Curriculum Vitae

Aug. 2017 — Sep. 2019

M.S. in Electrical Engineering

Korea Advanced Institute of Science and Technology (KAIST), School of Electrical Engineering , Daejeon, Republic of Korea

• Master's Thesis: Performance analysis of stable matching based resource unit scheduling and energy-efficient power allocation in dense WLAN (Advisor: Dong-ho Cho, School of Electrical Engineering, KAIST)

Mar. 2011 — Feb. 2015

B.S. in Computer & Communication Engineering (Valedictorian)

Korea University, College of Information and Communication (College of Informatics) , Seoul, Republic of Korea

Jul. 2021 — Present

Korea Electronics Technology Institute (KETI)

Smart Network Research Center, Seoul, Republic of Korea

Position: Senior Researcher

• Wireless communication system algorithm
• Big data processing and analysis
• Machine learning
• Embedded system

Aug. 2019 — Jun. 2021

Samsung Electroncis

Network Business, Suwon-si, Republic of Korea

Position: Engineer

• LTE/NR air algorithm development (CSI-RS, MIMO, RIM-RS)
• PHY/MAC resource scheduling

Mar. 2015 — Jun. 2017

ROK Army

Pocheon-si, Republic of Korea

Position: Lieutenant

• Wired/Wireless military network system management
• Information security

• J. Sung, W. Jeon, S. Cho, K. Kwon, and K. Park, "Performance analysis and improvement of deep reinforcement learning based hybrid beamforming design for multi-user systems," in Proc. 2024 IEEE 100th Veh. Technol. Conf. (VTC) Fall, 2024, pp. 1-6.
  
• J. Sung, K. Kwon, K. Park, and B. Song, "Multi-variate tabular data processing and visualization scheme for machine learning based analysis: A case study using Titanic dataset," J. Internet Comput. Serv., vol. 25, no. 4, pp. 121-130, Aug. 2024.
  DOI: 10.7472/jksii.2024.25.4.121
• J. Sung, K. Kwon, and B. Song, "Design of a recommendation system for improving deep neural network performance," J. Internet Comput. Serv., vol. 25, no. 1, pp. 49-56, Feb. 2024.
  DOI: 10.7472/jksii.2024.25.1.49
• J. Sung, S. Cho, W. Jeon, Y. Kim, K. Kwon, and D. Jeong, "Recirculating aquaculture system design and water treatment analysis based on CFD simulation," KSII Trans. Internet Inf. Syst., vol. 17, no. 11, pp. 3083-3098, Nov. 2023.
  DOI: 10.3837/tiis.2023.11.010
• J. Sung, W. Jeon, S. Cho, and K. Kwon, "A novel conditional handover scheme based on deep reinforcement learning for mmWave systems," in Proc. 2023 IEEE 34th Int. Symp. Pers. Indoor Mob. Radio Commun. (PIMRC), 2023, pp. 1-7.
  DOI: 10.1109/PIMRC56721.2023.10293873.
• J. Sung, S. Cho, D. Jeong, J. Kim, J. Park, K. Kwon, and Y. Ko, "TGC-based fish growth estimation model using gaussian process regression approach," J. Internet Comput. Serv., vol. 24, no. 1, pp. 61-69, Feb. 2023.
  DOI: 10.7472/jksii.2023.24.1.61
• J. Sung, S. Cho, W. Jeon, K. Park, and K. Kwon, "Performance analysis of AIS data collision avoidance based on the correlation calculation," in Proc. Korean Institute of Communications and Information Sciences (KICS) Fall Conference, 2022.
• J. Sung, S. Cho, W. Jeon, K. Park, S. Ahn, and K. Kwon, "MIMO-aided efficient communication resource scheduling scheme in VDES," KSII Trans. Internet Inf. Syst., vol. 16, no. 8, pp. 2736-2750, Aug. 2022.
  DOI: 10.3837/tiis.2022.08.015
• J, Sung, S. Cho, W. Jeon, Y. Kim, and K. Kwon, "Integrated system model of 5G and DVB-S2X for coverage extension of maritime communications," in Proc. 44th Korean Society for Internet Information (KSII), vol. 21, no.2, 2021, pp. 199-200.
• J. Sung, and D. Cho, "Efficient resource scheduling method based on stable matching in IEEE 802.11ax environments," in Proc. 29th Joint Conference on Communications and Information (JCCI), 2019, pp. 1-2.
• J. Sung, and D. Cho, "Optimal beamforming method for moving terminals," in Proc. Korean Institute of Communications and Information Sciences (KICS) Summer Conference, 2018, pp. 835-836.

• J. Sung, S. Cho, K. Kwon, W. Jeon, and K. Park, "Apparatus for reducing PAPR in SC-FDMA systems based on reinforcement learning," KR Patent 10-2022-0171000, filed Dec. 8, 2022.
• J. Sung, B. Song, Y. Kim, K. Kwon, and S. Cho, "System and method for AIS data collision avoidance," KR Patent 10-2021-0171402, filed Dec. 3, 2021.
• L. Sung, N. Kim, H. Lee, J. Sung, D. Cho, "Location estimation method and apparatus for IoT device based on beacon signal," KR Patent 10-2226690, filed Dec. 14, 2018, issued Mar. 5, 2021.

Feb. 2015

Graduation Highest Honor

Mar. 2013 — Feb. 2015

National Excellence Scholarship for Science and Engineering

Mar. 2012 — Feb. 2013

Korea Univ. Alumni Scholarship

• Machine Learning, Stanford University Online (Coursera)

Programming Skills

SW/Tools

Language

• Reinforcement learning
• Statistical data analysis
• System optimization
• Wireless communication