Publications

• J. Lee, et al. "UAV Swam for Covert Communications under Rician Fading" in preparation.
• J. Lee, et al. "Analysis of Physical Layer Authentication for UAV communications" in preparation.
• J. Lee, et al. "Multiuser Cooperation at Unequal Distances for Covert Communication" in preparation.

• J. Lee, H. Yeom, S. -H. Lee and J. Ha, "Channel Correlation in Multi-User Covert Communication: Friend or Foe?," in IEEE Transactions on Information Forensics and Security, vol. 19, pp. 1469-1482, 2024.
• J. Lee, D. T. Dinh, H. Yeom, S. -H. Lee and J. Ha, "Multiuser Cooperation for Covert Communication Under Quasi-Static Fading," in IEEE Transactions on Information Forensics and Security, vol. 18, pp. 4625-4639, 2023.
• J. Lee, S. Yun, I. -M. Kim and J. Ha, "Deep Neural Network-Based Precoder for Fairness Aware Secure NOMA Scheme," in IEEE Transactions on Vehicular Technology, vol. 71, no. 5, pp. 5615-5620, May 2022.

• H. Yeom, J. Lee, S. -H. Lee and J. Ha, "Covert Communication with Multi-Users Cooperation at Unequal Distances," in Proc. IEEE International Conference on Communications (ICC), Denver, CO, USA, 2024.
• J. Lee and J. Choi, "Comparison of One-shot and Handshaking Systems for MTC in 5G," in Proc. IEEE Vehicular Technology Conference (VTC Spring), Porto, Portugal, June 2018.
• J. Lee, K. Lee, and J. Choi, "Compressive Random access using Distance based Resource Block Selection Scheme for Machine Type Communications," in Proc. IEEE International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), Sapporo, Japan, July. 2017.

• J. Lee, S. Yun, and J. Ha, " Deep learning based Secure Beamforming Design for Secrecy Fairness of Non-orthogonal Multiple Access System," in Proc. Korean Institute of Communications and Information Sciences (KICS) conference, Korea, Jan. 2021.
• J. Lee, and J. Ha, " Neural Network based Secure Beamforming for NOMA with Channel Estimation Error", in Proc. Korean Institute of Communications and Information Sciences (KICS) conference, Korea, Aug. 2020.
• J. Lee, S. Yun, and J. Ha, " Neural network based secure beamforming design for NOMA", in Proc. Korean Institute of Communications and Information Sciences (KICS) conference, Korea, Feb. 2020.
• H. Yeom, J. Lee, J. Park, and J. Ha, " A study on the fairness of ergodic secrecy rate in uplink NOMA systems," in Proc. Korean Institute of Communications and Information Sciences (KICS) conference, Korea, June 2019.
• J. Lee, and J. Ha, "A Study on the Beamforming Design for Non-orthogonal Multiple Access System," in Proc. Korean Institute of Communications and Information Sciences (KICS) conference, Korea, June 2019.
• J. Lee, and J. Ha, "Analysis of Secrecy Outage Probability in Uplink Non-orthogonal Multiple Access," in Proc. Korean Institute of Communications and Information Sciences (KICS) conference, Korea, Jan. 2019.
• J. Lee, Y. Lee, and J. Choi, "Unique ID based on Time-Frequency Offset for Massive Connectivity in MTC," in Proc. Korean Institute of Communications and Information Sciences (KICS) conference, Korea, June 2018.
• J. Lee, and J. Choi, "Maximum Throughput of One-shot and Handshaking Systems According to Packet Size," in Proc. Joint Conference on Communications and Information (JCCI), Korea, May 2018.
• H. Noh, J. Lee, and J. Choi, "Performance Analysis of Information Recovery Using Spatial Correlated Source through NB-IoT," in Proc. Joint Conference on Communications and Information (JCCI), Korea, May 2018.
• J. Lee, K. Lee, H. Noh, and J. Choi, "Delay Analysis of NB-IoT," in Proc. Korean Institute of Communications and Information Sciences (KICS) conference, Korea, June 2017.
• K. Lee, J. Lee, N. Yu, and J. Choi, "A GPU Implementation of Compressive Sensing based Multiuser Channel Estimation", in Proc. Korean Institute of Communications and Information Sciences (KICS) conference, Korea, June 2016.

• "Cooperative Multi-User based Covert Communication System", Korea, Patent No. 1027342320000, Registration date: Nov. 2024.
• "TWO-STAGE DEEP LEARNING BASED SECURE PRECODER FOR INFORMATION AND ARTIFICIAL NOISE SIGNAL IN NONORTHOGONAL MULTIPLE ACCESS SYSTEM," US, Patent No. 17317633, Application date: May 2021.
• "METHOD AND SYSTEM FOR TRANSMITTING SECURE DATA USING POWER BACK-OFF," Korea, Patent No. 1022257500000, Registration date: Mar. 2021.