Y. Youn, D. Kim, D. An, and W. Hong, “Transparent Metal-Mesh FSS for Oblique-Incidence Transmission Enhancement of Window Glass”, Journal of Electromagnetic Engineering and Science (Accepted).
J. Bae, S. Min, S. Chang, D. Kim, D. An, W. Hong, and Y. Youn, “Transparent and Attachable FSS on Window Glass for Outdoor-to-Indoor Transmission Improvement”, Microwave and Optical Technology Letters, vol. 68, no.6, 2026.
Y. Youn, D. An, D. Kim, M. Hwang, H. Choi, B. Kang, and W. Hong, “Liquid Crystal-driven Reconfigurable Intelligent Surface with Cognitive Sensors for Self-Sustainable Operation”, IEEE Transactions on Antennas and Propagation, vol. 71, no. 12, pp. 9415-9423, 2023 (Top Accessed Papers for IEEE Transactions on Antennas and Propagation for the month of January 2024).
Y. Youn, A.A. Omar, D. Kim, S. Chang, and W. Hong, “Low-Profile Wideband D-band Absorber Utilizing Resistive Thin Film Screen-Printing”, IEEE Transactions on Components, Packaging and Manufacturing Technology, vol. 13, no. 4, pp. 580-582, 2023.
Y. Youn, D. Kim, J. Choi, S. Chang and W. Hong, “Scattering Mitigation Frequency Selective Surface for Unidirectional Blockage Compensation”, IEEE Transactions on Antennas and Propagation, vol. 70, no. 12, 12387-12392, 2022.
Y. Youn, J. Choi, B. Kim, W. Hwang, C.-Y.-D. Sim, and W. Hong, “Dual-band Patch Antenna Matching Network comprised of Separated Ground Layers and Via Posts for Adjustable Return Current Path”, IEEE Access, vol. 10, 102173-102180, 2022.
Y. Youn, J. Choi, D. Kim, A.A. Omar, S. Chang, J. Choi, I. Yoon, S. Ko, J. Lee, Y. Lee, M.O. Akinsolu, B. Liu, and W. Hong, “Dome-shaped mmWave Lens Antenna Optimization for Wide-angle Scanning and Scan Loss Mitigation using Geometric Optics and Multiple Scattering”, IEEE Journal on Multiscale and Multiphysics Computational Techniques, vol. 7, 142-150, 2022.
Y. Youn, S. Cho, H.-J. Song, and W. Hong, “Polarization and Frequency-selective Surface for Vehicular Beamforming Communications requiring near-zero profile”, IEEE Transactions on Vehicular Technology, vol.69, no.2, 1719-1729, 2020.
Y. Youn, and W. Hong, “Circularly polarized wave beamforming using one-dimensional Fresnel zone plate”, Microwave and Optical Technology Letters, 61, 1263-1267, 2019. (Top 10% Most Downloaded Paper for Microwave and Optical Technology Letters between January 2018 and December 2019)
Y. Youn, C. Lee, D. Kim, D. An, and W. Hong, “Electroforming-Compatible Transparent Reflectarray for mmWave Coverage Extension”, IEEE Transactions on Components, Packaging and Manufacturing Technology (in preparation).
D. An, Y. Youn, D. Kim, W. Heo, M. Hwang, S. Chang, and W. Hong, “Integrating Direction-of-Arrival Estimation Function with Reconfigurable Intelligent Surfaces for Self-Adaptive Wireless Networks”, IEEE Transactions on Antennas and Propagation, 2026 (Early Access).
D. Kim, D. An, H. Shin, Y. Youn, and W. Hong, “Millisecond-Switching Dual-Band/Dual-Polarization Ka-Band Wavefront Control Enabled by a Complementary Liquid-Crystal Metasurface”, Advanced Materials Technologies, vol.11, no.4, e70757, 2025.
D. An, S. Chang, M. Hwang, Y. Youn, D. Kim, C. Lee and W. Hong, “Diagnosis and Modification of Propagating Electromagnetic Waves Using DoA system and EM Skin”, IEEE Transactions on Antennas and Propagation, vol. 72, no. 4, pp. 3629-3640, 2024.
D. Kim, Y. Youn, D. An, M. Hwang, and W. Hong, “Spatial Phase Shift Distribution for Blockage Effect Mitigation for RIS-assisted Wireless Networks”, IEEE Transactions on Antennas and Propagation, vol. 72, no. 4, pp. 3837-3841, 2024.
S. Pandit, D. Kim, Y. Youn, D. An, and W. Hong, “Frequency-Tunable Absorber using Liquid Crystal at 140 GHz”, IEEE Antennas and Wireless Propagation Letters, vol. 23, no.3, pp. 1119-1123, 2024.
S. Pandit, Y. Youn, D. Kim, D. An, and W. Hong, “Polarization- and Incident-Angle Independent Wideband Microwave Absorber Using Ruthenium Oxide on a Single-Layer LTCC Substrate”, IEEE Transactions on Electromagnetic Compatibility, vol. 6, no. 1, pp. 161-168, 2024.
D. Lee, J.Y. Lee, K. Lee, M. Kim, M. Kim, Y. Youn, H.-J. Song, and W. Hong, “Planar Asymmetric Fed Interdigital Coupling Antenna-in-Package Using FOWLP Process Operating at 60-90 GHz in End Fire Mode”, IEEE Transactions on Microwave Theory and Techniques, vol. 72, no. 4, pp. 2378-2390, 2024.
D. Kim, J. Choi, Y. Youn, S. Chang, C. Lee, W. Kim, and W. Hong, “Characterization of Nematic Liquid Crystal Dielectric Properties using Complementary FSS featuring Electrically Small Cell Gaps across a wide Sub-THz Range”, IEEE Transactions on Antennas and Propagation, vol. 72, no. 2, pp. 2019-2024, 2024.
J. Lee, D. Lee, J. Ahn, M. Kim, B. Kim, G. Park, Y. Youn, and W. Hong, “A Phased Array featuring Independent, Simultaneous Beamsteering at 24 – 30 GHz and 39 – 50 GHz Without Grating Lobes and Beam Squint”, IEEE Transactions on Antennas and Propagation, vol. 72, no. 1, pp. 365-374.
M. Hwang, Y. Youn, D. Kim, D. An, S. Chang, C. Lee, and W. Hong, “Environment-adaptive Reconfigurable Intelligent Surface for Dynamic Channel Conditions”, IEEE Communications Magazine, vol. 61, no. 11, pp. 152-158, 2023.
J. Ahn, Y. Youn, B. Kim, J. Lee, N. Choi, Y. Lee, G. Kim, and W. Hong, “Wideband 5G N77/N79 8×8 MIMO Antenna featuring Open and Closed Stubs for Metal-rimmed Smartphones with Four Slits”, IEEE Antennas and Wireless Propagation Letters, vol. 22, no. 12, pp. 2798-2802, 2023.
M. Hwang, D. An, S. Chang, Y. Youn, D. Kim, C. Lee, and W. Hong, “Demonstration of millimeter-wave Reconfigurable Intelligent Surface (RIS) with built-in Sensors for Automatic Tracking of Direction-of-Arrival (DOA)”, IEEE Sensors Letters, vol. 7, no. 8, pp. 1-4, 2023.
J. Ahn, Y. Youn, and W. Hong, “A Concise and Time-efficient Characterization Method for Permittivity of Unknown Materials”, Journal of Electromagnetic Engineering and Science, vol.23, no.5, pp. 385-389, 2023.
J. Ma, J. Choi, S. Park, I. Kong, D. Kim, C. Lee, Y. Youn, M. Hwang, S. Oh, W. Hong, and W. Kim, “Liquid Crystals for Advanced Smart Devices with Microwave and Millimeter-wave Applications: Milestone for Next-generation Communication”, Advanced Materials, no. 2302474, 2023.
D. Lee, B. Kim, J. Lee, Y. Youn, M. Kim, S. Chang, D. Park, and W. Hong, “Dual-polarized Dual-band Antenna-on-Display (AoD) using Via-less and Single-Layer Topology for mmWave Wireless Scenarios”, IEEE Antennas and Wireless Propagation Letters, vol. 22, no. 5, 1000-1004, 2023.
B. Kim, M. Kim, D. Lee, J. Lee, Y. Youn, and W. Hong, “A Shared Aperture Cavity Slot Antenna-in-Package Concept featuring End-Fire and Broadside Radiation for Enhanced Beam Coverage of mmWave Mobile Devices”, IEEE Transactions on Antennas and Propagation, vol. 71, no. 2, 1378-1390, 2023.
S. Chang, Y. Youn, D. Lee, D. Kim, K. Kweon, and W. Hong, “Method of Designing a Planar Scan Angle Enhancing Meta Lens featuring Lossless Wide Scanning at mmWave”, IEEE Transactions on Antennas and Propagation, vol. 71, no. 1, 433-442, 2023.
D. Kim, M. Kim, Y. Youn, S. Chang, C. Lee, J. Kim, B. Oh, and W. Hong, “Enhancing microwave heating uniformity using reconfigurable diffractive beamforming surface”, Microwave and Optical Technology Letters, 64, 47-53, 2022.
S. Cho, Y. Youn, H.-J. Song, and W. Hong, “Reconfigurable Binary-Amplitude Fresnel Zone Plate for Millimeter-Wave Beamforming”, IEEE Transactions on Antennas and Propagation, vol.69, no.10, 6444-6452, 2021.
J.Y. Lee, J. Choi, D. Choi, Y. Youn, and W. Hong, “Broadband and Wide-Angle Scanning Capability in Low-Coupled mm-Wave Phased-Arrays Incorporating ILA with HIS Fabricated on FR-4 PCB”, IEEE Transactions on Vehicular Technology, vol. 70, no.3, 2076-2088, 2021.
A.A. Omar, Y. Youn, and W. Hong, “A Low-Profile Wideband Shared-Aperture Dual-Polarized Antenna Utilizing Dual-Function Slot, IEEE Open Journal of Antennas and Propagation, vol.1, 95-103, 2020.
J. Choi, J. Park, Y. Youn, W. Hwang, H. Seong, Y. Whang, and W. Hong, “Frequency Adjustable PFSA Using Fully-Integrated Multi-Throw Function for 5G Mobile Devices at Millimeter-Wave Spectrum”, IEEE Transactions on Microwave Theory and Techniques, vol.68, no.5, 1872-1881, 2020.
W. Jo, H. Shin. D. An, M. Kim, D. Kim, Y. Youn, and W. Hong, “Integrating Direction-of-Arrival Estimation Function with Reconfigurable Intelligent Surfaces for Self-Adaptive Wireless Networks”, IEEE Transactions on Antennas and Propagation, (in the process of revision).
C. Baker, L. Connely, J. Wu, Y. Youn, J. H. Booske and N. Behdad, “Impact of Manufacturing Techniques on Power Handling Capability of High-Power Polarization-Rotating Phase Shifters”, IEEE Transactions on Plasma Science, (in the process of revision).
Y. Youn, J. Bae, S. Min, D. Kim, D. An, and W. Hong, “A Low-Profile Single-Layer Wideband FSS-based Absorber with Perforated Substrate”, IEEE iWAT 2026, Liverpool, UK.
Y. Youn, D. Kim, D. An, and W. Hong, “Octave-Bandwidth Resistive Absorber for Multi-Band Radar and Communication Systems”, IEEE ISAP 2025, Fukuoka, Japan.
Y. Youn, D. Kim, D. An, and W. Hong, "A Sensor-Integrated Reconfigurable Intelligent Surface for Smart Electromagnetic Environment," 2025 IEEE International Workshop on Electromagnetics (iWEM2025), Hong Kong, 2025.
Y. Youn, D. An, D. Kim, and W. Hong, "Toward Cognitive Reconfigurable Intelligent Surface with Integrated Architecture, Sensing, and Deployment for Smart Electromagnetic Environments," 2025 International Conference on Microwave and Millimeter Wave Technology (ICMMT2025), Xi’an, China, 2025.
Y. Youn, J. Wu, H. Topözlü, S. Hajitabarmarznaki, J. H. Booske and N. Behdad, "Recent Advancements on Wideband Phased Array Antennas for High Power Microwave Applications," 2024 IEEE International Symposium on Phased Array Systems and Technology (ARRAY), Boston, MA, 2024.
Y. Youn, C. Lee, D. Kim, D. An, M. Hwang, S. Chang, A.A. Omar, and W. Hong, “Optically-Transparent FSS for Outdoor-to-Indoor Transmission Improvement featuring Electromagnetic-Thermal Co-Analysis”, IEEE MTT-S IMS 2024, Washington, DC, 2024.
Y. Youn, D. An, D. Kim, M. Hwang, and W. Hong, “Cognitive Reconfigurable Intelligent Surface (RIS) for mmWave Integrated Sensing and Communication”, IEEE ISAP 2023, Kuala Lumpur, Malaysia.
Y. Youn, D. Kim, M. Hwang, D. An, M. Kim, B. Kim and W. Hong, “Cognitive Manipulation of Wireless Channel Matrix Using Software-Driven Electromagnetic Skins for mmWave and Sub-THz”, IEEE ISAP 2023, Kuala Lumpur, Malaysia (Invited Paper).
Y. Youn, and W. Hong, “Energy-efficient Wireless Channel Deployment using Self-Sustainable Reconfigurable Intelligent Surface with Cognitive Radio Sensors”, IEEE AP-S/URSI 2023, Portland, OR (2023 IEEE Antennas and Propagation Society C. J. Reddy Travel Grant).
Y. Youn, D. An, C. Lee, D. Kim, M. Hwang, and W. Hong, “Exploiting Absorptive Electromagnetic Surfaces for Wireless Channel Interference Management by Radio Null Formulation”, IEEE AP-S/URSI 2023, Portland, OR.
Y. Youn, D. Kim, S. Chang, and W. Hong, “Millimeter-Wave Scattering Mitigation Transmitarray for Unidirectional Cloaking of Obstacles”, EuCAP 2023, Florence, Italy.
Y. Youn, and W. Hong, “Dual-band, Aperture-Sharing Matching Network consisting of Separated Ground Layers and Via Posts for millimeter-wave Patch Antennas”, IEEE AP-S/URSI 2022, Denver, CO, Jul. 2022.
Y. Youn, J. Choi, B. Kim, W. Hwang, and W. Hong, “Dual-Resonance mmWave Antenna Matching Network Comprised of Separated Ground Layers and Via Posts for Adjustable Return Current Path Modification”, IEEE MTT-S IMS 2022, Denver, CO, Jun. 2022.
Y. Youn, C. Lee, D. Kim, S. Chang, M. Hwang, D. Jun, C-B. Chae, and W. Hong, “Transparent Intelligent Surfaces for Sub-6GHz and mmWave B5G/6G Systems”, IEEE ICC 2022, Seoul, Korea, May 2022.
Y. Youn, and W. Hong, “Achieving Hemispherical Beam Coverage for a 39 GHz Integrated Lens featuring Double-Elliptical Boundaries through sequential GO and multiple Scattering”, IEEE AP-S/URSI 2021, Singapore, Dec. 2021. (2nd Best Student Paper Award in Student Paper Competition)
Y. Youn, J. Choi, A.A. Omar, D. Kim, J. Choi, I. Yoon, S. Ko, J. Lee, Y. Lee, and W. Hong, “PSO-aided ILA Methodology for Hemispherical Beam Coverage and Scan Loss Mitigation”, IEEE ISAP 2020, Osaka, Japan, Feb. 2021. (Best Paper Finalist)
Y. Youn, and W. Hong, “A Dual-polarized FSS on a Single Substrate using Highly-coupled Interlayer Inductance”, IEEE AP-S/URSI 2019, Atlanta, GA, USA, Jul. 2019. (Honorable Mention in Student Paper Competition)
Y. Youn, D. Choi, and W. Hong, “Finger Blockage Mitigation Method for mmWave Beamforming Mobile Devices”, IEEE AP-S/URSI 2019, Atlanta, GA, USA, Jul. 2019.
Y. Youn, and W. Hong, “Planar Dual-Band Linear to Circular Polarization Converter using Radial-shape Multi-Layer FSS”, IEEE AP-S/URSI 2018, Boston, MA, USA, Jul. 2018.
W. Jo, H. Shin, D. An, M. Kim, D. Kim, Y. Youn, and W. Hong, “Wireless Coverage Enhancement via EM Scattering Redistribution”, IEEE ISAP 2025, Fukuoka, Japan.
D. An, Y. Youn, D. Kim, W. Heo, M. Hwang, S. Chang, and W. Hong, “Real-Time Control Verification of Reconfigurable Intelligent Surface (RIS) Integrated with Direction of Arrival (DoA) Systems”, IEEE ISAP 2024, Incheon, Korea.
J. Lee, D. Lee, M. Kim, G. Park, Y. Youn, and W. Hong, “Compact Low-Loss Selective Coupler (CLSC) Concept for Insertion Loss, Mutual Coupling and Size Miniaturization”, IEEE AP-S/URSI 2024, Florence, Italy.
D. An, M. Hwang, S. Chang, Y. Youn, D. Kim, W. Heo, and W. Hong, “Employing Deep Learning to Enhance Angle Resolution of Directional-of-Arrival (DoA) Systems using Rotman Lens”, IEEE AP-S/URSI 2024, Florence, Italy.
D. An, S. Chang, M. Hwang, Y. Youn, D. Kim, C. Lee, and W. Hong, “Wireless Channel Customization Using Direction-Of-Arrival Sensing Method and Reflective EM Skin”, IEEE ISAP 2023, Kuala Lumpur, Malaysia.
D. An, M. Hwang, Y. Youn, D. Kim, S. Lee, J. Cho, J. Kim, C.-H. Kim, and W. Hong, “Non-Resonant Reflectarray Using Stacked Striplines With Varying Propagation Path Lengths at 120 GHz”, IEEE ISAP 2023, Kuala Lumpur, Malaysia.
J. Lee, D. Lee, J. Ahn, M. Kim, B. Kim, G. Park, Y. Youn, and W. Hong, “Independent, Simultaneous Operation of Phased Array Without Grating Lobes and Beam Squint From f1 to 2f1 Frequency Range”, IEEE ISAP 2023, Kuala Lumpur, Malaysia.
B. Kang, H. Choi, C. Lee, J. Huh, B. Kang, Y. Youn, and W. Hong, “Active Reconfigurable Intelligent Surface Utilizing Liquid Crystal for 5G Communication”, iMiD 2023, Busan, Korea.
D. Kim, Y. Youn, C. Lee, M. Hwang, J. Lee, S. Ko, and W. Hong, “Blockage Effect Mitigation Phase Mapping for RIS-assisted Wireless Networks”, IEEE AP-S/URSI 2023, Portland, OR.
H. Choi, B. Kang, C. Lee, B. Kang, Y. Youn, and W. Hong, “Component-level and system-level evaluations of metasurface on glass for 5G indoor communications”, IEEE AP-S/URSI 2023, Portland, OR.
D. Lee, J.Y. Lee, K. Lee, M. Kim, M. Kim, Y. Youn, H.-J. Song, and W. Hong, “Design, Fabrication, and Far-Field Measurement of FoWLP-based Tightly Coupled Antenna Modules Integrated with CMOS Chipset for mmWave Applications.” IEEE MTT-S IMS 2023, San Diego, CA, Jun. 2023.
B. Kang, H. Choi, C. Lee, B. Kang, Y. Youn, and W. Hong, “Tunability of Reconfigurable Intelligent Surface (RIS) using Liquid Crystal (LC) according to various bias voltage levels”, SID Display Week 2023, Los Angeles, CA, May, 2023.
M. Hwang, Y. Youn, C. Lee, D. Kim, D. An, and W. Hong, “Wireless Channel-Adaptive Sensor-Integrated Reconfigurable Intelligent Surface Based on Deep Neural Network”, IEEE iWAT 2023, Aalborg, Denmark, May 2023. (2nd Best Conference Paper Award)
D. Jun, Y. Youn, C. Lee, M. Hwang, C-B. Chae, and W. Hong, “Real-time Implementation of Semi-active Reconfigurable Intelligent Surfaces for mmWave and Sub-THz Systems”, IEEE CCNC 2023, Las Vegas, NV, Jan. 2023.
S. Chang, Y. Youn, and W. Hong, “Scan Angle Extending Lenses Using Multiple-Boundaries”, IEEE ISAP 2022, Sydney, Australia, Oct. 2022. (Invited Paper)
C. Lee, D. Jun, M. Hwang, D. Kim, Y. Youn, S. Chang, D. An, S. Park, C-B. Chae, and W. Hong, “28 GHz 5G OTA Test Using Optically-Transparent Reflective Surface Fabricated by Electroforming”, IEEE ISAP 2022, Sydney, Australia, Oct. 2022.
M. Hwang, Y. Youn, S. Chang, D. Kim, C. Lee, D. An, and W. Hong, “Sensor-Integrated RIS Unit Element Featuring Mutual Coupling Reduction”, IEEE RFIT 2022, Busan, Korea, Aug. 2022. (Best Paper Finalist)
J. Ahn, M. Hwang, Y. Youn, and W. Hong, “An Accurate and Instantaneous Permittivity Measurement Using Modified Multi-Line Method”, IEEE RFIT 2022, Busan, Korea, Aug. 2022.
D. Kim, Y. Youn, S. Chang, C. Lee, M. Hwang, J.Y. Lee, and W. Hong, “Characterization of Nematic Liquid Crystal using Complementary FSS in D-band”, IEEE AP-S/URSI 2022, Denver, CO, Jul. 2022.
D. Lee, B. Kim, J.Y. Lee, Y. Youn, M. Kim, and W. Hong, “Wideband and Dual-polarized Transparent Antenna-on-Display using Via-less and Single-Layer Topology for mmWave Wireless Communication”, IEEE AP-S/URSI 2022, Denver, CO, Jul. 2022.
B. Kang, Y. Youn, S. Chang, D. Kim, H. Choi, C. Kim, and W. Hong, “Glass‐embedded Electromagnetic Surface for Energy‐Saving Future Wireless Communication”, SID Display Week 2021, San Jose, CA, May, 2021.
D. Lee, Y. Youn, B. Kim, and W. Hong, “Antenna-On-Display (AoD) for Near, Mid-and Long-Range Wireless Applications”, EuCAP 2022, Madrid, Spain, Apr. 2022. (Invited Paper)
D. Kim, M. Kim, Y. Youn, S. Chang, J. Kim, and W. Hong, “Enhanced Microwave Heating Uniformity using Reconfigurable Fresnel Zone Plate”, IEEE AP-S/URSI 2021, Singapore, Dec. 2021.
S. Chang, Y. Youn, C. Lee, D. Kim, B. Kang, H. Choi, C. Kim, and W. Hong, “An Optically Transparent Glass Absorber using a Multi-Fractal Ring Structure for Ka-band”, IEEE AP-S/URSI 2021, Singapore, Dec. 2021.
J.Y. Lee, J. Choi, D. Choi, Y. Youn, and W. Hong, “Consideration of the Feeding Networks for Measurement of mmWave/Sub-THz SoP/SoC/SoD Antennas in 5G and 6G”, IEEE AMTA 2021, Daytona Beach, FL, USA, Dec. 2021.
J.Y. Lee, J. Choi, D. Choi, Y. Youn, J. Park, and W. Hong, “FR-4 PCB process-based mm-wave phased array antenna using planar high-impedance surfaces”, EuMC 2020, Utrecht, Netherlands, Jan. 2021.
J.Y. Lee, D. Choi, Y. Youn, K. Kong, J. Yun, W. Kwon, and W. Hong, “Design and measurement considerations of feeding network including power divider for multi-port antenna arrays”, IEEE CAMA 2019, Bali, Indonesia, Oct. 2019.
J. Choi, J. Park, Y. Youn, W. Hwang, and W. Hong, “Frequency-Reconfigurable mmWave Antenna Loaded with Capacitive Structure Integrated within a Microstrip Line”, IEEE AP-S/URSI 2019, Atlanta, GA, USA, Jul. 2019.
J.Y. Lee, S. Jung, Y. Youn, J. Park, W. Kwon, and W. Hong, “Optically Transparent 1-D EBG Antenna Using Sub-Skin Depth Thin-Film Alloy in the Ka-Band”, EuCAP 2019, Krakow, Poland, Apr. 2019.
S.Y. Lee, D. Choi, Y. Youn, and W.Hong, “Electrical characterization of highly efficient, optically transparent nanometers-thick unit cells for antenna-on-display applications.” IEEE MTT-S IMS 2018, Philadelphia, PA, Jun. 2018.
J. Bae, S. Min, and Y. Youn, “Single-Layer Wideband Resistive Absorber Using Corner-Perforated Dielectric Substrate”, 2026 Korean Institute of Electromagnetic and Science Winter Symposium, Jeju, Korea, Feb. 2026.
S. Min, B. Kim, and Y. Youn, “Harmonic Suppression Using an Open-Circuited Stub for mmWave Dual-Band Mobile Antenna”, 2026 Korean Institute of Electromagnetic and Science Winter Symposium, Jeju, Korea, Feb. 2026.
S. Min, B. Kim, and Y. Youn, “5G mmWave Dual-Band Mobile Antenna with Return Current Path Reconfiguration”, 2025 Korean Institute of Electromagnetic and Science Summer Symposium, Pyeongchang, Korea, Aug. 2025.
B. Kim, S. Min, and Y. Youn, “Wideband mmWave Circular Stacked Patch Antenna with Mutual Coupling Suppression”, 2025 Korean Institute of Electromagnetic and Science Summer Symposium, Pyeongchang, Korea, Aug. 2025.
T. Yoo, J. Bae, and Y. Youn, “Low-Profile Wideband sub-THz Electromagnetic Absorber using Screen-Printing”, 2025 Korean Institute of Electromagnetic and Science Summer Symposium, Pyeongchang, Korea, Aug. 2025.
J. Bae, T. Yoo, and Y. Youn, “mmWave Wideband Electromagnetic Absorber based on Metal Mesh Electrodes and Fractal Rings”, 2025 Korean Institute of Electromagnetic and Science Summer Symposium, Pyeongchang, Korea, Aug. 2025.
Y. Youn, “Channel Matrix Manipulation using Electromagnetic Skins for mmWave and sub-THz Wireless Communication”, 2025 Korean Institute of Electromagnetic and Science Winter Symposium, Jeju, Korea, Feb. 2025.
Y. Youn, D. Kim, D. An, and W. Hong, “Electromagnetic-Thermal Co-Analysis for Transmission Loss Mitigation FSS”, 2024 Korean Institute of Electromagnetic and Science Fall Symposium, Seoul, Korea, Nov. 2024.
Y. Youn, D. Kim, S. Chang, and W. Hong, “Unidirectional Cloaking Frequency Selective Surface based on Scattering Mitigation”, 2022 Korean Institute of Electromagnetic and Science Fall Symposium, Seoul, Korea, Nov. 2022.
Y. Youn, D. Kim, S. Chang, and W. Hong, “Dome-shaped mmWave Integrated Lens Antenna for Wide-angle Scanning and Scan Loss Mitigation using sequential GO and multiple Scattering”, 2022 Korean Institute of Electromagnetic and Science Winter Symposium, Pyeongchang, Korea, Feb. 2022. (Best Paper Award in Student Paper Competition)
Y. Youn, J. Choi, A.A. Omar, D. Kim, S. Ko, J. Lee, Y. Lee, and W. Hong, “PSO-aided wide beam coverage ILA design for scan loss mitigation”, 2020 Korean Institute of Electromagnetic and Science Summer Symposium, Jeju, Korea, Aug. 2020.
Y. Youn, and W. Hong, “Reconfigurable Near-field Beamformer consisting of 2-bit PFSS”, 2019 Korean Institute of Electromagnetic and Science Summer Symposium, Jeju, Korea, Aug. 2019.
Y. Youn, and W. Hong, “Design of Unit Cell for Low-Power Consumption Beamforming by utilizing Fabry-Perot Resonator”, 2017 Korean Institute of Electromagnetic and Science Annual Symposium, Seoul, Korea, Nov. 2017.
S. Park, Y. Youn, and W. Hong, “Improvement of frequency-selective characteristics through the coupling of cavity-resonators”, 2023 Korean Institute of Electromagnetic and Science Summer Conference, Goseong, Korea
S. Pandit, D. Kim, Y. Youn, and W. Hong, “Frequency Tunable Sub-Terahertz Absorber”, 2023 Korean Institute of Electromagnetic and Science Summer Conference, Goseong, Korea
D. Kim, Y. Youn, C. Lee, M. Hwang, D. An, J. Choi, J. Ma, I. Kong, W. Kim, and W. Hong, “Characterization of Nematic Liquid Crystal Dielectric Properties using Complementary FSS in Sub-THz”, 2023 Korean Institute of Electromagnetic and Science Summer Conference, Goseong, Korea
D. Kim, Y. Youn, M. Hwang, D. An, and W. Hong, “Dual-polarized metasurface verification injecting 5 μm liquid crystal”, 2023 Korean Institute of Electromagnetic and Science Summer Conference, Goseong, Korea
C. Lee, Y. Youn, M. Hwang, D. An, D. Kim, S. Chang, and W. Hong, “Field Test Results and Deployment Strategy of Transparent Frequency Selective Surface for Sub-6 GHz 5G Outdoor-to-Indoor Link”, 2022 Korean Institute of Electromagnetic and Science Summer Symposium, Jeju, Korea, Aug. 2022
D. Kim, Y. Youn, C. Lee, S. Chang and W. Hong, “Blockage Mitigation Frequency Selective Surface using Scattering Cancellation”, 2021 Korean Institute of Electromagnetic and Science Summer Symposium, Jeju, Korea, Aug. 2021.
S. Chang, D. Kim, Y. Youn, and W. Hong, “Glass-embedded Reflectarray consisting of Miniaturized Fractal Unit Cell with 2-bit Phase Quantization”, 2021 Korean Institute of Electromagnetic and Science Winter Symposium, Yeosu, Korea, Feb. 2021. (Best Paper Award in Exhibition Competition)
D. Kim, M. Kim, Y. Youn, J. Kim, and W. Hong, “Microwave heating uniformity enhancement using reconfigurable diffractive beamforming surface”, 2021 Korean Institute of Electromagnetic and Science Winter Symposium, Yeosu, Korea, Feb. 2021.
J. Lee, Y. Youn, J. Choi, K. Kong, and W. Hong, “FR-4 PCB Process-based mm-Wave 5G Phased Array Antenna”, 2020 Korean Institute of Electromagnetic and Science Summer Symposium, Jeju, Korea, Aug. 2020.
J. Lee, J. Choi, J. Park, Y. Youn, A.A. Omar, and W. Hong, “Design and Measurement Consideration of Feeding Network for mm-Wave RF Devices”, 2020 Korean Institute of Electromagnetic and Science Summer Symposium, Jeju, Korea, Aug. 2020.
J. Lee, D. Choi, J. Choi, Y. Youn, J. Yun, and W. Hong, “FR-4 PCB Process-based mm-Wave 5G Phased Array Antenna”, 2020 Korean Institute of Electromagnetic and Science Winter Symposium, Jeongseon, Korea, Feb. 2020.
J. Choi, J. Park, Y. Youn, W. Kwon, W. Hwang, and W. Hong, “Frequency-Adjustable 5G Millimeter Wave Antenna System”, 2019 Korean Institute of Electromagnetic and Science Summer Symposium, Jeju, Korea, Aug. 2019.