International Journal Papers

1.       Q. Ding, J. Wang, X.M. Zhang, D.K. Sung, “Modeling and Characterization of the Detection and Suppression of Bogus Messages in Vehicular Ad Hoc Networks,” IEEE Trans. On Mobile Computing, vol. 22, issue 10, pp. 6027-6040, Oct. 2023.

2.       H. Zhang, X.M. Zhang, D.K. Sung, “A Fast, Reliable, Opportunistic Broadcast Scheme with Mitigation of Internal Interference in VANETs,” IEEE Trans. On Mobile Computing, vol. 22, issue 4, pp. 1880-1893, April 2023.

3.       H.S. Jang, I. Bang, T. Kim, and D.K. Sung, “An Opportunistic Power Control Scheme for Mitigating User Location Tracking Attacks in Cellular Networks," IEEE Transactions on Information Forensics & Security, vol. 17, pp.1131-1144, March 2022.

4.       H.S. Jang, B.C. Jung, T.Q.S. Quek, and D.K. Sung, “Resource-Hopping Based Grant-Free Multiple Access for 6G-Enabled IoT Networks,” IEEE Internet of Things Journal, vol. 8, no. 20, pp. 15349-15360, Oct. 15, 2021.  

5.       H. Zhang, X.M. Zhang, D.K. Sung, “An Efficient Cooperative Transmission Based Opportunistic Broadcast Scheme in VANETs," IEEE Trans. On Mobile Computing, Aug. 19. 2021.

6.       H. Zhang, L. Feng, T. Zheng, and D. K. Sung, “Characterization of BS Deployment Distribution and Coverage in Heterogeneous Networks,” IET Communications, Feb. 23, 2021.

7.       H. Zhang, D.K. Sung, and J. Wang, “Modeling and Analysis of Coverage for Unmanned Aerial Vehicle Base Stations,” IET Communications, vol. 14, no. 17, pp. 2878-2888, Oct. 2020.

8.       K.Y. Bae, H.S. Jang, B.C. Jung, and D.K. Sung, “Apartment-Level Electric Vehicle Charging Coordination: Peak Load Reduction and Charging Payment Minimization,” Energy and Buildings, vol. 223, 110155, Sep. 2020.

9.       H. Zhang and D.K. Sung, “Downlink Coverage Analysis Based on a Hybrid Model with Dual-Slope Path Loss,” IET Communications, vol. 14, iss. 13, pp. 2079-2083, Aug. 2020.

10.    X.M. Zhang, L. Tao, F. Yan, and D.K. Sung, “Shortest-Latency Opportunistic Routing in Asynchronous Wireless Sensor Networks with Independent Duty-Cycling,” IEEE Trans. On Mobile Computing, vol. 19, no. 3, pp. 711-723, March 2020.

11.    X.M. Zhang, L. Yan, K. Chen, D.K. Sung, “Fast, Efficient Broadcast Schemes Based on the Prediction of Dynamics in Vehicular Ad hoc Networks," IEEE Trans. On Intelligent Transportation Systems, vol. 21, no. 2, pp.531-542, Feb. 2020.

12.    T. Kim, B.C. Jung, and D.K. Sung, “An Enhanced Random Access with Distributed Pilot Orthogonalization for Cellular IoT Networks,” IEEE Trans. On Vehicular Technology, vol. 69, no. 1, pp.1152-1156, Jan. 2020.

13.    Q. Ding, X. Zeng, X.M. Zhang, and D.K. Sung, “A Public Goods Game Theory Based Approach to Cooperation in VANETs under a High Vehicle Density Condition,” IEEE Trans. On Intelligent Transportation Systems, vol. 20, no. 11, pp. 3995-4005, Nov. 2019.

14.    J.Y. Kim, H. Jin, J.B. Seo, S.H. Kim, and D.K. Sung, “Adaptive Transmission Control for Uplink/Downlink Fairness in Unsaturated CSMA Networks,” IEEE Communications Letters, vol. 23, no. 10, pp. 1879-1882, Oct. 2019.

15.    H. Zhang, L. Li, and D.K. Sung, “A Closed-Form Expression for Coverage and Average Rate of 2D and 3D Cellular Networks,” Electronics Letters, accepted, June 21, 2019.

16.    K.Y. Bae, H.S. Jang, B.C. Jung, and D.K. Sung, “Effect of Prediction Error of Machine Learning Schemes on Photovoltaic Power Trading Based on Energy Storage Systems,” Energies, April. 1, 2019. (Energies 2019, 12, 1249; doi:10.3390/en12071249)

17.    D.H. Choi, B.H. Jung, and D.K. Sung, “Energy-Aware Path Planning of an Unmanned Aerial Vehicle Acting as a Communication Relay for Mobile Ground Nodes,” Proceedings of the Institution of Mechanical Engineers Part G- Journal of Aerospace Engineering, vol. 233, no. 3, pp.1124-1132, March 2019.

18.    K.S. Ko and D.K. Sung, “The Effect of Cellular Network-Based Communication Delays in an EV Aggregator’s Domain on Frequency Regulation Service,“  IEEE Trans. On Smart Grid, vol. 10, no. 1, pp.65-73, Jan. 2019.

19.    X.M. Zhang, L. Yan, H. Zhang, and D.K. Sung, “A Concurrent Transmission Based Broadcast Scheme for Urban VANETs,” IEEE Trans. On Mobile Computing, vol. 18, no. 1, pp.1-12, Jan. 2019.

20.    H.S. Jang, B.C. Jung, and D.K. Sung, “Dynamic Access Control with Resource Limitation for Group Paging Based Cellular IoT Systems,” IEEE Internet of Things Journal, vol. 5, no. 6, pp.5065-5075, Dec. 2018.

21.    J.Y. Kim, S.H. Kim, and D.K. Sung, “Hybrid ARQ-based Uplink/Downlink Fairness Enhancement in WLAN,” IEEE Trans. On Vehicular Technology, vol. 67, no. 10, pp. 10107-10111, Oct. 2018. 

22.    I. Bang, S.M. Kim, and D.K. Sung, “Artificial Noise-Aided User Scheduling from the Perspective of Secrecy Outage Probability,” IEEE Trans. On Vehicular Technology, vol. 67, no. 8, pp.7816-7820, Aug. 2018.

23.    K.S. Ko, S. Han, and D.K. Sung, “A New Mileage Payment for EV Aggregators with Varying  Delays in Frequency Regulation Service,” IEEE Trans. On Smart Grid, vol. 9, no.4, pp.2616-2624, July 2018.

24.    J.Y. Kim, S.H. Kim, D.K. Sung, “Hybrid ARQ-based Fairness Enhancement in Uplink WLAN,” IEEE Trans. On Wireless Communications, vol. 17, no. 7, pp.4362-4373, July 2018.

25.    K.S. Ko, S. Han, and D.K. Sung, “Performance-Based Settlement of Frequency Regulation for Electric Vehicle Aggregators,” IEEE Trans. On Smart Grid, vol. 9, no. 2, pp. 866-875, March 2018.

26.    H.S. Jang, S.M. Kim, H.S. Park, and D.K. Sung, “A Preamble Collision Resolution Scheme Based on Captured Multiple Timing Advance Values for Cellular IoT/M2M Communications,” IEEE Trans. On Vehicular Technology, vol. 67, no. 2, pp. 1825-1829, Feb. 2018.

27.    S.H. Kim, S.J. Lee, and D.K. Sung, “Rate Selection for Wireless Multicast System Adopting Incremental Redundancy Type Hybrid-ARQ Multicast,” Journal of Communications and Networks, vol. 20, no. 1, pp.47-56, Feb., 2018.

28.    K.S. Ko and D.K. Sung, “The Effect of EV Aggregators with Time-Varying Delays on the Stability of a Load Frequency Control System,” IEEE Trans. On Power Systems, vol. 33, no. 1, pp.669-680, Jan. 2018. 

29.    K.S. Ko, W.I. Lee, P.G. Park, and D.K. Sung, “Delays-Dependent Region Partitioning Approach for Stability Criterion of Linear Systems with Multiple Time-Varying Delays,” Automatica, vol. 87, pp. 389-394, Jan. 2018.

30.    T. Kim, I.K. Bang, D.K. Sung, “An Enhanced PRACH Detector for Cellular IoT Communications,” IEEE Communications Letters, vol. 21, no. 12, pp.2678-2681, December 2017.

31.    J.Y. Kim, H. Jin, S.H. Kim, and D.K. Sung, “Backlog Estimation for Uplink/Downlink Fairness in Unsaturated Bidirectional CSMA Networks,” IEEE Communications Letters, vol. 21, no. 12, pp.2702-2705, December 2017.

32.    E.M. Chu, N.O. Song, D.K. Sung, “A Batch Packet Server (BPS)- based Discontinuous Reception Mechanism for Energy Saving,” IEEE Trans. On Vehicular Technology, vol. 66, no. 11, pp.10557-10561, Nov. 2017.

33.    I Bang, S.M. Kim, D.K. Sung, “Adaptive Multiuser Scheduling for Simultaneous Wireless Information and Power Transfer in a Multi-cell Environment,” IEEE Trans. On Wireless Communications, vol. 16, no. 11, pp.7460-7474, Nov. 2017.

34.    T. Kim, D.M. Kim, N.K. Pratas, P. Popovski, and D.K. Sung, “An Enhanced Access Reservation Protocol with a Partial Preamble Transmission Mechanism in NB-IoT Systems,” IEEE Communications Letters, vol.21, no.10, pp.2270-2273, Oct. 2017.

35.   H.S. Jang, S.M. Kim, H.S. Park, and D.K. Sung, “An Early Preamble Collision Detection Scheme Based on Tagged Preambles for Cellular M2M Random Access,” IEEE Trans. On Vehicular Technology, vol. 66, no. 7, pp. 5974-5984, July 2017. 

36.   H.S. Jang, H.S. Park, and D.K. Sung, “A Non-Orthogonal Resource Allocation Scheme in Spatial Group based Random Access for Cellular M2M Communications,” IEEE Trans. On Vehicular Technology, vol. 66, no. 5, pp. 4496-4500, May 2017.

37.    T. Kumrai, K. Ota, M. Dong, J. Kishigami, and D.K. Sung, “Multi-objective Optimization in a Cloud Brokering System for the Connected Internet of Things,” IEEE Internet of Things Journals, vol. 4, issue 2, pp.404-413, April 2017.

38.    I.K. Bang, S.M. Kim, D.K. Sung, “Artificial Noise Aided User Scheduling for Optimal Secrecy Multiuser Diversity,” IEEE Communications Letters, vol. 21, no. 3, pp. 528-531, March 2017.

39.   K.Y. Bae, H.S. Jang, and D.K. Sung, “Solar Irradiance Prediction Based on Support Vector Machine and Its Error Analysis,” IEEE Trans. On Power Systems, vol. 32, no. 2, pp. 935-945, March 2017.

40.   J.Y. Cha, H. Jin, and D.K. Sung, “Fair Channel Access in Uplink WLANs Supporting Multi-Packet Reception with Multi-User MIMO,” IEEE Communications Letters, vol. 20, no. 10, pp. 2075-2078, Oct. 2016.

41.  X.M. Zhang, X.L. Cao, L. Yan, and D.K. Sung, “A Street-centric Opportunistic Routing Protocol Based on Link Correlation for Urban VANETs,” IEEE Trans. On Mobile Computing, vol. 15, no. 7, pp.1586-1599, July 2016.

42.  X.M. Zhang, K.H. Chen, X.L. Cao, and D.K. Sung, “A Street-centric Routing Protocol based on Micro Topology in Vehicular Ad hoc Networks,” IEEE Trans. On Vehicular Technology, vol. 65, no.7, pp. 5680-5694, July 2016.

43.   H.S. Jang, K.Y. Bae, H.S. Park, and D.K. Sung, “Solar Power Prediction Based on Satellite Images and Support Vector Machine,” IEEE Trans. On Sustainable Energy, vol. 7, no. 3, pp.1255-1263, July 2016.

44.  H.S. Jang, S.M. Kim, H.S. Park, and D.K. Sung, “Message-Embedded Random Access for Cellular M2M Communications,” IEEE Communications Letters, vol. 20, no. 5, pp.902-905, May 2016.

45.  B.C. Jung, S.M. Kim, and D.K. Sung, “Joint Link Adaptation and User Scheduling with HARQ in Multi-Cell Environments," IEEE Trans. On Vehicular Technology, vol. 65, no. 3, pp.1292-1302, March 2016.

46.   T.H. Kim, H.S. Jang, and D.K. Sung, “A Novel Root-Index Based Prioritized Random  Access Scheme for 5G Cellular Networks,” ICT Express, Dec. 2015.

47.   E.M. Chu, N.O. Song, and D.K. Sung, “Remaining Energy-Aware QoE Based Binary-Exponential Sleep Mode Operation,” IEEE Communications Letters, vol. 19, no. 12, pp. 2226-2229, Dec. 2015.

48.   T.H. Kim, H.S. Jang, and D.K. Sung, “An Enhanced Random Access with Spatial Group Based Reusable Preamble Allocation in Cellular M2M Network,” IEEE Communications Letters, vol. 19, no. 10, pp. 1714-1717, Oct. 2015.

49.   I.K. Bang, S.M. Kim, D.K. Sung, “Effects of Multiple Antennas and Imperfect Channel Knowledge on Secrecy Multiuser Diversity,” IEEE Communications Letters, vol. 19, no. 9, pp. 1564-1567, Sep. 2015.

50.   N.O. Song, D.J. Suh, and D.K. Sung, and S. Chang, “Apartment to Grid (A2G) Paradigm for Demand and Cost Sensitive Residential Complex Energy Management,” Energy and Buildings, 107, pp. 191-203, August 2015.

51.   J.W. Chong, C.H. Cho, H.Y. Hwang, and D.K. Sung, “An Adaptive WLAN Interference Mitigation Scheme for ZigBee Sensor Networks,” International Journal of Distributed Sensor Networks (IJDSN) (Hindawi), vol. 2015 (2015), Article ID 851289, 16 pages, 2015. August 2015.(Invited Paper)

52.   S.H. Kim, S.J. Lee, and D.K. Sung, “HARQ Rate Selection Schemes in a Multihop Relay Network with a Delay Constraint,” IEEE Trans. On Vehicular Technology, vol. 64, no. 6, pp. 2333-2348. Jun. 2015

53.   X.M. Zhang, H. Zhang, and D.K. Sung, “Light-weight Self-adapting Linear Data Prediction Algorithms for Wireless Sensor Networks,” IEEE Sensors Journal, vol. 15, no.5, pp.3050-3058, May 2015.

54.   S.H. Kim, D.K. Sung, T. Le-Ngoc, “Variable-length Feedback Codes under a Strict Delay Constraint,” IEEE Communications Letters, vol. 19, no. 4, pp. 513-516, Apr. 2015.

55.   S.H. Kim, B.C. Jung, D.K. Sung, “Transmit Power Optimization for Two-Way Relay Channels with Physical-Layer Network Coding,” IEEE Communications Letters, vol. 19, no.2, pp.151-154, Feb. 2015.

56.   H. Jin, J.B. Seo, and D.K. Sung, “Stability Analysis of p-Persistent Slotted CSMA Systems with Finite Population, “IEEE Trans. On Communications, vol. 62, no. 12, pp.4373-4386, Dec. 2014.

57.   D.H. Choi, S.H. Kim, and D.K. Sung, “Energy-efficient Maneuvering & Communication of a Single UAV-based Relay,” IEEE Trans. On Aerospace Electronics Systems, vol. 50, no.3, pp.2319-2326, July 2014.

58.   H.S. Jang, S.M. Kim, K.S. Ko, J.Y. Cha, and D.K. Sung,” Spatial Group based Random Access for M2M Communications,” IEEE Communications Letters, vol.18, no.6, pp.961-964, June 2014.

59.   J.W. Chong, H.Y. Hwang, D.K. Sung, and Y. Nam, “A Comprehensive Analysis of Association Process for IEEE 802.15.4 Wireless Networks,” Int. Journal of Ad Hoc and Ubiquitous Computing, vol. 16, no. 1, pp.70-77, June 2014. https://doi.org/10.1504/IJAHUC.2014.062491

60.   B.H. Jung, N. Song, and D.K. Sung, “A Network-assisted User-Centric WiFi-Offloading Model for Maximizing Per-User Throughput in an Overlay Network,” IEEE Transaction on Vehicular Technology, vol. 63, no.4, pp.1940, 1945, May 2014.

61.   J.W. Chong, H.Y. Hwang, D.K. Sung, and Y. Nam, “A Comprehensive Analysis of Association Process for IEEE 802.15.4 Wireless Networks,” International Journal of Ad Hoc and Ubiquitous Computing, vol. 16, no. 1, pp.70-77, 2014.  (impact factor 0.85)

62.   S.H. Kim, S.J Lee, and D.K. Sung, “Low-Complexity Rate Selection of HARQ with Chase Combining in Rayleigh Block Fading Channels,” IEEE Trans. On Vehicular Technology, vol. 62, no. 6, pp.2818-2824, 2013.

63.   S.M. Kim, B.C. Jung, W. Choi, and D.K. Sung, “Effects of Heterogeneous Mobility on Rate Adaptation and User Scheduling in Cellular Networks with HARQ,” IEEE Trans. On Vehicular Technology, vol. 62, no. 6, pp.2735-2748, 2013.

64.   X. Zhang, E. Wang, J. Xia, and D. K. Sung, “A Neighbor Coverage Based Probabilistic Rebroadcast for Reducing Routing Overhead in Mobile Ad hoc Networks,” IEEE Trans. On Mobile Computing, vol. 12, no. 3, pp.1567-1572, 2013.

65.   H.S. Leem, H. Jin, and D.K. Sung, “Scaling Laws of Energy Efficiency Related Metrics for Varying Cell Radii in Downlink Cellular Systems,” IEEE Communications Letters, vol. 17, no.3, pp.525-528, 2013.

66.   K. Son, B.C. Jung, S. Chong, and D.K. Sung, “Power Allocation Policies with Full and Partial Inter-System Channel State information for Cognitive Radio Networks,” Wireless Networks, vol. 19, no. 1, pp.99-113, 2013.

67.   K.S. Ko, M.J. Kim, K.Y. Bae, D.K. Sung, J.H. Kim, and J.Y. Ahn, “A Novel Random Access for Fixed-Location Machine-to-Machine Communications in OFDMA based Systems,” IEEE Communications Letters, vol. 16, no. 9, Sep. 2012.

68.   Y. Park, G.U. Hwang, and D.K. Sung, “Power Saving Scheme Based on Joint Control of Buffer-threshold and Timer in Binary Exponential Sleep Mode,” IET Communications, vol. 6, no.11, July 2012.

69.   H.Y. Hwang, S.J. Kim, B.S. Kim, D.K. Sung, S. Park, and Y.U. Chung, “Modeling and Analysis of Wireless LANs with a Backoff Freezing Mechanism,” Information, vol. 15, no. 3, pp.1081-1094, March, 2012.

70.   Ho Young Hwang, Sun-Jong Kwon, Yun Won Chung, Dan Keun Sung, and Suwon Park, "Modeling and Analysis of an Energy Efficient Mobility Management Scheme in IP-Based Wireless Networks," Sensors, vol. 11, no. 12, pp.11273-11294, Dec. 2011.

71.    S.H. Kim, S.J. Lee, and D.K. Sung, “Rate Adaptation Based Cooperative Hybrid-ARQ Relaying Scheme in Rayleigh Block Fading Channels,” IEEE Transaction on Vehicular Technology, IEEE Trans. On Vehicular Technology, vol.60, no.9, pp.4640-4645, Nov. 2011.

72.    H. Jin, B.C. Jung, and D.K. Sung, “A Tradeoff between Single-User and Multi-User MIMO Schemes in Multi-Rate Uplink WLANs,” IEEE Trans. On Wireless Communications, vol. 10, no. 10, pp.3332-3342, Oct. 2011.

73.   X.M. Zhang, E. Wang, J. Xia, and D.K. Sung, “An Estimated Distance-Based Routing Protocol for Mobile Ad hoc Networks,” IEEE Trans. On Vehicular Technology, vol. 60, no.7, pp.3473-3484, Sep. 2011.

74.   S.M. Kim, W. Choi, T.W. Ban, and D.K. Sung, “Optimal Rate Adaptation for HARQ in Time-Correlated Rayleigh Fading Channels,” IEEE Trans. On Wireless Communications, vol. 10, no. 3, pp.968-979, March 2011.

75.  Y.I. Seo, D.K. Sung, “Virtually Dedicated Resource Allocation for Real-Time Traffic in the Mobile WiMAX System with Hybrid ARQ,” IEEE Trans. On Vehicular Technology, vol. 60, no. 2, pp.514-527, Feb. 2011.

76.   H. Jin, C. Cho, N.O. Song, and D.K. Sung, “Optimal Rate Selection Method for Persistent Scheduling with HARQ in a Time-Correlated Nakagami-m Fading Channel,” IEEE Trans. On Wireless Communications, vol. 10, no. 2, pp. 637-647, Feb. 2011.

77.    X. Zhang, W. Zhu, N. Li, and D.K. Sung, “TCP Congestion Window Adaptation through Contention Detection in Ad hoc Networks,” IEEE Trans. On Vehicular Technology, Vol. 59, No. 11, pp.4578-4588, Nov. 2010.

78.   Y.I. Seo and D.K. Sung, “Adaptive Real-Time Polling Service for On-Line Gaming Traffic in IEEE 802.16e/m System,” IEEE Communications Letters, Vol. 14, No. 10, pp.987-999, Oct. 2010.

79.    J. Kim. H. Jin, D.K. Sung, and R. Schober, “Optimization of Wireless Multicast Systems Employing Hybrid-ARQ with Chase Combining,” IEEE Trans. On Vehicular Technology, Vol. 59, No. 7, pp. 3342-3356, Sep. 2010.

80.    J. Kim, S.H. Moon, D.K. Sung,” Throughput Estimation of Downlink Packet Access Systems Using Point Mass Approximation,” IEEE Trans. On Vehicular Technology, Vol. 59, No. 7, pp. 3357-3363, Sep. 2010.

81.    S. Kim, J.Y. Lee, D.K. Sung, “Bandwidth Allocation for Fluid Input Generalized Processor Sharing Servers,” IEEE Trans. On Communications, vol. 58, no. 5, pp.1514-1523, May 2010.

82.    J.W. Chong, Y. Sung, D.K. Sung, “Cross-Layer Performance Analysis for CSMA/CA Protocols: Impact of Imperfect Sensing,” IEEE Trans. On Vehicular Technology, Vol. 59, No. 3, pp. 1100-1108, March 2010.

83.    X. Zhang, F. Zou, E. Wang, and D.K. Sung, “Exploring the Dynamic Nature of Mobile Nodes for Predicting Route Lifetime in Mobile Ad hoc Networks,” IEEE Trans. On Vehicular Technology, Vol. 59, No. 3, pp.1567-1572, March 2010.

84.     B.C. Jung, S.S. Cho, D.K. Sung, “Uplink Capacity Improvement Through Orthogonal Code Hopping in Uplink-Synchronized CDMA Systems,” IEEE Transaction on Wireless Communications, Vol. 8, No. 11, pp.5404-5410, Nov. 2009.

85.    S. H. Moon, S. Park, J.K. Kwon, J. Kim, D.K. Sung, “Group Mode Hopping for Collision Mitigation in Orthogonal Code Hopping Multiplexing,” IEEE Trans. On Vehicular Technology,” Vol. 58, No.7, pp.3830-3834, Sep. 2009.

86.    X. Zhang, J. Lv, X. Han, D.K. Sung, “Channel Efficiency-based Transmission Rate control for Congestion Avoidance in Wireless ad hoc Networks,” IEEE Communications Letters, Vol. 13, No. 9, pp.706-708, Sep. 2009.

87.    S.Y. Nam, S. Kim, D.K. Sung, “Estimation of Available Bandwidth for an M/G/1 Queueing System,” Applied Mathematical Modelling, Vol. 33, No.8, pp.3299-3308, Aug. 2009.

88.    J. Kim, S.H. Moon, D.K. Sung, “Hybrid Scheduling Scheme for a Cooperative Relay System in Heterogeneous Traffic Environments,” IEEE Trans. on Wireless Communications, vol. 8, No. 7, pp.3868-3877, July 2009.

89.    Y.J. Hong, J. Kim, D.K. Sung, “Two-dimensional Channel Estimation and Prediction for Scheduling in Cellular Networks,” IEEE Trans. On Vehicular Technology, Vol. 58, No. 6, pp.2727-2740, July 2009.

90.    S.Y. Baek, Y.J. Hong, D.K. Sung, “Adaptive Transmission Scheme for Mixed Multicast and Unicast Traffic in Cellular Systems,” IEEE Trans. On Vehicular Technology, Vol. 58, No. 6, pp.2899-2908, June 2009.

91.    Y.J. Hong, D.K. Sung, “Constant-Power Allocation with Average and Peak Power Constraints in Nakagami-m Fading Channel,” IEEE Trans. On Vehicular Technology, vol. 58, no. 5, pp. 2559~2564, June 2009.

92.    T.W. Ban, W. Choi, D.K. Sung, “Capacity and Energy Efficiency of Multi-User Spectrum Sharing Systems with Opportunistic Scheduling,” IEEE Trans. On Wireless Communications, Vol. 8, No. 6, pp.2836-2841, June, 2009.

93.    C.S. Kang, J. Kim, D.K. Sung, “A Dynamic Load Control Scheme for Downlink WCDMA and HSDPA Systems,” IEICE Trans. On Communications, vol. E92-B, No.6, pp.2327-2331, June 2009.

94.     J.W. Yang, J.K. Kwon, H.Y. Hwang, D.K. Sung, “Goodput Analysis of a WLAN with Hidden Nodes under a Non-Saturated Condition,” IEEE Trans. On Wireless Communications, Vol. 8, No. 5, pp.2259-2264, May 2009.

95.    J.W. Chong, Y. Sung, D.K. Sung, “RawPEACH: Multi-Band CSMA/CA-Based Cognitive Radio Networks,” JCN Special Issues in Cognitive Radio, Vol. 11, No. 2, pp.174-185, April 2009.

96.    X. Zhang, N. Li, W. Zhu, D.K. Sung, “TCP Transmission Rate Control Mechanism Based on Channel Utilization and Contention Ratio in Ad hoc Networks, “IEEE Communications Letters, vol. 13, No. 4, pp.280-282, April 2009.

97.    B.C. Jung, S.S. Cho, D.K. Sung, “Performance Comparison of Downlink Capacity Improvement Schemes: Orthogonal Code Hopping Multiplexing vs. Multiple Scrambling Codes,” IEEE Trans. on Vehicular Technology, Vol. 58, No. 2, pp.670-681, Feb. 2009.

98.    T.W. Ban, W. Choi, B.C. Jung, D.K. Sung, “A Cooperative Phase Steering Scheme in Multi-Relay Node Environments,” IEEE Trans. On Wireless Communications, Vol. 8, No. 1, pp.72-77, Jan. 2009.

99.    C.Y. Jung, H.Y. Hwang, D.K. Sung, G.U. Hwang, “Enhanced Markov Chain Model and Throughput Analysis of the Slotted CSMA/CA of the IEEE 802.15.4 under an Unsaturated Traffic Condition,” IEEE Trans. On Vehicular Technology, Vol. 58, No. 1, pp.473-478, Jan. 2009.

100.  Y. Lee, T.S. Kim, H.S. Cho, D.K. Sung, B.D. Choi, “Performance Analysis of an Elevator System during Up-Peak,” Mathematical and Computer Modelling, Vol. 49, pp.423-431, Jan. 2009.

101. T.W. Ban, W. Choi, B.C. Jung, D.K. Sung, “Multi-User Diversity in a Spectrum Sharing System,” IEEE Trans. On Wireless Communications, Vol. 8, No. 1, pp.102-106, Jan. 2009.

102. D. Kim, B.C. Jung, H. Lee, D.K. Sung, H. Yoon, “Optimal Modulation and Coding Scheme Selection in Cellular Networks with Hybrid-ARQ Error Control,” IEEE Trans. On Wireless Communications, Vol. 7, No.12, pp.5195-5201, Dec. 2008.

103. Y.W. Chung, M.Y. Chung, D.K. Sung, “Modeling and Analysis of Mobile Terminal Power On/Off State Management Considering User Behavior,” IEEE Trans. on Vehicular Technology, Vol. 57, No.6, pp.3708-3722, Nov. 2008.

104. M.S. Kang, B.C. Jung, D.K. Sung, W. Choi, “A Pre-whitening Scheme in a MIMO-Based Spectrum-Sharing Environment,” IEEE Communications Letters, vol. 12, No. 11, pp.831-833, 2008.

105. H. Jin, B.C. Jung, H.Y. Hwang, D.K. Sung, “A MIMO-Based Collision Mitigation Scheme in Uplink WLANs,” IEEE Communications Letters, vol. 12, No.6, pp.417-419, June 2008.

106. M.S. Kang, B.C. Jung, D.K. Sung, “Effect of Cooperative and Selection Relaying Schemes on Multiuser Diversity in Downlink Cellular Systems with Relays,” JCN, Vol. 10, No. 2, pp.175-185, June 2008.

107.  S.Y. Nam, S. Kim, D.K. Sung, “Measurement Based Admission Control at Edge Routers,” IEEE/ACM Transactions on Networking, vol.16, No.2, pp.410-423, April 2008.

108. B.C. Jung, Y.J. Hong, D.K. Sung, S.Y. Chung, “Fixed Power Allocation with Nulling for TDD-Based Cellular Uplink,” IEEE Communication Letters, Vol. 12, No. 4, pp.253-255, April 2008.

109.  B.C. Jung, J.K. Kwon, H. Jin, D.K. Sung, “Sub-band Spreading Technique for Adaptive Modulation in OFDM Systems,” Journal of Communications and Networks (JCN), Vol. 10, No. 1, pp.71-78, March 2008.

110.  B.C. Jung, D.K. Sung, “Performance Analysis of Orthogonal Code Hopping Multiplexing Systems with Repetition, Convolutional, and Turbo Coding Schemes,” IEEE Trans. On Vehicular Technology, Vol. 57, No.3, pp.932-944, March 2008.

111. H.Y. Hwang, S.J. Kim, D.K. Sung, N.O. Song, “Performance Analysis of IEEE 802.11e EDCA with a Virtual Collision Handler,” IEEE Trans. On Vehicular Technology, Vol. 57, No. 2, pp.1293-1297, March 2008.

112. S.H. Moon, J. Kim, D.K. Sung, “Performance Analysis of Orthogonal Frequency and Code Hopping Multiplexing,” IEEE Trans. on Wireless Communications, Vol. 6, No. 10, pp.3803-3815, Oct. 2007.

113.  Y.T. Lee, B.D. Choi, B. Kim, D.K. Sung, “Delay Analysis of an M/G/1/K Priority Queueing System with Push-Out Scheme,” Mathematical Problems in Engineering, Vol. 2007, ID14504, pp.1-12, Oct. 19, 2007.

114.  S.H. Moon, J.K. Kwon, D.K. Sung, “Synergy/Perforation Control for 16QAM in Orthogonal Code Hopping Multiplexing,” IEEE Trans. On Vehicular Technology, Vol. 56, No.4, pp.1704-1715, July 2007.

115.  S.J. Kim, H.Y. Hwang, J.K. Kwon, D.K. Sung, “Saturation Performance Analysis of IEEE 802.11 WLAN under the Assumption of No Consecutive Transmissions,” IEICE Trans. On Communications, Vol. E90-B, No. 3, pp.700-703, March 2007.

116.   W.Y. Park, J.Y. Lee, D.K. Sung, “Bandwidth Optimization Algorithm Based on Weight Adjustment in Generalized Processor Sharing Servers,” IEICE Transaction on Communications, Vol.E90-B, No.1, pp.164-167, Jan. 2007.

117.  Y.W. Chung, H.Y. Hwang, D.K. Sung, “Modeling and Analysis of Mobility Management of Packet-Switched (PS) Services in GPRS,” Computer Communications, vol. 30, No. 1, p.166-177, Dec. 2006.

118.  K.S. Sohn, S.Y. Nam, D.K. Sung, “A Distributed LSP Scheme to Reduce Spare Bandwidth Demand in MPLS Networks,” IEEE Trans. on Communications, Vol. 54, No. 7, pp.1277-1288, July 2006.

119.   J.W. Chong, B.C. Jung, D.K. Sung, “Statistical Multiplexing Based Hybrid FH-OFDMA System for OFDM-Based UWB Indoor Radio Access Networks,” IEEE Trans. On Microwave Theory and Techniques, Vol. 54, No. 4, pp. 1793-1801, April, 2006.

120.  J.K. Kwon, S. Park, D.K. Sung, “Collision Mitigation by Log-Likelihood Ratio (LLR) Conversion in Orthogonal Code Hopping Multiplexing,” IEEE Trans. on Vehicular Technology, Vol. 55, No. 2, pp.709-718, March 2006.

121.  S.H. Moon, S. Park, J.K. Kwon, D.K. Sung, “Capacity Improvement in CDMA Downlink with Orthogonal Code Hopping Multiplexing,” IEEE Trans. on Vehicular Technology, Vol. 55, No. 2, pp.510-527, March 2006.

122. J.H. Chung, S. Park, D.K. Sung, “Symbol Perforation Reduction Schemes for Orthogonal Code Hopping Multiplexing,” IEICE Trans. On Communications, Vol. E88-B, No. 10, pp.4107-4111, October 2005.

123.  S. Kim, S.Y. Nam, D.K. Sung, “Effective Bandwidth for a Single Server Queueing System with Fractional Brownian Input,” Performance Evaluation, vol. 61, pp.203-223, July 2005.

124.  Y.W. Chung, J.K. Kwon, Y.J. Kim, D.K. Sung, “An Improved Timer-Based Location Management Scheme for Packet-Switched (PS) Mobile Communication Systems,” IEICE Trans. On Communications, E88-B, No. 6, pp.2650-2653, June 2005.

125.  J.Y. Lee, S. Kim, D.S. Kim, D.K. Sung, “Bandwidth Optimization for Internet Traffic in Generalized Processor Sharing Servers,” IEEE Trans. on Parallel and Distributed Systems, Vol. 16, No.4, pp.324-334, April 2005.

126.  K.S. Sohn, S.Y. Nam, D.K. Sung, IEEE Trans. on Reliability, “A Spare Bandwidth Sharing Scheme Based on Network Reliability,” Vol. 54, No.1, pp.123-132, March 2005.

127.  S.J. Kwon, S.Y. Nam, H.Y. Hwang, D.K. Sung, “Analysis of a Mobility Management Scheme Considering Battery Power Conservation in IP-Based Mobile Networks,” IEEE Trans. on Vehicular Technology, Vol. 53, NO. 6, pp.1882-1890, Nov. 2004.

128.  S.Y. Nam, S. Kim, J. Kim, D.K. Sung, “Probing-Based Estimation of End-to-End Available Bandwidth,” IEEE Communications Letters, Vol. 8, No. 6, pp.400-402, June 2004.

129.  Y.W. Chung, S.J. Kwon, D.K. Sung, “An Enhanced Scheme for Combined Mobility Management Based on a New Mobile Station State Model in GPRS,” IEICE Trans. on Communications, Vol.87E-B, No. 6, pp.1746-1749, June 2004.

130.  Y.W. Chung, M.Y. Chung, D.K. Sung, “Effect of Personal Mobility Management in Mobile Communication Networks,” IEEE Trans. on Vehicular Technology, Vol. 52, No. 5, pp.1254-1269, Sep. 2003. 

131.  Y.W. Chung, D.K. Sung, “Delayed Group Registration Scheme in Group Location Tracking,” IEE Electronics Letters, Vol. 39, No. 17, pp. 1274-1275, Aug. 2003.

132.  S.J. Kwon, Y.W. Chung, D.K. Sung, “Queueing Model of Sleep Mode Operation in Cellular Digital Packet Data,” IEEE Trans. on Vehicular Technology, Vol. 52, No. 4, pp.1158-1162, July 2003.

133.  J.Y. Lee, Sunggon Kim, D.K. Sung, “Fluid Simulation for Self-Similar Traffic in Generalized Processor Sharing Services,” IEEE Communications Letters, Vol. 7, No. 6, pp.272-274, June 2003.

134.  H.W. Lee, S.J. Kim, D.K. Sung, “Performance Analysis of Downlink Time Switched Transmit Diversity in the W-CDMA LCR-TDD System,” IEICE Trans. on Communications, Vol. E86-B, No. 6, pp. 2028-2031, June 2003.

135.  Y.W. Chung, D.K. Sung, A.H. Aghvami, “Steady State Analysis of P-MIP Mobility Management,” IEEE Communications Letters, Vol. 7, No. 6, pp.278-280, June 2003.

136. H.K. Kim, J.J. Lee, J.G. Rhee, E.S. Lee, K.W. Min, D.K. Sung, J. Seon, Y.H. Jung, S.D. Park, “Spacecraft Charging for Microsatellite KITSAT-3,” Journal of Spacecraft and Rockets, Vol. 40, No. 6, pp.875-881, 2003.

137.  S. Kim, J.Y. Lee, D.K. Sung, “A Shifted Gamma Distribution Model for Long-Range Dependent Internet Traffic,” IEEE Communications Letters, Vol. 7, No. 3, pp. 124-126, March 2003.

138.  J.Y. Park, S.Y. Nam, D.K. Sung, “Performance Analysis of an Enhanced DQRUMA/MC-CDMA Protocol for Voice Traffic,” IEEE Trans. on Vehicular Technology, Vol. 52, No. 2, pp. 440-455, March 2003.

139.  C.S. Kang, H.S. Cho, D.K. Sung, “Capacity Analysis of Spectrally Overlaid Macro/Micro Cellular CDMA Systems Supporting Multiple Type of Traffic,” IEEE Trans. on Vehicular Technology, Vol. 52, No. 2, pp. 333-346, March 2003.

140.  J.K. Kwon, S. Park, D.K. Sung, “Log-Likelihood Ratio (LLR) Conversion Schemes in Orthogonal Code Hopping Multiplexing,” IEEE Communications Letters, vol. 7, No. 3, pp.104-106, March 2003.

141.  Y.W. Chung, D.K. Sung, A.H. Aghvami, “Effect of Uncertainty of the Position of Mobile Terminals on the Paging Cost of an Improved Movement-Based Registration,” IEICE Trans. on Communications, Vol.E86-B, No.2, pp.859-861, Feb, 2003.

142.  S. Park and D.K. Sung, “Orthogonal Code Hopping Multiplexing,” IEEE Communications Letters, Vol. 6, No. 12, pp.529-531, Dec. 2002.

143.  J.W. Chang, J.H. Chung, D.K. Sung, “Admission Control Scheme for Soft Handoff in DS-CDMA Cellular Systems Supporting Voice and Stream-Type Data Services,” IEEE Trans. on Vehicular Technology, Vol. 51, No. 6, pp.1445-1459, Nov. 2002.

144.  S.C. Chang, D.K. Sung, “A Fast Handoff Scheme for Multi-Connection Calls in Wireless ATM Networks,” IEICE Trans. on Communications, Vol. E85-B, No. 10, pp.2002-2011, Oct. 2002.

145.  C.S. Kang, D.K. Sung, “Capacities of Spectrally Overlaid Single-Code and Multi-Code CDMA Systems,” IEEE Trans. on Vehicular Technology, vol. 51, No. 5, pp.839-854, Sep., 2002.

146.  J.U. You, M.Y. Chung, D.K. Sung, “Performance Evaluation Using an Approximation Method for Sojourn Time Distributions in an IN/ISDN Signaling Platform,” Computer Communications, vol. 25, No. 14, pp.1283-1296, July 2002.

147.  S.H. Kang, Y.H. Kim, D.K. Sung, B.D. Choi, “An Application of Markovian Arrival Process (MAP) to Modeling Superposed ATM Cell Streams,” IEEE Trans. on Communications, Vol. 50, No. 4, pp.633-642, April 2002.

148.  S.H. Kang, C. Oh, D.K. Sung, “Performance Evaluation of a High-Speed ATM Switch with Multiple Separated Common Memories,” IEEE Trans. on Communications, vol.50, No.2, pp.332-340, Feb. 2002.

149.  D.K. Kim, D.K. Sung, “Traffic Management in a Multicode CDMA System Supporting Soft Handoffs,” IEEE Trans. on Vehicular Technology, Vol.51, No.1, pp.52-62, Jan. 2002.

150.  C.S. Kang, S.M. Shin, D.K. Sung, “The Required Signal Power for Multimedia Traffic in Multipath Faded CDMA Systems,” IEICE Trans. On Communications, Vol.E85-B, No.1, pp.343-347, Jan. 2002.

151.  Y.H. Kwon, D.K. Sung, “Analysis of Handoff Characteristics in Shadowed LEO Satellite Communication Networks,” Int. Journal of Satellite Communications, Vol. 19, pp.581-600, Dec. 2001.

152.  C.S. Kang, K.H. Cho, D.K. Sung, “Link Capacity and Signal Power of CDMA Systems According to Spreading Code and Bandwidth Allocations in Multipath Fading Environments,” IEICE Trans. on Communications, Vol. E84-B, No.12, pp.3218-3225 , Dec. 2001.

153.  Y.W. Kim, Y.V. Kim, J.H. Kim, H.S. Cho, D.K. Sung, “A Comparison of System Performance Using Two Different Chip Pulses in Multi-Chip-Rate DS/CDMA Systems,” IEEE Trans. On Communications, Vol. 49, No.11, pp.1988-1996, Nov. 2001.

154.  Y.W. Chung, M.Y. Chung, D.K. Sung, “Adaptive Algorithm for Mobile Terminal Power ON/OFF State Management,” Computer Communications, vol. 24, pp.1411-1424, 2001. 

155.  D.K. Kim, D.K. Sung, “Capacity Estimation for a Multicode CDMA System with SIR-Based Power Control,” IEEE Trans. on Vehicular Technology, Vol .50, No .3, pp.701-710, May 2001.

156.  Y.W. Kim, D.K. Kim, J.H. Kim, S.M. Shin, D.K. Sung, “Radio Resource Management in Multiple-Chip-Rate DS/CDMA Systems Supporting Multi-Class Services,” IEEE Trans. on Vehicular Technology, Vol .50, No. 3, pp.723-736, May 2001.

157.  H.S. Cho, D.K. Sung, “Four-Sector Cross-Shaped Urban Micro-Cellular Systems with Intelligent Switched-Beam Antennas,” IEEE Trans. on Vehicular Technology, Vol.50, No.2, pp.592-604, March 2001.

158.  J.W. Chang, D.K. Sung, “Adaptive Channel Reservation Scheme for Soft Handoff in DS-CDMA Cellular Systems,” IEEE Trans. on Vehicular Technology, Vol. 50, No.2, pp.341-353, March 2001

159.  S.J. Kwon, M.Y. Chung, D.K. Sung, “A Location Management Scheme for Support Non-Geographic Phone Numbers in Personal Communications Services,” Vol.24, pp.271-283, 2001.

160.  M.Y. Chung, D.K. Sung, “Performance Analysis of a Profile Management Scheme for Incall Registration/Deregistration in Wireline UPT Networks - Part II : Timer-Based Scheme,” IEICE Trans. on Communications, Vol.E84-B, No.2, pp.191-203, Feb. 2001.

161.  S.J. Lee, T.S. Kim, D.K. Sung, “Bit Error Probabilities of Multi-Code Direct Sequence Spread Spectrum Multiple Access Systems,” IEEE Trans. on Communications, vol.49, No.1, pp.31-34, Jan. 2001.

162.  E.S. Bae, M.Y. Chung, D.K. Sung, “Performance Analysis of Fixed Local Anchor Scheme for Supporting UPT Services in Wireline Networks,” Computer Communications, Vol.23, pp.1763-1776, 2000.

163.  H.S. Cho, J.K. Kwon, D.K. Sung, “High Reuse Efficiency of Radio Resources in Urban Microcellular Systems,” IEEE Trans. on Vehicular Technology, Vol.49, No.5, pp.1669-1677, Sep. 2000.

164.  T.S. Kim, J.K. Kwon, D.K. Sung, “Mobility Modeling and Traffic Analysis in Three-Dimensional High-Rise-Building Environments,” IEEE Trans. on Vehicular Technology, vol.49, No.5, pp.1633-1640, Sep. 2000.

165.  T.S. Kim, H.S. Cho, D.K. Sung, “Moving Elevator-Cell System in Indoor Buildings,” IEEE Trans. on Vehicular Technology, Vol.49, No.5, pp.1743-1751, Sep. 2000.

166. J.H. Kim, T.S. Kim, Y.W. Kim, D.K. Sung, “Hybrid Channel Assignment Scheme for Accommodating Voice/Data Traffic in DS-CDMA Cellular Systems,” IEEE Trans. on Vehicular Technology, Vol.49, No.5, pp.1566-1577, Sep. 2000.

167. D.K. Kim, S.J. Lee, D.W. Choi, D.K. Sung, “An Architecture of ATM-Based PCS Network : Signaling Traffic and Capacity,” Telecommunication Systems, Vol.14, pp.75-94, Aug. 2000.

168.  S.M. Shin, D.K. Sung, “Adaptive Channel Assignment for Different Types of Traffic in DS-CDMA Cellular Systems,” Telecommunication Systems, Vol.14, pp.141-162, Aug. 2000.

169.  J.W. Heo, S.H. Byun, J.Y. Lee, D.K. Sung, S.J. Lee, “Cell Level/Call Level Switch Simulator for HAN/B-ISDN ATM Switching System,” Telecommunication Systems, Vol.14, pp.291-310, Aug. 2000.

170.  S.Y. Nam, D.K. Sung, “Fast Convolution Approximation Scheme for Estimating End-to-End Delay Performance,” IEE Electronics Letters, Vol.36, No.16, pp.1432-1434, Aug. 2000.

171.  J.Y. Park, D.K. Kim, D.K. Sung, “An Enhanced DQRUMA/MC-CDMA Protocol for Wireless Packet Networks,” IEICE Trans. on Communications, Vol.E83-B, No.7, pp.1567-1571, July 2000.

172.  D.K. Kim, D.K. Sung, “Capacity Estimation for an SIR-based Power-Controlled CDMA System Supporting ON-OFF Traffic,” IEEE Trans. on Vehicular Technology, Vol.49, No.4, pp.1094-1101, July 2000.

173.  C.S. Kang, S.M. Shin, D.K. Sung, “Link Capacity and Signal Power Allocation According to Allocation of Spreading Codes and Bandwidth in CDMA Systems,” IEICE Letters, Vol.E83-B, No.4, pp.858-860, April, 2000.

174.  S.H. Byun and D.K. Sung, “The UniMIN Switch Architecture for Large-Scale ATM Switches,” IEEE/ACM Trans. on Networking, Vol.8, No.1, pp.109-120, Feb. 2000.

175.  B.D. Choi, S.H. Choi, B. Kim, D.K. Sung, “Analysis of Priority Queueing System Based on Thresholds and Its Application to Signaling System No.7 with Congestion Control,” Computer Networks, pp.149-170, 2000.

176.  S.H. Kang, D.K. Sung, “A CAC Scheme Based on Real-Time Cell Loss Estimation for ATM Multiplexers,” IEEE Trans. on Communications, Vol.48, No.2, pp.252-258, Feb. 2000.

177.  Y.W. Kim, S.J. Lee, J.H. Kim, Y.H. Kwon. D.K. Sung, “Capacity Estimation in Multi-Chip-Rate DS-CDMA Systems Supporting Multimedia Services,” Wireless Personal Communications, Vol.14, pp.29-47, 2000.

178.  H.S. Cho and D.K. Sung, “Performance Analysis of Cross and Cigar-Shaped Urban Microcells Considering User Mobility Characteristics,” IEEE Trans. on Vehicular Technology, Vol.49, No.1, pp.105-116, Jan. 2000.

179.  Y.H. Shin, K.W. Min, J.G. Rhee, D.H. Lee, S.H. Kim, H.S. Kim, S.D. Park, D.K. Sung, S.D. Choi, “Analysis of Anomalous TDE Data On-Board the KITSAT-1,” IEEE Trans. on Nuclear Science, Vol.46, No.6, pp.1586-1594, Dec. 1999.

180.  B.D. Choi, S.H. Choi, D.K. Sung, T.H. Lee, K.S. Song, “Transient Analysis of a Markovian Arrival Queue with Congestion Control Based on Thresholds,” Journal of Applied Mathematics and Stochastic Analysis, Vol.12, No.4, pp.371-392, 1999.

181.  S.J. Lee, D.K. Sung, “A Fast Handoff Management Scheme in ATM-Based Personal Communication Networks,” Wireless Personal Communications, Vol.11, No.2, pp.231-245, Nov. 1999.

182.  J.W. Heo, D.K. Sung, “A New Fast Cell Re-sequence Mechanism for Multi-Path ATM Switches,”, IEEE Communications Letters, Vol.3, No.10, pp.297-299, Oct., 1999.

183.  M.Y. Chung, S.H. Kang, D.K. Sung, “Performance Analysis of Two Schemes for Managing Information Related to Incall Registration in Wireline UPT Networks,” Computer Communications, vol.22, pp.1592-1606, 1999.

184.  M.Y. Chung, J.U. You, D.K. Sung and B.D. Choi, “Performability Analysis of Common Channel Signaling Networks Based on the Signaling System # 7,” IEEE Trans. on Reliability, vol.48, No.3, pp.224-233, Sep. 1999.

185.  H.S. Cho, S.H. Kang, D.K. Sung, “A Movable Safety Zone Scheme in Urban Fiber-Optic Microcellular Systems,” IEEE Trans. on Vehicular Technology, Vol.48, No.4, pp.1099-1109, July, 1999.

186.  D.K. Kim, D.K. Sung, “Characterization of Soft Handoff in CDMA Systems,” IEEE Trans. on Vehicular Technology, Vol.48, No.4, pp.1195-1202, July, 1999.

187.  S.C. Chang, D.K. Sung, “A Dynamic Wireline Resource Management Scheme for Fast Handoff in Wireless ATM Networks,” IEICE Trans. on Communications, Vol.E82-2B, No.6, pp.978-983, June 1999. 

188.  M.Y. Chung, D.K. Sung, “Performance Analysis of a Profile Management Scheme for Incall Registration/Deregistration in Wireline UPT Networks - Part I. Request-Based Scheme,” IEICE Trans. on Communications, Vol.E82-B, No.5, pp.686-694, May.1999.

189.  S.J. Lee, H.W. Lee, D.K. Sung, “Capacities of Single-Code and Multi-code DS-CDMA Systems Accommodating Multiclass Services,” IEEE Trans. on Vehicular Technology, Vol.48, No.2, pp.376-384, March, 1999.

190.  S.M. Shin, C.H. Cho, and D.K. Sung, “Interference-Based Channel Assignment for DS-CDMA Cellular Systems,” IEEE Trans. on Vehicular Technology, Vol.48, No.1, pp.233-239,1999.

191.  Y.W. Kim, S.J. Lee, M.Y. Chung, J.H. Kim, D.K. Sung, “Radio Resource Assignment in Multi-Chip Rate DS/CDMA Systems Supporting Multimedia Services,” IEICE Trans. on Communications, Vol. J82-B, No. 1, pp.145-155, 1999.

192.  Y.H. Kwon, J.Y. Yun, D.K. Sung, “Satellite Selection Scheme for Reducing Handover Attempts in LEO Satellite Communication Systems,” Int. Journal of Satellite Communications, Vol. 16, pp.197-208, 1998.

193.  H.J. Kim, D.K. Sung, “An Enhanced Priority Reservation Algorithm for ATM Multicast Switches with a One-Shot Scheduling Scheme,” IEICE Trans. on Commun., Vol. E-81-B, No. 11, pp.2237-2241, November, 1998.

194.  J.H. Kim, D.K. Sung, “Performance of Single-Bit Adaptive Step-Size Closed-Loop Power Control Scheme in DS-CDMA Systems,” IEICE Trans. on Communications, E81-B, No. 7, pp.1548-1552, July, 1998. 

195.  D.I. Choi, B.D. Choi, D.K. Sung, "Performance Analysis of Priority Leaky Bucket Scheme with Queue-Length-Threshold Scheduling Policy,” IEE Proceedings-Communications, Vol. 145, No. 6, pp.395-401, November, 1998.

196.  B.D. Choi, D.I. Choi, Y. Lee, D.K. Sung, "Priority Queueing System with Fixed-Length Packet Train Arrivals,” IEE-Proc. Communications, Vol. 145, No. 5, pp.331-336, October, 1998.

197.  H.S. Cho, D.K. Sung, "Channel Holding Time Distribution in Cross- and Cigar- Shaped Urban Microcells,” IEICE Trans. on Communications, Vol. E81-B, No. 6, pp.1275-1279,June 1998.

198.  S.J. Lee, D.K. Sung, "Capacity Evaluation for DS-CDMA Systems with Multi-Class On/Off Traffic,” IEEE Communications Letters, Vol. 2, No.6, pp. 153-155, June 1998.

199.  B.D. Choi, Y.C. Kim, D.I. Choi, D.K. Sung, "An Analysis of M, MMPP/G/1 Queues with QLT Scheduling Policy and Bernoulli Schedule,” IEICE Trans. on Commun., Vol.E81-B, pp.1-10, No.1, 1998.

200.  S.H. Kang, D.K. Sung, B.D. Choi, "An Empirical Real-Time Approximation of Waiting Time Distribution in MMPP(2)/D/1,” IEEE Communications Letter, Vol.2, No.1, pp.17-19, Jan.1998.

201.  T.S. Kim, M.Y. Chung, D.K. Sung and M. Sengoku, "Mobility Modeling & Traffic Analysis in 3-Dimensional Indoor Environments,” IEEE Trans. on Vehicular Technology, Vol.47, No.2, pp.546-557, 1998.

202.  T.S. Kim, M.Y. Chung, D.K. Sung, "Mobility and Traffic Analyses in 3-Dimensional PCS Environments,” IEEE Trans. on Vehicular Technology, Vol.47, No.2, pp.537-545, 1998.

203.  S.H. Choi, B.D. Choi, D.K. Sung," Analysis of a Leaky Bucket Control Scheme in Signaling System No. 7 Network,” IEE-Proceedings-Comm. Vol.145, No.1, pp.25-32, Feb. 1998.

204.  S.H. Byun, D.K. Sung, "A General Expansion Architecture for Large Scale Multicast ATM Switches,” IEICE Trans. on Communications, Vol.E80-B, No.11, pp.1671-1679, 1997.

205.  B.D. Choi, C.G. Park, D.K. Sung, “Performance Analysis of Leaky Bucket Scheme with a Threshold in the Data Buffer,” Computer Networks, vol.29, No.7, pp.781-795, 1997. 

206.  S.H. Kang, C. Oh, D.K. Sung, "A Traffic Measurement Based Modeling of Superposed ATM Cell Streams,” IEICE Trans. on Commun., Vol.E80-B, No.3, pp.434-441, 1997.

207.  D.W. Choi, D.K. Sung, "Performance Analysis of Enhanced RAMA Protocol for Statistical Multiplexing of Speech in Wireless PCS,” IEICE Trans. on Commun., vol.E80.B, No.7, pp.1064-1073,1997

208.  D.W. Choi, D.K. Sung, "Enhanced RAMA Protocol for Future Wireless Communications,” Electronics Letters, vol. 32, No. 24, pp.2202-2204, 1996.

209.  S.M. Shin and D.K. Sung, "DS-CDMA Reverse Link According to Frequency Assignment,” Electronics Letters, Vol. 32, No. 25, p.2309, 1996.

210.  S.H. Kang, M.Y. Chung, D.K. Sung, "Analysis of Satellite On-board Time-Space-Time Switching Networks with Multiple Separated Space Switches,” IEEE Trans. on Reliability, Vol. 46, No. 6, pp.316-320, 1996.

211.  T.S. Kim, D.K. Sung, M. Sengoku,"A Mobility Model in 3-Dimensional PCS Indoor Environments,” IEICE Trans. on Communications, Vol. 78, No. 10, pp.500-507, 1995.

212.  S.M. Shin, D.K. Sung, "DS-CDMA Reverse Link Channel Assignment Based on Interference Measurements,” Electronics Letters, Vol. 31, No. 22, pp.1987-1899, 1995.

213.  S.K. Roh, K.H. Kook, J.S. Lee, M.Y. Chung, and D.K. Sung, "Performance of a Time Slot Searching Mechanism in Multi-Rate Circuit Switching Systems,” IEICE Trans. on Communications (Japan), vol. E77-B, No. 5, pp.650-655, 1994.

214.  S.H. Kang, D.K. Sung, “A Trial Multilayer Perception Neural Network for ATM Connection Admission Control,” IEICE Trans. on Communications (Japan), vol. E76-B, No. 3, pp.258-262, 1993.

215. D.K. Sung, “Modeling and Analysis of a Nonlinear Elastomer Impact Model with a Damping Mechanism,” IEICE Trans. On Fundamentals of Electronics Communications and Computer Sciences, vol. E75A, no. 8, pp. 1020-1025, Aug. 1992.

216.  D.K. Sung and S.H. Kang, “Reliability and Performance of Time-Space-Time Switching Networks with Multiple Separated Space Switches,” Quality and Reliability Engineering International, vol. 8, no.4, pp.335-340, July 1992.

217. D.K. Sung, “One Linear and One Nonlinear Elastomer Impact Models,” IEICE Trans. On Fundamentals of Electronics Communications and Computer Sciences, vol. E72E, no. 9, pp.963-969, Sep., 1989.