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Research

Ineterests

Media Broadcasting
Wireless Communications - Physical Layer
Convergence of Broadcasting and Cellular Networks
Physical Layer Security
Standard System Design (ATSC 3.0, 5G) and Field Verifications
Semantic Media Systems
UAV Communications and Application of Mechanical Dynamics

Key Results

Fundamentals for Convergent Networks
- - Concept of Broadcast-Broadband Convergence, Its Features, and Applications [TBC'20-Ed, TBC'22-1]
  - Non-Orthogonal Multiplexing Systems for Broadcast-Unicast Co-Transmissions [TBC'20-1, TBC'20-2]
  - Cooperative Casting System and Scalable Streaming Based on Broadcast-Cellular Handovers [TBC'20-3, TBC'21-1]
  - Standard-Compliant Tower Overlay of ATSC 3.0 and 5G Broadcast [TBC'22-1]
  - In-Band Distribution Link Based on DTT Technologies [TBC'23-1 - TBC'23-4, TBC'23-Ed, TWC'23-1, TWC'23-2]
Mobile Broadcasting
- - Exhaustive Mobile Performance Evaluations for ATSC 3.0 Physical Layer [TBC'20-4]
  - On-Vehicle Solutions for Mobile Media (Diversity Receiver, LLR Compensation) [ETRIJ'21, BMSB'20-1]
  - Performance Evaluation and Comparison between Rel-17 5G Broadcast and ATSC 3.0 Physical Layer [TBC'23-5]
Physical Layer Security
- - Use of Pilot Jamming in Addition to Data Jamming [CCNC'17, MILCOM'16, ICSPCS'16, WCL'21]
Single-Frequency Networks
- - Empirical Modeling of the Fading Channels in UHF Band Single-Frequency Networks [TBC'22-2]
  - Signal Processing of Transmitter Identification in ATSC 3.0 Systems and its Analysis [TBC'20-5, Access'20]
  - Advanced On-Channel Repeater for ATSC 3.0 [ETRIJ'22]
UAV Communications and Physics Applications
- - Velocity Optimization for UAV-Mounted Transmitter in Population-Varying Fields [TVT'23]
  - Height Optimization for Tethered Drone Transmitter Considering Power Consumption and Cable Tension
Non-Orthogonal Multiplexing, Cross-Polarization MIMO, Backward Compatibility
- - Memory Use of LDM System in ATSC 3.0 [TBC'19]
  - Foundations of NOM-Based Backward Compatible MIMO Broadcasting and Theoretical Analysis [TBC'23-1]
  - Analytic Prediction for Required SNR of Cross-Polarization MIMO Based on SISO Evaluation Results
Standardization
- - Advanced Television Systems Committee (ATSC), “Guidelines for the Physical Layer Protocol - Annex A: System Performance”, Doc. A/327
  - Advanced Television Systems Committee (ATSC), “Guidelines for the Physical Layer Protocol - Annex C: ATSC 3.0 Service Examples”, Doc. A/327
  - Preliminary Draft Revision to Report ITU-R BT.2400 (Usage scenarios, requirements and technical elements of a global platform for the broadcasting service)
  - Preliminary Draft Revision to Report ITU-R BT.2295 (Digital Terrestrial Broadcasting Systems)

Awards and Grants

Grand Prize, Foundational Patent Award (핵심원천기술 IPR 1위), ETRI (2025)
Influential International Standardization Technology Award (영향력 있는 국제표준기술), ETRI (2025)
Selected as Next Generation Research Project Leader (차세대주역 신진연구자 선정), ETRI (Jul. 2025)
Top3 Research Achievement Award (Project Award), ETRI (2025)
Minister of Science and ICT Commendation (과학기술정보통신부 장관 표창), Korean Ministry of Science and ICT (Dec. 2024)
| Contributions to the Development of the Broadcasting Technology and Industry (방송기술 장비산업 발전 유공)
Young Researcher Award (신진연구자상), ETRI (Apr. 2024)
Ph.D Dissertation Award, College of Engineering, KAIST (Feb. 2024)
Appointment: Research Fellow Board Member, ETRI (May 2024)
Outstanding Performer Prize, ETRI (May 2024)
Best Student Paper Award, 2023 IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (Jun. 2023)
Top-Cited Paper Award ('21~'22), ETRI Journal (Feb. 2023)
Outstanding Research Achievement Award (Project Participant), ETRI, Korea (2022)
Special Early Promotion (Double Step of Early Promotion), ETRI, Korea (2022)
Grand Prize, Top 100 National R&D Achievements, Ministry of Science and ICT, Korea (Oct. 2019)
Outstanding Research Achievement Award (Project Participant), ETRI, Korea (Dec. 2019)
Top 10 Outstanding Researches of Government-Funded Research Institutions (Project Participant), National Research Council of Science and Technology, Korea (Jun. 2019)
ETRI's Representative Research Achievement of the Year (Project Participant), ETRI, Korea (Dec. 2018)
Best Paper Award (Co-Recipient), 2019 IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (Jun. 2019)
Best Paper Award (Co-Recipient), 2018 IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (Jun. 2018)
Student Grant, IEEE Military Communications Conference (Nov. 2016)
Korean Government Scholarship, Ministry of Education, Korea (Mar. 2015 ~ Feb. 2017)
Top 20, Qualcomm-KAIST IT Innovation Paper Competition, Qualcomm.Inc and KAIST, Korea (Mar. 2016)
The National Scholarship for Science and Engineering, Ministry of Education, Korea (Feb. 2011 ~ Feb. 2015)
Korea Research Institute of Chemical Technology Scholarship, Korea Research Institute of Chemical Technology, Korea (Apr. 2010)

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Research

Ineterests

Media Broadcasting

Wireless Communications - Physical Layer

Convergence of Broadcasting and Cellular Networks

Physical Layer Security

Standard System Design (ATSC 3.0, 5G) and Field Verifications

Semantic Media Systems

UAV Communications and Application of Mechanical Dynamics

Key Results

Fundamentals for Convergent Networks

Concept of Broadcast-Broadband Convergence, Its Features, and Applications [TBC'20-Ed, TBC'22-1]

Non-Orthogonal Multiplexing Systems for Broadcast-Unicast Co-Transmissions [TBC'20-1, TBC'20-2]

Cooperative Casting System and Scalable Streaming Based on Broadcast-Cellular Handovers [TBC'20-3, TBC'21-1]

Standard-Compliant Tower Overlay of ATSC 3.0 and 5G Broadcast [TBC'22-1]

In-Band Distribution Link Based on DTT Technologies [TBC'23-1 - TBC'23-4, TBC'23-Ed, TWC'23-1, TWC'23-2]

Mobile Broadcasting

Exhaustive Mobile Performance Evaluations for ATSC 3.0 Physical Layer [TBC'20-4]

On-Vehicle Solutions for Mobile Media (Diversity Receiver, LLR Compensation) [ETRIJ'21, BMSB'20-1]

Performance Evaluation and Comparison between Rel-17 5G Broadcast and ATSC 3.0 Physical Layer [TBC'23-5]

Physical Layer Security

Use of Pilot Jamming in Addition to Data Jamming [CCNC'17, MILCOM'16, ICSPCS'16, WCL'21]

Single-Frequency Networks

Empirical Modeling of the Fading Channels in UHF Band Single-Frequency Networks [TBC'22-2]

Signal Processing of Transmitter Identification in ATSC 3.0 Systems and its Analysis [TBC'20-5, Access'20]

Advanced On-Channel Repeater for ATSC 3.0 [ETRIJ'22]

UAV Communications and Physics Applications

Velocity Optimization for UAV-Mounted Transmitter in Population-Varying Fields [TVT'23]

Height Optimization for Tethered Drone Transmitter Considering Power Consumption and Cable Tension

Non-Orthogonal Multiplexing, Cross-Polarization MIMO, Backward Compatibility

Memory Use of LDM System in ATSC 3.0 [TBC'19]

Foundations of NOM-Based Backward Compatible MIMO Broadcasting and Theoretical Analysis [TBC'23-1]

Analytic Prediction for Required SNR of Cross-Polarization MIMO Based on SISO Evaluation Results

Standardization

Advanced Television Systems Committee (ATSC), “Guidelines for the Physical Layer Protocol - Annex A: System Performance”, Doc. A/327

Advanced Television Systems Committee (ATSC), “Guidelines for the Physical Layer Protocol - Annex C: ATSC 3.0 Service Examples”, Doc. A/327

Preliminary Draft Revision to Report ITU-R BT.2400 (Usage scenarios, requirements and technical elements of a global platform for the broadcasting service)

Preliminary Draft Revision to Report ITU-R BT.2295 (Digital Terrestrial Broadcasting Systems)

Awards and Grants

Grand Prize, Foundational Patent Award (핵심원천기술 IPR 1위), ETRI (2025)

Influential International Standardization Technology Award (영향력 있는 국제표준기술), ETRI (2025)

Selected as Next Generation Research Project Leader (차세대주역 신진연구자 선정), ETRI (Jul. 2025)

Top3 Research Achievement Award (Project Award), ETRI (2025)

Minister of Science and ICT Commendation (과학기술정보통신부 장관 표창), Korean Ministry of Science and ICT (Dec. 2024)| Contributions to the Development of the Broadcasting Technology and Industry (방송기술 장비산업 발전 유공)

Young Researcher Award (신진연구자상), ETRI (Apr. 2024)

Ph.D Dissertation Award, College of Engineering, KAIST (Feb. 2024)

Appointment: Research Fellow Board Member, ETRI (May 2024)

Outstanding Performer Prize, ETRI (May 2024)

Best Student Paper Award, 2023 IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (Jun. 2023)

Top-Cited Paper Award ('21~'22), ETRI Journal (Feb. 2023)

Outstanding Research Achievement Award (Project Participant), ETRI, Korea (2022)

Special Early Promotion (Double Step of Early Promotion), ETRI, Korea (2022)

Grand Prize, Top 100 National R&D Achievements, Ministry of Science and ICT, Korea (Oct. 2019)

Outstanding Research Achievement Award (Project Participant), ETRI, Korea (Dec. 2019)

Top 10 Outstanding Researches of Government-Funded Research Institutions (Project Participant), National Research Council of Science and Technology, Korea (Jun. 2019)

ETRI's Representative Research Achievement of the Year (Project Participant), ETRI, Korea (Dec. 2018)

Best Paper Award (Co-Recipient), 2019 IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (Jun. 2019)

Best Paper Award (Co-Recipient), 2018 IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (Jun. 2018)

Student Grant, IEEE Military Communications Conference (Nov. 2016)

Korean Government Scholarship, Ministry of Education, Korea (Mar. 2015 ~ Feb. 2017)

Top 20, Qualcomm-KAIST IT Innovation Paper Competition, Qualcomm.Inc and KAIST, Korea (Mar. 2016)

The National Scholarship for Science and Engineering, Ministry of Education, Korea (Feb. 2011 ~ Feb. 2015)

Korea Research Institute of Chemical Technology Scholarship, Korea Research Institute of Chemical Technology, Korea (Apr. 2010)

Minister of Science and ICT Commendation (과학기술정보통신부 장관 표창), Korean Ministry of Science and ICT (Dec. 2024)
| Contributions to the Development of the Broadcasting Technology and Industry (방송기술 장비산업 발전 유공)