EDUCATION

Integrated Ph. D. in Electrical Engineering and Computer Science (EECS)

Mar. 2019 - Present, DGIST presidential fellowship (DPF) recipient

Daegu Gyengbuk Institute of Science and Technology (DGIST)

Supervisor:  Prof. Jemin Lee

B.E. in School of Undergraduate Studies, Summa Cum Laude

Mar. 2015 - Feb. 2019 

Daegu Gyengbuk Institute of Science and Technology (DGIST)

RESEARCH INTERESTS

• 5G communications

• Underwater wireless communications

• Internet of things (IoT) networks

• Generative Artificial intelligence (GAI) & Reinforcement learning (RL)

PUBLICATIONS

*: Corresponding author

International Journal Papers

• S. Yun, D. Kim, C. Park, and J. Lee*, "Learning-based sensing and computing decision for data in edge computing-enabled networks",
  IEEE Transactions on Wireless Communications, to appear. [arXiv] (Top 10% Journal in JCR)

• D. Yu, S. Yun, and J. Lee*, "Secure and efficient communications with fine-grained access control in underwater wireless sensor networks", ICT Express, to appear.

• S. Yun, D. Kim, S. Lee, and J. Lee*, "i-CU: intelligent cache replacement and content update for data freshness in cloud-edge networks", IEEE Transactions on Mobile Computing, submitted.

• D. Kim, S. Yun, S. Lee, J. Lee*, and T. Q. Quek,  "Reinforcement learning-based sensing decision for data freshness in blockchain-empowered wireless networks", IEEE Wireless Communications Letters, submitted. 

• D. Kim, S. Yun, S. Lee, J. Lee*, and D. Niyato,  "Intelligent transaction generation control for permissioned blockchain-based services", IEEE Transactions on Services Computing, submitted. 

• D. Kim, S. Yun, E. Park, and J. Lee*, "IA-MARL: imputation assisted multi-agent reinforcement for missing training data",
  IEEE Transactions on Knowledge and Data Engineering, submitted. 

International Conference Papers

• S. Yun, D. Kim, C. Park, and J. Lee*, "Joint sensing and computation decision for age of information-sensitive wireless networks: a deep reinforcement learning approach", in Proc. IEEE Glob. Commun. Conf. (GLOBECOM), Kuala Lumpur, Malaysia, Dec. 2023, pp. 1-6.

• S. Yun, D. Kim, and J. Lee*, "Learning-based activation of energy harvesting sensors for fresh data acquisition",
  in Proc. Int. Conf. on Web Engr. (ICWE) Workshop, Biarritz, France, May 2021, pp. 62-68.

Domestic Conference Papers

• 강보성, 윤신웅, 이제민*, "Intelligent-omni-surface (IOS) 기반 간섭을 고려한 다중 이용자 sum-rate 연구",
  2023년 한국통신학회 동계종합학술발표회 (KICS), Feb. 2023.

PROJECTS

•  Network technology development for ultra-freshness and integrity of information
  정보의 최신성과 무결성을 위한 통신 네트워크 기술 개발

  • Participant, NRF (연구재단), Mar. 2020 - Feb. 2025

• Development of dependable and highly usable big data platform, and analysis and prediction services technology in edge clouds
  엣지 클라우드에서 고신뢰 고사용성 빅데이터 플랫폼 및 분석 예측 서비스 기술 개발

  • Participant, IITP (정보통신기획평가원), Jul. 2020 - Feb. 2026

• 대규모 무선 센서 네트워크에서의 정보의 최신성을 위한 attention-based 강화학습 기반 통신 자원 할당 

  • Principal investigator (PI), IITP (정보통신기획평가원), Mar. 2023 - Dec. 2023

• InSeCT Research Laboratory
  지능형 보안 수중 통신 특화연구실

  • Participant,  Dec. 2022 - Dec. 2027

EXPERIENCES

Teaching Experience

• Undergraduate group research program (UGRP)

  • Reinforcement learning-based base station activation in wireless networks 

  • Teaching assistant, DGIST, Mar. 2019 - Dec. 2019

Extracurricular Activities

• ITRC 2022 forum (ITRC 인재양성대전 2022)

  • Intelligent traffic observation scheduling for data freshness

  • Exhibitor, Seoul, Korea, Apr. 2022

• Korea software congress 2022 - BECS workshop (2022 한국소프트웨어종합학술대회) 

  • 엣지 컴퓨팅 결합 네트워크에서의 정보 최신성을 위한 강화학습 기반 센싱 및 컴퓨팅 알고리즘

  • Presenter, Jeju Island, Korea, Dec. 2022

HONORS AND AWARDS

• 29th Humantech paper award (삼성휴먼테크논문대상) bronze prize, Samsung, Feb. 2023

• DGIST presidential fellowship (DPF) recipient, DGIST, 2019