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Showing results 1 to 60 of 77

1	A bi-objective uncapacitated facility location problem Myung, YS; Kim, HG; Tcha, Dong Wan, EUROPEAN JOURNAL OF OPERATIONAL RESEARCH, v.100, no.3, pp.608 - 616, 1997-08
2	A BRANCH AND BOUND ALGORITHM FOR THE 2-LEVEL UNCAPACITATED FACILITY LOCATION PROBLEM WITH SOME SIDE CONSTRAINTS RO, HB; Tcha, Dong Wan, EUROPEAN JOURNAL OF OPERATIONAL RESEARCH, v.18, no.3, pp.349 - 358, 1984-12
3	A BRANCH-AND-BOUND ALGORITHM FOR THE MULTI-LEVEL UNCAPACITATED FACILITY LOCATION PROBLEM Tcha, Dong Wan; LEE, Bum Il, EUROPEAN JOURNAL OF OPERATIONAL RESEARCH, v.18, no.1, pp.35 - 43, 1984-10
4	A column generation approach to the heterogeneous fleet vehicle routing problem Choi, E; Tcha, Dong Wan, COMPUTERS & OPERATIONS RESEARCH, v.34, no.7, pp.2080 - 2095, 2007-07
5	A Comparative Study on the Structural Characteristics of CATV Networks Tcha, Dong Wan; Paik, C.H.; Yoon, M.G., Proc. Conf. Korean Inst. Comm. Sciences, pp.17 - 34, 1996
6	A CROSS DECOMPOSITION PROCEDURE FOR THE FACILITY LOCATION PROBLEM WITH A CHOICE OF FACILITY TYPE YOO, CB; Tcha, Dong Wan, COMPUTERS INDUSTRIAL ENGINEERING, v.10, no.4, pp.283 - 290, 1986-04
7	A DUAL ALGORITHM FOR SUBMODULAR FLOW PROBLEMS CHUNG, NK; Tcha, Dong Wan, OPERATIONS RESEARCH LETTERS, v.10, no.8, pp.489 - 495, 1991-11
8	A DUAL-BASED ADD HEURISTIC FOR UNCAPACITATED FACILITY LOCATION Tcha, Dong Wan; RO, Hyung Bong; YOO, Chun Beon, JOURNAL OF THE OPERATIONAL RESEARCH SOCIETY, v.39, no.9, pp.873 - 878, 1988-09
9	A DUAL-BASED HEURISTIC FOR THE SIMPLE FACILITY LOCATION PROBLEM WITH STOCHASTIC DEMAND Tcha, Dong Wan; YOON, MG, IIE TRANSACTIONS, v.17, no.4, pp.364 - 369, 1985-12
10	A fuzzy set-theoretic method for public facility location CHUNG, Ki-ho; Tcha, Dong Wan, European Journal of Operational Research, v.58, no.1, pp.90 - 98, 1992-04
11	A HEURISTIC FOR MULTIPLE-CHOICE PROGRAMMING CHANG, SG; Tcha, Dong Wan, COMPUTERS OPERATIONS RESEARCH, v.12, no.1, pp.25 - 37, 1985-01
12	A New Branch and Bound Algorithm for the Warehouse Location Problem in a Two-Stage Distribution System Tcha, Dong Wan; Choi, W. J., Proceedings of International Conference in ISDEMC, Bangkok, Thailand, 1980
13	A new lower bound for the frequency assignment problem Tcha, Dong Wan; Chung, YJ; Choi, TJ, IEEE-ACM TRANSACTIONS ON NETWORKING, v.5, no.1, pp.34 - 39, 1997-02
14	A PARALLEL ALGORITHM AND DUALITY FOR A FUZZY MULTIOBJECTIVE LINEAR FRACTIONAL-PROGRAMMING PROBLEM LEE, BI; CHUNG, NK; Tcha, Dong Wan, COMPUTERS INDUSTRIAL ENGINEERING, v.20, no.3, pp.367 - 372, 1991-03
15	A Study on CATV Network Topologies Tcha, Dong Wan; Paik, CH; Yoon, MG, 한국통신학회논문지, v.8, no.3, 1991
16	An Interactive Common Channel Signaling Network Planning System Tcha, Dong Wan; Kim, H. J.; Chang, S. G.; Lee, Y. H., 13th International Teletraffic Congress, Copenhagen, Denmark, 1991
17	AN ITERATIVE PROCEDURE FOR FUZZY-PROGRAMMING PROBLEMS WITH LINEAR FRACTIONAL OBJECTIVES LEE, Bum il; Tcha, Dong Wan, COMPUTERS INDUSTRIAL ENGINEERING, v.16, no.2, pp.269 - 275, 1989
18	An Optimization Model for Multi-Ring Design in Fiber-Optic Network Adh, D.H.; Kim, K.M.; Tcha, Dong Wan, Joint Conference on Communications & Informations(JCCI) I '97, 1997
19	Analyzing the Effect on the Message Delay of Some System Parameter Changes in Communication Networks Tcha, Dong Wan; Chang, S. G., International Seminar on Computer Networking and Performance Evaluation, Tokyo, Japan, 1985
20	Analyzing the Effect on the Message Delay of Some System Parameter Changes in Communication Networks Tcha, Dong Wan, COMPUTER NETWORKING AND PERFORMANCE EVALUATION, v.0, no.0, pp.0 - 0, 1986-09
21	Another Heuristic Procedure for Frequency Assignment in a Cellular Radio System Oh, S.H.; Ma, Joong Soo; Tcha, Dong Wan, Asia Pacific Conf. on Communication, v.2, no.1, pp.120 - 124, 1993-01
22	Approximate analysis of finite fork/join queueing networks Kim, JH; Tcha, Dong Wan, COMPUTERS & INDUSTRIAL ENGINEERING, v.32, no.4, pp.799 - 810, 1997-09
23	Bandwidth Sharing Methods in Reconfigurable Communication Networks Chang, S.G.; Baek, Y.H.; Tcha, Dong Wan, Telecomm. Systems Conference, pp.61 - 77, 1993
24	Base station location in a cellular CDMA system Tcha, Dong Wan; Myung, YS; Kwon, JH, TELECOMMUNICATION SYSTEMS, v.14, no.1-4, pp.163 - 173, 2000-08
25	Call Control Strategy in IMT-2000 systems Tcha, Dong Wan; Kang, S.Y., The International Federation of Operational Research Society(IFORS) 15th Triennial Conferencer, 1999
26	Channel Assignments Between Analog and Digital Calls in TDMA Dual-Mode Cellular Systems Tcha, Dong Wan; Paik, C.H.; Chung, Y.J., APORS'94, 1994
27	Comparative economic analysis between direct and indirect wiring in the copper-based local loop Tcha, Dong Wan; Choi, JS, JOURNAL OF THE OPERATIONAL RESEARCH SOCIETY, v.50, no.5, pp.531 - 535, 1999-05
28	CONDUIT AND CABLE INSTALLATION FOR A CENTRALIZED NETWORK WITH LOGICAL STAR-STAR TOPOLOGY Tcha, Dong Wan; YOON, MG, IEEE TRANSACTIONS ON COMMUNICATIONS, v.43, no.2-4, pp.967 - 2, 1995-02
29	Cost-minimizing construction of a unidirectional SHR with diverse protection Chung, SH; Kim, HG; Yoon, YS; Tcha, Dong Wan, IEEE-ACM TRANSACTIONS ON NETWORKING, v.4, no.6, pp.921 - 928, 1996-12
30	Design of a distributed fiber transport network with hubbing topology Yoon, MG; Baek, YH; Tcha, Dong Wan, EUROPEAN JOURNAL OF OPERATIONAL RESEARCH, v.104, no.3, pp.510 - 520, 1998-02
31	Design of Communication Networks with Survivability Constraints Myung, Y.S.; Kim, H.J.; Tcha, Dong Wan, Korea Telecommunications International Symposium, pp.42 - 48, 1994
32	Design of communication networks with survivability constraints Myung, YS; Kim, HJ; Tcha, Dong Wan, MANAGEMENT SCIENCE, v.45, no.2, pp.238 - 252, 1999-02
33	Design Process for SDH based Self-healing Optical Transmission Network Tcha, Dong Wan; Yoon, MG, TELECOMMUNICATIONS REVIEW, v.9, no.2, 1999
34	Development of Signalling Network Planning System(SINEPS) Tcha, Dong Wan; Kim, HJ; Yoon, MG; Lee, YH, 한국통신학회논문지, v.7, no.2, 1990
35	Efficient multi-layered CDMA cell configuration avoiding inter-cell hard handoffs Jin, GW; Cho, ES; Cho, CH; Lee, H; Tcha, Dong Wan, IEICE TRANSACTIONS ON COMMUNICATIONS, v.E82B, no.5, pp.776 - 779, 1999-05
36	Feasible region reduction cuts for the simple plant location problem Myung, YS; Tcha, Dong Wan, JOURNAL OF THE OPERATIONS RESEARCH SOCIETY OF JAPAN, v.39, no.4, pp.614 - 622, 1996-12
37	FTTC/xDSL network planning under uncertain demand Choi, J. S.; Tcha, Dong Wan; Lee, S. H.; Ahn, D. H., INFORMS 2000 Seoul, pp.1620 - 1627, The Korean Operations Research and Management Science Society, 2000
38	Handoff management without intercell hard handoffs in a multifrequency CDMA system Tcha, Dong Wan; Jin, GW; Paik, CH, IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, v.52, no.2, pp.357 - 364, 2003-03
39	INFORMATION DISSEMINATION IN TREES WITH NONUNIFORM EDGE TRANSMISSION TIMES KOH, JM; Tcha, Dong Wan, IEEE TRANSACTIONS ON COMPUTERS, v.40, no.10, pp.1174 - 1177, 1991-10
40	ISP's Internet Backbone augmentation using virtual link configuration in link-state routing. Tcha, Dong Wan; Kim, D.H.; Lee, S.H., International Conference of Performance and QoS on Network, International Conference of Performance and QoS on Network, 2000-11
41	Korean telecommunication industry in transition Tcha, Dong Wan; Park, JS; Chang, SG; Song, KH, TELECOMMUNICATION SYSTEMS, v.14, no.1-4, pp.3 - 12, 2000
42	LINK-BY-LINK BANDWIDTH ALLOCATION IN AN INTEGRATED VOICE DATA NETWORK USING THE FUZZY SET APPROACH Tcha, Dong Wan; JIN, CY; LUTZ, E, COMPUTER NETWORKS AND ISDN SYSTEMS, v.16, no.3, pp.217 - 227, 1989-03
43	Load analysis of the soft handoff scheme in a CDMA cellular system Tcha, Dong Wan; Kang, SY; Jin, GW, IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS, v.19, no.6, pp.1147 - 1152, 2001-06
44	LOCAL BROADCASTING IN A TREE UNDER MINISUM CRITERION KOH, JM; Tcha, Dong Wan, NETWORKS, v.23, no.1, pp.71 - 79, 1993-01
45	Location-area partition in a cellular radio network Tcha, Dong Wan; Choi, TJ; Myung, YS, JOURNAL OF THE OPERATIONAL RESEARCH SOCIETY, v.48, no.11, pp.1076 - 1081, 1997-11
46	MANAGEMENT SCIENCE AND OPERATIONS-RESEARCH IN THE REPUBLIC-OF-KOREA Tcha, Dong Wan, Interfaces, v.21, no.5, pp.70 - 78, 1991-09
47	Modified Economic Order Quantity under the Criterion of Internal Rate of Return Tcha, Dong Wan, 대한산업공학회지, v.4, no.1, pp.49 - 55, 1978
48	On stacking bi-directionaf self-healing-rings on a conduit ring Min, Byung Suk; Tcha, Dong Wan, COMPUTERS & INDUSTRIAL ENGINEERING, v.45, no.1, pp.127 - 139, 2003-06
49	ON THE GENERALIZED MINIMUM SPANNING TREE PROBLEM MYUNG, YS; LEE, CH; Tcha, Dong Wan, NETWORKS, v.26, no.4, pp.231 - 241, 1995-12
50	ON THE SELECTION OF PRIMARY PATHS FOR A COMMUNICATION-NETWORK Tcha, Dong Wan; MARUYAMA, K, COMPUTER NETWORKS AND ISDN SYSTEMS, v.9, no.4, pp.257 - 265, 1985-04
51	On Two Representative Strategies for Channel Assignment in a FDMA/TDMA Cellular System Tcha, Dong Wan; Myung, YS; Choi, TJ, IEEE-ACM TRANSACTIONS ON NETWORKING, pp.45 - 45, 1995
52	On Two Representative Strategies for Channel Assignment in a FDMA/TDMA Cellular System Tcha, Dong Wan; Myung, Y. S.; Choi, T. J., Proceedings of KORMS/KIIE, Spring, pp.45 - 45, The Korean Operations Research and Management Science Society, 1995-04
53	Optimal deployment of optical network with ring/ring topology Tcha, Dong Wan; Min, B. S.; Ahn, D. H., Proceeding of APORS '97, 1997
54	Optimal Deployment of SDH Networks with Ring/Ring Topology Min, B.S.; Adh, D.H.; Tcha, Dong Wan, 대한산업공학회 /한국경영과학회 춘계 공동학술대회, 1997
55	Optimal design model for a distributed hierarchical network with fixed-charged facilities Yoon, Moon-gil; Baek, Young-Ho; Tcha, Dong Wan, OMEGA-INTERNATIONAL JOURNAL OF MANAGEMENT SCIENCE, v.6, no.2, pp.29 - 45, 2000-06
56	Optimal design of a distributed network with a two-level hierarchical structure CHUNG, SH; MYUNG, YS; Tcha, Dong Wan, European Journal of Operational Research, v.62, no.1, pp.105 - 115, 1992-10
57	Optimal Layout of a SONET ADM Ring with a Hub Tcha, Dong Wan; Chung, S.H.; Kim, H.G., APORS'94, 1994
58	Optimal load balancing on SONET bidirectional rings Myung, YS; Kim, HG; Tcha, Dong Wan, OPERATIONS RESEARCH, v.45, no.1, pp.148 - 152, 1997-01
59	Optimal setup of interference threshold in a multi-cell WCDMA environment Kim, JH; Chung, YJ; Tcha, Dong Wan, COMPUTER COMMUNICATIONS, v.26, no.12, pp.1415 - 1418, 2003-07
60	OPTIMAL-CONTROL OF SINGLE-SERVER QUEUING NETWORKS AND MULTI-CLASS M-G-1 QUEUES WITH FEEDBACK Tcha, Dong Wan; PLISKA, Stanley R, OPERATIONS RESEARCH, v.25, no.2, pp.248 - 258, 1977-03

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