Professional Experience

Professional Appointments

• Senior Researcher, Electronics and Telecommunications Research Institute (ETRI) (2022.08 ~ Present)

Terahertz Research Section, Creative & Basic Technology Research Division, Superintelligence Creative Research Laboratory

- Research and Development Related to mm-Wave/THz Massive MIMO Array Systems for Multistatic Imaging and B5G/6G Wireless Communication Applications

• Research Assistant Professor, Pohang University of Science and Technology (POSTECH) (2019.12 ~ 2022.07)

Microwave, Antenna, Device and System (MADs) Laboratory, Department of Electrical Engineering

- Research and Development Related to mm-Wave/THz Massive MIMO Array Systems for B5G/6G Wireless Communication Applications

- Professional Instructor of Special Lectures on Electronic and Electrical Engineering in POSTECH (2020.03 ~ 2021.12)

• Post-Doctoral Fellow, Pohang University of Science and Technology (POSTECH) (2018.03 ~ 2019.12)

Microwave, Antenna, Device and System (MADs) Laboratory, Department of Electrical Engineering (Advisor: Wonbin Hong)

- Research and Development Related to mm-Wave Phased Array Systems for B5G Wireless Communication Applications

• Research Assistant, Gwangju Institute of Science and Technology (GIST) (2010.09 ~ 2018.02)

Microwave-optoelectronic Integrated Device And System (MIDAS) Laboratory, Department of Nanobio Materials and Electronics (Advisor: Jae-Hyung Jang)

- Research and Development Related to Microwave/mm-Wave Antenna Applications

- Teaching Assistant about Microwave Engineering (2014.03 ~ 2014.06)

Education

• Ph.D., Gwangju Institute of Science and Technology (GIST) (2010.09 ~ 2018.02)

Department of Nanobio Materials and Electronics (Advisor: Jae-Hyung Jang)

- Dissertation Title: Design and Characterization of Low-Profile Planar Multi-Antenna Integrated with One-Dimensional Metamaterial

• M.S., Kwangwoon University (2008.03 ~ 2010.02)

Department of Wireless Communications Engineering (Advisor: Byungje Lee)

- Dissertation Title: Study on Isolation Enhancement of an Indoor WCDMA Repeater

• B.S., Kwangwoon University (2002.03 ~ 2008.02)

Department of Wireless Communications Engineering (Advisor: Hyungchol Shin)

- Dissertation Title: Low Power CMOS RF PLL with On-Chip Capacitance Multiplier

Honors & Awards

• Best Paper Award Finalist granted by IEEE MTT-S (in GSMM 2022 conference), 20th May 2022

- Paper Title: Cost-Effective and Compact Antenna Applications Using Planar HIS: Research Survey and Possibility

• Outstanding Top 100 Reviewers granted by IEEE TAP (Transactions on Antennas and Propagation) (Acitivity Period: 2019.06 ~ 2020.05)

- Reference: D. Erricolo (Editor-in-Chief), "Editorial Outstanding Associate Editors and Top Reviewers," IEEE Transactions on Antennas and Propagation, Vol. 68, No. 8, pp. 5764-5765, 2020.

• Best Poster Presentation granted by IEIE (in ICEIC 2018 conference), 26th Jan. 2018

- Paper Title: Design of Actively Tunable One-Dimensional Electromagnetic Bandgap Structures Employing BST Thin Film

National Research Project Experience

• Research on Next-Generation Personal Security Screening Technology (2022.08 ~ Present)

Supporting Agency: KAIA funded by the Ministry of Land, Infrastructure and Transport (Role: Dedicated Senior Researcher)

- mm-Wave/THz Massive MIMO Array Systems in Multistatic Imaging Radar for Personal Security Screening Panel

• Research on Design and Verification Technology of Metasurface Based mm-Wave/THz Devices for 5G+/6G Communication (2021.06 ~ 2022.07)

Supporting Agency: NRF of Korea funded by the Ministry of Education (Role: Principal Investigator in Basic Science Program (Research Fellow))

- Intelligent metasurface (IM) Based mm-Wave/THz Monolithic Devices and Modules Using Solid-State Electronic Material/Heterogeneous Integration

- Multi-Disciplinary Verification Methodology of mm-Wave/THz Devices and Modules

- Funding Information: 70,000,000 ₩/Year (Supporting duration: 2021.06 ~ 2024.05 (Project abort: 2022.07))

• Research on Electrically Reconfigurable Planar Metamaterial Based Microwave/mm-Wave Antennas (2018.09 ~ 2019.08)

Supporting Agency: NRF of Korea funded by the Ministry of Education       (Role: Principal Investigator in Basic Science Program (Postdoctoral Researcher))

- Electrically Reconfigurable Planar Metamaterial-Based Microwave/mm-Wave Antennas

- Funding Information: 45,000,000 ₩/Year (Supporting duration: 2018.09 ~ 2019.08)

• Innovative Fusion Technologies of Intelligent Antenna Material/Structure/Network for THz 6G (2022.01 ~ 2022.07)

Supporting Agency: IITP of Korea funded by the Ministry of Science, ICT       (Role: Dedicated Research Fellow)

- Intelligent metasurface (IM) based THz monolithic devices and antenna modules

• mm-Wave Metasurface-based Dual-band Beamforming Antenna-on-Package Technology for 5G Smartphone (2020.04 ~ 2022.07)

Supporting Agency: IITP of Korea funded by the Ministry of Science, ICT       (Role: Dedicated Research Fellow)

- mm-Wave (26.5~29.5 GHz, 37~40 GHz) display integrated antenna consisting of metasurface

• Research & Education Center for 5G+/6G Composite Materials, Fabrication, and Components (2019.11 ~ 2022.02)

Supporting Agency: NRF of Korea funded by the Ministry of Science, ICT       (Role: 1st Group Leader in Next Generation Engineering Research Program)

- Composite materials/fabrication-based mmWave/Sub-THz antenna featuring multi-functionality

- Professional instructor of special lectures on electronic and electrical engineering in POSTECH

• Investigation of Future mm-Wave Circuits, Packages, and System (2018.07 ~ 2022.07)

Supporting Agency: IITP of Korea funded by the Ministry of Science, ICT       (Role: Dedicated Research Fellow)

- Fan-out wafer-level-package (FOWLP) based mm-Wave antenna and beamforming module

• Development of Testing and Verification Technology for 5G Mobile Communications Supporting eMBB, URLLC, and mMTC (2019.01 ~ 2020.12)

Supporting Agency: IITP of Korea funded by the Ministry of Science, ICT       (Role: Dedicated Research Fellow)

- mmWave antenna for 5G user equipment (UE) featuring high performance and cost-effectiveness

• Discovery of Materials with Electrically Modulated Capacitance for Memcapacitor Architecture (2017.10 ~ 2018.02)

Supporting Agency: NRF of Korea funded by the Ministry of Science, ICT       (Role: Dedicated Research Assistant)

- Electrically modulated capacitance material-based microwave reconfigurable devices

• Wideband High Power GaN Amplifier for Electronic Warfare (2014.08 ~ 2015.12)

Supporting Agency: ADD Electronic Warfare Research Center-EW21             (Role: Dedicated Research Assistant)

- Design and characterization of 10-W GaN power amplifier module at 6~18 GHz

• Lateral Type GaAs Photoconductive Semiconductor Switch Design and Fabrication Service Assignments (2014.12 ~ 2016.02)

Supporting Agency: Agency for Defense Development (ADD)                  (Role: Dedicated Research Assistant)

- Circuit modeling and PCB module design of photoconductive semiconductor switch

• Electrically Reconfigurable Metamaterial-Based THz Devices (2017.03 ~ 2017.09)

Supporting Agency: NRF of Korea funded by the Ministry of Science, ICT       (Role: Participated Research Assistant)

- Electrically reconfigurable metamaterial-based microwave/THz devices

• Filling the THz-Gap with Single Tone THz Source Based on 2-D Electron Fluid (2014.06 ~ 2018.02)

Supporting Agency: Samsung Research Funding Center (SRFC)       (Role: Participated Research Assistant)

- GaN HEMT based high power THz radiating source