Career & Service

Academic, industrial, and public-research experience, together with invited talks and professional service.

AcademiaIndustryPublic Research

Professional Experience

Sejong University
Mar. 2025–Present
Assistant Professor, Department of Artificial Intelligence and Information Technology, Seoul, Korea
  • IEEE 802.11 Wi-Fi systems
  • Mobility and positioning
  • Digital Twin systems
Korea Railroad Research Institute
Oct. 2022–Feb. 2025
Senior Researcher, Train Control and Communication Lab., Uiwang, Korea
  • Private-5G railway communication technology and cellular systems for railways
  • Train positioning systems and autonomous train control
  • Mission-critical railway communication applications
Samsung Electronics
Nov. 2017–Oct. 2022
Staff Engineer, Connectivity Development Team, Hwaseong, Korea
  • Wi-Fi system engineer
  • Wi-Fi SoC firmware development and verification
  • IEEE 802.11 MAC standard delegate, including participation in the IEEE 802.11be task group
Seoul National University
Sep. 2017–Oct. 2017
Postdoctoral Research Scholar, Institute of New Media and Communications, Seoul, Korea

Invited Talks

2026.08.26
“ISAC 기술의 이해와 철도 적용 가능성”, 제5회 철도운영기관 통신분야 기술협의회, 주관: 한국철도기술연구원, 서울역 그랜드센트럴.
관련 기사: 철도통신도 5G 넘어 6G로…철도연·운영기관 기술협력 강화
2024.12.30
“Understanding Wireless Communication and Its Applications: Focusing on Wi-Fi and UWB Technologies”, Korean Government Scholarship Program for Overseas Government Railway Staff, Woosong University.
2024.01.04
“Understanding Wi-Fi Technology and Its Applications on Railway Systems”, Korean Government Scholarship Program for Overseas Government Railway Staff, Woosong University.

Advisory and Committee Service

KORAIL Business Development Committee
Aug. 2024–Jul. 2026
External Member
Korea National Railway
Jun. 2024–May. 2026
Technical Advisory Committee Member

Academic Service

Journal Reviewer
  • IEEE Transactions on Vehicular Technology (2019)
  • IEEE Communications Letters (2023)
  • IEEE Journal of Selected Topics in Signal Processing (2024)
  • IEEE Internet of Things Journal (2026)