Researchers

Hyunjun Yang

Ph.D. Candidate

Department of Electrical and Computer Engineering Seoul National University 1 Gwanak-ro, Gwanak-gu, Seoul, Korea

Building 301 Room 814

guswns6217@snu.ac.kr

Research Interest

Ray tracing EM Analysis Technique, EM Theory, 5G/6G Channel Modeling, Mobile Communication System and RIS

Research Experiences

  • 6G Static/Dynamic Wireless Communications Simulator – The Institute of Information & Communications Technology Planning & Evaluation (IITP)
  • 6G Ray-tracing-based Coverage Analysis based with Channel Measurement - KT Corporation
  • AI-assisted EMI/EMC performance prediction - Samsung VD / C.LAB
  • 5G mmWave band RIS design and RIS-assisted Ray-tracing Simulator - KT Corporation
  • 6G Static/Dynamic Ray-tracing Simulator – The Institute of Information & Communications Technology Planning & Evaluation (IITP)
  • Electromagnetic Interference/Compatibility Analysis on Special Ship – Korea Shipbuilding & Offshore Engineering (KSOE)

Publication

International Journals

  • Y. Kim, H. Yang, H. Kim, J. Jo and J. Oh, "Anxel Beam Shrinkage Method and Heterogeneous Computing-Accelerated Full-Image Theory Method Ray Tracing Enabling Massive Outdoor Propagation Modeling," in IEEE Transactions on Antennas and Propagation (TAP), vol. 72, no. 7, pp. 5935-5949, July 2024, doi: 10.1109/TAP.2024.3411793.
  • H. Yang, H. Kim, S. Bang, Y.Kim and J. Oh, "Beyond Limitations of 5G with RIS: Field Trial in a Commercial Network, Recent Advances, and Future Directions," in IEEE Communications Magazine (ComMag), vol. 62, no. 10, pp. 132-138, October 2024, doi: 10.1109/MCOM.024.2300440. (Top Accessed)
  • 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 IEEE Transactions on Antennas and Propagation (TAP), vol. 71, no. 8, pp. 6606-6616, Aug. 2023.
  • Y. Kim, H. Yang, J. Oh, "Critical Angle Formulation of Nonuniform Plane Waves for Determining Correct Refraction Angles at Planar Interface," in IEEE Transactions on Antennas and Propagation (TAP), vol. 71, no. 3, pp. 2861-2866, Mar. 2023.

International Conferences

  • H. Yang​, S. Bang, H. Kim, J. Oh, "6G Channel Measurement in Urban, Dense Urban Scenario and Massive Ray-Tracing-Based Coverage Analysis at 7.5 GHz", IEEE International Conference on Communications (ICC) - Wireless Communications Symposium, 2025
  • 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), 2024
  • Y. Kim, H. Yang, and J. Oh, "Heterogeneous Computing and Visibility Preprocessor Accelerated Full-3D Ray Tracing for Large Scale Outdoor Propagation Modeling", 17th European Conference on Antennas and Propagation (EuCAP), 2023
  • H. Kim, H. Yang, S. Bang, and J. Oh, "Field Evaluation of Reconfigurable Intelligent Surface with Varying Surface Size," 2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (USNC-URSI), Portland, OR, USA, 2023, pp. 17-18, doi: 10.1109/USNC-URSI52151.2023.10238136.

Domestic Conferences

  • Hyunjun Yang, S. Bang, H. Kim, Jungsuek Oh, “6G Upper-midband의 5G Sub-6GHz 대역과 공존을 위한 6G 시스템 설계: Dense urban 환경 채널 측정 및 Ray-tracing 기반 커버리지, 채널용량 분석,” 2025 Winter KIEES, Feb. 2025.
  • H. Kim, Hyunjun Yang, S. Bang, Jungsuek Oh, “6G 대역 Urban-Macro 시나리오 측정, Delay Spread 분석 및 예측모델링,” 2025 Winter KIEES, Feb. 2025. (Best Paper Award)
  • Hyunjun Yang ​and Jungsuek Oh, "Verification of OptiX-Based Preprocessing Techniques and Performance Enhancements for High-Precision/Ultrafast Ray-tracing Analysis in Massive Urban 3D Scenes", 2023 Summer KIEES, Aug. 2023.
  • Hyunjun Yang and Jungsuek Oh, “A Robust and Fast method using BFGS for tracing the double diffracted ray”, 2022 Summer KIEES, Aug. 2022. (Best Paper Award)
  • Hyunjun Yang and Jungsuek Oh, “Fast and High Performance Ray Tracing for analyzing shadow zone on vessel”, 2022 Winter KIEES, Feb. 2022.
  • Hyunjun Yang and Jungsuek Oh, “Analysis of Propagation Characteristics in Building Environment Using Ray Tracing”, 2021 Summer KIEES, Aug. 2021.

Patents

  • 오정석, 양현준​, 김용완, 함정의 전파 환경을 분석하기 위한 시뮬레이션 방법 및 장치, 출원번호 1020230089769, 출원일 2023년 07월 11
  • 오정석, 김용완, 양현준, 라디오 전파 모델링 광선 추적 시뮬레이션 전처리 방법 및 장치, 출원번호 1020210191010, 출원일 2021년 12월 29일

Honors and Awards

  • Korea Institute of Electromagnetic Engineering and Science (KIEES), Best Paper Award (Feb. 2025)
  • KIEES 제22회 전파분야 대학원생 논문공고 최우수상(학회장상) (Oct, 2023)
  • KIEES 제8회 전자파측정 경진대회 최우수상 / Electromagnetic Measurement Competition, Grand Prize (Mar. 2023)
  • Korea Institute of Electromagnetic Engineering and Science (KIEES), Best Paper Award (Aug. 2022)
  • Seoul National University (SNU), Lecture and Research Scholarship (2022)
  • U.S. Global Company Invitation Scholarship (2017)
  • EU Exchange Student Scholarship (2017)
  • Korea Student Aid Foundation (KOSAF), National Science & Technology Scholarship (2015-2019)

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