Emeritus Professors

陳士元 Chen, Shih-Yuan

  • Professor, Department of Electrical Engineering, National Taiwan University
  • Ph.D. , National Taiwan University, 2005
  • M.S. , National Taiwan University, 2002
  • B.S. E.E., National Taiwan University, 2000
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Major Research Areas

Antennas, microwave and millimeter-wave circuits

Research Summary

  1. Analysis and design of phased arrays.

  2. Development of multiferroic antennas

  3. Cryogenic microwave circuits and sub-systems for electron-spin-based quantum computing 

  4. Microwave imaging and scattering analysis

    Shih-Yuan Chen received his B.S. degree in electrical engineering and his M.S. and Ph.D. degrees in communication engineering from the National Taiwan University (NTU), Taipei, Taiwan, in 2000, 2002, and 2005, respectively.

    From 2005 to 2006, Dr. Chen had been a post doctorate research fellow with the Graduate Institute of Communication Engineering (GICE), NTU. Since 2006, he joined the faculty of the Department of Electrical Engineering and GICE, NTU, where he is currently a professor. Dr. Chen had visited the Department of Electrical and Computer Engineering at the Michigan State University from 2008 to 2009, and the Department of Electrical and Computer Engineering at the University of California, Los Angeles, from August 2023 to July 2024. His current research interests include the design and analysis of multiferroic antennas, reconfigurable antennas, phased arrays, reflectarrays, transmitarrays, cryogenic microwave circuits for spin-based quantum computing, and microwave imaging.

    Dr. Chen received the NTU Outstanding Mentoring Award in 2020, the NTU Excellent Teaching Awards in 2009, 2010, 2012-2015, and 2021-2023. He also received the 2012 International Symposium on Antennas and Propagation Young Scientist Travel Grant, the 2013/2014 Top 10 Reviewers of IEEE Transactions on Antennas and Propagation, the Ministry of Science and Technology Research Projects for Excellent Young Scholars in 2012, 2015, and 2017, and the Outstanding Associate Editor of IEEE Antennas and Wireless Propagation Letters in 2020. He is a member of the Education Committee of IEEE AP society and was an Associate Editor of IEEE Antennas and Wireless Propagation Letters and Chairperson of IEEE AP-S Taipei Chapter. Dr. Chen is a Senior Member of the IEEE, Member of IET, and a member of Commission B of URSI.

Journal articles & book chapters Conference & proceeding papers Patents
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Journal articles & book chapters

1. H.-J. Yang, T.-Y. Lin, and S.-Y. Chen, “Indoor Millimeter-Wave Imaging Based on Sparsity Estimated Compressed Sensing and Calibrated Point Spread Function” , IEEE Antennas and Wireless Propagation Letters , Vol. vol. 23, no. 6, pp. 1680-1684 , Jun. 2024

2. S.-M. Huang, Y.-T. Tsai, H. Chen, C.-S. Shen, L.-Y. Kung, and S.-Y. Chen, “ArrayEd: A Simple Beam-Visualization System for Understanding Phased Array” , IEEE Antennas and Propagation Magazine , Vol. vol. 66, no. 6 , 64-67, Dec. 2024

3. L.-C. Ippet-Letembet, R.-F. Xu, R. Jeanty, Z. Yao, R. N. Candler, and S.-Y. Chen, “Modeling of Multiferroic Antennas in the Akhiezer Regime: Effects of Acoustic Resonator Excitation and Topology on Radiation” , IEEE Transactions on Antennas and Propagation , Vol. vol. 72, no. 12, pp. 9058-9071 , Dec. 2024

4. C.-P. Yeang, S.-Y. Chen, Y.-Y. Chan, and J. Z. Buchwald, “Reinterpreting Hertz’s Discovery of Electric Waves” , IEEE Antennas and Propagation Magazine , Vol. vol. 66, no. 1, pp. 73-85 , Feb. 2024

5. H.-P. Liao, Y.-T. Tsai, and S.-Y. Chen, “A Lightweight Broadband Circularly Polarized Stacked Patch Antenna Formed by Meshed Aluminum Disks for Inter-Satellite Communication” , IEEE Antennas and Wireless Propagation Letters , Vol. vol. 23, no. 4, pp. 1326-1330 , Apr. 2024

6. R. Jeanty and S.-Y. Chen, “A Broadband Bidirectional Circularly Polarized Phase-Inverter-Based Periodic Leaky-Wave Antenna with Same Handedness” , IEEE Access , Vol. vol. 11 , 106760-106771, Sep. 2023

7. R.-F. Xu, L.-C. Ippet-Letembet, S. Tiwari, Z. Yao, S.-M. Huang, R. N. Candler, and S.-Y. Chen, “Experimental validation of multiferroic antennas in GHz frequency range” , Applied Physics Letters , Vol. 123 , 162902-, Oct. 2023

8. L.-C. Chang, Y.-H. Lin, S.-Y. Chen, H.-T. Chou, and H. Wang, “A Duplexing Hybrid Slot Antenna Design with High-Isolation for Short-Range Radar Detection and Identification Applications at 24 GHz Band” , IEEE Transactions on Antennas and Propagation , Vol. vol. 70, no. 4 , pp. 2468-2479-, Apr. 2022

9. Y.-Y. Chan and S.-Y. Chen, “Generalized Equivalent Circuit Model of a Split-Ring-Loaded Dipole Reflectarray Unit Cell under TE Oblique Incidence” , IEICE Communications Express , Vol. vol. 11, no. 6 , 284-289, Jun. 2022

10. Y.-C. Chang, I. Huang, C.-Y. Chen, M.-J. Lin, S.-Y. Chen, and J.-Y. Li, “Electron-spin-resonance meanderlines for effective spin control in Si quantum dots for large-scale qubit applications” , Applied Physics Letters , Vol. 119, 243503 , Dec. 2021

11. C.-H. Tsai, J. Chang, L.-Y. Ou Yang, and S.-Y. Chen, “Dual-Probe Probe- and Phase-Compensated Reflection-Coefficient-Only Three-Dimensional Microwave Holographic Imaging” , IEEE Transactions on Antennas and Propagation , Vol. vol. 67, no. 3 , pp. 1884-1897-, Mar. 2019

12. C.-H. Tsai, J. Chang, L.-Y. Ou Yang, and S.-Y. Chen, “Three-Dimensional Microwave Holographic Imaging with Probe and Phase Compensations” , IEEE Transactions on Antennas and Propagation , Vol. vol. 66, no. 1 , pp. 368-380-, Jan. 2018

13. H.-J. Huang, C.-H. Tsai, C.-P. Lai, and S.-Y. Chen, “Frequency-Tunable Miniaturized Strip Loop Antenna Fed by a Coplanar Strip” , IEEE Antennas and Wireless Propagation Letters , Vol. vol. 15 , 1000-1003, Mar. 2016

14. S.-C. Yang, H.-C. Lin, T.-M. Liu, J.-T. Lu, W.-T. Hung, Y.-R. Huang, Y.-C. Tsai, C.-L. Kao, S.-Y. Chen, and C.-K. Sun, “Efficient Structure Resonance Energy Transfer from Microwaves to Confined Acoustic Vibrations in Viruses” , Scientific Reports , Vol. 5, 18030 , Dec. 2015

15. L.-Y. Ou Yang, C.-H. Tsai, and S.-Y. Chen, “A Planar and Subwavelength Open Guided Wave Structure Based on Spoof Surface Plasmons” , IEEE Photonics Journal , Vol. vol. 6, no. 6 , Dec. 2014

16. W.-T. Hung, J.-J. Tung, and S.-Y. Chen, “A Focusing Reflectarray and Its Application in Microwave Virus Sanitizer” , Radio Science , Vol. vol. 49, no. 10 , pp. 890-898-, Oct. 2014

17. S.-C. Chiu, L.-Y. Ou Yang, C.-P. Lai, and S.-Y. Chen, “Compact CRLH Asymmetric-CPS Resonant Antenna with Frequency Agility” , IEEE Transactions on Antennas and Propagation , Vol. vol. 62, no. 2 , pp. 527-534-, Feb. 2014

18. S.-A. Yang, C.-C. Chang, L.-Y. Fang, B. Tsai, and S.-Y. Chen, “Rattlesnake Antenna System” , IEEE Antennas and Propagation Magazine , Vol. vol. 55, no. 4 , pp. 232-243-, Aug. 2013

19. S.-C. Chiu, C.-P. Lai, and S.-Y. Chen, “Compact CRLH CPW Antennas Using Novel Termination Circuits for Dual-Band Operation at Zeroth-Order Series and Shunt Resonances” , IEEE Transactions on Antennas and Propagation , Vol. vol. 61, no. 3 , pp. 1071-1080-, Mar. 2013

20. C.-P. Lai, S.-C. Chiu, P. Hsu, and S.-Y. Chen, “On The Fundamental Resonance of Slot Loop Antenna Inductively Fed by a Coplanar Waveguide” , IEEE Transactions on Antennas and Propagation , Vol. vol. 61, no. 12 , pp. 6191-6195-, Dec. 2013

21. Z.-M. Tsai, Y.-C. Wu, S.-Y. Chen, T. Lee, and H. Wang, “A V-Band On-Wafer Near-Field Antenna Measurement System Using an IC Probe Station” , IEEE Transactions on Antennas and Propagation , Vol. vol. 61, no. 4 , pp. 2058-2067-, Apr. 2013

22. C.-P. Lai, S.-C. Chiu, and S.-Y. Chen, “Miniaturization of CPW-Fed Slot Antennas Using Reactive Terminations and Truncated Bilateral Ground Plane” , IEEE Antennas and Wireless Propagation Letters , Vol. vol. 11 , pp. 1072-1075-, Sep. 2012

23. Y.-S. Chen, Y.-C. Chan, H.-J. Li, E. J. Rothwell, R. O. Ouedraogo, and S.-Y. Chen, “A Self-Structuring Electromagnetic Scatterer” , IEEE Transactions on Antennas and Propagation , Vol. vol. 60, no. 4 , pp. 1931-1941-, Apr. 2012

24. Y.-J. Lu, S.-Y. Chen, and P. Hsu, “A Differential-Mode Wideband Bandpass Filter with Enhanced Common-Mode Suppression Using Slotline Resonator” , IEEE Microwave and Wireless Components Letters , Vol. vol. 22, no. 10 , pp. 503-505-, Oct. 2012

25. Y.-R. Huang, H.-P. Chen, P.-C. Chiu, J.-I. Chyi, B.-H. Wang, S.-Y. Chen, and C.-K. Sun, “Propagation, Resonance, and Radiation on Terahertz Optoelectronic Integrated Circuits” , IEEE Photonics Journal , Vol. vol. 4, no. 3 , pp. 699-706-, Jun. 2012

26. Y.-S. Chen, S.-Y. Chen, and H.-J. Li, “A Novel Dual-Antenna Structure for UHF RFID Tags” , IEEE Transactions on Antennas and Propagation , Vol. vol. 59, no. 11 , pp. 3950-3960-, Nov. 2011

27. C.-P. Lai, S.-C. Chiu, H.-J. Li, and S.-Y. Chen, “Zeroth-Order Resonator Antennas Using Inductor-Loaded and Capacitor-Loaded CPWs” , IEEE Transactions on Antennas and Propagation , Vol. vol. 59, no. 9 , pp. 3448-3453-, Sep. 2011

28. Raoul O. Ouedraogo, Edward J. Rothwell, Shih-Yuan Chen, and Andrew Temme, “A Self-Tuning Electromagnetic Shutter” , IEEE Transactions on Antennas and Propagation , Vol. vol. 59, no. 2 , pp. 513-519-, Feb. 2011

29. Y.-C. Chen, S.-Y. Chen, and P. Hsu, “A Modified CPW-Fed Slot Loop Antenna with Reduced Cross-Polarization and Size” , IEEE Antennas and Wireless Propagation Letters , Vol. vol. 10 , pp. 1124-1126-, Oct. 2011

30. Y.-C. Chen, S.-Y. Chen, and P. Hsu, “Modification of Radiation Patterns of First Harmonic Mode of Slot dipole for Dual-Frequency Operation” , IEEE Transactions on Antennas and Propagation , Vol. vol. 59, no. 7 , pp. 2707-2710-, Jul. 2011

31. Ju-Hung Chen, Shih-Yuan Chen, and Powen Hsu, “Leakage-Reduced Conductor-Backed Coplanar Waveguide With Periodic Structures and its Antenna Application” , IEEE Transactions on Antennas and Propagation , Vol. vol. 59, no. 6, part 2 , pp. 2078-2086-, Jun. 2011

32. Y.-S. Chen, S.-Y. Chen, and H.-J. Li, “Analysis of Antenna Coupling in Near-Field Communication Systems” , IEEE Transactions on Antennas and Propagation , Vol. vol. 58, no. 10 , pp. 3327-3335-, Oct. 2010

33. R. O. Ouedraogo, E. J. Rothwell, S.-Y. Chen, and B. J. Greetis, “An Automatically Tunable Cavity Resonator System” , IEEE Transactions on Microwave Theory and Techniques , Vol. vol. 58, no. 4 , pp. 894-902-, Apr. 2010

34. Raoul O. Ouedraogo, Edward J. Rothwell, Alejandro Diaz, Shih-Yuan Chen, Andrew Temme, and Kazuko Fuchi, “In Situ Optimization of Metamaterial-Inspired Loop Antennas” , IEEE Antennas and Wireless Propagation Letters , Vol. vol. 9 , pp. 75-78-, Mar. 2010

35. You-Chieh Chen, Shih-Yuan Chen, and Powen Hsu, “A compact triband bow-tie slot antenna fed by a coplanar waveguide” , IEEE Antennas and Wireless Propagation Letters , Vol. vol. 9 , pp. 1205-1208-, Dec. 2010

36. Shih-Yuan Chen, “Broadband Slot-Type Bruce Array Fed by a Microstrip-to-Slotline T-Junction” , IEEE Antennas and Wireless Propagation Letters , Vol. vol. 8 , pp. 116-119-, 2009

37. C.-H. Lee, S.-Y. Chen, and P. Hsu, “Isosceles triangular slot antenna for broadband dual polarization applications” , IEEE Trans. Antennas Propag. , Vol. vol. 57, no. 10 , pp. 3347-3351-, Oct. 2009

38. C.-H. Lee, S.-Y. Chen, and P. Hsu, “Integrated dual planar inverted-F antenna with enhanced isolation” , IEEE Antennas and Wireless Propagation Letters , Vol. vol. 8 , pp. 963-965-, Sep. 2009

39. C.-H. Lee, S.-Y. Chen, and P. Hsu, “Efficiency-enhanced and size-reduced coupled twin slots capacitively fed by conductor-backed coplanar waveguide” , IEEE Antennas and Wireless Propagation Letters , Vol. vol. 8 , pp. 1033-1035-, Sep. 2009

40. C.-H. Wu, C.-H. Wang, S.-Y. Chen, and C.-H. Chen, “Balanced-to-Unbalanced Bandpass Filters and the Antenna Application” , IEEE Transactions on Microwave Theory and Techniques , Vol. vol. 56, no. 11, part 1 , pp. 2474-2482-, Nov. 2008

41. I-C. Lan, S.-Y. Chen, and P. Hsu, “Coupled twin slots fed by conductor-backed coplanar waveguide” , IEEE Transactions on Antennas and Propagation , Vol. vol. 56, no. 6 , pp. 1784-1786-, Jun. 2008

42. S.-Y. Chen, Y.-C. Chen, and P. Hsu, “CPW-fed Aperture-Coupled Slot Dipole Antenna for Tri-Band Operation” , IEEE Antennas and Wireless Propagation Letters , Vol. vol. 7 , pp. 535-537-, 2008

43. J.-H. Chen, C.-J. Ho, C.-H. Wu, S.-Y. Chen, and P. Hsu, “Dual-Band Planar Monopole Antenna for Multi-Band Mobile Systems” , IEEE Antennas and Wireless Propagation Letters , Vol. vol. 7 , pp. 769-772-, 2008

44. S.-Y. Chen, I-C. Lan, and P. Hsu, “In-Line Series-Feed Collinear Slot Array Fed by a Coplanar Waveguide” , IEEE Transactions on Antennas and Propagation , Vol. vol. 55, no. 6 , pp. 1739-1744-, Jun. 2007

45. S.-Y. Chen, P.-H. Wang, and P. Hsu, “Uniplanar log-periodic slot antenna fed by a CPW for UWB applications” , IEEE Antennas and Wireless Propagation Letters , Vol. vol. 5 , pp. 256-259-, 2006

46. S.-Y. Chen and P. Hsu, “Broad-band radial slot antenna fed by coplanar waveguide for dual-frequency operation” , IEEE Transactions on Antennas and Propagation , Vol. vol. 53, no. 11 , pp. 3448-3452-, Nov. 2005

47. S.-Y. Chen and P. Hsu, “Open-ended rampart slot array antenna fed by a CPW” , IEEE Antennas and Wireless Propagation Letters , Vol. vol. 4 , pp. 320-322-, 2005

48. S.-Y. Chen and P. Hsu, “CPW-fed folded-slot antenna for 5.8 GHz RFID tags” , IEE Electronics Letters , Vol. vol. 40, no. 24 , pp. 1516-1517-, Nov. 2004

49. M.-C. Tien, H.-H. Chang, J.-Y. Lu, L.-J. Chen, S.-Y. Chen, R.-B. Wu, W.-S. Liu, J.-I. Chyi, and C.-K. Sun, “Device saturation behavior of submillimeter-wave membrane photonic transmitters” , IEEE Photonics Technology Letters , Vol. vol. 16, no. 3 , pp. 873-875-, Mar. 2004

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Conference & proceeding papers:

1. C.-C. Lin, H.-J. Yang, T.-Y. Lin, P.-C. Yu, and S.-Y. Chen, “Experimental Validation of Uniformly Undersampled Imaging in 6G D-Band with Interpolation Techniques” , The 16th German Microwave Conference , Dresden, Germany , Mar. 2025

2. S.-W. Wu, K.-H. Mao, R. Jeanty, Z.-H. Fu, K.-Y. Lin, S.-Y. Chen, “A Fixed-Frequency Beam Scanning Circularly Polarized Leaky-Wave Antenna Based on Half-Mode Substrate Integrated Waveguide” , The 19th European Conference on Antennas and Propagation , Stockholm, Sweden , Apr. 2025

3. B.-J. Chen, Y.-T. Tsai, and S.-Y. Chen, “A mmWave Polarization-Dependent Simultaneously Transmitting and Reflecting Reconfigurable Intelligent Surface Based on a Novel Independent 1-Bit Phase-Agile Unit Cell” , The 19th European Conference on Antennas and Propagation , Stockholm, Sweden , Apr. 2025

4. B.-J. Chen, Y.-T. Tsai, S.-Y. Yang, S.-M. Liao, C.-M. Hsu, C.-C. Huang, K.-C. Liao, and S.-Y. Chen, “Dynamic Programming-Based Beam Codebook Design for mmWave Multi-Antenna Module in Mobile Devices” , 17th European Conference on Antennas and Propagation , Glasgow, Scotland, pp. 3424-3428 , Mar. 2024

5. B.-T. Lin, S.-W. Wu, and S.-Y. Chen, “DC Bias Routing Design for Wideband Reconfigurable Transmitarray Based on 1-Bit Phase-Switching Elements” , 17th European Conference on Antennas and Propagation , Glasgow, Scotland, pp. 3524-3528 , Mar. 2024

6. S.-Y. Chen, I. Huang, M.-J. Lin, J.-Y. Li, and S.-Y. Chen, “A DC to 67-GHz 40-nm CMOS SP4T Switch for Cryogenic S-Parameter Measurement and Calibration” , The 19th European Microwave Integrated Circuits Conference , Paris, France , Sep. 2024

7. S.-W. Wu, I. Huang, R. Jeanty, Z.-H. Fu, K.-Y. Lin, and S.-Y. Chen, “A Miniaturized Microstrip-Based Phase Inverter as a Phase Delay Component at 24 GHz” , 2024 International Symposium on Antennas and Propagation , Incheon, Korea , Nov. 2024

8. I. Huang, L.-Y. Kung, and S.-Y. Chen, “Multi-Layered Proximity Probe-Fed E-Shaped Patch Antenna Array for Terahertz Imaging System” , 17th European Conference on Antennas and Propagation , Florence, Italy , Mar. 2023

9. T.-Y. Lin, H.-J. Yang, and S.-Y. Chen, “Equidistant Sub-Nyquist 3-D Microwave Imaging Using Rational Thin-Plate Spline Interpolation” , 17th European Conference on Antennas and Propagation , Florence, Italy , Mar. 2023

10. Y.-T. Chen, I. Huang, M.-J. Lin, S.-Y. Chuang, H. L. Ho, K.-S. Hsu, P.-Y. Lin, L.-H. Lu, S.-Y. Chen, J.-Y. Li, and J.-C. Chien, “A Thru-Reflect-Series-Resistance (TRS) Calibration for Cryogenic Device Characterization in 40-nm CMOS Technology” , IEEE MTT-S International Microwave Symposium , San Diego, CA , Jun. 2023

11. T.-C. Su, S.-Y. Yang, H. Cheng, Y.-T. Tsai, S.-M. Huang, and S.-Y. Chen, “3-D Positioning for Drone-Based Spatially Reconfigurable Phased Array” , IEEE International Conference on Antenna Measurements and Applications , Genoa, Italy , Nov. 2023

12. H. Cheng, S.-Y. Yang, T.-C. Su, Y.-T. Tsai, S.-M. Huang, and S.-Y. Chen, “Two-Dimensional Positioning and Phase Synchronization System for Drone-Based Spatially Reconfigurable Phased Array” , IEEE International Conference on Antenna Measurements and Applications , Genoa, Italy , Nov. 2023

13. B.-T. Lin and S.-Y. Chen, “Reconfigurable Wideband PIN-Diode-Loaded 1-Bit Unit Cell for Beam-Steering Transmitarray” , IEEE International Conference on Antenna Measurements and Applications , Guangzhou, China , Dec. 2022

14. C.-P. Yeang, K.-H. Cheng, H.-Y. Tsao, Y.-Y. Chan, and S.-Y. Chen, “What Can We Learn from Replicating Hertz’s Electromagnetic-Wave Experiment?” , 2021 International Symposium on Antennas and Propagation , Taipei, Taiwan , Oct. 2021

15. H.-C. Chen and S.-Y. Chen, “Analysis of Truncation Error in 3-D Microwave Holographic Imaging” , 2021 International Symposium on Antennas and Propagation , Taipei, Taiwan , Oct. 2021

16. K.-T. Chen, H.-P. Liao, and S.-Y. Chen, “Design of Dual-Band Miniaturized Loop Antenna for Harmonic Radar Transponder” , 2021 International Symposium on Antennas and Propagation , Taipei, Taiwan , Oct. 2021

17. Y.-Y. Chan and S.-Y. Chen, “Independent Dual-LP Reflectarray Unit Cell Based on Crossed Dipoles with Split Rings” , 2021 International Symposium on Antennas and Propagation , Taipei, Taiwan , Oct. 2021

18. S.-M. Huang, W.-C. Chen, Y.-T. Tsai, E. F. Wu, and S.-Y. Chen, “UMPS: Ultrasound-Microwave-Fused Phase Synchronization for UAV-Based Phased Arrays” , 2021 Asia Pacific Microwave Conference , Brisbane, Australia , Nov. 2021

19. Y.-L. Li, S.-W. Wu, and S.-Y. Chen, “Simplified Transmitarray Unit Cell for 1-Bit Beam-Steering Operation” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Montréal, Quebec, Canada , Jul. 2020

20. I. Huang, C.-L. Liao, and S.-Y. Chen, “Dual-Linearly-Polarized Printed Dual-Dipole Antenna Array for Polarimetric Radar Application” , 2020 IEEE International Workshop on Electromagnetics (iWEM 2020) , Penghu, Taiwan , Aug. 2020

21. H. Chen and S.-Y. Chen, “Brewster Angle and Vanishing Polarization of Wave Reflected by Conductor-Backed Water Slab” , European Conference on Antennas and Propagation , Copenhagen, Denmark , Mar. 2020

22. H. Chen and S.-Y. Chen, “Polarization-Reconfigurable Patch Antenna-on-Package for Millimeter-Wave Operations with DC Bias Circuit Design” , European Conference on Antennas and Propagation , Copenhagen, Denmark , Mar. 2020

23. S.-W. Wu, K.-Y. Lin, and S.-Y. Chen, “Modified Binomial Power Distribution Beamformer for Switched-Beam Circular Array” , European Conference on Antennas and Propagation , Copenhagen, Denmark , Mar. 2020

24. Hsu-Chi Chen and Shih-Yuan Chen, “Enhanced Phase Compensation Method for 3-D Microwave Holographic Imaging” , IEEE Asia-Pacific Conference on Antennas and Propagation , Incheon, Korea , Aug. 2019

25. Robin Jeanty and Shih-Yuan Chen, “Parasitic Phase Contribution of A Double-Sided Parallel Stripline Phase Inverter” , IEEE Radio and Antenna Days of the Indian Ocean (RADIO) , Reunion Island, France , Sep. 2019

26. T.-Y. Hsia, L.-Y. Ou Yang, Z.-M. Tsai, and S.-Y. Chen, “Differential Low Noise Amplifier for S-Band Phased-Array Radar in 0.18-µm CMOS Technology” , 2019 Asia-Pacific Microwave Conference , Singapore , Dec. 2019

27. H.-P. Liao and S.-Y. Chen, “Bandwidth and Gain Enhancement of CPW-Fed Slot Antenna Using A Partially Reflective Surface Formed by Two-Step Tapered Dipole Unit Cells” , 2019 Asia-Pacific Microwave Conference , Singapore , Dec. 2019

28. C.-L. Liao and S.-Y. Chen, “Compact Printed Dual-Dipole Antenna with a New T-Shaped Feeding Structure for Dual Broadband Operation” , 2019 Asia-Pacific Microwave Conference , Singapore , Dec. 2019

29. Shih-Yuan Chen, “Seeing is Believing: The Way We Teach Polarization of EM Waves in NTU” , URSI Commission B International Symposium on Electromagnetic Theory , San Diego, CA , May 2019

30. R. Jeanty and S.-Y. Chen, “A Compact Broadband Phase-Inverter-Based Two-Section Forward Coupler for Sub-6-GHz Band” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Atlanta, GA , Jul. 2019

31. H. Chen, S.-Y. Chen, and J. Bernhard, “Coupling Effects on Polarization-Agile Patch Antenna Arrays” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Atlanta, GA , Jul. 2019

32. S.-Y. Chen, T.-F. Huang, and P. Hsu, “Analytical Formula for Calculating Front-to-Back Ratio of Uniplanar Slot Antennas on Dielectric Slab” , 2019 Taiwan Telecommunications Annual Meeting , Taichung , Jan. 2019

33. C.-H. Chiu, S.-C. Chiu, S.-A. Yang, W.-T. Hsieh, and S.-Y. Chen, “Dual-Band Embedded Antenna on Metallic Chassis for Tunable Low-Band and Broadband High-Band” , International Symposium on Antennas and Propagation , Busan, Korea , Oct. 2018

34. L.-Y. Ou Yang and S.-Y. Chen, “Coupled Ground Wave Suppression of High Frequency Sky Wave Radar Based on a Practical, Covered, and Cost-effective Bandgap Structure” , 2018 Asia-Pacific Microwave Conference , Kyoto, Japan , Nov. 2018

35. L.-Y. Ou Yang and S.-Y. Chen, “Signal-to-Noise Ratio Enhancement of High Frequency Ground Wave Radar Based on a Metamaterial-Based Transition Structure” , European Conference on Antennas and Propagation , London, UK , Apr. 2018

36. K.-C. Chi, S.-Y. Chen, and P. Hsu, “An Integrated Dual-Band Wireless LAN Antenna for Full Metal Chassis Tablet with a Sound-Flow Enhancement Slot” , European Conference on Antennas and Propagation , London, UK , Apr. 2018

37. R.-F. Xu, S. Tiwari, R. N. Candler, and S.-Y. Chen, “Polarization Control of Bulk Acoustic Wave-Mediated Multiferroic Antennas Based on Thickness Shear Modes” , European Conference on Antennas and Propagation , London, UK , Apr. 2018

38. H. Chen and S.-Y. Chen, “A Polarization-Agile Stub-Loaded Square Patch Antenna with Proximity Coupled Feed” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Boston, Massachusetts , Jul. 2018

39. C.-Y. Chen and S.-Y. Chen, “Frequency-Tunable Zeroth-Order Resonator Antenna Based on Capacitor-Loaded Coplanar Waveguide” , 2018 IEEE Asia-Pacific Conference on Antennas and Propagation , Auckland, New Zealand , Aug. 2018

40. P.-H. Wu and S.-Y. Chen, “Design of Beam-Steerable Dual-Beam Reflectarray” , IEEE AP-S International Symposium and URSI Radio Science Meeting , San Diego, California , Jul. 2017

41. J.-K. Tsai and S.-Y. Chen, “Dual-Band Broadside Slot Array with Corporate-Series-Feed Based on CRLH Microstrip Line” , IEEE AP-S International Symposium and URSI Radio Science Meeting , San Diego, California , Jul. 2017

42. Robin Jeanty and Shih-Yuan Chen, “A Low-Profile Polarization-Reconfigurable Cavity Antenna Based on Partially Reflective Surface” , IEEE International Symposium on Radio-Frequency Integration Technology , Seoul, Korea , Aug. 2017

43. J.-R. Bai, L.-Y. Ou Yang, and S.-Y. Chen, “A Criterion for Radar Antenna Design to Enhance Efficacy of Polarimetric Entropy in Moving Target Discrimination” , The 47th European Microwave Conference (EuMC 2017) , Nuremberg, Germany , Oct. 2017

44. Y.-T. Lin, D.-Y. Wang, and S.-Y. Chen, “A Novel Circular-Polarization-Switchable Slot Ring Antenna with Diagonal Cross Slit” , 2017 Asia-Pacific Microwave Conference , Kuala Lumpur, Malaysia , Nov. 2017

45. Z.-M. Tsai, T.-L. Wu, S.-Y. Chen, S.-G. Mao, and T.-G. Ma, “The Competitions of Electromagnetic for Undergraduate Students in Taiwan (Taiwan Creative Electromagnetic Implementation Competition T-CEIC)” , IEEE International Conference on Computational Electromagnetics , Kumamoto, Japan , Mar. 2017

46. Y. Lu and S.-Y. Chen, “A Modified U-Slot Patch Antenna with Full Polarization Agility” , IEEE Asia-Pacific Conference on Antennas and Propagation , Kaohsiung, Taiwan , Jul. 2016

47. Shih-An Yang, Shih-Chia Chiu, Chien-Pai Lai, and Shih-Yuan Chen, “Polarization-Reconfigurable Slot Loop Antenna Based on a Novel Varactor-Loaded Feeding Network” , IEEE International Symposium on Radio-Frequency Integration Technology , Taipei, Taiwan , Aug. 2016

48. C.-H. Chiu, S.-C. Chiu, S.-A. Yang, W.-T. Hsieh, and S.-Y. Chen, “Efficiency Analysis of Capacitive-Coupled Chassis Antenna Based on Characteristic Modes” , IEEE Asia-Pacific Conference on Antennas and Propagation , Kaohsiung, Taiwan , Jul. 2016

49. T.-H. Cheng, J.-K. Tsai, W.-T. Hung, and S.-Y. Chen, “Dual-Band Handset Antenna Based on Multi-Branch Monopole for LTE/WWAN Applications” , 2016 International Symposium on Antennas and Propagation , Okinawa, Japan , Oct. 2016

50. Jiunn-Kai Huang and Shih-Yuan Chen, “A Compact Slot Loop Rectenna for Dual-Band Operation at 2.4- and 5.8-GHz Bands” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Fajardo, Puerto Rico , Jun. 2016

51. Chung-Yuan Liu, Chi-Kai Shen, Shih-Yuan Chen, Tzong-Lin Wu, Jinjia Chang, Bin-Chyi Tseng, and Jackson Yen, “Study of Frequency Offset Behavior for Artificial Magnetic Structure in Compact Mobile Device” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Fajardo, Puerto Rico , Jun. 2016

52. C.-C. Liu, S.-A. Yang, T.-H. Cheng, and S.-Y. Chen, “Embedded Antenna Design Based on Zero and Pole Resonances for Wireless Sensor Modules for Applications in Advanced Greenhouses” , IEEE International Symposium on Radio-Frequency Integration Technology , Sendai, Japan , Aug. 2015

53. B. Tsai and S.-Y. Chen, “Design of Beam-Steerable Parasitic Patch Arrays Using Variable Reactive Loads” , IEEE Asia-Pacific Conference on Antennas and Propagation , Bali, Indonesia , Jul. 2015

54. J.-K. Huang, W.-T. Hung, T.-H. Cheng, and S.-Y. Chen, “A 2.45-GHz High-Efficiency Loop-Shaped PIFA Rectenna for Portable Devices and Wireless Sensors” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Vancouver, Canada , Jul. 2015

55. T.-G. Ma, W.-J. Liao, H.-T. Hsu, S.-Y. Chen, Z.-M. Tsai, Y.-H. Pang, H.-H. Yu, J.-M. Tu, H.-C. Lin, T.-L. Wu, R.-B. Wu, and S. T. Peng, “SAVE and iEMPT: the EM Revitalization Program in Taiwan” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Vancouver, Canada , Jul. 2015

56. W.-C. Chen, C.-H. Chiu, T.-C. Tsai, and S.-Y. Chen, “Beam-Steerable Wideband Circularly Polarized Helical Antenna Array Based on Sequential Rotation Technique” , 2014 Asia-Pacific Microwave Conference , Sendai, Japan , Nov. 2014

57. S.-A. Yang and S.-Y. Chen, “Compact Dual-Band Reconfigurable CPW Antenna with Varactor Diodes” , 2014 Asia-Pacific Microwave Conference , Sendai, Japan , Nov. 2014

58. T.-H. Cheng, C.-H. Chiang, D.-W. Kung, and S.-Y. Chen, “A Compact UHF RFID Tag Antenna Using Split-Ring-Resonator-Loaded Short Dipole” , 2014 Asia-Pacific Microwave Conference , Sendai, Japan , Nov. 2014

59. J.-Y. Cheng, C.-P. Lai, W.-T. Hung, and S.-Y. Chen, “Modified Short Backfire Antenna for Antennas-on-Package Applications” , 2014 IEEE International Workshop on Electromagnetics , Sapporo, Hokkaido, Japan , Aug. 2014

60. L.-Y. Ou Yang and S.-Y. Chen, “Miniaturized SRRs-Loaded Loop Structure for Enhanced Wireless Power Transmission” , 2014 International Symposium on Antennas and Propagation , Kaohsiung, Taiwan , Dec. 2014

61. B. Tsai and S.-Y. Chen, “A Continuously Beam-Steerable Patch Array Using Variable Reactive Reflection Load” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Memphis, Tennessee , Jul. 2014

62. S.-A. Yang and S.-Y. Chen, “A Novel Design of Reflection-Type Phase Shifter for Microwave Life-Detection System” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Memphis, Tennessee , Jul. 2014

63. H.-J. Huang, C.-P. Lai, and S.-Y. Chen, “Miniaturized CPW-Fed Slot Loop Antenna with Frequency Agility” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Memphis, Tennessee , Jul. 2014

64. C.-C. Chang and S.-Y. Chen, “Probe-Compensated Microwave Holographic Imaging” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Memphis, Tennessee , Jul. 2014

65. C.-H. Chiang, T.-H. Cheng, and S.-Y. Chen, “A Compact RFID Tag Antenna Using Miniaturized Patch Structure for Metallic Object Applications” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Memphis, Tennessee , Jul. 2014

66. W.-T. Hung, J.-J. Tung, and S.-Y. Chen, “Focusing Reflectarray and Its Application in Microwave Virus Sanitizer” , 2013 Asia-Pacific Radio Science Conference , Taipei, Taiwan , Sep. 2013

67. L.-Y. Fang, Y.-S. Chen, Y.-C. Chan, E. J. Rothwell, and S.-Y. Chen, “Self-Structuring Electromagnetic Scatterer Using a Conductor-Backed Template” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Orlando, Florida , Jul. 2013

68. S.-C. Chiu and S.-Y. Chen, “Miniaturization of CPW-Fed Slot Antenna Using a Pair of Interdigital Capacitors” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Orlando, Florida , Jul. 2013

69. C.-P. Lai and S.-Y. Chen, “Compact Dual-band Loop Antenna Using C-shaped Resonator for USB Dongle Application” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Orlando, Florida , Jul. 2013

70. Y.-S. Chen, W.-H. Chou, and S.-Y. Chen, “Applications of Optimization Techniques to Designs of Ultra-Wideband Planar Monopole Antennas” , 2012 Asia-Pacific Microwave Conference , Kaohsiung, Taiwan , Dec. 2012

71. M.-D. Chiou and S.-Y. Chen, “An Electrically Small Planar Antenna Using Complementary Split-Ring Resonators” , 2012 International Symposium on Antennas and Propagation , Nagoya, Japan , Nov. 2012

72. S.-C. Chiu and S.-Y. Chen, “Circularly Polarized Resonant Cavity Antenna Using Single-Layer Double-Sided FSS Superstrate” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Chicago, Illinois , Jul. 2012

73. Y.-S. Chen, Y.-C. Chan, H.-J. Li, and S.-Y. Chen, “General Rules for Objective Functions in Wide- and Multi-Band Pixelized Antenna Design” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Chicago, Illinois , Jul. 2012

74. M.-H. Cheng, C.-P. Lai, H.-C. Yen, K.-H. Liao, and S.-Y. Chen, “Design of Antenna on Package Exploiting Self-Resonance of Carrier Board” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Chicago, Illinois , Jul. 2012

75. W.-T. Hung and S.-Y. Chen, “A Varactor-Loaded Cross Dipole Unit Cell for Circularly Polarized Beam-Steering Reflectarray” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Chicago, Illinois , Jul. 2012

76. C.-P. Lai, S.-Y. Chen, and H.-J. Li, “Design Consideration of Closely Spaced Polarization- and Pattern-Diversity Antenna Pair” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Chicago, Illinois , Jul. 2012

77. L.-Y. Ou Yang and S.-Y. Chen, “Microwave Surface Plasmon Effect Realized by Uniaxial Wire Medium” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Chicago, Illinois , Jul. 2012

78. C.-P. Lai, S.-Y. Chen, and H.-J. Li, “Radiation Enhancement of Compact Folded Slot Antenna Using Capacitor-Loaded CPW” , The 41st European Microwave Conference , Manchester, UK , Oct. 2011

79. C.-H. Chiu and S.-Y. Chen, “A Novel Broadband Aperture-Coupled Microstrip Patch Antenna” , 2011 Asia-Pacific Microwave Conference , Melbourne, Australia , Dec. 2011

80. Shih-Yuan Chen and Siou-Yi Shen, “Frequency-Agile High-Impedance Surface and the Antenna Application” , The 64th Joint Conference of Electrical and Electronics Engineers in Kyushu , Saga, Japan , Sep. 2011

81. Y.-S. Chen, S.-Y. Chen, and H.-J. Li, “Design and Optimazation of a Dual-Antenna Structure for Passive RFID Tags Using Design of Experiments Technique” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Spokane, Washington , Jul. 2011

82. S.-C. Chiu and S.-Y. Chen, “High-Gain Circularly Polarized Resonant Cavity Antenna Using FSS Superstrate” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Spokane, Washington , Jul. 2011

83. C.-P. Lai, S.-Y. Chen, and H.-J. Li, “Choice of Host Transmission Line for Inductor-Loaded Zeroth-Order Resonator Antenna” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Toronto, Canada , Jul. 2010

84. J.-H. Chen, S.-Y. Chen, and P. Hsu, “Conductor-Backed Coplanar Waveguide Fed Circular Coplanar Patch Antenna” , 2010 Asia-Pacific Microwave Conference , Yokohama, Japan , Dec. 2010

85. S.-Y. Chen, C.-W. Tseng, S.-C. Chiu, and P. Hsu, “Frequency-Agile, Miniaturized Slot Antenna for Hand-Held Devices” , 2010 URSI International Symposium on Electromagnetic Theory , Berlin, Germany , Aug. 2010

86. Y.-J. Lu, S.-Y. Chen, and P. Hsu, “Finite-Width Conductor-Backed Coplanar Waveguide-Fed Circularly Polarized Side-Plane Antenna” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Toronto, Canada , Jul. 2010

87. J.-H. Chen, S.-Y. Chen, and P. Hsu, “Conductor-Backed Coplanar Waveguide Fed Bilateral Slot Loop Antenna” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Toronto, Canada , Jul. 2010

88. Y.-W. Liu, S.-Y. Chen, and P. Hsu, “Metal Strip-Embedded Slot Bowtie Antenna for Wi-Fi and WiMAX Applications” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Toronto, Canada , Jul. 2010

89. Y.-C. Chen, C.-H. Hsieh, S.-Y. Chen, and P. Hsu, “Slot Dipole Antenna Capacitively Fed by CPW for Dual-Frequency Operations” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Toronto, Canada , Jul. 2010

90. W.-T. Hung, S.-Y. Chang, S.-Y. Chen, “High Isolation, Compact Microstrip Diplexers Using Quarter-Wave Stepped-Impedance Resonators” , 2010 Asia-Pacific Microwave Conference , Yokohama, Japan , Dec. 2010

91. R. O. Ouedraogo, E. J. Rothwell, and S.-Y. Chen, “A Self-Tuning Attenuating Surface with Controllable Scattering Capabilities” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Toronto, Canada , Jul. 2010

92. K.-C. Chi, S.-Y. Chen, and P. Hsu, “Miniaturization of Slot Loop Antenna Using Split-Ring Resonators” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Charleston, SC , Jun. 2009

93. C.-H. Lee, S.-Y. Chen, and P. Hsu, “Compact Modified Bow-tie Slot Antenna Fed by CPW for Ultra-wideband Applications” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Charleston, SC , Jun. 2009

94. C.-H. Chuang, J.-H. Chen, S.-C. Chiu, H.-W. Wu, S.-Y. Chen, and P. Hsu, “Wideband asymmetric slot antenna fed by coplanar waveguide” , IEEE International Workshop on Antenna Technology , Santa Monica, CA , Mar. 2009

95. S.-C. Chiu, S.-Y. Chen, and P. Hsu, “Miniaturized Composite Right/Left-Handed Coplanar Waveguide Antenna for Dual-Frequency Operation” , IEEE Radio and Wireless Symposium , San Diego, CA , Jan. 2009

96. Shih-Chia Chiu and Shih-Yuan Chen, “A Miniaturized Zeroth-Order Resonant Antenna Composed of Composite Right/Left-Handed Coplanar Waveguide” , National Symposium on Telecommunications , Kaohsiung , Dec. 2009

97. S.-Y. Chen, R. O. Ouedraogo, A. K. Temme, A. R. Diaz, and E. J. Rothwell, “MNG-Metamaterial-Based Efficient Small Loop Antenna” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Charleston, SC , Jun. 2009

98. S.-Y. Chen, R. O. Ouedraogo, B. J. Greetis, and E. J. Rothwell, “A Reconfigurable Electromagnetic Scatterer” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Charleston, SC , Jun. 2009

99. Y.-S. Chen and S.-Y. Chen, “Analysis of Antenna Coupling in Near-field RFID Systems” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Charleston, SC , Jun. 2009

100. E. J. Rothwell, R. O. Ouedraogo, S.-Y. Chen, and A. R. Diaz, “In-Place Optimization of Metamaterial-Inspired Structures Applied to Antennas” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Charleston, SC , Jun. 2009

101. E. J. Rothwell, R. O. Ouedraogo, S.-Y. Chen, and B. J. Greetis, “Performance Analysis of Self Tuning Cavity Resonators” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Charleston, SC , Jun. 2009

102. E. J. Rothwell, R. O. Ouedraogo, S.-Y. Chen, and A. K. Temme, “Experimental Validation of the Shielding Effectiveness of Self Tuning Electromagnetic Shutters” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Charleston, SC , Jun. 2009

103. E. J. Rothwell, C.-H. Lee, B. J. Greetis, R. O. Ouedraogo, and S.-Y. Chen, “A Self-Structuring 2-Port Network” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Charleston, SC , Jun. 2009

104. T.-Y. Ho, S.-Y. Chen, and H.-J. Li, “A Method to Determine The Structure Mode and Antenna Mode of A RFID Tag Antenna Scattering” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Charleston, SC , Jun. 2009

105. D.-S. Yuan, H.-J. Li, and S.-Y. Chen, “A Novel Dual-Antenna Structure for UHF RFID Tags” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Charleston, SC , Jun. 2009

106. B.-H. Wang and S.-Y. Chen, “Broadband Quarter-Wavelength Slot Array Fed by a Microstrip Line” , IEEE AP-S International Symposium and URSI Radio Science Meeting , San Diego, CA , Jul. 2008

107. S.-Y. Chen, Y.-L. Shih, H.-W. Wu, T.-H. Chu, and P. Hsu, “60-GHz Circularly-Polarized Switched-Beam Antenna Module” , 2008 International Symposium on Antennas and Propagation (ISAP 2008) , Taipei, Taiwan , Oct. 2008

108. C.-H. Lee, I-C. Lan, S.-Y. Chen, and P. Hsu, “Coplanar Waveguide-Fed Twin Slot Antenna With and Without Back Conductor” , IEEE AP-S International Symposium and URSI Radio Science Meeting , San Diego, CA , Jul. 2008

109. I-C. Lan, S.-Y. Chen, and P. Hsu, “Pattern Smoothness and Gain Enhancement of Finite Ground Slot Dipole Antenna Fed by Conductor-Backed Coplanar Waveguide” , IEEE AP-S International Symposium and URSI Radio Science Meeting , San Diego, CA , Jul. 2008

110. Y.-L. Shih, B.-H. Wang, Y.-J. Lu, J.-C. Cheng, S.-Y. Chen, and P. Hsu, “Capacitively-Loaded Loop Antenna for Multi-Band Mobile Handsets” , 2008 International Workshop on Antenna Technology , Chiba, Japan , Mar. 2008

111. J.-H. Chen, Y.-J. Lu, P. Hsu, and S.-Y. Chen, “CBCPW-Fed Side-Plane Patch Antenna” , The 38th European Microwave Conference (EuMC 2008) , Amsterdam, Netherlands , Oct. 2008

112. Y.-J. Lu, I-C. Lan, S.-Y. Chen, and P. Hsu, “Finite-Width Conductor-Backed Coplanar Waveguide-Fed Side-Plane Antenna” , IEEE AP-S International Symposium and URSI Radio Science Meeting , San Diego, CA , Jul. 2008

113. S.-Y. Chen and P. Hsu, “A Simplified Method to Calculate Far-Field Patterns of Extended Hemispherical Dielectric Lens” , 2007 Asia-Pacific Microwave Conference , Bangkok, Thailand , Dec. 2007

114. S.-Y. Chen and P. Hsu, “End Leakage Suppression of In-Line Series-Feed Collinear Slot Array with Truncated Open Ends” , National Symposium on Telecommunications , Taipei , Nov. 2007

115. Y.-C. Chen, S.-Y. Chen, and P. Hsu, “CPW-fed bow-tie slot antenna with parasitic slot pair for dual-frequency operation” , 2007 International Symposium on Antennas and Propagation , Niigata, Japan , Aug. 2007

116. Y.-W. Liu, S.-Y. Chen, and P. Hsu, “Short-Ended Coplanar Strip Antenna for UHF RFID Tags” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Honolulu, Hawaii , Jun. 2007

117. C.-H. Lee, S.-Y. Chen, and P. Hsu, “CPW-Fed Hybrid Bow-Tie/Slot Loop Antenna for Dual-Frequency Operation” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Honolulu, Hawaii , Jun. 2007

118. J.-H. Chen, J.-P. Chen, I-C. Lan, P. Hsu, and S.-Y. Chen, “Simplified GTEM Cell for RFID Tag Antenna Measurement” , URSI/SRS 2007 Radio Science Conference , Chung-Li , Mar. 2007

119. S.-Y. Chen, W.-Y. Mu, and P. Hsu, “60-GHz sequentially-rotated 1x4 circular patch array antenna fed by microstrip line” , 2006 International Symposium on Antennas and Propagation , Singapore , Nov. 2006

120. Y.-C. Chen, S.-Y. Chen and P. Hsu, “Dual-Band Slot Dipole Antenna Fed by a Coplanar Waveguide” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Albuquerque, NM , Jul. 2006

121. S.-Y. Chen and P. Hsu, “Hybrid loop antenna for 2.4-GHz RFID tags” , 2005 International Symposium on Antennas and Propagation , Seoul, Korea , Aug. 2005

122. S.-Y. Chen and P. Hsu, “Broadband microstrip-fed modified quasi-Yagi antenna” , 2005 IEEE/ACES International Conference on Wireless Communications and Applied Computational Electromagnetics , Honolulu, Hawaii , Apr. 2005

123. Y.-C. Chen, A.-S. Liu, S.-Y. Chen, R.-B. Wu, and C.-K. Sun, “Design of Rampart Slot Array Antenna in Integrated 850GHz Photonic Transmitter” , 2005 Asia-Pacific Microwave Conference , Suzhou, China , Dec. 2005

124. Y.-C. Yu, S.-Y. Chen, A.-S. Liu, R.-B. Wu, and C.-K. Sun, “A 650 GHz photonic transmitter design using CPW-fed slot antenna” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Monterey, CA , Jun. 2004

125. S.-Y. Chen and P. Hsu, “A CPW-fed horn-shaped slot array antenna for 5-GHz WLAN access point” , The 34th European Microwave Conference , Amsterdam, Netherlands , Oct. 2004

126. S.-Y. Chen and P. Hsu, “A modified bow-tie slot antenna fed by a coplanar waveguide” , IEEE AP-S International Symposium and URSI Radio Science Meeting , Monterey, CA , Jun. 2004

127. S.-Y. Chen and P. Hsu, “A modified quasi-yagi antenna fed by a microstrip line” , 2003 Asia-Pacific Microwave Conference , Seoul, Korea , Nov. 2003

128. C.-K. Sun, M.-C. Tien, H.-H. Chang, J.-Y. Lu, L.-J. Chen, S.-Y. Chen, R.-B. Wu, W.-S. Liu, and J.-I. Chyi, “Conversion efficiency and device behavior of edge-coupled membrane photonic transmitters” , The 16th Annual Meeting of the IEEE Lasers and Electro-Optics Society , Oct. 2003

129. S.-Y. Chen and P. Hsu, “Rampart slot array fed by coplanar waveguide” , 2002 Asia-Pacific Microwave Conference , Kyoto, Japan , Nov. 2002

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Patents:

1. J.-Y. Li, S.-Y. Chen, Y.-C. Chang, I. Huang, C.-Y. Chen, “Electronic device and manufacturing method thereof” , US 11934916 B2, Mar. 2024

2. S.-Y. Chen, H.-P. Liao, Y.-C. Hsieh, C.-I Wu, C.-Y. Lin, Y.-H. Lai, C.-H. Lin, “Phase Shifter, Antenna Circuit and Antenna Device” , US 12119560 B2, Oct. 2024

3. S.-Y. Chen, H.-P. Liao, C.-I Wu, Y.-C. Hsieh, Y.-H. Lai, C.-H. Lin, C.-Y. Lin, “Antenna Structure and Array Antenna Module” , US 11664606 B2, May 2023

4. Shih-Yuan Chen, Jiun-Yun Li, Rui-Fu Xu, Chiung-Yu Chen, Ting-I Yeh, Yu-Jui Wu, Yao-Chun Chang, “Micro-loop resonator for low-noise control of spin-based qubit” , US patent 11,276,653, Mar. 2022

5. 陳士元、廖修平、吳駿逸、謝易辰、賴奕翔、林敬桓、林壯岳, “相位調制單元以及輻射系統” , 中華民國專利 I-754559, Feb. 2022

6. 陳士元、廖修平、吳駿逸、謝易辰、賴奕翔、林敬桓、林壯岳, “天線結構及陣列天線模組” , 中華民國專利 I-749987, Dec. 2021

7. Shih-Chia Chiu, Shih-Yuan Chen, Skye Hui-Hsin Wu, Chien-Hao Chiu, Wang-Ta Hsieh, Wei-Hsin Shih, “Wireless communication circuit and electronic device” , US 10170820, Jan. 2019

8. Han-Chee Yen, Shih-Yuan Chen, Chien-Pai Lai, and Ming-Hsien Cheng, “Semiconductor package having a waveguide antenna and manufacturing method thereof” , US 9978688, May 2018

9. Han-Chee Yen, Shih-Yuan Chen, Chien-Pai Lai, and Ming-Hsien Cheng, “Semiconductor package including antenna layer and manufacturing method thereof” , US 9129954, Sep. 2015

10. 陳如弘、陳士元、許博文, “傳輸線結構” , 中華民國專利 I-459631, Nov. 2014

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