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2020 – today
- 2024
[j90]Jimin Jeon, Junseung Lee, Taewook Kim, Jaeha Ahn
, Youngbin Yu, Min Lee, Heejung Yu, Howon Lee:
HyPE: Online Hybrid Pseudo-Bayesian Estimation Method for S-ALOHA-Based Tactical FANETs. IEEE Access 12: 79957-79966 (2024)- [j89]Jianbin Wu, Sami Ahmed Haider, Heejung Yu, Muhammad Irshad, Mukesh Soni, Mohit Kumar Bhadla, Yousaf Bin Zikria:
An intelligent IoT intrusion detection system using HeInit-WGAN and SSO-BNMCNN based multivariate feature analysis. Eng. Appl. Artif. Intell. 127(Part A): 107132 (2024) - [j88]Md. Roisul Ajom Ruku, Md. Ibrahim, A. S. M. Badrudduza, Imran Shafique Ansari, Waqas Khalid, Heejung Yu:
Effects of co-channel interference on RIS empowered wireless networks amid multiple eavesdropping attempts. ICT Express 10(3): 491-497 (2024) - [j87]Waqas Khalid, Muhammad Atif Ur Rehman, Trinh Van Chien, Zeeshan Kaleem, Howon Lee, Heejung Yu:
Reconfigurable Intelligent Surface for Physical Layer Security in 6G-IoT: Designs, Issues, and Advances. IEEE Internet Things J. 11(2): 3599-3613 (2024) - [j86]Thong Nhat Tran, Heejung Yu, Taejoon Kim:
Strategies for Optimizing Uplink Spectrum Efficiency in Cell-Free Massive MIMO Satellite-UAV Network. IEEE Internet Things J. 11(22): 37154-37169 (2024) - [j85]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:
Physical-Layer Security in Mixed UOWC-RF Networks With Energy Harvesting Relay Against Multiple Eavesdroppers. IEEE Open J. Commun. Soc. 5: 2884-2902 (2024) - [j84]Zeeshan Kaleem, Waqas Khalid, Ayaz Ahmad, Heejung Yu, Abdullah M. Almasoud, Chau Yuen:
Reinforcement Learning for Energy-Efficient User Association in UAV-Assisted Cellular Networks. IEEE Trans. Aerosp. Electron. Syst. 60(2): 2474-2481 (2024) - [j83]Trinh Van Chien, Lam-Thanh Tu, Waqas Khalid, Heejung Yu, Symeon Chatzinotas, Marco Di Renzo:
RIS-Assisted Wireless Communications: Long-Term Versus Short-Term Phase Shift Designs. IEEE Trans. Commun. 72(2): 1175-1190 (2024) - [c28]Waqas Khalid, Heejung Yu, Alexandros-Apostolos A. Boulogeorgos:
Outage Analysis for Active Reconfigurable Intelligent Surface-Enhanced Wireless Powered Communication Networks. ICAIIC 2024: 473-475 - [i17]Waqas Khalid, Manish Nair, Trinh Van Chien, Heejung Yu:
Impact of RIS on Outage Probability and Ergodic Rate in Wireless Powered Communication. CoRR abs/2401.01787 (2024) - [i16]Waqas Khalid, Heejung Yu, Alexandros-Apostolos A. Boulogeorgos:
Outage Analysis for Active Reconfigurable Intelligent Surface-Enhanced Wireless Powered Communication Networks. CoRR abs/2401.02083 (2024) - [i15]Waqas Khalid, Heejung Yu, Yazdan Ahmad Qadri:
Active Reconfigurable Intelligent Surface-Aided Terahertz Wireless Communications. CoRR abs/2407.18323 (2024) - [i14]Abrar Bin Sarawar, A. S. M. Badrudduza, Md. Ibrahim, Imran Shafique Ansari, Heejung Yu:
Secrecy Performance Analysis of Integrated RF-UWOC IoT Networks Enabled by UAV and Underwater-RIS. CoRR abs/2407.18766 (2024) - [i13]Md. Abdur Rakib, Md. Ibrahim, A. S. M. Badrudduza, Imran Shafique Ansari, Md. Shahid Uz Zaman, Heejung Yu:
RIS-Aided Free-Space Optics Communications in A2G Networks over Inverted Gamma-Gamma Turbulent Channels. CoRR abs/2408.06288 (2024) - [i12]Waqas Khalid, Heejung Yu, Farman Ali, Huiping Huang:
Active RIS-Aided Terahertz Communications with Phase Error and Beam Misalignment. CoRR abs/2409.09713 (2024) - [i11]Waqas Khalid, Alexandros-Apostolos A. Boulogeorgos, Trinh Van Chien, Junse Lee, Howon Lee, Heejung Yu:
Optimal Operation of Active RIS-Aided Wireless Powered Communications in IoT Networks. CoRR abs/2409.09719 (2024) - 2023
- [j82]Sharoon Saleem, Fawad Hussain, Waqar Amin, Rehan Ahmed, Yousaf Bin Zikria, Farruh Ishmanov, Heejung Yu:
A Survey on Dynamic Application Mapping Approaches for Real-Time Network-on-Chip-Based Platforms. IEEE Access 11: 122694-122721 (2023) - [j81]Md. Mijanur Rahman, A. S. M. Badrudduza, Noor Ahmad Sarker, Md. Ibrahim, Imran Shafique Ansari, Heejung Yu:
RIS-Aided Mixed RF-FSO Wireless Networks: Secrecy Performance Analysis With Simultaneous Eavesdropping. IEEE Access 11: 126507-126523 (2023) - [j80]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:
Enabling technologies for AI empowered 6G massive radio access networks. ICT Express 9(3): 341-355 (2023) - [j79]P. Karthik, P. Shanthi Bala, Akashdeep Bhardwaj, Salil Bharany, Heejung Yu, Yousaf Bin Zikria:
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. 35(1): 310-323 (2023) - [j78]Waqar Amin, Fawad Hussain, Sheraz Anjum, Sharoon Saleem, Naveed Khan Baloch, Yousaf Bin Zikria, Heejung Yu:
Efficient application mapping approach based on grey wolf optimization for network on chip. J. Netw. Comput. Appl. 219: 103729 (2023) - [j77]Waqas Khalid, Zeeshan Kaleem, Rehmat Ullah, Trinh Van Chien, Song Noh, Heejung Yu:
Simultaneous Transmitting and Reflecting-Reconfigurable Intelligent Surface in 6G: Design Guidelines and Future Perspectives. IEEE Netw. 37(5): 173-181 (2023) - [j76]Song Noh, Kyungsik Seo, Youngchul Sung, David J. Love, Junse Lee, Heejung Yu:
Joint Direct and Indirect Channel Estimation for RIS-Assisted Millimeter-Wave Systems Based on Array Signal Processing. IEEE Trans. Wirel. Commun. 22(11): 8378-8391 (2023) - [j75]Jingon Joung, Heejung Yu, Tony Q. S. Quek:
Integrated single target sensing and multiuser communications based on zero-forcing beamforming. Veh. Commun. 43: 100637 (2023) - [j74]Dong-Hyun Jung, Gyeongrae Im, Joon-Gyu Ryu, Seungkeun Park, Heejung Yu, Junil Choi:
Satellite Clustering for Non-Terrestrial Networks: Concept, Architectures, and Applications. IEEE Veh. Technol. Mag. 18(3): 29-37 (2023) - [c27]Ji Min Park, Howon Lee, Heejung Yu:
Optimal Power and Position Control for UAV-assisted JCR Networks: Multi-Agent Q-Learning Approach. CCNC 2023: 700-701 - [c26]Waqas Khalid, Muhammad Atif Ur Rehman, Trinh Van Chien, Heejung Yu:
Simultaneously Transmitting and Reflecting-Reconfigurable Intelligent Surfaces with Hardware Impairment and Phase Error. ICAIIC 2023: 654-656 - [c25]Waqas Khalid, Manish Nair, Trinh Van Chien, Heejung Yu:
Impact of RIS on Outage Probability and Ergodic Rate in Wireless Powered Communication. ICTC 2023: 1590-1592 - [i10]Dong-Hyun Jung, Gyeongrae Im, Joon-Gyu Ryu, Seungkeun Park, Heejung Yu, Junil Choi:
Satellite Clustering for Non-Terrestrial Networks: Concept, Architectures, and Applications. CoRR abs/2301.08386 (2023) - [i9]Trinh Van Chien, Lam-Thanh Tu, Waqas Khalid, Heejung Yu, Symeon Chatzinotas, Marco Di Renzo:
RIS-Assisted Wireless Communications: Long-Term versus Short-Term Phase Shift Designs. CoRR abs/2309.03436 (2023) - [i8]Waqas Khalid, Muhammad Atif Ur Rehman, Trinh Van Chien, Zeeshan Kaleem, Howon Lee, Heejung Yu:
Reconfigurable Intelligent Surface for Physical Layer Security in 6G-IoT: Designs, Issues, and Advances. CoRR abs/2311.08112 (2023) - [i7]JungSook Bae, Waqas Khalid, Anseok Lee, Heesoo Lee, Song Noh, Heejung Yu:
Overview of RIS-Enabled Secure Transmission in 6G Wireless Networks. CoRR abs/2312.02728 (2023) - 2022
- [j73]Chi-Bao Le, Dinh-Thuan Do, Adão Silva, Wali Ullah Khan, Waqas Khalid, Heejung Yu, Nhan Duc Nguyen:
Joint Design of Improved Spectrum and Energy Efficiency With Backscatter NOMA for IoT. IEEE Access 10: 7504-7519 (2022) - [j72]Waqas Khalid, Heejung Yu, Juphil Cho, Zeeshan Kaleem, Shabir Ahmad:
Rate-Energy Tradeoff Analysis in RIS-SWIPT Systems With Hardware Impairments and Phase-Based Amplitude Response. IEEE Access 10: 31821-31835 (2022) - [j71]Ji Min Park, Juphil Cho, Song Noh, Heejung Yu:
Optimal Pilot and Data Power Allocation for Joint Communication-Radar Air-to-Ground Networks. IEEE Access 10: 52336-52342 (2022) - [j70]Song Noh, Jiho Song, Junse Lee, Heejung Yu:
High-Resolution and Low-Complexity Direction of Arrival Estimation for Hybrid Array of Subarrays. IEEE Access 10: 54922-54935 (2022) - [j69]Jaehong Kim, Heejung Yu, Xin Kang, Jingon Joung:
Discrete Phase Shifts of Intelligent Reflecting Surface Systems Considering Network Overhead. Entropy 24(12): 1753 (2022) - [j68]Seungmin Lee, Heejung Yu, Howon Lee:
Multiagent Q-Learning-Based Multi-UAV Wireless Networks for Maximizing Energy Efficiency: Deployment and Power Control Strategy Design. IEEE Internet Things J. 9(9): 6434-6442 (2022) - [j67]Suhyeon Lim, Heejung Yu, Howon Lee:
Optimal Tethered-UAV Deployment in A2G Communication Networks: Multi-Agent Q-Learning Approach. IEEE Internet Things J. 9(19): 18539-18549 (2022) - [j66]Farrukh Mehmood, Naveed Khan Baloch, Fawad Hussain, Waqar Amin, M. Shamim Hossain, Yousaf Bin Zikria, Heejung Yu:
An efficient and cost effective application mapping for network-on-chip using Andean condor algorithm. J. Netw. Comput. Appl. 200: 103319 (2022) - [j65]Song Noh, Jaekoo Lee, Heejung Yu, Jiho Song:
Design of Channel Estimation for Hybrid Beamforming Millimeter-Wave Systems in the Presence of Beam Squint. IEEE Syst. J. 16(2): 2834-2843 (2022) - [j64]Song Noh, Heejung Yu, Youngchul Sung:
Training Signal Design for Sparse Channel Estimation in Intelligent Reflecting Surface-Assisted Millimeter-Wave Communication. IEEE Trans. Wirel. Commun. 21(4): 2399-2413 (2022) - [j63]Song Noh, Junse Lee, Gilwon Lee, Kyungsik Seo, Youngchul Sung, Heejung Yu:
Channel Estimation Techniques for RIS-Assisted Communication: Millimeter-Wave and Sub-THz Systems. IEEE Veh. Technol. Mag. 17(2): 64-73 (2022) - [c24]Waqas Khalid, Md. Shahjalal, Heejung Yu:
Outage Performance Analysis of Hybrid Relay-Reconfigurable Intelligent Surface Networks. APCC 2022: 253-254 - [i6]Waqas Khalid, Zeeshan Kaleem, Rehmat Ullah, Trinh Van Chien, Song Noh, Heejung Yu:
Simultaneous Transmitting and Reflecting-Reconfigurable Intelligent Surface in 6G: Design Guidelines and Future Perspectives. CoRR abs/2212.01097 (2022) - 2021
- [j62]Waqas Khalid, Heejung Yu:
Security Improvement With QoS Provisioning Using Service Priority and Power Allocation for NOMA-IoT Networks. IEEE Access 9: 9937-9948 (2021) - [j61]A. S. M. Badrudduza, Md. Ibrahim, S. M. Riazul Islam, Md. Shakhawat Hossen, Milton Kumar Kundu, Imran Shafique Ansari, Heejung Yu:
Security at the Physical Layer Over GG Fading and mEGG Turbulence Induced RF-UOWC Mixed System. IEEE Access 9: 18123-18136 (2021) - [j60]Waqas Khalid, Heejung Yu, Dinh-Thuan Do, Zeeshan Kaleem, Song Noh:
RIS-Aided Physical Layer Security With Full-Duplex Jamming in Underlay D2D Networks. IEEE Access 9: 99667-99679 (2021) - [j59]Muhammad Junaid Mohiz, Naveed Khan Baloch, Fawad Hussain, Sharoon Saleem, Yousaf Bin Zikria, Heejung Yu:
Application Mapping Using Cuckoo Search Optimization With Lévy Flight for NoC-Based System. IEEE Access 9: 141778-141789 (2021) - [j58]S. M. Saumik Shahriyer, A. S. M. Badrudduza, Sarjana Shabab, Milton Kumar Kundu, Heejung Yu:
Opportunistic Relay in Multicast Channels With Generalized Shadowed Fading Effects: A Physical Layer Security Perspective. IEEE Access 9: 155726-155739 (2021) - [j57]Faisal Azam, Akash Rizvi, Wazir Zada Khan, Mohammed Y. Aalsalem, Heejung Yu, Yousaf Bin Zikria:
Aircraft Classification Based on PCA and Feature Fusion Techniques in Convolutional Neural Network. IEEE Access 9: 161683-161694 (2021) - [j56]Il-Gu Lee, Duk-Bai Kim, Jeongki Choi, Hyungu Park, Sok-Kyu Lee, Juphil Cho, Heejung Yu:
WiFi HaLow for Long-Range and Low-Power Internet of Things: System on Chip Development and Performance Evaluation. IEEE Commun. Mag. 59(7): 101-107 (2021) - [j55]Heejung Yu, Jingon Joung:
Secure IoT Communications Using HARQ-Based Beamforming for MISOSE Channels. IEEE Internet Things J. 8(23): 17211-17226 (2021) - [j54]Waqas Khalid, Heejung Yu, Rashid Ali, Rehmat Ullah:
Advanced Physical-Layer Technologies for Beyond 5G Wireless Communication Networks. Sensors 21(9): 3197 (2021) - [j53]Saleha Sikandar, Naveed Khan Baloch, Fawad Hussain, Waqar Amin, Yousaf Bin Zikria, Heejung Yu:
An Optimized Nature-Inspired Metaheuristic Algorithm for Application Mapping in 2D-NoC. Sensors 21(15): 5102 (2021) - [j52]Heejung Yu, Jingon Joung:
Frame Structure Design for Vehicular-to-Roadside Unit Communications Using Space-Time Line Code Under Time-Varying Channels. IEEE Syst. J. 15(2): 3150-3153 (2021) - [j51]Jingon Joung, Heejung Yu, Jian Zhao:
Bandwidth Design for Energy-Efficient Unmanned Aerial Vehicle Using Space-Time Line Code. IEEE Syst. J. 15(2): 3154-3157 (2021) - [j50]Heejung Yu, Jingon Joung:
Design of the Power and Dimension of Artificial Noise for Secure Communication Systems. IEEE Trans. Commun. 69(6): 4001-4010 (2021) - [j49]Heejung Yu, Jingon Joung:
Optimization of Frame Structure and Fronthaul Compression for Uplink C-RAN Under Time-Varying Channels. IEEE Trans. Wirel. Commun. 20(2): 1278-1292 (2021) - [c23]Song Noh, Heejung Yu, Youngchul Sung:
Training Signal Design for Sparse Channel Estimation in Millimeter-Wave Communication with Intelligent Reflecting Surfaces. ICC Workshops 2021: 1-6 - [c22]Waqas Khalid, Heejung Yu:
On the Impact of Transceiver Impairments and Reflecting Elements for RIS-Aided Communications. ICTC 2021: 899-901 - 2020
- [j48]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:
Secrecy Performance Analysis of Mixed Hyper-Gamma and Gamma-Gamma Cooperative Relaying System. IEEE Access 8: 131273-131285 (2020) - [j47]Heejung Yu, Taejoon Kim:
Optimization of uplink rate and fronthaul compression in cloud radio access networks. Future Gener. Comput. Syst. 102: 465-471 (2020) - [j46]Heejung Yu, Il-Gu Lee:
Physical layer security based on NOMA and AJ for MISOSE channels with an untrusted relay. Future Gener. Comput. Syst. 102: 611-618 (2020) - [j45]Heejung Yu, Muhammad Khalil Afzal, Yousaf Bin Zikria, Abderrezak Rachedi, Frank H. P. Fitzek:
Tactile Internet: Technologies, test platforms, trials, and applications. Future Gener. Comput. Syst. 106: 685-688 (2020) - [j44]Byounghak Kim, Heejung Yu, Song Noh:
Cognitive Interference Cancellation with Digital Channelizer for Satellite Communication. Sensors 20(2): 355 (2020) - [j43]Md. Sipon Miah, Kazi Mowdud Ahmed, Md. Khairul Islam, Md. Ashek Raihan Mahmud, Md. Mahbubur Rahman, Heejung Yu:
Enhanced Sensing and Sum-Rate Analysis in a Cognitive Radio-Based Internet of Things. Sensors 20(9): 2525 (2020) - [j42]Waqas Khalid, Heejung Yu, Song Noh:
Residual Energy Analysis in Cognitive Radios with Energy Harvesting UAV under Reliability and Secrecy Constraints. Sensors 20(10): 2998 (2020) - [j41]Muhammad Sohail, Rashid Ali, Muhammad Kashif, Sher Ali, Sumet Mehta, Yousaf Bin Zikria, Heejung Yu:
TrustWalker: An Efficient Trust Assessment in Vehicular Internet of Things (VIoT) with Security Consideration. Sensors 20(14): 3945 (2020) - [j40]Heejung Yu, Yousaf Bin Zikria:
Cognitive Radio Networks for Internet of Things and Wireless Sensor Networks. Sensors 20(18): 5288 (2020) - [j39]Muhammad Rashid, Naveed Khan Baloch, Muhammad Akmal Shafique, Fawad Hussain, Shahroon Saleem, Yousaf Bin Zikria, Heejung Yu:
Fault-Tolerant Network-On-Chip Router Architecture Design for Heterogeneous Computing Systems in the Context of Internet of Things. Sensors 20(18): 5355 (2020) - [j38]Misbah Farooq, Fawad Hussain, Naveed Khan Baloch, Fawad Riasat Raja, Heejung Yu, Yousaf Bin Zikria:
Impact of Feature Selection Algorithm on Speech Emotion Recognition Using Deep Convolutional Neural Network. Sensors 20(21): 6008 (2020) - [j37]Md. Shahriar Kamal, Md. Fazlul Kader, S. M. Riazul Islam, Heejung Yu:
Device-to-Device Aided Cooperative Relaying Scheme Exploiting Spatial Modulation: An Interference Free Strategy. Sensors 20(24): 7048 (2020) - [j36]Heejung Yu, Howon Lee:
Joint Optimization of Power and Fronthaul Compression for Data and Pilot Signals in Uplink C-RANs. IEEE Syst. J. 14(4): 4990-5001 (2020) - [i5]Song Noh, Heejung Yu, Youngchul Sung:
Training Signal Design for Sparse Channel Estimation in Intelligent Reflecting Surface-Assisted Millimeter-Wave Communication. CoRR abs/2012.14221 (2020)
2010 – 2019
- 2019
- [j35]Waqas Khalid, Heejung Yu:
Spatial-Temporal Sensing and Utilization in Full Duplex Spectrum-Heterogeneous Cognitive Radio Networks for the Internet of Things. Sensors 19(6): 1441 (2019) - [j34]Youngseok Oh, Sungmin Cho, Heejung Yu:
Wireless Backhaul Based on IEEE 802.11ac With Smart Beamforming. IEEE Syst. J. 13(3): 2354-2362 (2019) - [j33]Heejung Yu, Taejoon Kim:
Training and Data Structures for AN-Aided Secure Communication. IEEE Syst. J. 13(3): 2869-2872 (2019) - [c21]Waqas Khalid, Heejung Yu:
Sensing and Utilization of Spectrum with Cooperation Interference for Full-Duplex Cognitive Radio Networks. ICUFN 2019: 598-600 - 2018
- [j32]Arslan Musaddiq, Yousaf Bin Zikria, Oliver Hahm, Heejung Yu, Ali Kashif Bashir, Sung Won Kim:
A Survey on Resource Management in IoT Operating Systems. IEEE Access 6: 8459-8482 (2018) - [j31]Yousaf Bin Zikria, Muhammad Khalil Afzal, Farruh Ishmanov, Sung Won Kim, Heejung Yu:
A survey on routing protocols supported by the Contiki Internet of things operating system. Future Gener. Comput. Syst. 82: 200-219 (2018) - [j30]Yousaf Bin Zikria, Heejung Yu, Muhammad Khalil Afzal, Mubashir Husain Rehmani, Oliver Hahm:
Internet of Things (IoT): Operating System, Applications and Protocols Design, and Validation Techniques. Future Gener. Comput. Syst. 88: 699-706 (2018) - [j29]Taejoon Kim, Heejung Yu:
Resource planning and backhaul-link optimisation for relay networks. IET Commun. 12(17): 2076-2086 (2018) - [j28]Muhammad Shafiq, Maqbool Ahmad, Azeem Irshad, Moneeb Gohar, Muhammad Usman, Muhammad Khalil Afzal, Jin-Ghoo Choi, Heejung Yu:
Multiple Access Control for Cognitive Radio-Based IEEE 802.11ah Networks. Sensors 18(7): 2043 (2018) - [j27]Yousaf Bin Zikria, Farruh Ishmanov, Muhammad Khalil Afzal, Sung Won Kim, Seung Yeob Nam, Heejung Yu:
Opportunistic channel selection MAC protocol for cognitive radio ad hoc sensor networks in the internet of things. Sustain. Comput. Informatics Syst. 18: 112-120 (2018) - [j26]Seongjin Kim, Heejung Yu:
Energy-Efficient HARQ-IR for Massive MIMO Systems. IEEE Trans. Commun. 66(9): 3892-3901 (2018) - [j25]Heejung Yu, Taejoon Kim, Hamid Jafarkhani:
Wireless Secure Communication With Beamforming and Jamming in Time-Varying Wiretap Channels. IEEE Trans. Inf. Forensics Secur. 13(8): 2087-2100 (2018) - [c20]Sooyeob Jung, Joon-Gyu Ryu, Deock-Gil Oh, Heejung Yu:
Low-Complexity Nonlinearity Post Compensator for Shared Band Transmission in Satellite Communication. ISWCS 2018: 1-6 - 2017
- [j24]Taejoon Kim, Kwanghoon An, Heejung Yu:
Performance analysis of centralised and distributed scheduling schemes for mobile multihop relay systems. IET Commun. 11(1): 69-75 (2017) - [j23]Waqas Khalid, Heejung Yu:
Optimal sensing performance for cooperative and non-cooperative cognitive radio networks. Int. J. Distributed Sens. Networks 13(11) (2017) - [j22]Taejoon Kim, Kwanghoon An, Heejung Yu:
Optimal Resource Planning with Interference Coordination for Relay-Based Cellular Networks. KSII Trans. Internet Inf. Syst. 11(11): 5264-5281 (2017) - [j21]Sungmin Cho, Youngseok Oh, Heejung Yu, Woongsup Lee:
A New Cellular Network Structure Deploying Shared Relays with Sectorization. Wirel. Pers. Commun. 94(4): 2987-2999 (2017) - [j20]Seongjin Kim, Heejung Yu:
Energy- and Spectral-Efficiency Trade-Off in OFDMA Downlink Channels. Wirel. Pers. Commun. 96(4): 6355-6367 (2017) - [c19]Waqas Khalid, Heejung Yu, Yousaf Bin Zikria:
Improvement of spectrum utilization with retransmission in cognitive radio networks: Analytical approach. ICUMT 2017: 352-357 - 2016
- [j19]Taejoon Kim, Byungkwan Kim, Heejung Yu:
Efficient Resource Allocation for Proportional Fair Schedulers in Multihop Relay Networks. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 99-A(9): 1750-1752 (2016) - [j18]Heejung Yu:
Optimal primary pilot power allocation and secondary channel sensing in cognitive radios. IET Commun. 10(5): 487-494 (2016) - [j17]Seongjin Kim, Heejung Yu:
Energy-efficient resource allocation in multi-user AF two-way relay channels. J. Commun. Networks 18(4): 629-638 (2016) - [c18]Heejung Yu, Waqas Khalid:
Secure communication with beamforming and jamming in time-varying channels. ICUFN 2016: 218-221 - 2015
- [j16]Md. Sipon Miah, Heejung Yu, Tapan Kumar Godder, Md. Mahbubur Rahman:
A Cluster-Based Cooperative Spectrum Sensing in Cognitive Radio Network Using Eigenvalue Detection Technique with Superposition Approach. Int. J. Distributed Sens. Networks 11: 207935:1-207935:11 (2015) - [j15]Yousaf Bin Zikria, Sung Won Kim, Heejung Yu, Seung Yeob Nam:
An Analytical Approach to Opportunistic Transmission under Rayleigh Fading Channels. Int. J. Distributed Sens. Networks 11: 725198:1-725198:8 (2015) - [j14]Haksoo Kim, Heejung Yu, Yong Hoon Lee:
Limited Feedback for Multicell Zero-Forcing Coordinated Beamforming in Time-Varying Channels. IEEE Trans. Veh. Technol. 64(6): 2349-2360 (2015) - [j13]Heejung Yu:
A Review on Interference Alignment in Multiuser Interference Channels. Wirel. Pers. Commun. 83(3): 1751-1764 (2015) - 2014
- [j12]Md. Sipon Miah, Heejung Yu, Md. Mahbubur Rahman:
Super-allocation and Cluster-based Cooperative Spectrum Sensing in Cognitive Radio Networks. KSII Trans. Internet Inf. Syst. 8(10): 3302-3320 (2014) - [j11]Junse Lee, Heejung Yu, Youngchul Sung:
Beam Tracking for Interference Alignment in Time-Varying MIMO Interference Channels: A Conjugate-Gradient-Based Approach. IEEE Trans. Veh. Technol. 63(2): 958-964 (2014) - [c17]Heejung Yu, Heeyong Lee:
Comparison of MIMO schemes in IEEE 802.11ac under time-varying channels: analytical approach. ICCE-Berlin 2014: 460-461 - 2013
- [j10]Heejung Yu:
Optimal channel sensing maximising sum rate in cognitive radio with multiple secondary links. Trans. Emerg. Telecommun. Technol. 24(7-8): 777-784 (2013) - [j9]Heejung Yu, Eui-Rim Jeong:
Cognitive Beamforming and Power Control in Time-Varying Channels: Design and Analysis. IEICE Trans. Commun. 96-B(6): 1616-1624 (2013) - [j8]Heejung Yu:
Optimal Channel Sensing for Heterogeneous Cognitive Networks: An Analytical Approach. KSII Trans. Internet Inf. Syst. 7(12): 2987-3002 (2013) - [c16]Heejung Yu:
Optimal Channel Sensing in Cognitive Radio Network with Multiple Secondary Users. GPC 2013: 838-845 - 2012
- [j7]Haksoo Kim, Heejung Yu, Youngchul Sung, Yong Hoon Lee:
An Efficient Algorithm for Zero-Forcing Coordinated Beamforming. IEEE Commun. Lett. 16(7): 994-997 (2012) - [j6]Youngseok Oh, Heejung Yu, Yong Hoon Lee, Youngchul Sung:
A Nonlinear Transceiver Architecture for Overloaded Multiuser MIMO Interference Channels. IEEE Trans. Commun. 60(4): 946-951 (2012) - [j5]Heejung Yu, Youngchul Sung, Haksoo Kim, Yong Hoon Lee:
Beam Tracking for Interference Alignment in Slowly Fading MIMO Interference Channels: A Perturbations Approach Under a Linear Framework. IEEE Trans. Signal Process. 60(4): 1910-1926 (2012) - [c15]Heejung Yu, Jeong-Chul Shin, Sok-Kyu Lee:
Multi-user MIMO downlink beamforming based on perturbation theory of generalized eigenvector. ISWCS 2012: 141-145 - 2011
- [c14]Heejung Yu, Sok-Kyu Lee:
Cognitive Beam Design and Transmit Power Control for Cognitive Radio Networks in Time-varying Channels. EW 2011 - [c13]Junse Lee, Heejung Yu, Youngchul Sung, Yong Hoon Lee:
Adaptive beam tracking for interference alignment in time-varying MIMO interference channels: Conjugate gradient approach. ICASSP 2011: 3364-3367 - 2010
- [j4]Heejung Yu, Youngchul Sung:
Least squares approach to joint beam design for interference alignment in multiuser multi-input multi-output interference channels. IEEE Trans. Signal Process. 58(9): 4960-4966 (2010) - [c12]Heejung Yu, Youngchul Sung, Haksoo Kim, Yong Hoon Lee:
Adaptive beam tracking for interference alignment for multiuser time-varying MIMO interference channels. ICASSP 2010: 3086-3089
2000 – 2009
- 2009
- [j3]Youngchul Sung, H. Vincent Poor, Heejung Yu:
How much information can one get from a wireless ad hoc sensor network over a correlated random field? IEEE Trans. Inf. Theory 55(6): 2827-2847 (2009) - [c11]Haksoo Kim, Sungho Choi, Heejung Yu, Youngchul Sung, Yong Hoon Lee:
Amplify-Forward Relays with Superimposed Pilot Signals for Frequency-Selective Fading Channels. VTC Spring 2009 - [i4]Youngchul Sung, H. Vincent Poor, Heejung Yu:
How Much Information can One Get from a Wireless Ad Hoc Sensor Network over a Correlated Random Field? CoRR abs/0903.1496 (2009) - 2008
- [c10]Heejung Yu, Youngchul Sung, Yong Hoon Lee:
On optimal operating characteristics of sensing and training for cognitive radios. ICASSP 2008: 2785-2788 - [c9]Youngchul Sung, H. Vincent Poor, Heejung Yu:
Large deviations analysis for the detection of 2D hidden Gauss-Markov random fields using sensor networks. ICASSP 2008: 3893-3896 - [c8]Youngchul Sung, Heejung Yu, H. Vincent Poor:
Information, energy and density for Ad Hoc sensor networks over correlated random fields: Large deviations analysis. ISIT 2008: 1592-1596 - [i3]Youngchul Sung, H. Vincent Poor, Heejung Yu:
Large Deviations Analysis for the Detection of 2D Hidden Gauss-Markov Random Fields Using Sensor Networks. CoRR abs/0801.3073 (2008) - [i2]Youngchul Sung, H. Vincent Poor, Heejung Yu:
Information, Energy and Density for Ad Hoc Sensor Networks over Correlated Random Fields: Large Deviations Analysis. CoRR abs/0805.0184 (2008) - [i1]Youngchul Sung, H. Vincent Poor, Heejung Yu:
Optimal Node Density for Two-Dimensional Sensor Arrays. CoRR abs/0805.1262 (2008) - 2006
- [j2]Chanho Yoon, Jaekwon Kim, Heejung Yu, Sok-Kyu Lee, Joonhyuk Kang:
Bandwidth Efficient MC-CDMA Transmission over Frequency Selective Fading Channel in 1xEV-DV System. IEICE Trans. Commun. 89-B(4): 1451-1454 (2006) - [c7]Il-Gu Lee, Heejung Yu, Eunyoung Choi, Jungbo Son, Sok-Kyu Lee:
Design and Implementation of Robust Time/Frequency Offset Tracking Algorithm for MIMO-OFDM Receivers. VTC Spring 2006: 1191-1195 - [c6]Heejung Yu, Kyonghee Song, Kwhanghyun Ryu, Yunjoo Kim, Seungwook Min, Sok-Kyu Lee:
Design and FPGA implementation of MIMO-OFDM based WLAN Systems. VTC Spring 2006: 1333-1338 - [c5]Heejung Yu, Kwhanghyun Ryu, Kyonghee Song, Yunjoo Kim, Seungwook Min, Sok-Kyu Lee:
Next generation wireless LAN system design and implementation based on MIMO-OFDM. WCNC 2006: 952-957 - 2005
- [j1]Heejung Yu, Myung-Soon Kim, Eunyoung Choi, Taehyun Jeon, Sok-Kyu Lee:
Design and prototype development of MIMO-OFDM for next generation wireless LAN. IEEE Trans. Consumer Electron. 51(4): 1134-1142 (2005) - [c4]Heejung Yu, Taehyun Jeon, Sok-Kyu Lee:
Design of dual-band MIMO-OFDM system for next generation wireless LAN. ICC 2005: 2640-2644 - [c3]Il-Gu Lee, Heejung Yu, Sok-Kyu Lee, Jin Lee, Sin-Chong Park:
Efficient Pattern-Based Emulation for IEEE 802.11a Baseband. IWSOC 2005: 239-242 - 2004
- [c2]Heejung Yu, Myung-Soon Kim, Taehyun Jeon, Sok-Kyu Lee:
Equalization scheme for OFDM systems in long delay spread channels. PIMRC 2004: 1297-1301 - 2003
- [c1]Heejung Yu, Myung-Soon Kim, Jae-Young Ahn:
Carrier frequency and timing offset tracking scheme for SC-FDE systems. PIMRC 2003: 1-5
Coauthor Index
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