Publications

Journal Publications

1. Dongyou Choi et al . "Design and Optimization of a Miniaturized Wireless Power Transfer System Using Matching Media for Efficiency Enhancement at 1.6 GHz " Electronics,  (2025)

2. Dongyou Choi et al . "Efficient Metamaterial-Integrated Radiative Near-Field Wireless Power Transfer System for Scalp-Implantable Devices in IoMT Applications ", IEEE Internet of Things (2025)

3. Dongyou Choi et al ."Dual-band cross-polarization and linear-to-circular polarization converting metasurface ". Results in Physics (2025)

4. Dongyou Choi et al ."Single-Layer Metasurface-Based Reflectarray Antenna with H-Shaped Slotted Patch for X-Band Communication " Nanomaterials (2024)

5. Dongyou Choi et al "Design and Optimization of a Mid-Field Wireless Power Transfer System for Enhanced Energy Transfer Efficiency " Symmetry (2024)

6. Dongyou Choi et al "Design, optimization, and comparative analysis of wide-band polarization conversion along with dual coding sequences for RCS reduction " Scientific Reports (2024)

7. Dongyou Choi et al "Dual-band 5G MIMO antenna with enhanced coupling reduction using metamaterials " Scientific Report (2024)

8. Dongyou Choi et al "Resource Efficient Full-Duplex Mode of Transmissions Under Imperfect CSI " IEEE Transactions on Broadcasting (2023)

9. Dongyou Choi et al "Investigating Polarization-Sensitive Transmission and Reflection Metasurfaces for Advanced Wavefront Manipulation " Applied Science (2023)

10. Dongyou Choi et al "Design and Performance Evaluation of a Compact Frequency-Reconfigurable Coplanar-Waveguide-Fed Slotted Patch Antenna for Multi-Band Wireless Communication " Electronics. (2023)

11. Dongyou Choi et al "Microstrip to Slot-Line-Fed Microstrip Patch Antenna with Radiation Pattern Diversity for X-Band Application" Electronics (2023)

12. Dongyou Choi et al "A Metalens Design for On- and Off-Center Focusing with Amorphous Silicon Hydrogenated (a-Si:H)-Based 1D Array in Visible Spectrum ". Electronics (2023)

13. Dongyou Choi et al"Full-duplex multi-user MIMO communication systems performance optimization using leakage-based precoding ".  Scientific Reports (2023)

14. Dongyou Choi et al"Analysis of Centimeter and Millimeter-Wave Path Loss at Emergency Exit " IEEE Access (2023)

15. Dongyou Choi et al"Compact Wideband Double-Slot Microstrip Feed Engraved TEM Horn Strip Antennas on a Multilayer Substrate Board for in Bed Resting Body Positions Determination Based on Artificial Intelligence "  Sensors (2022)

16. Dongyou Choi et al"Compact Eight-Element MIMO Antenna with Reduced Mutual Coupling and Beam-Scanning Performance " Sensors (2022)

17. Dongyou Choi et al"MIMO antenna array with the capability of dual polarization reconfiguration for 5G mm-wave communication " Scientific Reports (2022)

18.  Dongyou Choi et al .    " Design and SAR Analysis of a Dual Band Wearable Antenna for WLAN Applications ".  Applied Science (2022)

19.  Dongyou Choi et al   "Design and Analysis of Dual-Band High-Gain THz Antenna Array for THz Space Applications" Applied Science (2022)

20. Dongyou Choi et al " Path Loss Investigation in Hall Environment at Centimeter and Millimeter-Wave Bands ". Sensors, (2022)

21. Dongyou Choi et al "Performance Analysis of Wearable Dual-Band Patch Antenna Based on EBG and SRR Surfaces ".  Sensors, (2022)

22. Dongyou Choi et al., “Ultra-Wide Band Double-Slot Podal and Antipodal Vivaldi Antennas Feed by Compact Out-Of-Phase Power Divider Slot for Fluid Properties Determination”.  Sensors, Vol.22, No.12, 4543, 2022;

23.  Dongyou Choi et al., "A compact two elements MIMO antenna for 5G communication." Scientific Reports, Vol.12, no.1, pp. 1-8, 2022.

24.  Dongyou Choi et al., “Analysis and Modeling of Propagation in Tunnel at 3.7 and 28 GHz.” CMC-COMPUTERS MATERIALS & CONTINUA, Vol.71, No.2, pp. 3127-3143. 2022.

25.  Dongyou Choi et al., “Centimeter and Millimeter-Wave Propagation Characteristics for Indoor Corridors: Results from Measurements and Models”. IEEE Access, Vol.9, pp.158726-158737, 2021

26.  Dongyou Choi et al., “Results of Large-Scale Propagation Models in Campus Corridor at 3.7 and 28 GHz”. Sensors, Vol.21, no.22, 2021.

27.  Dongyou Choi et al.,” MIMO Antenna System With Pattern Diversity for Sub-6 GHz Mobile Phone Applications.” IEEE Access, Vol.9, pp.149240-149249. Nov 2021.

28. Dongyou Choi et al.,"Vivaldi antenna arrays feed by frequency-independent phase Shifter for high directivity and gain used in microwave sensing and communication applications." Sensors, Vol. 21, no. 18, Sep 2021.

29.  Dongyou Choi et al., “Scaling of Rain Attenuation Models: A Survey”. Applied Sciences, Vol.11, no.18, Sep 2021.

30.  Dongyou Choi et al., "Rain Attenuation Scaling in South Korea: Experimental Results and Artificial Neural Network." Electronics, Vol.10, no.16, Aug 2021.

31.  Dongyou Choi et al., "Analysis of patch antenna with broadband using octagon parasitic patch." Sensors, Vol.21, no. 14, July 2021.

32.  Dongyou Choi et al., "A survey of rain fade models for earth–space telecommunication links—taxonomy, methods, and comparative study." Remote Sensing, Vol.13, no. 10, May 2021.

33.  Dongyou Choi et al., “Wireless telecommunication links for rainfall monitoring: deep learning approach and experimental results”. IEEE Access, Vol. 9, pp.66769-66780. Apr 2021.

34. Dongyou Choi et al., "High-gain vivaldi antenna with wide bandwidth characteristics for 5G mobile and Ku-Band radar applications." Electronics, Vol. 10, no. 6, Mar 2021.

35. Dongyou Choi et al., “A survey of rain attenuation prediction models for terrestrial links—Current research challenges and state-of-the-art.” Sensors, Vol. 21, no. 4, Feb 2021.

36.  Dongyou Choi et al., “The effects of rain on terrestrial links at K, Ka and E-bands in South Korea: based on supervised learning”. IEEE Access, Vol. 9, pp. 9345-9355 Jan 2021.

37.  Dongyou Choi et al., "Learning-assisted rain attenuation prediction models." Applied Sciences. Vol. 10, no. 17, Aug 2020.

38.  Dongyou Choi et al., “Four-element microstrip patch array antenna with corporate-series feed network for 5G communication.” International Journal of Antennas and Propagation, Apr 2020.

39.  Dongyou Choi et al., "Analysis of beamforming antenna for practical indoor location-tracking application." Sensors , Vol. 19, no.14, July 2019.

40. Dongyou Choi et al., "Bandwidth enhancement and mutual coupling reduction using a notch and a parasitic structure in a UWB-MIMO antenna." International Journal of Antennas and Propagation. June 2019.

41.  Dongyou Choi et al., "Analysis of tapered slot antenna with high gain for 2D indoor wireless positioning." IEEE Access, Vol. 7, pp. 54312-54320, Apr 2019.

42.  Dongyou Choi et al., “Rain attenuation study over an 18 GHz terrestrial microwave link in South Korea.” International Journal of Antennas and Propagation, 2019.

43.  Dongyou Choi et al., "Rain Attenuation Study at Ku-Band over Earth-Space Path in South Korea." Advances in astronomy, 2019.

44.  Dongyou Choi et al., “Design of a compact ultrawideband U-shaped slot etched on a circular patch antenna with notch band characteristics for ultrawideband applications.” International Journal of Antennas and Propagation, 2019.

45. Dongyou Choi et al., “Broadband printed antenna with modified rectangular patch and U-slot in ground plane.” Radioelectronics and Communications Systems,  Vol. 61, no. 12, pp. 556-564. 2018.

46. Dongyou Choi et al., "Study on mutual coupling reduction technique for MIMO antennas." IEEE Access, Vol. 7m pp. 563-586. 2018.

47. Dongyou Choi et al., "Design and analysis of a quasi-Yagi antenna for an indoor location tracking system." Sensors 18, no. 12, 2018

48. Dongyou Choi et al., “Performance study of defected ground structure patch antenna with Etched psi (ψ) shaped stubs.” Journal of information and communication convergence engineering, Vol.16, no.4, pp.203-212.

49.  Dongyou Choi et al., “Diurnal and monthly variations of rain rate and rain attenuation on Ka-band satellite communication in South Korea.” Progress in Electromagnetics Research B, vol. 80, pp.151-171.

50.  Dongyou Choi et al., "CPW-fed wideband circular polarized antenna for UHF RFID applications." International Journal of Antennas and Propagation, 2017.

51. Dongyou Choi et al., “Study of 1-min rain rate integration statistic in South Korea.” Journal of Atmospheric and Solar-Terrestrial Physics, Vol. 155, pp. 1-11.

52. Dongyou Choi et al., “Characterization of rain specific attenuation and frequency scaling method for satellite communication in South Korea.” International Journal of Antennas and Propagation, 2017.

53.  Dongyou Choi et al.,”. Rain attenuation statistics over millimeter wave bands in South Korea.” Journal of Atmospheric and Solar-Terrestrial Physics, 152, 1-10.

54.  Dongyou Choi et al., Study of rain attenuation in Ka band for satellite communication in South Korea.” Journal of Atmospheric and Solar-Terrestrial Physics, 148, 53-63.

55. Dongyou Choi et al.,. "Concentric core fiber design for optical fiber communication." Journal of information and communication convergence engineering, Vol.14, No.3m pp. 163-170, 2016.

56. . Dongyou Choi et al., “Implementation of rectangular slit-inserted ultra-wideband tapered slot antenna.” SpringerPlus, Vol. 5, no. 1, pp.1-11.

57.  Dongyou Choi et al., "Compact filtering monopole patch antenna with dual-band rejection." SpringerPlus, Vol.5, no.1, 99 1-12, 2016.

58.  Dongyou Choi et al., "Rain rate modeling of 1-min from various integration times in South Korea." SpringerPlus, Vol. 5, no. 1, pp. 1-34, 2016.

Conference Publications