Professor
Contact Information
Research Areas Management science, IT/Media Network Management


    ▶ Ph.D. (Operations Research), Northwestern University, 1975
    ▶ M.S. (Industrial Engineering), Northwestern University, 1972
    ▶ B.S. (Electronic Engineering), Seoul National University, 1969


    + Dean (Present)
    Graduate school of Information & Management, KAIST
    + Member (Present)
    The National Academy of Engineering of Korea(NAEK)
    + Member of the Advisory Editorial Board(AEB) (Present)
    Journal of Information Technology and Management, Baltzer Science Publishers
    + Member (Present)
    Korea IT Leaders Forum

    + Director (2002 - 2004)
    Advanced Telecom Management Program(ATM), KAIST
    + Director (1996 - 2002)
    Center for Telecommunications Management and Policy (CTMP)
    + General Co-Chair (2000)
    INFORMS 2000 Seoul International Conference
    + Editor (2000)
    Special Issue(2000) on "Telecommunications Research in Korea"
    Telecommunication Systems, Baltzer Science Publishers

    + Chairman (1996 - 1999)
    Telecom-MBA Program, KAIST Graduate School of Management
    + President (1997 - 1998)
    Korea Operations Research and Management Science Society
    + Director of Academic Activities, Chairman of SIG on Telecom Management (1993 -1994) Korean Institute of Communication Sciences
    + Vice-president (1990 - 1992)
    Korea Operations Research and Management Science Society

    + Humboldt Fellow (1987)
    School of Computer Science, University of Darmstadt (TH Darmstadt), Germany
    + Guest Scientist (1986-1987) Digital Network Group, German Aerospace Research Agency (DFVLR), Germany
    + Chairman (1982 - 1984)
    Department of Management Science, KAIST
    + Editor-in-Chief (1983 - 1985)
    Journal of the Korean Operations Research and Management Science Society
    + Visiting Scientist (1983)
    IBM Japan Science Institute, Tokyo, Japan
    + Visiting Scientist (1981 - 1982)
    IBM Thomas J. Watson Research Center,Yorktown Heights, New York, U.S.A.

    + Invited Researcher (1979-1980)
    Korea Institute of Science and Technology
    + Invited Researcher (1978)
    Department of Engineering-Economic Systems, Stanford University, U.S.A.
Publications & Research

Publications (patents, etc.)

    < Part I Telecommunications Systems >
    - Call control in a CDMA cellular system
    (1) Load Analysis of the Soft Handoff scheme in a CDMA cellular system, IEEE J-SAC.Vol.19, No.6, pp.1147~1152, 2001, D.W. Tcha, S.Y. Kang & G.W. Jin
    (2) Integrated Call Control in a CDMA Cellular System, IEEE Trans VT., Vol.50, No.1, pp.97~108, 2001, D.W. Tcha, C.H. Paik, G.H. Jin & J.H. Ahn

    - Frequency assignment in a FDMA/TDMA system
    (3) A New Lower Bound for the Frequency Assignment Problem, IEEE/ACM Trans. on Networking, Vol. 5, No.2, pp.34~39, 1997, D.W. Tcha & Y.J. Chung
    (4) Prioritized Channel Assignment in a Cellular Radio Network, IEEE Trans. Communications, Vol.40, No.7, pp.1259~1269, 1992, S.H. Oh & D.W. Tcha

    - Survivable network design and control
    (5) Design of Communication Networks with Survivability Constraints, Management Science, Vol. 45, No. 2, pp.238~252, Y.S. Myung , H.J. Kim & D.W. Tcha
    (6) Optimal Load Balancing on SONET Bidirectional Rings, perations Research (OR), Vol.45, No.1, pp.148~152, 1997, Y.S. Myung, H.G. Kim & D.W. Tcha

    - Other network management issues
    (7) Location-Area Partition in a Cellular Network, J, of OR Society, Vol.48, No.11, pp.1076~1081, 1997, D.W. Tcha, T.J. Choi & Y.S. Myung
    (8) Information Dissemination in Trees with Nonuniform Edge Transmission Times, IEEE Trans. on Computers, Vol.40, No.10, pp.1174~1177, 1991, J.M. Koh & D.W. Tcha

    < Part II Operations Research >
    - Performance modeling and analysis (and communication related ones)
    (9) On The Generalized Minimum Spanning Tree problem, Networks, Vol.26, No.4, pp.231~241, 1995, Y.S. Myung, C.H. Lee & D.W. Tcha
    (10) Optimal Control of Single Server Queuing Networks and Multiclass M/G/1 Queues with Feedback, Operations Research, Vol.25, No.2, pp.248~258, 1977, D.W.Tcha & Stanley R. Pliska

Research Areas

    ▶ Digital Convergence Strategy and Business Models
    ▶ ICM(Information, Communication & Media) Management: Technology, Industry Analysis & Strategy Development
    ▶ Market Analysis and Planning of ICM Services
    ▶ Constructing and Interconnecting (multi) media networks for the ubiquitous society
Contact : Joo, Sunhee ( shjoo2006@business.kaist.ac.kr )

Faculty & Research