Yejune Seo, Inyeol Moon, Jiyeon Jang, Heejun Park, and Sungtek Kahng, "Measurement-Based Characterization of Subterahertz Metasurfaces Designed to Work in a 300-GHz Band," in IEEE Antenna&Propagation Magazine, 2024

Inyeol Moon, Woogon Kim, Yejune Seo, and Sungtek Kahng, "A Metamaterial Surface Avoiding Loss from the Radome for a Millimeter-Wave Signal-Sensing Array Antenna," Sensors 2024, 24(3), 1018

Jiyeon Jang, Yejune Seo, Yejin Lee, Junghyun Cho and Sungtek Kahng, "A High Gain Reflectarray Antenna for Airborne mmWave Sensing Devices," Microwave Journal, August, 14, 2023

W. -J. Shin, Y. Lee, J. Cho, J. Jang, Y. Seo and S. Kahng, "RSSI Improved for LoRa Wireless Communication, Field-Tested in the Wide-Open Area," in IEEE Access, vol. 11, pp. 80172-80180, 2023, doi: 10.1109/ACCESS.2023.3241485.

Junghyun Cho, Yejune Seo, Wonjae Shin, Eungdon Lee and Sungtek Kahng, "Channel Selectivity of Satellite Transponders with the Antenna Combined with a Size-Reduced Metallic Waveguide Bandpass Filter Having Thin Metamaterial Resonators," Sensors 2023, 23(4), 1948

Junghyun Cho, Yejune Seo, Jihaeng Cho, Kyoung Youl Park, Joongki Park, Hosub Lee and Sungtek Kahng, "Effective Size Reduction of the Metallic Waveguide Bandpass Filter with Metamaterial Resonators and Its 3D-Printed Version," Sensors 2023, 23(3), 1173 

Yejune Seo, Inyeol Moon, Junghyun Cho, Yejin Lee, Jiyeon Jang, Morimoto Shohei, Kurosaki Toshifumi and Sungtek Kahng, "An On-Film AMC Antenna Insert-Molded in Earbuds with Enhancement in In-Ear and In Situ Received-Signal Sensing," Sensors 2022, 22, 4523

Yejune Seo, Junghyun Cho, Yejin Lee, Jiyeon Jang, Hyung-Wook Kwon and Sungtek Kahng, "A Chip Antenna for Bluetooth Earphones with Cross-Head Interference Tested from Received-Signal Sensing," Sensors 2022, 22, 3969

Munsu Jeon, Yejune Seo, Junghyun Cho, Changhyeong Lee, Jiyeon Jang, Yejin Lee, Hyung-Wook Kwon and Sungtek Kahng, "Investigation on Beam Alignment of a Microstrip-Line Butler Matrix and an SIW Butler Matrix for 5G Beamforming Antennas through RF-to-RF Wireless Sensing and 64-QAM Tests," Sensors 2021, 21,6830

Yejune Seo, Changhyeong Lee, Inyeol Moon, Koichro Ota, Ryomei Omote and Sungtek Kahng, "A Planar Millimeter-Wave Resonator-Array to Sense the Permittivity of COP Film with the 5G Handset Back-Cover," Sensors 2021, 21, 4316

Muhammad Kamran Khattak, Changhyeong Lee, Heejun Park, and Sungtek Kahng "A Fully-Printed CRLH Dual-Band Dipole Antenna Fed by a Compact CRLH Dual-Band Balun," Sensors 2020, 20, 17, 4991. 

Muhammad Kamran Khattak, Changhyeong Lee, Heejun Park, and Sungtek Kahng "RF Channel-Selectivity Sensing by a Small Antenna of Metamaterial Channel Filters for 5G Sub-6-GHz Bands," Sensors 2020, 20, 1989. 

Changhyeong Lee, Heejun Park and Sungtek Kahng, "Bent Balun-Combined and AMC-Backed Dipole Array Antenna for Beamforming Less Vulnerable to Nearby Metal Planes," Microwave Journal, March, 12, 2020. 

Changhyeong Lee, Heejun Park, Yongseok Lim and Sungtek Kahng, "A stacked array antenna able to make a very large gain and tilt the end‐fire beam at the ISM‐band," Int. J. RF Microw. Comput. Aided Eng., Vol. 29, No. 9, September, 2019.

J. Gao, K. Zhang, G. Yang, S. Kahng, and Q. Wu, “Tunable Control of Mie Resonances Based on Hybrid VO2 and Dielectric Metamaterial,” Symmetry, vol. 10, no. 10, p. 423, Sep. 2018. 

Changhyeong Lee and Sungtek Kahng, "A Thin and Short VHF Wideband Filter Using CPW CRLH Transmission‐line," Int. J. RF Microw. Comput. Aided Eng., Vol. 28, No. 9, Nov. 2018.

Changhyeong Lee, Muhammad Kamran Khattak and Sungtek Kahng, "Wideband 5G beamforming Printed Array Clutched by LTE-A 4 × 4-Multiple-Input–Multiple-Output Antennas with High Isolation," IET Microwaves, Antennas & Propagation, Vol. 12, No. 8, pp. 1407-1413, 2018.

Changhyeong Lee, Dajung Han, Heejun Park, Kyounghun Noh and Sungtek Kahng, "A Thin AMC-Combined Loop Antenna Applicable to Wearable Devices," International Journal of Microwave and Optical Technology (IJMOT), Vol. 13, No. 2, pp. 112-116, March, 2018.

Changhyeong Lee and Sungtek Kahng, "A 90o-Bent Spur-Line Combined CRLH ZOR Bandpass Filter for the Channel of the UWB Communication System," Journal of Electrical Engineering & Technology, Vol. 13, No. 2, pp. 928-935, 2018, 3

J. Anguera, A. Andújar, S. Benavente, J. Jayasinghe and S. Kahng, "High-directivity microstrip antenna with Mandelbrot fractal boundary," IET Microwaves, Antennas & Propagation, Vol. 12, No. 4, pp. 569-575, March 28 2018

DaJung Han, ChangHyeong Lee and Sungtek Kahng, "Formulation of the Green’s Functions for Coplanar Waveguide Microwave Devices as Genetic Algorithm-Based Complex Images," Journal of Electrical Engineering & Technology, Vol. 12, No. 4, pp. 1600-1604, 2017, 7

Muhammad Kamran Khattak, and S. Kahng "Design of a UHF Wideband Antenna with a Compact Notch Filter", IET Microwaves Antennas & Propagation , Vol. 10, No. 15, pp.1625 - 1632, December 2016 

Muhammad Kamran Khattak, and S. Kahng "A novel dipole antenna backed by a thin and small-area AMC for good impedance match and low SAR on human tissue", Journal of Electromagnetic Waves and Applications, DOI :10.1080/09205071.2016.1207567 July, 2016

Hyunsoo kim and Sungtek Kahng, "Design of a compact Four MIMO Handset Antenna Structure", Microwave Journal, Vol.59 No. 4, p162-174. 7p. April 13, 2016

Muhammad Kamran Khattak and sungtek kahng, "Novel and compact open-ended CRLH-TL notch filter", International Journal of RF and Microwave Computer-Aided Engineering,Volume 26, No. 3 , pages 247-254, March 2016

Sungtek Kahng, Jinsu Jeon, Jaume Anguera, and Taejoon Park, "A Compact MIMO Antenna Using CRLH Configuration Double-Layered Folded Ring Radiators With Planar Mushroom Decoupling Structure", IEEE Antennas and Propagation Magazine, Vol. 57, No. 2, April 2015

Hongwoo Park, Hyoungsuk Yoo, Sungtek Kahng and Hongjoon Kim, “Broadband Tunable Third-Order IMD Cancellation Using Left-Handed Transmission-Line-Based Phase Shifter”, IEEE Microwave and Wireless Component Letters, accepted for publication, Vol. 25, No. 7, pp. 478-480, July 2015​

Jinsu Jeon, Sungtek Kahng, Hyunsoo Kim, "GA-Optimized Compact Broadband CRLH Band-Pass Filter Using Stub-Inserted Interdigital Coupled Lines," JOURNAL OF ELECTROMAGNETIC ENGINEERING AND SCIENCE, VOL. 15, NO. 1, 31~36, JAN. 2015

Kyungseok Kanhg, Sungtek Kahng, Inkyu Yang and Qun Wu "A Bandwidth-Enlarged and Isolation-Enhanced ZOR MIMO Antenna, Shorter than 0.11λg", Microwave Journal, Vol.57, No.9, page(s):128-136, Semtember 2014

Sungtek Kahng, Jinsu Jeon and Taejoon Park "An Orthogonally Polarized Negative Resonance CRLH Patch Antenna", Journal of Electrical Engineering & Technology Vol. 9, page(s): 742, Semtember 2014

Kyeongnam Jang, Sungtek Kahng, Inkyu Yang, Hyeongseok Kim and Qun Wu "Reducing the Interference in Compact MIMO Antennas of CRLH-TL-Based Broadside-Capacitive and Slot Couplings", Journal of Electrical Engineering & Technology, Vol. 9, No. 3, page(s)997-1001, 2014.

Sungtek Kahng, Kyungseok Kahng, Inkyu Yang and Taejoon Park "A Metamaterial-Based Handset Antenna with ths SAR Reduction",Journal of Electrical Engineering & Technology ,Vol. 9, NO. 2, page(s):622-627, 2014.3

Sungtek Kahng, Jinil Lee, Koon-Tae Kim, Hyeong-Seok Kim "Metamaterial CRLH Structure-based Balun for Common-Mode Current Indicator",Journal of Electrical Engineering & Technology ,Vol. 9, NO. 1, page(s):301-306 , 2014.1

Sungtek Kahng, Boram Lee, Taejoon Park, "Compact UHF 9th-Order Bandpass Filter with Sharp Skirt by Cascaded-Triplet CRLH-ZOR," Journal of Electrical Engineering & Technology, vol.8, no.5, pp. 1152-1156, August 2013

K.-T. Kim, Sungtek Kahng, J.-H. Lee, S. Oh, and H.-S. Kim, "Analysis and Design of Frequency Selectivity by Layered EBG and Metamaterial Structure," to appear soon in Electronic Materials Letters, 2013

Boram Lee, Sungtek Kahng "Compact UWB Bandpass Filter as Cascaded Center-Tapped CRLH Transmission-Line ZORs for Improved Stopband," Journal of Electrical Engineering & Technology, vol.8, no.2, pp. 371-375, August 2013

Da-jeong Eom, Sungtek Kahng "Fully Printed Dual-Band Power Divider Miniaturized by CRLH Phase-Shift Lines," ETRI Jounal, vol.35, no.1, February 2013

Geonho Jang, Sungtek Kahng, "Compact Composite Right-AND Left-Handed Bandpass Filter With Interlocked Gap coupling," Microwave And Optical Technology Letters, vol.55, no.2, February 2013

C.Picher, J.Anguera, A.Andujar, C.Puente, and S.Kahng, "Analysis of the Human Head Interaction in Handset Antennas with Slotted Ground Planes," IEEE Antennas & Propagation Magazine, vol.54, no.2, Aprill 2012

S. Mok, S. Kahng and Y. Kim, "A wide band metamaterial ZOR antenna of a patch coupled to a ring mushroom," Journal of Electromagnetic Waves and Applications,pages 1667-1674 June 2012

D. Lim and S. Kahng, "Compact UHF 3rd-Order Bandpass Filter With Sharp Skirt By Cascaded Triplet CRLH-ZORs," Journal of Electromagnetic Waves and Applications, vol. 26, pp. 695-706, June 2012

S. Kahng and Dongjin Lim, "A Center-Tapped CRLH ZOR UWB Bandpass Filter with Improved Stopband," Microwave Journal, vol. 55, no. 6, pp. 86-92, June 2012

J. Anguera, A. Andujar, C. Picher, L. Gonzalez, C. Puente, and S. Kahng, "Behavior of several antenna topologies near the human head at the 2.4–2.5 GHz band," Microwave and Optical Technology Letters, Vol. 54, Issue 8, pp. 1911–1916, August 2012

Sungtek Kahng, Hyeong-Seok Kim, "The Field of Power/Ground Planes influenced by the HPEM Source,and its Damage Reduction" Journal of Electrical Engineering & Technology, Vol.7, No.3, pages 406-410, May 2012

Boram Lee, Sungtek Kahng, "Compact UHF 5th-Order Bandpass FIlter with Sharp Skirt by Cascaded Triplet CRLH-ZORs" Microwave Journal, vol. 55, no. 5, pp. 184-198, May 2012

S. Yoo, S. Kahng "CRLH ZOR Antenna of a Circular Microstrip Patch Capacitively Coupled to a Circular Shorted Ring" Progress In Electromagnetics Research C, Vol.25, 15-26, 2012

S. Yoo, S. Kahng, J. Kim "A Compact MIMO Antenna using ZOR Split Ring Resonator Radiators with a Decoupling Structure" Microwave Journal, vol. 54, no. 11, pp. 26, November 2011

S. Kahng, H. Kim "Study on the Mitigation of the Resonance due to the Power-Bus Structure using Periodic Metal-Strip Loaded Sheets" Journal of Electrical Engineering & Technology, Vol.6, No.6, pages 849-852, November 2011

J. Ju, S. Kahng, "A compact UWB bandpass filter using a center-tapped composite right/left-handed transmission-line zeroth-order resonator" Microwave and Optical Technology Letters, Volume 53, Issue 9, pages 1974–1976, September 2011

K. Kim, J. Ko, H. Paek, S. Kahng, H. Kim, "An Improved Distributed Equivalent Circuit Modeling for RF Components by Real-Coefficient AFS Technique" Journal of Electrical Engineering & Technology, Vol.6, No.3, pages 849-852, May 2011

G. Jang, S. Kahng, "Compact metamaterial zeroth-order resonator bandpass filter for a UHF band and its stopband improvement by transmission zeros," IET Microwaves, Antennas & Propagation, vol.5, no.10, pp.1175-1181, July 14 2011

Geonho Jang and Sungtek Kahng, "Design of a Metamaterial Bandpass Filter Using the ZOR of a Modified Circular Mushroom Structure", Microwave Journal, Vol. 54, No. 5, pp. 158, May. 2011

G. Jang and S. Kahng, "Design of a dual-band metamaterial bandpass filter using zeroth order resonance," Progress In Electromagnetics Research C, Vol. 12, 149-162, 2010.

C. Picher, J. Anguera, A. Cabedo, C. Puente, and S. Kahng, "Multiband handset antenna using slots on the ground plane: considerations to facilitate the integration of the feeding transmission line," Progress In Electromagnetics Research C, Vol. 7, 95-109, 2009.

Seokjin Hong, Wonseob Kim, Hoon Park, Sungtek Kahng, Jaehoon Choi, "Design of an Internal Multiresonant Monopole Antenna for GSM900/DCS1800/US-PCS/S-DMB Operation," IEEE Transactions on Antennas and Propagation, vol.56, no.5, pp.1437-1443, May 2008

Sungtek Kahng, "The Rectangular Power-Bus With Slits GA-Optimized to Damp Resonances," IEEE Transactions on Antennas and Propagation, vol.55, no.6, pp.1892-1895, June 2007

S. Kahng, "Improved Differential Signaling of the DeCap-Loaded Rectangular Power-Bus With a Fast Calculation Method," IEEE Microwave and Wireless Components Letters, vol.16, no.9, pp.484-486, Sept. 2006

S. Kahng, "GA-optimized decoupling capacitors damping the rectangular power-bus' cavity-mode resonances," IEEE Microwave and Wireless Components Letters, vol.16, no.6, pp. 375- 377, June 2006

S. Kahng, "A Stack of Metal Rings for Reducing Common-Mode Current on a Wire Passing through an Aperture", IEICE Transactions on Communication, 2005, pp.3819-3822.

Sungtek Kahng, Man Seok Uhm, and Seong Pal Lee , “A Dual-Mode Narrow-Band Channel Filter and Group-Delay Equalizer for a Ka-Band Satellite Transponder”, ETRI Journal, vol.25, no.5, Oct. 2003, pp.379-386.

Sungtek Kahng, "Study of the design of waveguide filters with improved suppression of modal interference through the cross-shaped slot", Int. J. RF and Microwave Comp. Aid. Eng., Volume 13, Issue 4, pages 285–292, July 2003

S. Kahng, "Genetic algorithm-based complex images for magnetic dipoles in parallel plates," Electronics Letters , vol.39, no.8, pp. 667- 668, 17 April 2003

Jaehoon Choi and Sungtek Kahng, “Analysis of Electromagnetic Characteristics of a Grounded Slab and a Parallel-Plate Structure using the SDDI Technique”, ETRI Journal, vol.23, no.2, June 2001, pp.71-76.

Sungtek Kahng, Jaehoon Choi,"Electromagnetic Scattering Analysis of Dielectric Wire-shaped Objects in Layered media using RTBC and spline-type divided difference interpolation technique", Microwave and Optical Technology Letters, Volume 24, Issue 5, pages 290–292, 5 March 2000

Sungtek Kahng, Jaehoon Choi, Hyeongdong Kim, "Efficiency Improvement in the Spline-type Divided Difference Interpolation Technique for Impedance Matrix Calculation", Microwave and Optical Technology Letters, Volume 23, Issue 6, pages 361–363, 20 December 1999

Sungtek Kahng, Jaehoon Choi, "An efficient impedance matrix calculation using the spline-type divided-difference interpolation technique," IEEE Microwave and Guided Wave Letters, vol.9, no.7, pp.268-271, Jul 1999

Sungtek Kahng, Saehoon Ju, Hyeongdong Kim, "Continuous wavelet representation of Green functions in layered media," Electronics Letters , vol.34, no.4, pp.378-379, 19 Feb 1998