International Journals
- S. Bang, H. Kim, and J. Oh, “Enhancing 2-D Beam Scanning Capability through Extended Transmission Paths in a Liquid Crystal-Based Transmitarray Antenna,” in Journal of Electromagnetic Engineering & Science, accepted.
- H. Kim, J. Lee, S. Bang, J. Wang, M.-S. Kim, H.-R. Kim, and J. Oh, “Low Voltage Controlled Fast Switchable Liquid Crystal-Based Reflectarray With Transverse Rubbing Layer,” in IEEE Antennas and Wireless Propagation Letters, 2024.
- J. Kim, S. Bang, J. Jeong, S.-H. Wi, and J. Oh, “Enhancing Selectivity in 5G/6G Ultra-Narrowband Applications: Plug-and-Play Frequency Selective Surfaces with Field-Manipulating Vias,” in IEEE Transactions on Antennas and Propagation, 2024.
- S. Bang, T. Yoon, B. Kim, J. Oh, H. Kim, and J. Oh, “Extremely Miniaturized Free-Space Measurement System for RF Metamaterial Composites Based on Beam Focusing Transmitarray,” in IEEE Antennas and Wireless Propagation Letters, 2024.
- H. Yang, S. Kim, H. Kim, S. Bang, Y. Kim, S. Kim, K. Park, D. Kwon, and J. Oh, "Beyond Limitations of 5G with RIS: Field Trial in a Commercial Network, Recent Advances, and Future Directions," in IEEE Communications Magazine, 2023.
- H. Kim, S. Oh, S. Bang, H. Yang, B. Kim and J. Oh, "Independently Polarization Manipulable Liquid-Crystal-Based Reflective Metasurface for 5G Reflectarray and Reconfigurable Intelligent Surface," in Transactions on Antennas and Propagation, 2023
International Conferences
- B. Moon, S. Bang, H. Kim, and J. Oh, "Simultaneously Dual-Polarization Convertible Sub-THz Reconfigurable Intelligent Surface Enabled by Through-Quartz VIAs", 18th European Conference on Antennas and Propagation (EuCAP), Glasgow, Scotland, 2024.
- H. Yang, H. Kim, S. Bang, Y. Kim, and J. Oh, "Indoor Coverage Enhancement Employing Liquid Crystal-Based Massive Reconfigurable Intelligent Surface Linked to 5G FR2 Base Station", 18th European Conference on Antennas and Propagation (EuCAP), Glasgow, Scotland, 2024.
- D. Kwon, S. Kim, K. Park, S. Kim, H. Kim, H. Yang, S. Bang, and J. Oh, “Field Evaluation of Reconfigurable Intelligent Surface with Varying Surface Size,” in 2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (USNC-URSI), Portland, OR, USA, 2023.
Domestic Conferences
- 방승우, 문병주, 김호겸, 오정석, “A Novel Transmissive Metasurface Design for Expanding Phase Tuning Range: Extending Transmission Paths via Polarization Converter,” 2024 Winter KIEES, Feb. 2024.
- 문병주, 방승우, 오정석, “Liquid Crystal-Based Reconfigurable Intelligent Surface for Sub-THz 6G Communications With Simultaneous and Dual Polarization Convertibility,” 2024 Winter KIEES, Feb. 2024.
- 방승우, 윤태영, 김병진, 오재철, 오정석, “주파수 선택적 표면 측정을 위한 근거리 장 빔 포커싱 트랜스밋어레이 기반 초소형 OTA 측정 시스템,” 2023 Summer KIEES, Aug. 2023. (Best Paper Award) (1st place)
- 양현준, 방승우, 김호겸, 오정석, “세계 최초 RIS 기반 5G FR2 대역 QoS 측정을 위한 전파 모델링 예측 및 필드 테스트,” 2023 Summer KIEES, Aug. 2023.
- 김호겸, 이재원, 방승우, 왕쥔카이, 김학린, 오정석, “Active Holographic Reflectarray Antenna With Accelerated Dynamic Switching Time: Beyond Theoretical Limitation,” 2023 Summer KIEES, Aug. 2023.
- 김성현, 권도일, 김병관, 박규진, 양현준, 방승우, 김호겸, 오정석, “RIS를 활용한 5G 무선망 커버리지 확대 기술,” 2023 Summer KIEES, Aug. 2023.
- 방승우, 김호겸, 오정석, “A Liquid-Crystal-Embedded Transmitarray Design Based on Antenna-Filter-Antenna Arrays for Wide Phase Tuning Range,” 2023 Winter KIEES, Feb. 2023.
- 방승우 and 오정석, “1-bit D-band Transmitarray Unit Cell Design Based on Polarization Rotating Phase Shifters,” 2022 Summer KIEES, Aug. 2022.
- 방승우, 정재영, “IoV 통신을 위한 저자세, 다중대역, 전방향성 패치 안테나 설계 및 캠퍼스 내 필드테스트,” 2022 Winter KIEES, Feb. (Best Paper Award)
- 이조은, 방승우, 정재영, “자율주행차량용 저자세(low-profile) 안테나 설계,” CICS’21 정보 및 제어 학술대회, Oct. 2021.
- 방승우, 김유경, 이조은, 최지현, 황준상, 정재영, “다층 PCB 구조를 이용한 저자세, 다중대역, 전방향성 방사 패치 안테나 설계”, 2021 Summer KIEES, Aug. 2021.
- 방승우, 김유경, 최지현, 황준상, 정재영, “높이 0.04파장 이하, 대역폭 25% 이상 저자세, 광대역, 전방향성 방사 패치 안테나 설계,” 2021 Winter KIEES, Feb. 2021.
- 방승우, 정재영, “필드테스트용 In-House 데이터 전송률 측정기기 구현 및 캠퍼스 내 무선통신 질 측정,” 2020 Autumn KIEES, Nov.
Patents
- 필테나 기반 이중 편파 공간 필터 구조 (출원번호: 10-2023-0143199)