Joo Won Lee

Joo Won Lee

PhD Student, Sungkyunkwan University (SKKU), Korea

I am a PhD student in the Department of Electrical and Computer Engineering at Sungkyunkwan University, advised by Prof. Kae Won Choi. My research focuses on wireless communications and AI-RAN, particularly exploring deep learning approaches for channel estimation in 5G/6G systems.

Research Interests

Wireless Communications AI-RAN Channel Estimation Neural Networks 5G / 6G

Publications

2025

Parameter-Efficient Transfer Learning for DNN-based Channel Estimation: Adapter vs LoRA Comparison
Joo Won Lee, Kae Won Choi
ICTC 2025 — 16th International Conference on Information and Communication Technology Convergence
🏆 Best S6GC Paper Award DOI
Implementation of Adapter-Based Transfer Learning for Channel Estimation Using a Pretrained Transformer in Multi-Channel Environments
Joo Won Lee, Kae Won Choi
Proceedings of the Korean Institute of Communications and Information Sciences (KICS), 2025

Research Experience

Commissioned Research, ETRI (Electronics and Telecommunications Research Institute), Korea
ML model performance verification environment enhancement for intelligent wireless access systems
May — Nov 2025
Commissioned Research, ETRI (Electronics and Telecommunications Research Institute), Korea
ML model verification platform development for intelligent wireless access systems
Jul — Nov 2024

Awards

Best S6GC Paper Award
ICTC 2025 (IEEE / KICS), Jeju, Korea
Oct 2025

Scholarships

Brain Korea 21 (BK21)
Sustainable ICT Future Talent Education and Research Group, NRF
2024 — Present

Education

M.S./Ph.D. Integrated in Electrical and Computer Engineering
Sungkyunkwan University (SKKU), Suwon, Korea
2024 — Present
B.S. in Electrical and Electronics Engineering
Konkuk University, Seoul, Korea
2020 — 2024

Misc

Outside of research, I enjoy building and shipping software as a hobby. I run a small indie studio called Ramter Studio. Ramter Studio