Heejung Yu

159 papers B 4C 2Misc 4Journal 125Unranked 24
YearRankTypeTitle / Venue / Authors
2026 J jnl
Adaptive Ground User Pairing in Flying-STAR-RIS-Assisted AAV mmWave CF mMIMO Satellite-RSMA Networks.
IEEE Access
Ridho Hendra Yoga Perdana, Heejung Yu, Taejoon Kim
2026 — conf
Cross-RIS-Aware Phase Design for Multi-Cell Multi-RIS Networks.
ICAIIC
Sungyun Oh, Heejung Yu
2026 — conf
Hierarchical RL-Based Slotted ALOHA Protocol with Transmit Power Control.
CCNC
Sangho Kim, Junseok Lee, Heejung Yu
2026 J jnl
Novel secure user scheduling for uplink wireless networks against potential eavesdroppers.
Comput. Networks
Woong Son, Ki-Hun Lee, Heejung Yu, Bang Chul Jung
2026 — conf
Reinforcement Learning-Based Joint Optimization of Transmit Power, CCA, and UAV-AP Deployment in Aerial Wi-Fi Network.
CCNC
Younghoon Kim, Ji Min Park, Heejung Yu
2026 J jnl
SecureDyn-FL: A Robust Privacy-Preserving Federated Learning Framework for Intrusion Detection in IoT Networks.
CoRR
Imtiaz Ali Soomro, Hamood ur Rehman, Syed Jawad Hussain, Adeel Iqbal, Waqas Khalid, Heejung Yu
2026 J jnl
SecureDyn-FL: A Robust Privacy-Preserving Federated Learning Framework for Intrusion Detection in IoT Networks.
IEEE Trans. Netw. Serv. Manag.
Imtiaz Ali Soomro, Hamood Ur Rehman Khan, Syed Jawad Hussain, Adeel Iqbal, Waqas Khalid, Heejung Yu
2025 J jnl
Adaptive Network Selection for Latency-Aware V2X Systems Under Varying Network and Vehicle Densities.
IEEE Access
Muhammad Zia Ul Haq, Nadia N. Qadri, Omer Chughtai, Sadiq Ahmad, Waqas Khalid, Heejung Yu
2025 J jnl
Adaptive Network Selection for Latency-Aware V2X Systems under Varying Network and Vehicle Densities.
CoRR
Muhammad Zia Ul Haq, Nadia N. Qadri, Omer Chughtai, Sadiq A. Ahmad, Waqas Khalid, Heejung Yu
2025 J jnl
D
IEEE Trans. Intell. Transp. Syst.
Yerin Lee, Heejung Yu, Howon Lee, Mohamed-Slim Alouini
2025 J jnl
Joint Resource Allocation and Power Control in Rate-Splitting Multiple Access-Based Integrated Terrestrial and Non-Terrestrial Networks With HAP Assistance.
IEEE Access
Thong Nhat Tran, Young Jeon, Heejung Yu, Taejoon Kim
2025 J jnl
Malicious Reconfigurable Intelligent Surfaces: Security Threats in 6G Networks.
IEEE Internet Things J.
Waqas Khalid, Trinh Van Chien, Wali Ullah Khan, Zeeshan Kaleem, Yousaf Bin Zikria, Taejoon Kim, Heejung Yu
2025 J jnl
O-RAN-Based NTN Architecture: Open NTN Concept and Optimization of Power Allocation and Fronthaul Compression.
IEEE Trans. Aerosp. Electron. Syst.
Junseok Lee, Hee Wook Kim, Joon-Gyu Ryu, Yousaf Bin Zikria, Bang Chul Jung, Heejung Yu
2025 J jnl
Optimal Operation of Active RIS-Aided Wireless Powered Communications in IoT Networks.
IEEE Internet Things J.
Waqas Khalid, Alexandros-Apostolos A. Boulogeorgos, Trinh Van Chien, Junse Lee, Howon Lee, Heejung Yu
2025 — conf
Optimal UAV-Relay Positioning and Transmit Power Allocation in ISAC-Based A2G Networks.
CCNC
Ji Min Park, Junseok Lee, Heejung Yu
2025 — conf
Performance Improvement of Hybrid Pseudo-Bayesian Approach-Based Random Access in FANETs.
CCNC
Jimin Jeon, Taewook Kim, Heejung Yu, Howon Lee
2025 J jnl
Physical-layer security in MU-MISO downlink networks against potential eavesdroppers.
Digit. Commun. Networks
Woong Son, Minkyu Oh, Heejung Yu, Bang Chul Jung
2025 J jnl
RIS-aided free-space optics communications in A2G networks over inverted Gamma-Gamma turbulent channels.
ICT Express
Md. Abdur Rakib, Md. Ibrahim, A. S. M. Badrudduza, Imran Shafique Ansari, Md. Shahid Uz Zaman, Heejung Yu
2025 J jnl
Reduced UAVs' Deployment and Trajectory Optimization With Balanced Traveling Distance.
IEEE Trans. Aerosp. Electron. Syst.
Young Jeon, Kunmin Yeo, Heejung Yu, Taejoon Kim
2025 J jnl
Secrecy Performance Analysis of Integrated RF-UOWC IoT Networks Enabled by UAV and Underwater RIS.
IEEE Internet Things J.
Abrar Bin Sarawar, A. S. M. Badrudduza, Md. Ibrahim, Imran Shafique Ansari, Heejung Yu
2025 J jnl
Sky visibility analysis under urban networks: A stochastic geometry approach.
ICT Express
Heejung Yu, Sooyeob Jung, Joon-Gyu Ryu, Junse Lee
2024 — conf
Active RIS-Aided Terahertz Communications with Phase Error and Beam Misalignment.
ICTC
Waqas Khalid, Heejung Yu, Farman Ali, Huiping Huang
2024 J jnl
Active RIS-Aided Terahertz Communications with Phase Error and Beam Misalignment.
CoRR
Waqas Khalid, Heejung Yu, Farman Ali, Huiping Huang
2024 J jnl
Active Reconfigurable Intelligent Surface-Aided Terahertz Wireless Communications.
CoRR
Waqas Khalid, Heejung Yu, Yazdan Ahmad Qadri
2024 J jnl
An intelligent IoT intrusion detection system using HeInit-WGAN and SSO-BNMCNN based multivariate feature analysis.
Eng. Appl. Artif. Intell.
Jianbin Wu, Sami Ahmed Haider, Heejung Yu, Muhammad Irshad, Mukesh Soni, Mohit Kumar Bhadla, Yousaf Bin Zikria
2024 J jnl
Effects of co-channel interference on RIS empowered wireless networks amid multiple eavesdropping attempts.
ICT Express
Md. Roisul Ajom Ruku, Md. Ibrahim, A. S. M. Badrudduza, Imran Shafique Ansari, Waqas Khalid, Heejung Yu
2024 J jnl
HyPE: Online Hybrid Pseudo-Bayesian Estimation Method for S-ALOHA-Based Tactical FANETs.
IEEE Access
Jimin Jeon, Junseung Lee, Taewook Kim, Jaeha Ahn, Youngbin Yu, Min Lee, Heejung Yu, Howon Lee
2024 J jnl
Impact of RIS on Outage Probability and Ergodic Rate in Wireless Powered Communication.
CoRR
Waqas Khalid, Manish Nair, Trinh Van Chien, Heejung Yu
2024 J jnl
Optimal Operation of Active RIS-Aided Wireless Powered Communications in IoT Networks.
CoRR
Waqas Khalid, Alexandros-Apostolos A. Boulogeorgos, Trinh Van Chien, Junse Lee, Howon Lee, Heejung Yu
2024 — conf
Outage Analysis for Active Reconfigurable Intelligent Surface-Enhanced Wireless Powered Communication Networks.
ICAIIC
Waqas Khalid, Heejung Yu, Alexandros-Apostolos A. Boulogeorgos
2024 J jnl
Outage Analysis for Active Reconfigurable Intelligent Surface-Enhanced Wireless Powered Communication Networks.
CoRR
Waqas Khalid, Heejung Yu, Alexandros-Apostolos A. Boulogeorgos
2024 J jnl
Overview of RIS-enabled secure transmission in 6G wireless networks.
Digit. Commun. Networks
JungSook Bae, Waqas Khalid, Anseok Lee, Heesoo Lee, Song Noh, Heejung Yu
2024 J jnl
Physical-Layer Security in Mixed UOWC-RF Networks With Energy Harvesting Relay Against Multiple Eavesdroppers.
IEEE Open J. Commun. Soc.
Moloy Kumar Ghosh, Milton Kumar Kundu, Md. Ibrahim, A. S. M. Badrudduza, Md. Shamim Anower, Imran Shafique Ansari, Annie Solomon, Sumit Chakravarty, Imtiaz Ahmed, Heejung Yu
2024 J jnl
RIS-Aided Free-Space Optics Communications in A2G Networks over Inverted Gamma-Gamma Turbulent Channels.
CoRR
Md. Abdur Rakib, Md. Ibrahim, A. S. M. Badrudduza, Imran Shafique Ansari, Md. Shahid Uz Zaman, Heejung Yu
2024 J jnl
RIS-Assisted Wireless Communications: Long-Term Versus Short-Term Phase Shift Designs.
IEEE Trans. Commun.
Trinh Van Chien, Lam-Thanh Tu, Waqas Khalid, Heejung Yu, Symeon Chatzinotas, Marco Di Renzo
2024 J jnl
Reconfigurable Intelligent Surface for Physical Layer Security in 6G-IoT: Designs, Issues, and Advances.
IEEE Internet Things J.
Waqas Khalid, Muhammad Atif Ur Rehman, Trinh Van Chien, Zeeshan Kaleem, Howon Lee, Heejung Yu
2024 J jnl
Reinforcement Learning for Energy-Efficient User Association in UAV-Assisted Cellular Networks.
IEEE Trans. Aerosp. Electron. Syst.
Zeeshan Kaleem, Waqas Khalid, Ayaz Ahmad, Heejung Yu, Abdullah M. Almasoud, Chau Yuen
2024 J jnl
Secrecy Performance Analysis of Integrated RF-UWOC IoT Networks Enabled by UAV and Underwater-RIS.
CoRR
Abrar Bin Sarawar, A. S. M. Badrudduza, Md. Ibrahim, Imran Shafique Ansari, Heejung Yu
2024 J jnl
Strategies for Optimizing Uplink Spectrum Efficiency in Cell-Free Massive MIMO Satellite-UAV Network.
IEEE Internet Things J.
Thong Nhat Tran, Heejung Yu, Taejoon Kim
2023 J jnl
A Survey on Dynamic Application Mapping Approaches for Real-Time Network-on-Chip-Based Platforms.
IEEE Access
Sharoon Saleem, Fawad Hussain, Waqar Amin, Rehan Ahmed, Yousaf Bin Zikria, Farruh Ishmanov, Heejung Yu
2023 J jnl
A novel subset-based polynomial design for enhancing the security of short message-digest with inflated avalanche and random responses.
J. King Saud Univ. Comput. Inf. Sci.
P. Karthik, P. Shanthi Bala, Akashdeep Bhardwaj, Salil Bharany, Heejung Yu, Yousaf Bin Zikria
2023 J jnl
Blockchain-based decentralized trust management in IoT: systems, requirements and challenges.
Complex Intell. Syst.
Qurat-ul-Ain Arshad, Wazir Zada Khan, Faisal Azam, Muhammad Khurram Khan, Heejung Yu, Yousaf Bin Zikria
2023 J jnl
Efficient application mapping approach based on grey wolf optimization for network on chip.
J. Netw. Comput. Appl.
Waqar Amin, Fawad Hussain, Sheraz Anjum, Sharoon Saleem, Naveed Khan Baloch, Yousaf Bin Zikria, Heejung Yu
2023 J jnl
Enabling technologies for AI empowered 6G massive radio access networks.
ICT Express
Md. Shahjalal, Woojun Kim, Waqas Khalid, Seokjae Moon, Murad Khan, Shuzhi Liu, Suhyeon Lim, Eunjin Kim, Deok Won Yun, Joohyun Lee, Won Cheol Lee, Seung-Hoon Hwang, Dongkyun Kim, Jang-Won Lee, Heejung Yu, Youngchul Sung, Yeong Min Jang
2023 — conf
Impact of RIS on Outage Probability and Ergodic Rate in Wireless Powered Communication.
ICTC
Waqas Khalid, Manish Nair, Trinh Van Chien, Heejung Yu
2023 J jnl
Integrated single target sensing and multiuser communications based on zero-forcing beamforming.
Veh. Commun.
Jingon Joung, Heejung Yu, Tony Q. S. Quek
2023 J jnl
Joint Direct and Indirect Channel Estimation for RIS-Assisted Millimeter-Wave Systems Based on Array Signal Processing.
IEEE Trans. Wirel. Commun.
Song Noh, Kyungsik Seo, Youngchul Sung, David J. Love, Junse Lee, Heejung Yu
2023 — conf
Optimal Power and Position Control for UAV-assisted JCR Networks: Multi-Agent Q-Learning Approach.
CCNC
Ji Min Park, Howon Lee, Heejung Yu
2023 J jnl
Overview of RIS-Enabled Secure Transmission in 6G Wireless Networks.
CoRR
JungSook Bae, Waqas Khalid, Anseok Lee, Heesoo Lee, Song Noh, Heejung Yu
2023 J jnl
RIS-Aided Mixed RF-FSO Wireless Networks: Secrecy Performance Analysis With Simultaneous Eavesdropping.
IEEE Access
Md. Mijanur Rahman, A. S. M. Badrudduza, Noor Ahmad Sarker, Md. Ibrahim, Imran Shafique Ansari, Heejung Yu
2023 J jnl
RIS-Assisted Wireless Communications: Long-Term versus Short-Term Phase Shift Designs.
CoRR
Trinh Van Chien, Lam-Thanh Tu, Waqas Khalid, Heejung Yu, Symeon Chatzinotas, Marco Di Renzo
2023 J jnl
Reconfigurable Intelligent Surface for Physical Layer Security in 6G-IoT: Designs, Issues, and Advances.
CoRR
Waqas Khalid, Muhammad Atif Ur Rehman, Trinh Van Chien, Zeeshan Kaleem, Howon Lee, Heejung Yu
2023 J jnl
Satellite Clustering for Non-Terrestrial Networks: Concept, Architectures, and Applications.
CoRR
Dong-Hyun Jung, Gyeongrae Im, Joon-Gyu Ryu, Seungkeun Park, Heejung Yu, Junil Choi
2023 J jnl
Satellite Clustering for Non-Terrestrial Networks: Concept, Architectures, and Applications.
IEEE Veh. Technol. Mag.
Dong-Hyun Jung, Gyeongrae Im, Joon-Gyu Ryu, Seungkeun Park, Heejung Yu, Junil Choi
2023 J jnl
Simultaneous Transmitting and Reflecting-Reconfigurable Intelligent Surface in 6G: Design Guidelines and Future Perspectives.
IEEE Netw.
Waqas Khalid, Zeeshan Kaleem, Rehmat Ullah, Trinh Van Chien, Song Noh, Heejung Yu
2023 — conf
Simultaneously Transmitting and Reflecting-Reconfigurable Intelligent Surfaces with Hardware Impairment and Phase Error.
ICAIIC
Waqas Khalid, Muhammad Atif Ur Rehman, Trinh Van Chien, Heejung Yu
2022 J jnl
An efficient and cost effective application mapping for network-on-chip using Andean condor algorithm.
J. Netw. Comput. Appl.
Farrukh Mehmood, Naveed Khan Baloch, Fawad Hussain, Waqar Amin, M. Shamim Hossain, Yousaf Bin Zikria, Heejung Yu
2022 J jnl
Channel Estimation Techniques for RIS-Assisted Communication: Millimeter-Wave and Sub-THz Systems.
IEEE Veh. Technol. Mag.
Song Noh, Junse Lee, Gilwon Lee, Kyungsik Seo, Youngchul Sung, Heejung Yu
2022 J jnl
Design of Channel Estimation for Hybrid Beamforming Millimeter-Wave Systems in the Presence of Beam Squint.
IEEE Syst. J.
Song Noh, Jaekoo Lee, Heejung Yu, Jiho Song
2022 J jnl
Discrete Phase Shifts of Intelligent Reflecting Surface Systems Considering Network Overhead.
Entropy
Jaehong Kim, Heejung Yu, Xin Kang, Jingon Joung
2022 J jnl
High-Resolution and Low-Complexity Direction of Arrival Estimation for Hybrid Array of Subarrays.
IEEE Access
Song Noh, Jiho Song, Junse Lee, Heejung Yu
2022 J jnl
Joint Design of Improved Spectrum and Energy Efficiency With Backscatter NOMA for IoT.
IEEE Access
Chi-Bao Le, Dinh-Thuan Do, Adão Silva, Wali Ullah Khan, Waqas Khalid, Heejung Yu, Nhan Duc Nguyen
2022 J jnl
Multiagent Q-Learning-Based Multi-UAV Wireless Networks for Maximizing Energy Efficiency: Deployment and Power Control Strategy Design.
IEEE Internet Things J.
Seungmin Lee, Heejung Yu, Howon Lee
2022 J jnl
Optimal Pilot and Data Power Allocation for Joint Communication-Radar Air-to-Ground Networks.
IEEE Access
Ji Min Park, Juphil Cho, Song Noh, Heejung Yu
2022 J jnl
Optimal Tethered-UAV Deployment in A2G Communication Networks: Multi-Agent Q-Learning Approach.
IEEE Internet Things J.
Suhyeon Lim, Heejung Yu, Howon Lee
2022 C conf
Outage Performance Analysis of Hybrid Relay-Reconfigurable Intelligent Surface Networks.
APCC
Waqas Khalid, Md. Shahjalal, Heejung Yu
2022 J jnl
Rate-Energy Tradeoff Analysis in RIS-SWIPT Systems With Hardware Impairments and Phase-Based Amplitude Response.
IEEE Access
Waqas Khalid, Heejung Yu, Juphil Cho, Zeeshan Kaleem, Shabir Ahmad
2022 J jnl
Simultaneous Transmitting and Reflecting-Reconfigurable Intelligent Surface in 6G: Design Guidelines and Future Perspectives.
CoRR
Waqas Khalid, Zeeshan Kaleem, Rehmat Ullah, Trinh Van Chien, Song Noh, Heejung Yu
2022 J jnl
Training Signal Design for Sparse Channel Estimation in Intelligent Reflecting Surface-Assisted Millimeter-Wave Communication.
IEEE Trans. Wirel. Commun.
Song Noh, Heejung Yu, Youngchul Sung
2021 J jnl
Advanced Physical-Layer Technologies for Beyond 5G Wireless Communication Networks.
Sensors
Waqas Khalid, Heejung Yu, Rashid Ali, Rehmat Ullah
2021 J jnl
Aircraft Classification Based on PCA and Feature Fusion Techniques in Convolutional Neural Network.
IEEE Access
Faisal Azam, Akash Rizvi, Wazir Zada Khan, Mohammed Y. Aalsalem, Heejung Yu, Yousaf Bin Zikria
2021 J jnl
An Optimized Nature-Inspired Metaheuristic Algorithm for Application Mapping in 2D-NoC.
Sensors
Saleha Sikandar, Naveed Khan Baloch, Fawad Hussain, Waqar Amin, Yousaf Bin Zikria, Heejung Yu
2021 J jnl
Application Mapping Using Cuckoo Search Optimization With Lévy Flight for NoC-Based System.
IEEE Access
Muhammad Junaid Mohiz, Naveed Khan Baloch, Fawad Hussain, Sharoon Saleem, Yousaf Bin Zikria, Heejung Yu
2021 J jnl
Bandwidth Design for Energy-Efficient Unmanned Aerial Vehicle Using Space-Time Line Code.
IEEE Syst. J.
Jingon Joung, Heejung Yu, Jian Zhao
2021 J jnl
Design of the Power and Dimension of Artificial Noise for Secure Communication Systems.
IEEE Trans. Commun.
Heejung Yu, Jingon Joung
2021 J jnl
Frame Structure Design for Vehicular-to-Roadside Unit Communications Using Space-Time Line Code Under Time-Varying Channels.
IEEE Syst. J.
Heejung Yu, Jingon Joung
2021 — conf
On the Impact of Transceiver Impairments and Reflecting Elements for RIS-Aided Communications.
ICTC
Waqas Khalid, Heejung Yu
2021 J jnl
Opportunistic Relay in Multicast Channels With Generalized Shadowed Fading Effects: A Physical Layer Security Perspective.
IEEE Access
S. M. Saumik Shahriyer, A. S. M. Badrudduza, Sarjana Shabab, Milton Kumar Kundu, Heejung Yu
2021 J jnl
Optimization of Frame Structure and Fronthaul Compression for Uplink C-RAN Under Time-Varying Channels.
IEEE Trans. Wirel. Commun.
Heejung Yu, Jingon Joung
2021 J jnl
RIS-Aided Physical Layer Security With Full-Duplex Jamming in Underlay D2D Networks.
IEEE Access
Waqas Khalid, Heejung Yu, Dinh-Thuan Do, Zeeshan Kaleem, Song Noh
2021 J jnl
Secure IoT Communications Using HARQ-Based Beamforming for MISOSE Channels.
IEEE Internet Things J.
Heejung Yu, Jingon Joung
2021 J jnl
Security Improvement With QoS Provisioning Using Service Priority and Power Allocation for NOMA-IoT Networks.
IEEE Access
Waqas Khalid, Heejung Yu
2021 J jnl
Security at the Physical Layer Over GG Fading and mEGG Turbulence Induced RF-UOWC Mixed System.
IEEE Access
A. S. M. Badrudduza, Md. Ibrahim, S. M. Riazul Islam, Md. Shakhawat Hossen, Milton Kumar Kundu, Imran Shafique Ansari, Heejung Yu
2021 — conf
Training Signal Design for Sparse Channel Estimation in Millimeter-Wave Communication with Intelligent Reflecting Surfaces.
ICC Workshops
Song Noh, Heejung Yu, Youngchul Sung
2021 J jnl
WiFi HaLow for Long-Range and Low-Power Internet of Things: System on Chip Development and Performance Evaluation.
IEEE Commun. Mag.
Il-Gu Lee, Duk-Bai Kim, Jeongki Choi, Hyungu Park, Sok-Kyu Lee, Juphil Cho, Heejung Yu
2020 J jnl
Cognitive Interference Cancellation with Digital Channelizer for Satellite Communication.
Sensors
Byounghak Kim, Heejung Yu, Song Noh
2020 J jnl
Cognitive Radio Networks for Internet of Things and Wireless Sensor Networks.
Sensors
Heejung Yu, Yousaf Bin Zikria
2020 J jnl
Device-to-Device Aided Cooperative Relaying Scheme Exploiting Spatial Modulation: An Interference Free Strategy.
Sensors
Md. Shahriar Kamal, Md. Fazlul Kader, S. M. Riazul Islam, Heejung Yu
2020 J jnl
Enhanced Sensing and Sum-Rate Analysis in a Cognitive Radio-Based Internet of Things.
Sensors
Md. Sipon Miah, Kazi Mowdud Ahmed, Md. Khairul Islam, Md. Ashek Raihan Mahmud, Md. Mahbubur Rahman, Heejung Yu
2020 J jnl
Fault-Tolerant Network-On-Chip Router Architecture Design for Heterogeneous Computing Systems in the Context of Internet of Things.
Sensors
Muhammad Rashid, Naveed Khan Baloch, Muhammad Akmal Shafique, Fawad Hussain, Shahroon Saleem, Yousaf Bin Zikria, Heejung Yu
2020 J jnl
Impact of Feature Selection Algorithm on Speech Emotion Recognition Using Deep Convolutional Neural Network.
Sensors
Misbah Farooq, Fawad Hussain, Naveed Khan Baloch, Fawad Riasat Raja, Heejung Yu, Yousaf Bin Zikria
2020 J jnl
Joint Optimization of Power and Fronthaul Compression for Data and Pilot Signals in Uplink C-RANs.
IEEE Syst. J.
Heejung Yu, Howon Lee
2020 J jnl
Optimization of uplink rate and fronthaul compression in cloud radio access networks.
Future Gener. Comput. Syst.
Heejung Yu, Taejoon Kim
2020 J jnl
Physical layer security based on NOMA and AJ for MISOSE channels with an untrusted relay.
Future Gener. Comput. Syst.
Heejung Yu, Il-Gu Lee
2020 J jnl
Residual Energy Analysis in Cognitive Radios with Energy Harvesting UAV under Reliability and Secrecy Constraints.
Sensors
Waqas Khalid, Heejung Yu, Song Noh
2020 J jnl
Secrecy Performance Analysis of Mixed Hyper-Gamma and Gamma-Gamma Cooperative Relaying System.
IEEE Access
Noor Ahmad Sarker, A. S. M. Badrudduza, S. M. Riazul Islam, Sheikh Habibul Islam, Imran Shafique Ansari, Milton Kumar Kundu, Mst Fateha Samad, Md. Biplob Hossain, Heejung Yu
2020 J jnl
Tactile Internet: Technologies, test platforms, trials, and applications.
Future Gener. Comput. Syst.
Heejung Yu, Muhammad Khalil Afzal, Yousaf Bin Zikria, Abderrezak Rachedi, Frank H. P. Fitzek
2020 J jnl
Training Signal Design for Sparse Channel Estimation in Intelligent Reflecting Surface-Assisted Millimeter-Wave Communication.
CoRR
Song Noh, Heejung Yu, Youngchul Sung
2020 J jnl
TrustWalker: An Efficient Trust Assessment in Vehicular Internet of Things (VIoT) with Security Consideration.
Sensors
Muhammad Sohail, Rashid Ali, Muhammad Kashif, Sher Ali, Sumet Mehta, Yousaf Bin Zikria, Heejung Yu
2019 — conf
Sensing and Utilization of Spectrum with Cooperation Interference for Full-Duplex Cognitive Radio Networks.
ICUFN
Waqas Khalid, Heejung Yu
2019 J jnl
Spatial-Temporal Sensing and Utilization in Full Duplex Spectrum-Heterogeneous Cognitive Radio Networks for the Internet of Things.
Sensors
Waqas Khalid, Heejung Yu
2019 J jnl
Training and Data Structures for AN-Aided Secure Communication.
IEEE Syst. J.
Heejung Yu, Taejoon Kim
2019 J jnl
Wireless Backhaul Based on IEEE 802.11ac With Smart Beamforming.
IEEE Syst. J.
Youngseok Oh, Sungmin Cho, Heejung Yu
2018 J jnl
A Survey on Resource Management in IoT Operating Systems.
IEEE Access
Arslan Musaddiq, Yousaf Bin Zikria, Oliver Hahm, Heejung Yu, Ali Kashif Bashir, Sung Won Kim
2018 J jnl
A survey on routing protocols supported by the Contiki Internet of things operating system.
Future Gener. Comput. Syst.
Yousaf Bin Zikria, Muhammad Khalil Afzal, Farruh Ishmanov, Sung Won Kim, Heejung Yu
2018 J jnl
Energy-Efficient HARQ-IR for Massive MIMO Systems.
IEEE Trans. Commun.
Seongjin Kim, Heejung Yu
2018 J jnl
Internet of Things (IoT): Operating System, Applications and Protocols Design, and Validation Techniques.
Future Gener. Comput. Syst.
Yousaf Bin Zikria, Heejung Yu, Muhammad Khalil Afzal, Mubashir Husain Rehmani, Oliver Hahm
2018 — conf
Low-Complexity Nonlinearity Post Compensator for Shared Band Transmission in Satellite Communication.
ISWCS
Sooyeob Jung, Joon-Gyu Ryu, Deock-Gil Oh, Heejung Yu
2018 J jnl
Multiple Access Control for Cognitive Radio-Based IEEE 802.11ah Networks.
Sensors
Muhammad Shafiq, Maqbool Ahmad, Azeem Irshad, Moneeb Gohar, Muhammad Usman, Muhammad Khalil Afzal, Jin-Ghoo Choi, Heejung Yu
2018 J jnl
Opportunistic channel selection MAC protocol for cognitive radio ad hoc sensor networks in the internet of things.
Sustain. Comput. Informatics Syst.
Yousaf Bin Zikria, Farruh Ishmanov, Muhammad Khalil Afzal, Sung Won Kim, Seung Yeob Nam, Heejung Yu
2018 J jnl
Resource planning and backhaul-link optimisation for relay networks.
IET Commun.
Taejoon Kim, Heejung Yu
2018 J jnl
Wireless Secure Communication With Beamforming and Jamming in Time-Varying Wiretap Channels.
IEEE Trans. Inf. Forensics Secur.
Heejung Yu, Taejoon Kim, Hamid Jafarkhani
2017 J jnl
A New Cellular Network Structure Deploying Shared Relays with Sectorization.
Wirel. Pers. Commun.
Sungmin Cho, Youngseok Oh, Heejung Yu, Woongsup Lee
2017 J jnl
Energy- and Spectral-Efficiency Trade-Off in OFDMA Downlink Channels.
Wirel. Pers. Commun.
Seongjin Kim, Heejung Yu
2017 — conf
Improvement of spectrum utilization with retransmission in cognitive radio networks: Analytical approach.
ICUMT
Waqas Khalid, Heejung Yu, Yousaf Bin Zikria
2017 J jnl
Optimal Resource Planning with Interference Coordination for Relay-Based Cellular Networks.
KSII Trans. Internet Inf. Syst.
Taejoon Kim, Kwanghoon An, Heejung Yu
2017 J jnl
Optimal sensing performance for cooperative and non-cooperative cognitive radio networks.
Int. J. Distributed Sens. Networks
Waqas Khalid, Heejung Yu
2017 J jnl
Performance analysis of centralised and distributed scheduling schemes for mobile multihop relay systems.
IET Commun.
Taejoon Kim, Kwanghoon An, Heejung Yu
2016 J jnl
Efficient Resource Allocation for Proportional Fair Schedulers in Multihop Relay Networks.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Taejoon Kim, Byungkwan Kim, Heejung Yu
2016 J jnl
Energy-efficient resource allocation in multi-user AF two-way relay channels.
J. Commun. Networks
Seongjin Kim, Heejung Yu
2016 J jnl
Optimal primary pilot power allocation and secondary channel sensing in cognitive radios.
IET Commun.
Heejung Yu
2016 — conf
Secure communication with beamforming and jamming in time-varying channels.
ICUFN
Heejung Yu, Waqas Khalid
2015 J jnl
A Cluster-Based Cooperative Spectrum Sensing in Cognitive Radio Network Using Eigenvalue Detection Technique with Superposition Approach.
Int. J. Distributed Sens. Networks
Md. Sipon Miah, Heejung Yu, Tapan Kumar Godder, Md. Mahbubur Rahman
2015 J jnl
A Review on Interference Alignment in Multiuser Interference Channels.
Wirel. Pers. Commun.
Heejung Yu
2015 J jnl
An Analytical Approach to Opportunistic Transmission under Rayleigh Fading Channels.
Int. J. Distributed Sens. Networks
Yousaf Bin Zikria, Sung Won Kim, Heejung Yu, Seung Yeob Nam
2015 J jnl
Limited Feedback for Multicell Zero-Forcing Coordinated Beamforming in Time-Varying Channels.
IEEE Trans. Veh. Technol.
Haksoo Kim, Heejung Yu, Yong Hoon Lee
2014 J jnl
Beam Tracking for Interference Alignment in Time-Varying MIMO Interference Channels: A Conjugate-Gradient-Based Approach.
IEEE Trans. Veh. Technol.
Junse Lee, Heejung Yu, Youngchul Sung
2014 — conf
Comparison of MIMO schemes in IEEE 802.11ac under time-varying channels: analytical approach.
ICCE-Berlin
Heejung Yu, Heeyong Lee
2014 J jnl
Super-allocation and Cluster-based Cooperative Spectrum Sensing in Cognitive Radio Networks.
KSII Trans. Internet Inf. Syst.
Md. Sipon Miah, Heejung Yu, Md. Mahbubur Rahman
2013 J jnl
Cognitive Beamforming and Power Control in Time-Varying Channels: Design and Analysis.
IEICE Trans. Commun.
Heejung Yu, Eui-Rim Jeong
2013 J jnl
Optimal Channel Sensing for Heterogeneous Cognitive Networks: An Analytical Approach.
KSII Trans. Internet Inf. Syst.
Heejung Yu
2013 C conf
Optimal Channel Sensing in Cognitive Radio Network with Multiple Secondary Users.
GPC
Heejung Yu
2013 J jnl
Optimal channel sensing maximising sum rate in cognitive radio with multiple secondary links.
Trans. Emerg. Telecommun. Technol.
Heejung Yu
2012 J jnl
A Nonlinear Transceiver Architecture for Overloaded Multiuser MIMO Interference Channels.
IEEE Trans. Commun.
Youngseok Oh, Heejung Yu, Yong Hoon Lee, Youngchul Sung
2012 J jnl
An Efficient Algorithm for Zero-Forcing Coordinated Beamforming.
IEEE Commun. Lett.
Haksoo Kim, Heejung Yu, Youngchul Sung, Yong Hoon Lee
2012 J jnl
Beam Tracking for Interference Alignment in Slowly Fading MIMO Interference Channels: A Perturbations Approach Under a Linear Framework.
IEEE Trans. Signal Process.
Heejung Yu, Youngchul Sung, Haksoo Kim, Yong Hoon Lee
2012 — conf
Multi-user MIMO downlink beamforming based on perturbation theory of generalized eigenvector.
ISWCS
Heejung Yu, Jeong-Chul Shin, Sok-Kyu Lee
2011 Misc conf
Adaptive beam tracking for interference alignment in time-varying MIMO interference channels: Conjugate gradient approach.
ICASSP
Junse Lee, Heejung Yu, Youngchul Sung, Yong Hoon Lee
2011 — conf
Cognitive Beam Design and Transmit Power Control for Cognitive Radio Networks in Time-varying Channels.
EW
Heejung Yu, Sok-Kyu Lee
2010 Misc conf
Adaptive beam tracking for interference alignment for multiuser time-varying MIMO interference channels.
ICASSP
Heejung Yu, Youngchul Sung, Haksoo Kim, Yong Hoon Lee
2010 J jnl
Least squares approach to joint beam design for interference alignment in multiuser multi-input multi-output interference channels.
IEEE Trans. Signal Process.
Heejung Yu, Youngchul Sung
2009 — conf
Amplify-Forward Relays with Superimposed Pilot Signals for Frequency-Selective Fading Channels.
VTC Spring
Haksoo Kim, Sungho Choi, Heejung Yu, Youngchul Sung, Yong Hoon Lee
2009 J jnl
How Much Information can One Get from a Wireless Ad Hoc Sensor Network over a Correlated Random Field?
CoRR
Youngchul Sung, H. Vincent Poor, Heejung Yu
2009 J jnl
How much information can one get from a wireless ad hoc sensor network over a correlated random field?
IEEE Trans. Inf. Theory
Youngchul Sung, H. Vincent Poor, Heejung Yu
2008 J jnl
Information, Energy and Density for Ad Hoc Sensor Networks over Correlated Random Fields: Large Deviations Analysis
CoRR
Youngchul Sung, H. Vincent Poor, Heejung Yu
2008 B conf
Information, energy and density for Ad Hoc sensor networks over correlated random fields: Large deviations analysis.
ISIT
Youngchul Sung, Heejung Yu, H. Vincent Poor
2008 J jnl
Large Deviations Analysis for the Detection of 2D Hidden Gauss-Markov Random Fields Using Sensor Networks
CoRR
Youngchul Sung, H. Vincent Poor, Heejung Yu
2008 Misc conf
Large deviations analysis for the detection of 2D hidden Gauss-Markov random fields using sensor networks.
ICASSP
Youngchul Sung, H. Vincent Poor, Heejung Yu
2008 Misc conf
On optimal operating characteristics of sensing and training for cognitive radios.
ICASSP
Heejung Yu, Youngchul Sung, Yong Hoon Lee
2008 J jnl
Optimal Node Density for Two-Dimensional Sensor Arrays
CoRR
Youngchul Sung, H. Vincent Poor, Heejung Yu
2006 J jnl
Bandwidth Efficient MC-CDMA Transmission over Frequency Selective Fading Channel in 1xEV-DV System.
IEICE Trans. Commun.
Chanho Yoon, Jaekwon Kim, Heejung Yu, Sok-Kyu Lee, Joonhyuk Kang
2006 — conf
Design and FPGA implementation of MIMO-OFDM based WLAN Systems.
VTC Spring
Heejung Yu, Kyonghee Song, Kwhanghyun Ryu, Yunjoo Kim, Seungwook Min, Sok-Kyu Lee
2006 — conf
Design and Implementation of Robust Time/Frequency Offset Tracking Algorithm for MIMO-OFDM Receivers.
VTC Spring
Il-Gu Lee, Heejung Yu, Eunyoung Choi, Jungbo Son, Sok-Kyu Lee
2006 B conf
Next generation wireless LAN system design and implementation based on MIMO-OFDM.
WCNC
Heejung Yu, Kwhanghyun Ryu, Kyonghee Song, Yunjoo Kim, Seungwook Min, Sok-Kyu Lee
2005 J jnl
Design and prototype development of MIMO-OFDM for next generation wireless LAN.
IEEE Trans. Consumer Electron.
Heejung Yu, Myung-Soon Kim, Eunyoung Choi, Taehyun Jeon, Sok-Kyu Lee
2005 — conf
Design of dual-band MIMO-OFDM system for next generation wireless LAN.
ICC
Heejung Yu, Taehyun Jeon, Sok-Kyu Lee
2005 — conf
Efficient Pattern-Based Emulation for IEEE 802.11a Baseband.
IWSOC
Il-Gu Lee, Heejung Yu, Sok-Kyu Lee, Jin Lee, Sin-Chong Park
2004 B conf
Equalization scheme for OFDM systems in long delay spread channels.
PIMRC
Heejung Yu, Myung-Soon Kim, Taehyun Jeon, Sok-Kyu Lee
2003 B conf
Carrier frequency and timing offset tracking scheme for SC-FDE systems.
PIMRC
Heejung Yu, Myung-Soon Kim, Jae-Young Ahn