International Journal


    2024
  1. Kanghyun Heo, Hyun-Ho Choi*, and Kisong Lee*, "Joint Trajectory and Resource Optimization for UAV-Assisted SWIPT Systems: A Comparative Study of Linear and Nonlinear Energy Harvesting Models", IEEE Internet of Things Journal, vol. 11, no. 24, pp. 40293-40305, Dec. 2024.  [View]
  2. Chaeyeon Kim, Hyun-Ho Choi*, and Kisong Lee*, "Joint Optimization of Trajectory and Resource Allocation for Multi-UAV-Enabled Wireless-Powered Communication Networks", IEEE Transactions on Communications, vol.72, no.9, pp.5752-5764, Sep. 2024.  [View]
  3. Hyun-Ho Choi, Kyu-Min Kang, and Howon Lee*, "NOMA-based ALOHA Protocol for Air-to-Ground Communications with Maximum Transmit Power Limits", IEEE Internet of Things Journal, vol. 11, no. 16, pp. 27387-27397, Aug. 2024.  [View]
  4. Kisong Lee and Hyun-Ho Choi*, "Energy-Efficient Resource Allocation for Bidirectional Wireless Power and Information Transfer over Interference Channels", Journal of Network and Computer Applications, vol.227, no., pp., Jul. 2024.  [View]
  5. Hyun-Ho Choi, Gitae Park, Kanghyun Heo, and Kisong Lee*, "Joint Optimization of Beam Placement and Transmit Power for Multibeam LEO Satellite Communication Systems", IEEE Internet of Things Journal, vol. 11, no. 8, pp. 14804-14813, Apr. 2024.  [View]
  6. Hyun-Ho Choi and Jung-Ryun Lee*, "Optimization of Dynamic Beam Placement for LEO Satellite Multicast Communications", IEEE Wireless Communications Letters, vol. 13, no. 4, pp. 1029-1033, Apr. 2024.  [View]

    7. 2023
  7. Kisong Lee, Hyun-Ho Choi*, Woongsup Lee*, and Victor C. M. Leung, "Wireless Powered Interference Networks: Applications, Approaches, and Challenges", IEEE Vehicular Technology Magazine, vol. 18, no. 4, pp. 102-110, Dec. 2023.  [View]
  8. Junseung Lee, Hyun-Ho Choi*, Seung-Chan Lim, Hyungsub Kim, Jeehyeon Na, and Howon Lee*, "Low-complexity Q-learning for Energy-aware Small-cell Networks with Integrated Access and Backhaul", IEEE Access, vol. 11, , pp. 121529-121538, Oct. 2023.  [View]
  9. Kisong Lee and Hyun-Ho Choi*, "Transmit Power Control for Secure Wireless-Powered Sensor Networks with Malicious Energy Harvester", IEEE Access, vol. 11, , pp. 103146-103153, Sep. 2023.  [View]
  10. Hyun-Ho Choi, Jinhyung Oh, Kyu-Min Kang, and Howon Lee*, "Idleless Slotted ALOHA Protocol for Drone Swarm Identification", IEEE Trans. on Vehicular Technology, vol. 72, no. 8, pp. 11080-11085, Aug. 2023.  [View]
  11. Woongsup Lee, Howon Lee*, Hyun-Ho Choi*, "Deep Learning-based Network-Wide Energy Efficiency Optimization in Ultra-Dense Small Cell Networks", IEEE Trans. on Vehicular Technology, vol. 72, no. 6, pp. 8244-8249, Jun. 2023.  [View]
  12. Hyun-Ho Choi and Jung-Ryun Lee*, "Joint Optimization of Altitude and Beamwidth for UAV-Powered Wireless Sensor Networks", IEEE Trans. on Vehicular Technology, vol. 72, no. 1, pp. 1279-1284, Jan. 2023.  [View]

    13. 2022
  13. Howon Lee, Eunjin Kim, Hyungsub Kim, JeeHyeon Na, and Hyun-Ho Choi*, "Multi-Agent Q-Learning Based Cell Breathing Considering SBS Collaboration for Maximizing Energy Efficiency in B5G Heterogeneous Networks", Elsevier ICT Express, vol. 8, no. 4, pp. 525-529, Dec. 2022.  [View]
  14. Kyung-Seop Shin, Hyun-Ho Choi*, and Howon Lee*, "Knowledge Transfer-based Multi-agent Q-learning for Medium Access in Dense Cellular Networks", IEEE Wireless Communications Letters, vol. 11, no. 12, pp. 2542-2545, Dec. 2022.  [View]
  15. Hyun-Ho Choi, Hyungsub Kim, JeeHyeon Na, and Howon Lee*, "Soft Non-Orthogonal Multiple Access-based Handover for Throughput Enhancement", IEEE Trans. on Vehicular Technology, vol. 71, no. 9, pp. 10197-10202, Sep. 2022.  [View]
  16. Kisong Lee, Hyun-Ho Choi*, Woongsup Lee*, and Victor C. M. Leung, "Learning-Based Optimization of Wireless-Powered Two-Way Interference Channels With Imperfect CSI", IEEE Internet of Things Journal, vol. 9, no. 9, pp. 6934-6943, May. 2022.  [View]
  17. Kisong Lee and Hyun-Ho Choi*, "Weighted Sum Rate Maximization for Two-Way Wireless Powered Interference Channels", IEEE Trans. on Vehicular Technology, vol. 71, no. 5, pp. 5627-5632, May. 2022.  [View]
  18. Eunjin Kim, Hyun-Ho Choi*, Hyungsub Kim, JeeHyeon Na, and Howon Lee*, "Optimal Resource Allocation Considering Non-Uniform Spatial Traffic Distribution in Ultra-Dense Networks: A Multi-Agent Reinforcement Learning Approach", IEEE Access, vol. 10, , pp. 20455-20464, Feb. 2022.  [View]

    19. 2021
  19. Hyun-Ho Choi, Hyungsub Kim, JeeHyeon Na, and Howon Lee*, "Non-Orthogonal Multiple Access-based Handover for Throughput Enhancement", IEEE Trans. on Vehicular Technology, vol. 70, no. 11, pp. 12278-12282, Nov. 2021.  [View]
  20. Hyun-Ho Choi and Kisong Lee, "Wireless Energy Sharing for Maximizing Lifetime of Linear Multihop Communications", IEEE Internet of Things Journal, vol. 8, no. 15, pp. 12189-12202, Aug. 2021.  [View]
  21. Woongsup Lee, Kisong Lee*, Hyun-Ho Choi*, and Victor C. M. Leung, "Deep Learning for SWIPT: Optimization of Transmit-Harvest-Respond in Wireless-Powered Interference Channel", IEEE Trans. on Wireless Communications, vol. 20, no. 8, pp. 5018-5033, Aug. 2021.  [View]
  22. Hyun-Ho Choi and Kisong Lee, "Cooperative Wireless Power Transfer for Lifetime Maximization in Wireless Multihop Networks", IEEE Trans. on Vehicular Technology, vol. 70, no. 4, pp. 3984-3989, Apr. 2021.  [View]
  23. Hyun-Ho Choi, Muy Sengly, and Jung-Ryun Lee, "Geometric Analysis-Based Cluster Head Selection for Sectorized Wireless Powered Sensor Networks", IEEE Wireless Communications Letters, vol. 10, no. 3, pp. 649-653, Mar. 2021.  [View]
  24. Kisong Lee, Junseong Bang*, and Hyun-Ho Choi*, "Secrecy Outage Minimization for Wireless-Powered Relay Networks with Destination-Assisted Cooperative Jamming", IEEE Internet of Things Journal, vol. 8, no. 3, pp. 1467-1476, Feb. 2021.  [View]
  25. Hyun-Ho Choi and Kisong Lee, "Bioinspired Cooperative Wireless Energy Transfer for Lifetime Maximization in Multihop Networks", IEEE Internet of Things Journal, vol. 8, no. 3, pp. 1611-1622, Feb. 2021.  [View]

    26. 2020
  26. Kisong Lee, Jun-Pyo Hong, and Hyun-Ho Choi*, "Adaptive Jamming Power Control for Untrusted Relay Networks with Imperfect Channel Reciprocity", IEEE Systems Journal, vol. 14, no. 3, pp. 4217-4220, Sep. 2020.  [View]
  27. Chan-Jae Lee, Dara Ron, Kisong Lee, Hyun-Ho Choi, and Jung-Ryun Lee, "Performance Analysis and Optimization of Downlink Transmission in LoRaWAN Class B Mode", IEEE Internet of Things Journal, vol. 7, no. 8, pp. 7836-7847, Aug. 2020.  [View]
  28. Kisong Lee and Hyun-Ho Choi*, "Fast Wireless Power Transfer for Multiple Receivers in Linear Topology", IEEE Systems Journal, vol. 14, no. 1, pp. 649-652, Mar. 2020.  [View]
  29. Kisong Lee, Jung-Ryun Lee*, and Hyun-Ho Choi*, "Learning-based Joint Optimization of Transmit Power and Harvesting Time in Wireless-Powered Networks with Co-channel Interference", IEEE Trans. on Vehicular Technology, vol. 69, no. 3, pp. 3500-3504, Mar. 2020.  [View]
  30. Kisong Lee, Jin-Taek Lim, and Hyun-Ho Choi, "Impact of Outdated CSI on the Secrecy Performance of Wireless-Powered Untrusted Relay Networks", IEEE Transactions on Information Forensics and Security, vol. 15, no. 1, pp. 1423-1433, Jan. 2020.  [View]

    31. 2019
  31. Hyun-Ho Choi, Wonjae Shin, Marco Levorato, and H. Vincent Poor, "Harvest-Or-Access: Slotted ALOHA for Wireless Powered Communication Networks", IEEE Trans. on Vehicular Technology, vol. 68, no. 11, pp. 11394-11398, Nov. 2019.  [View]
  32. Hyun-Ho Choi and Jung-Ryun Lee, "Energy-Neutral Operation Based on Simultaneous Wireless Information and Power Transfer for Wireless Powered Sensor Networks", MDPI Energies, vol. 12, no. 20, pp. 1-17, Oct. 2019.  [View]
  33. Ui-Seong Yu, Hyun-Ho Choi, and Jung-Ryun Lee, "Kuramoto-Desync: Distributed and Fair Resource Allocation in a Wireless Network", IEEE Access, vol. 7, no. 1, pp. 104769-104776, Aug. 2019.  [View]
  34. Hyun-Ho Choi and Jung-Ryun Lee, "Local Flooding-based On-Demand Routing Protocol for Mobile Ad Hoc Networks", IEEE Access, vol. 7, no. 1, pp. 85937-85948, Jun. 2019.  [View]
  35. Kisong Lee, Jun-Pyo Hong, Hyun-Ho Choi*, and Tony Q. S. Quek, "Wireless-Powered Two-Way Relaying Protocols for Optimizing Physical Layer Security", IEEE Transactions on Information Forensics and Security, vol. 14, no. 1, pp. 162-174, Jan. 2019.  [View]
  36. Hyun-Ho Choi and Wonjong Noh, "Outage Analysis of User Pairing Algorithm for Full-Duplex Cellular Networks", Hindawi Wireless Communications and Mobile Computing, vol. 2019, , pp. 1-12, Jan. 2019.  [View]
  37. Jaesung Park, Hyun-Ho Choi, and Jung-Ryun Lee*, "Flocking-Inspired Transmission Power Control for Fair Resource Allocation in Vehicle-Mounted Mobile Relay Networks", IEEE Trans. on Vehicular Technology, vol. 68, no. 1, pp. 754-764, Jan. 2019.  [View]

    38. 2018
  38. Kisong Lee and Hyun-Ho Choi*, "Secure Analog Network Coding with Wireless Energy Harvesting under Multiple Eavesdroppers", IEEE Access, vol. 6, no. 1, pp. 76289-76301, Nov. 2018.  [View]
  39. Hyun-Ho Choi and Wonjae Shin, "Slotted ALOHA for Wireless Powered Communication Networks", IEEE Access, vol. 6, no. 1, pp. 53342-53355, Sep. 2018.  [View]
  40. Kisong Lee, Jun-Pyo Hong, Hyun-Ho Choi*, and Marco Levorato, "Adaptive Wireless-powered Relaying Schemes with Cooperative Jamming for Two-hop Secure Communication", IEEE Internet of Things Journal, vol. 5, no. 4, pp. 2793-2803, Aug. 2018.  [View]
  41. Seho Han, Kisong Lee, Hyun-Ho Choi, and Howon Lee*, "BiPAD: Binomial Point Process Based Energy-Aware Data Dissemination in Opportunistic D2D Networks", MDPI Energies, vol. 11, no. 8, pp. 1-9, Aug. 2018.  [View]
  42. Hyun-Ho Choi, Bongsoo Roh, Myounghun Han, and Jung-Ryun Lee, "Regional Route Maintenance Protocol Based on Local Pheromone Diffusion for Mobile Ad Hoc Networks", Springer Mobile Networks and Applications, vol. 23, no. 3, pp. 580-596, Jun. 2018.  [View]
  43. Ji-Young Jung, Hyun-Ho Choi*, and Jung-Ryun Lee*, "Survey of Bio-inspired Resource Allocation Algorithms and MAC Protocol Design Based on a Bio-Inspired Algorithm for Mobile Ad Hoc Networks", IEEE Communications Magazine, vol. 56, no. 1, pp 119-127, Jan. 2018.  [View]

    44. 2017
  44. Myungjin Cho, Howon Lee*, Hyun-Ho Choi*, and Bahram Javidi, "A Three-Dimensional Image Transmission Using In-Network Computation in Wireless Multi-Camera Networks", IEEE Journal of the Electron Devices Society, vol. 5, no. 6, pp 445-452, Nov. 2017.  [View]
  45. Hyun-Ho Choi and Jung-Ryun Lee, "Multi-Phased Carrier Sense Multiple Access with Collision Resolution and its Extension to Dynamic Multi-Phases", Springer Mobile Networks and Applications, vol. 22, no. 5, pp 918-930, Oct. 2017.  [View]
  46. In-Ho Lee, Hyun-Ho Choi, and Howon Lee, "Outage Performance of Selective Dual-Hop MIMO Relaying with OSTBC and Transmit Antenna Selection in Rayleigh Fading Channels", KIPS Journal of Information Processing Systems, vol. 13, no. 5, pp. 1071-1088, Oct. 2017.  [View]
  47. Wonjae Shin, Jong-Bu Lim, Hyun-Ho Choi*, Jungwoo Lee, and H. Vincent Poor, "Cyclic Interference Alignment for Full-Duplex Multi-Antenna Cellular Networks", IEEE Transactions on Communications, vol. 65, no. 6, pp. 2657-2671, Jun. 2017.  [View]
  48. Hyun-Ho Choi and Jung-Ryun Lee, "A Flocking-Inspired Algorithm for Fair Resource Allocation in Vehicle-Mounted Mobile Relays", Elsevier Journal of Network and Computer Applications, vol. 85, , pp. 134-142, May. 2017.  [View]
  49. Wonjong Noh, Wonjae Shin, and Hyun-Ho Choi*, "Performance Analysis of User Pairing Algorithm in Full-Duplex Cellular Networks", Hindawi Mobile Information Systems, vol. 2017, , pp. 1-12, Mar. 2017.  [View]
  50. Hyun-Ho Choi, "Adaptive and Prioritized Random Access and Resource Allocation Schemes for Dynamic TDMA/TDD Protocols", Journal of Information and Communication Convergence Engineering, vol. 15, no. 1, pp. 28-36, Mar. 2017.  [View]
  51. Wonjong Noh, Wonjae Shin, TaeDong Lee, Hyun-Ho Choi*, "Distributed Uplink Interference Control based on Resource Splitting in Heterogeneous Cellular Networks", Springer Wireless Networks, vol. 23, no. 2, pp. 625-640, Feb. 2017.  [View]
  52. Hyun-Ho Choi and Jung-Ryun Lee, "Principles, Applications, and Challenges of Synchronization in Nature for Future Mobile Communication Systems", Hindawi Mobile Information Systems, vol. 2017, , pp. 1-13, Jan. 2017.  [View]
  53. Hyun-Ho Choi* and Jung-Ryun Lee, "Multi-Phased Carrier Sense Multiple Access with Collision Resolution", QShine 2016, LNICST 199, , pp. 223-232, Jan. 2017.  [View]
  54. Hyun-Ho Choi and Jung-Ryun Lee, "Applying a Flocking-Inspired Algorithm to Fair Resource Allocation of Vehicle-Mounted Mobile Relays", QShine 2016, LNICST 199, , pp. 242-250, Jan. 2017.  [View]

    55. 2016
  55. Hyun-Ho Choi, Seok-Chul Kwon, Youngwook Ko, and Jung-Ryun Lee, "Self-Organization in Mobile Networking Systems", Hindawi Mobile Information Systems, vol. 2016, , pp. 1-2, Dec. 2016.  [View]
  56. Hyun-Ho Choi* and Jung-Ryun Lee, "Bio-Inspired Uplink Power Control for Energy-Efficient Mobile Stations in Wireless Cellular Networks", INFORMATION-An International Interdisciplinary Journal, vol. 19, no. 11, pp. 5119-5124, Nov. 2016.  [View]
  57. Un-Ha Kim, Eutteum Kong, Hyun-Ho Choi*, Jung-Ryun Lee*, "Analysis of Aggregation Delay for Multisource Sensor Data with On-Off Traffic Pattern in Wireless Body Area Networks", MDPI Sensors, vol. 16, no. 10, , Oct. 2016.  [View]
  58. SangHoon Kim, Hyun-Ho Choi, and YunSeop Yu, "Improvements in Adhesion Force and Smart Embedded Programming of Wall Inspection Robot", Springer Journal of Supercomputing, vol. 72, no. 7, pp. 2635-2650, Jul. 2016.  [View]
  59. Hyun-Ho Choi, Howon Lee, Sanghoon Kim, Jung-Ryun Lee, and In-Ho Lee, "Distributed Medium Access Control Protocol Based on Successive Collision Detection for Dense Wireless Sensor Networks", SAGE International Journal of Distributed Sensor Networks, vol. 12, no. 8, pp. 1-13, Jul. 2016.  [View]
  60. Hyun-Ho Choi, Howon Lee, Sanghoon Kim, and In-Ho Lee, "Throughput Analysis and Optimization of Distributed Collision Detection Protocols in Dense Wireless Local Area Networks", Journal of Communications and Networks, vol. 18, no. 3, pp. 502-512, Jun. 2016.  [View]
  61. Hyun-Ho Choi, Jung-Ryun Lee, Bongsoo Roh, Mijeong Hoh, and HyungSeok Choi, "Bio-Inspired Routing Protocol Based on Pheromone Diffusion in Mobile Ad Hoc Networks", EAI Endorsed Transactions on Collaborative Computing, vol. 16, no. 9, , May. 2016.  [View]
  62. Hyun-Ho Choi and Jung-Ryun Lee, "A Biologically Inspired Power Control Algorithm for Energy-Efficient Cellular Networks", MDPI Energies, vol. 9, no. 3, , Mar. 2016.  [View]
  63. Youngjae Kim, Hyun-Ho Choi, and Jung-Ryun Lee, "A Bio-inspired Fair Resource-Allocation Algorithm for TDMA-based Distributed Sensor Networks for IoT", Hindawi International Journal of Distributed Sensor Networks, vol. 2016, , pp. 1-10, Mar. 2016.  [View]
  64. Hyun-Ho Choi* and Sanghoon Kim, "Optimal Number of Neighbors for Fast Consensus in Wireless Networks with MAC Delay", INFORMATION-An International Interdisciplinary Journal, vol. 19, no. 2, pp. 465-472, Feb. 2016.  [View]

    65. 2015
  65. Hyun-Ho Choi, "Ad Hoc Cooperative Vertical Handover for Next-Generation Heterogeneous Networks", AEU - International Journal of Electronics and Communications, vol. 69, no. 10, pp. 1557-1561, Oct. 2015.  [View]
  66. Hyun-Ho Choi, In-Ho Lee, and Howon Lee, "Delay Analysis of Carrier Sense Multiple Access with Collision Resolution", Journal of Communications and Networks, vol. 17, no. 3, pp. 275-285, Jun. 2015.  [View]

    67. 2014
  67. Sanghoon Kim, Joowhan Park, Taewhan Kim, Jaewoong Shin, Yunseop Yu, and Hyun-Ho Choi, "Improvement of Adhesion Force and Locomotion of Wall Climbing Robot using Physical Analysis", INFORMATION-An International Interdisciplinary Journal, vol. 17, no. 11, pp. 5513-5521, Nov. 2014.  [View]
  68. Hyun-Ho Choi, Hyunggon Park, and Jung-Ryun Lee, "Vertical Handover Strategy for Multi-Layered Real-Time Video Traffics", IEICE Trans. on Information and Systems, vol. E97-D, no. 10, pp. 2802-2805, Oct. 2014.  [View]
  69. Hyun-Ho Choi and Jung-Ryun Lee, "Analysis of Energy-Delay Trade-off for Power-Saving Mechanism Specific to Request-and-Response-based Applications", IEICE Trans. on Communications, vol. E97-B, no. 7, pp. 1422-1428, Jul. 2014.  [View]
  70. Hyun-Ho Choi, "Carrier Sensing Multiple Access with Collision Resolution (CSMA/CR) Protocol for Next-Generation Wireless LAN", INFORMATION-An International Interdisciplinary Journal, vol. 17, no. 4, pp. 1465-1479, Apr. 2014.  [View]
  71. Hyun-Ho Choi, Ki-Ho Lee, and Jung-Ryun Lee, "Energy-Delay Tradeoff Analysis of User State Transition Mechanism for Mobile Web Services", Elsevier Journal of Network and Computer Applications, vol. 40, , pp. 227-233, Apr. 2014.  [View]
  72. Hyun-Ho Choi and Jung-Ryun Lee, "Distributed Transmit Power Control for Maximizing End-to-End Throughput in Wireless Multi-hop Networks", Springer Wireless Personal Communications, vol. 74, no. 3, pp. 1033-1044, Feb. 2014.  [View]
  73. Sangjun Lee, Howon Lee, Hyun-Ho Choi, and In-Ho Lee, "Outage Probability of Decode-and-Forward Relaying Systems with Efficient Partial Relay Selection in Nakagami Fading Channels", ETRI Journal, vol. 36, no. 1, pp. 22-30, Feb. 2014.  [View]
  74. Hyun-Ho Choi, Hyun-Gyu Lee, and Jung-Ryun Lee, "A New Energy-aware Source Routing Protocol for Maximization of Network Lifetime in MANET", IEICE Trans. on Information and Systems, vol. E97-D, no. 2, pp. 335-339, Feb. 2014.  [View]
  75. Hyun-Ho Choi, "On the Degrees of Freedom of Interference Alignment for Multi-Cell MIMO Interfering Broadcast Channels", Hindawi The Scientific World Journal, vol. 2014, , pp. 1-8, Feb. 2014.  [View]

    76. 2013
  76. Hyun-Ho Choi, Jung-Min Moon, In-Ho Lee, and Howon Lee, "Carrier Sense Multiple Access with Collision Resolution", IEEE Communications Letters, vol. 17, no. 6, pp. 1284-1287, Jun. 2013.  [View]
  77. In-Ho Lee, Howon Lee, and Hyun-Ho Choi*, "Exact Outage Probability of Relay Selection in Decode-and-Forward Based Cooperative Multicast Systems", IEEE Communications Letters, vol. 17, no. 3, pp. 483-486, Mar. 2013.  [View]

    78. 2012
  78. Wonjae Shin, Wonjong Noh, KyungHun Jang, and Hyun-Ho Choi*, "Hierarchical Interference Alignment for Downlink Heterogeneous Networks", IEEE Trans. on Wireless Communications, vol. 11, no. 12, pp. 4549-4559, Dec. 2012.  [View]
  79. Hyun-Ho Choi, Ki-Ho Lee, and Jung-Ryun Lee, "Analysis of Tradeoff between Energy Consumption and Activation Delay in Power Management Mechanisms", IEEE Communications Letters, vol. 16, no. 3, pp. 414-416, Mar. 2012.  [View]

    80. 2010
  80. Hyun-Ho Choi and Dong-Ho Cho, "On the Use of Ad Hoc Cooperation for Seamless Vertical Handoff and Its Performance Evaluation", Springer Mobile Networks and Applications, vol. 15, no. 5, pp. 750-766, Oct. 2010.  [View]
  81. Hyun-Ho Choi, "An Optimal Handover Decision for Throughput Enhancement", IEEE Communications Letters, vol. 14, no. 9, pp. 851-853, Sep. 2010.  [View]
  82. Ki-Ho Lee, Hyun-Ho Choi, and Jung-Ryun Lee, "Throughput-Efficient Data Transmission Algorithm with QoS Support for Type-II Hybrid ARQ", AEU Int. J. Electron. Commun., vol. 64, no. 8, pp. 779-783, Aug. 2010.  [View]
  83. Hyun-Ho Choi, Ohyoung Song, Yeon-Kyung Park, and Jung-Ryun Lee, "Performance Evaluation of Opportunistic Vertical Handover Considering On-Off Characteristics of VoIP Traffic", IEEE Trans. on Vehicular Technology, vol. 59, no. 6, pp. 3115-3121, Jul. 2010.  [View]
  84. Ki-Ho Lee, Hyun-Ho Choi*, and Dong-Ho Cho, "Performance Evaluation of Resource Allocation Scheme Based on Hierarchical Constellation in Cellular Networks", IEICE Trans. on Communications, vol. E93-B, no. 5, pp. 1289-1292, May. 2010.  [View]

    85. 2009
  85. Hyun-Ho Choi, Ohyoung Song, and Jung-Ryun Lee, "Voice-activity-based vertical handover in 3G-WLAN interworking networks", IET Electronics Letters, vol. 45, no. 21, pp. 1099-1101, Oct. 2009.  [View]
  86. Hyun-Ho Choi, Jung-Ryun Lee, and Dong-Ho Cho, "On the Use of a Power-Saving Mode for Mobile VoIP Devices and Its Performance Evaluation", IEEE Trans. on Consumer Electronics, vol. 55, no. 3, pp. 1537-1545, Aug. 2009.  [View]

    87. 2007
  87. Hyun-Ho Choi and Dong-Ho Cho, "Optimal Sleep Interval Decision for Energy-Efficient VoIP Services in Wireless Networks", IET Electronics Letters, vol. 43, no. 15, pp. 818-819, Jul. 2007.  [View]
  88. Hyun-Ho Choi, Osok Song, and Dong-Ho Cho, "Seamless Handoff Scheme Based on Pre-registration and Pre-authentication for UMTS-WLAN Interworking", Springer Wireless Personal Communications, vol. 41 , no. 3, pp. 345-364, May. 2007.  [View]
  89. Hyun-Ho Choi, Jung-Ryun Lee, and Dong-Ho Cho, "Hybrid Power Saving Mechanism for VoIP Services with Silence Suppression in IEEE 802.16e Systems", IEEE Communications Letters, vol. 11, no. 5, pp. 455-457, May. 2007.  [View]

    90. 2004
  90. Hyun-Ho Choi, Sun-Ho Lee, and Dong-Ho Cho, "Hybrid Access Scheme Based on One-Phase Preamble and Channel Monitoring/Assignment for Satelite Communications", IEEE Communications Letters, vol. 8, no. 2, pp. 96-98, Feb. 2004.  [View]

    91. 2003
  91. Jumin Lee, Hyun-Ho Choi*, Jemin Chung, and Dong-Ho Cho, "Performance Analysis of Handoff for Virtual Cellular Network with Centralized/Distributed Resource Control", IEICE Trans. on Communications, vol. E86-B, no. 9, pp. 2828-2834, Sep. 2003.  [View]
  92. Hyu-Dae Kim, Bum-Sik Bae, Hyun-Ho Choi*, and Dong-Ho Cho, "A New CPCH Access Scheme for Priority Service", IEICE Trans. on Communications, vol. E86-B, no. 4, pp. 1448-1452, Apr. 2003.  [View]
  93. Hyun-Ho Choi, Gyung-Ho Hwang, and Dong-Ho Cho, "Adaptive Random Access and Resource Allocation Scheme based on Traffic Load in HiperLAN Type2 System", IEEE Communications Letters, vol. 7, no. 4, pp. 192-194, Apr. 2003.  [View]

    94. 2002
  94. Youl-Kyu Suh, Sung-Hong Wie, Hyun-Ho Choi*, and Dong-Ho Cho, "Performance Analysis of Bulk Handoff in Integrated Voice/Data Wireless Networks", IEICE Trans. on Communications, vol. E85-B, no. 7, pp. 1396-1401, Jul. 2002.  [View]