Y. Seo, M. Jeon, J. Cho, J. Jang, Y. Lee and S. Kahng, "Small-Sized Metamaterial Feeding System Combined Polarization-Reconfigurable Antenna", 2021 Joint Conference on Satellite Communications (JC-SAT 2021), Busan, Korea, 2021

M. Jeon, Y. Seo, J. Cho, Y. Lee, J. Jang and S. Kahng, "A Compact SIW Filter for the Lighter Cube-Satellite Reflectarray Antenna", 2021 Joint Conference on Satellite Communications (JC-SAT 2021), Busan, Korea, 2021

Y. Seo, M. Jeon, J. Cho, J. Jang, Y. Lee C. Lee and S. Kahng, "A Small and Angle-Diversity Antenna Mountable for the Small Drone", International Conference on ICT Convergence (ICTC 2021), Jeju island, Korea, 2021

Y. Seo, M. Jeon, J. Cho, J. Jang, Y. Lee and S. Kahng, "A Study on Correlation between the Millimeter-wave Array Antenna and Digital Wireless Communication in the 5G Mobile System", International Conference on Future Intelligent Computing (ICFIC 2021), Daegu, Korea, 2021

S. Kahng, "Design of 5G Handheld Beamforming Antennas for Dual-Polarization and Beam-Coverage Diversity," IEEE International Workshop on Electromagnetics 2021 (IEEE iWEM 2021), Guangzhou, China, 2021 (Invited talk)

C. Lee, H. Park, G. Namgung, Y. Seo and S. Kahng, "A Small Metamaterial Dual-Band Dipole Antenna Fed by Small Metamaterial Balanced-Feed," 2020 14th European Conference on Antennas and Propagation (EuCAP), Copenhagen, Denmark, 2020

C. Lee, H. Park, G. Namgung, Y. Seo and S. Kahng, " A Novel Metamaterial Dual-band GPS Antenna Extendable to Space Diversity Applications," 2020 14th European Conference on Antennas and Propagation (EuCAP) , Copenhagen, Denmark, 2020

C. Lee, A. Rehman, H. Park, G. Namgung, Y. Seo and S. Kahng, "A Nature-Inspired Machine Optimization Technique for Metasurfaces to Improve the Isolation between 5G MIMO Antennas," 2020 International Conference on Artificial Intelligence in Information and Communication (ICAIIC), Fukuoka, Japan, 2020, pp. 107-108.

C. Lee, H. Park, Y. Seo, G. Namgung, S. Kahng, "Selecting a Channel from 5G Sub-6-GHz Bands by A Small Antenna of Metamaterial Channel Filters," iWAT ,Bucharest, Romania, 2020 (Invited talk)

S. Kahng, "The Positioning of Metamaterial and Metasurface in Antenna Systems for 5G Mobile Communication," IEEE InCAP 2019, Ahmedabad, India, Dec. 19-22, 2019 (Keynote Speech)

H. Park, C. Lee, G. Namgung, Y. Seo, "Design of 8X8 Butler Matrix Antenna for 5G Small Cell Beam-forming Repeaters," IEEE APCAP 2019, Incheon, Korea, Aug. 4-7, 2019 (Best Paper Award)

S. Kahng, "How to Evaluate Near-Field of Metamaterial 5G Beam-forming Antennas," IEEE CAMA, Bail, Indonesia, 2019 (Invited talk)

S. Kahng, "5G Mobile sub-6 GHz MIMO and 28 GHz Beam-forming Antennas," Antenna Design and Measurement International Conference 2019 (ADMinC' 2019), St. Peterburg, Russia, Oct. 16-18, 2019 (Invited talk)

S. Kahng, C. Lee, H. Park, G. Namgung, J. Kwon and Y. Seo," A UAV-Mountable Flat Array Antenna System," 2019 IEEE MTT-S International Wireless Symposium (IWS), Guangzhou, China, 2019, pp. 1-3. (Invited talk)

J. Kwon, H. Park, C. Lee, G, Namgung, Y. Seo, and S. Kahng, "A Compact EBG for High Isolation Between Two Very Closeby Wire-Antennas for RFID Tags," 2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, Atlanta, GA, USA, 2019, pp. 1189-1190.

C. Lee, H. Park, G. Namgung, S. Kahng and Y. Lim, "1D Array Antennas In Tandem for a Large Gain and Moving the Direction of the End-Fire Beam," 2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, Atlanta, GA, USA, 2019, pp. 2063-2064.

C. Lee, H. Park, G. Namgung, Y. Seo and S. Kahng, "Design of a CRLH CPW Wideband Filter Operating in the VHF Band with Flexible Thin Substrate," 2019 IEEE Asia-Pacific Microwave Conference (APMC), Singapore, Singapore, 2019, pp. 342-344. (Invited talk)

C. Lee, H. Park, G. Namgung, S. Kahng and Y. Lim, "1D Array Antennas In Tandem for a Large Gain and Moving the Direction of the End-Fire Beam," 2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, Atlanta, GA, USA, 2019, pp. 2063-2064.

Y. Seo, H. Park, C. Lee, G. Namgung and S. Kahng, "Leaky-Wave Antenna for a Military Vehicle-to-Satellite Link," 2019 International Conference on Information and Communication Technology Convergence (ICTC), Jeju Island, Korea (South), 2019, pp. 646-647.

A. Andújar, Y. Cobo, I. Anglada, S. Kahng and J. Anguera, "Compact Antenna System for a Smart Watch Using a Non-Resonant Element," 2019 13th European Conference on Antennas and Propagation (EuCAP), Krakow, Poland, 2019, pp. 1-4.

G. Namgung, C. Lee, H. Park, A. Andujar, J. Anguera and S. Kahng, "Design of A Metamaterial-Inspired Reflectarray to Increase the UHF-Band RFID Detection-Range," 2019 13th European Conference on Antennas and Propagation (EuCAP), Krakow, Poland, 2019, pp. 1-3.

S. Kahng, "Metamaterials, Periodic Structures and EBG for Antennas, RF and EMC Solutions," IEEE InCAP 2018, Hyderabad, India, Dec. 16-19, 2018 (Keynote Speech)

Heejun Park, Changhyeong Lee, Abdul Rehman, Muhammad Salman Khattak, Sungtek Kahng, Muhammad Salman Khattak, "A Lensing Case for the 5G Handset Antennas," 2018 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, 2018, 7.

Heejun Park, Gwang-Gyun Namgung, Changhyeon Lee, Jinyoung Kwon, Suntek Kahng, "A Small Real-Estate Platform for 5G Beamforming/Beam-Steering Antennas Shared With WBAN UHF-Band MIMO Antennas," 2018 International Symposium on Antennas and Propagation (ISAP) , Busan, Korea (South), 2018. 23-26.

Changhyeong Lee, Heejun Park, Gwang-Gyun Namgung, Jinyoung Kwon, Sungtek Kahng, "A Wide-Band Power-Splitter Fed Wide-Band Array Antenna Adoptable to Low-Weight GPR Systems," Busan, Korea (South), 2018. 23-26.

Abdul Rehman, Changhyeong Lee, Heejun Park, Gwang-Gyun Namgung, Jinyoung Kwon, Sungtek Kahng, "A Nature-Inspired Optimization Technique for Metasurfaces to Improve the Isolation between 5G MIMO Antennas," Busan, Korea (South), 2018. 23-26.

S. Kahng, Dajung Han, Changhyeong Lee, Heejun Park, A. Andujar, J. Anguera, "AMC-Backed Dipole Array Antenna for Beamforming Less Vulnerable to Nearby Metal Planes," 12th European Conference on Antennas and Propagation (EuCAP 2018), London, UK, 2018, 4, 9-13.

J. Anguera, A. Andújar, J.L. Leiva, C. Schepens, R. Gaddi, S. Kahng, "Multiband antenna operation with a non-resonant element using a reconfigurable matching network," 12th European Conference on Antennas and Propagation (EuCAP 2018), London, UK, 2018, 4, 9-13.

D. Han, C. Lee, H. Park, A. Rehman, M. S. Khattak, J.-P. Kim, and S. Kahng, " Waveguide Multi-Mode Filter Synthesis for Satellite/Aerospace/Radars and Investigating Its High-Power Handling Capability", Proc. of KJMW 2017, 2017 12

Changhyeong Lee, Dajung Han, Heejun Park, Sungtek Kahng, "A Thin AMC-Combined Loop Antenna Applicable to Wearable Devices", Proc. of APMC 2017, 2017, 11

C. Lee et al., "Small-sized metamaterial feeding system combined polarization-reconfigurable antenna," 2017 International Symposium on Antennas and Propagation (ISAP), Phuket, Thailand, 2017, pp. 1-2.

Changhyeong Lee, Heejun Park, Minwoo Park, Yejun Seo and Sungtek Kahng, “Light-Weight Beamforming Antenna with Butler Matrix for V2X Communication”, SMART WATER GRID INTERNATIONAL CONFERENCE, November, 2017, Incheon, South Korea

Changhyeong Lee, Heejun Park, Minwoo Park, Yejun Seo and Sungtek Kahng, “Optimization of a Rectenna for Energy Harvesting Devices to Water Control”, SMART WATER GRID INTERNATIONAL CONFERENCE, November, 2017, Incheon, South Korea

Changhyeong Lee, Dajung Han, Heejun Park, Abdul Rehman, Muhaamad Salman Khattak and Sungtek Kahng, “Design of Flat Beamforming Antennas using Metamaterials”, Joint Conference on Satellite Communication (JC-SAT 2017), Okinawa, Japan, 2017, 10

Changhyeong Lee, Dajung Han, Heejun Park, Abdul Rehman, Muhaamad Salman Khattak and Sungtek Kahng, “Metamaterial Filter and Duplexer for X-band and Ku-band Satellite Communication”, Joint Conference on Satellite Communication (JC-SAT 2017), Okinawa, Japan, 2017, 10

S. Kahng, M. K, Khattak, M. S. Khattak, A. Rehman, C. Lee, D. Han and H. Park, “Hybrid MIMO Antennas for Future 5G Smartphone Applications”, Asia-Pacific Conference on Antenna and Propagation (APCAP), 2017, October, Xi`an, China

Abdul Rehman, M. S. Khattak, Changhyeong Lee, Dajung Han, Heejun Park, M. K. Khattak, and Sungtek Kahng, “Coupling Matrix Synthesis Method for Microwave Filters using Genetic Algorithm Optimization,” META & AES 2017, 25 – 28 JULY 2017, INCHEON – KOREA

Muhammad Salman Khattak, Abdul Rehman , Changhyeong Lee, Dajung Han, Hejun Park, Sungtek Kahng, Muhammad Kamran Khattak, "Evolution-Strategy Optimized Dual-Band Antenna for UHF-band RFID/IoE Applications," META & AES 2017, 25 – 28 JULY 2017, INCHEON – KOREA

Heejun Park, Dajung Han, Changhyeong Lee, M. Kamran Khattak, Sungtek Kahng and Hosub Lee "Adaptive GPS Array Antennas Using the Non-Linear ω-β Metamaterial Feeds," META & AES 2017, 25 – 28 JULY 2017, INCHEON – KOREA

M. K. Khattak, H. Park, M. S. Khattak, A. Rehman, D. Han, C. Lee and S. Kahng, "A 4x4 Ku-band Array Antenna Excited by Variable CRLH Phase-Shift Lines Network, "META & AES 2017, 25 – 28 JULY 2017, INCHEON – KOREA

Changhyeong Lee, Dajung Han, Heejun Park, Abdul Rehman, Muhammad Salman Khattak, Muhammad Kamran Khattak and Sungtek kahng, "Study on the Technique to Improve the Isolation in the MIMO Quasi-Yagi AP Antenna by Using Small Metamaterial Phase-Shifters,” META & AES 2017, 25 – 28 JULY 2017, INCHEON – KOREA

Heejun Park, Dajung Han, Changhyeong Lee, M. Kamran Khattak, and Sungtek Kahng, Hosub Lee, "Adaptive GPS Array Antennas Using the Non-Linear ω-β Metamaterial Feeds",

Muhammad Salman Khattak, Abdul Rehman, Heejun Park, Dajung Han, Changhyeong Lee and Sugtek Kahng, “The GA Optimization for Filter Synthesis,” ISMOT 2017, Seoul, Korea

Heejun Park, Dajung Han, Changhyeong Lee, Abdul Rehman, Muhammad Salman Khattak, Muhammad Kamran Khattak, and Sungtek Kahng, “A WPT device Robust against Metal Plate using the Metamaterial Surface,” ISMOT 2017, Seoul, Korea

C. Lee, D. Han, H. Park, A. R. Khan, M. S .Khattak, M. K. Khattak, S. Kahng, "Flat Millimeter-Wave Antenna to Broaden the Beam Coverage for 5G Mobile Communication," ISMOT 2017, Seoul, Korea

M. Kamran Khattak, Sungtek Kahng, M. Salman Khattak, A. Rehman, C. Lee, D. Han, "A Low profile, Wideband and High Gain Beam-steering Antenna for 5G Mobile Communication , " 2017 IEEE AP-S Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, San Diego, USA

Changhyeong Lee, Dajung Han, Heejoon Park, Sungtek Kahng and Muhammad Kamran Khattak, " A Planar 8-Way Radial Power-Splitter Combined Flat AP-Antenna With Increased H-Plane Gain , " 2017 IEEE AP-S Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, San Diego, USA

H. Park, C. Lee, D. Lee, M. K. Khattak, S. Kahng and D. Roh, "Metamaterial-embedded beamforming phased-array antennas for degradable GPS links," 2017 IEEE International Conference on Computational Electromagnetics (ICCEM), Kumamoto, 2017, pp. 221-222.

Dajung Han, Changhyeong Lee, Heejun Park, S. Kahng "Antenna Design for 4-by-4 MIMO Communication", Proc. of ICSC 2016, 2016. 12

Dajung Han, Changhyeong Lee, Muhammad Kamran Kattak, S. Kahng "A Small and Thin Metasurface Loop Antenna", Proc. of ISAP 2016, 2016. 10

C. Lee, D. Han, H. Park, S. Kahng 외 3명, "Nature-Inspired Microstrip Antennas For High-Directivity: Fractals and Ge-netics", Proc. of APMET 2016, 2016. 10

S. Kahng, Heejun Park, Changhyeong Lee, Dajung Han, Jihye Lee, Hosub Lee, "L-band Waveguide Filter for Satellite L-band Communication", Proc. of JC-SAT 2016, 2016. 10

S. Kahng, Changhyeong Lee, Dajung Han, Jihye Lee, Heejun Park, Joongpyo Kim, "Metamaterial Beamforming/Multi-Beam Antenna Feeds for Satellite Communication", Proc. of JC-SAT 2016, 2016. 10

M. K. Khattak, C. Lee, D. Han, J. Ju, S.Kahng, "Improved isolation between closely spaced multiple dipole antennas using a metasurface structure", Proc. of EMC Europe 2016, 2016. 9

M.K.Khattak, C. Lee, D. Han, K. kahng, S. Kahng, "Investigating Electromagnetic Power Transfer Ratio of Circular Polarizing Planar Metasurface Lens", Proc. of URSI AP-RASC2016, 2016. 8

D. Han, C. Lee, Khattak, H. Park, S. Kahng, "Low-SAR Metasurface-based Dipole and Its Beamforming Array", APCAP 2016, 2016. 7

Muhammad Kamran Khattk, S. Kahng 외 2명, "Desing of Metasurface-Backed Printed Dipoles", Proc. of EUCAP 2016, 2016. 4

S. Kahng, J. Jeon, M. K. Khattak, K. Jang, H. Kim, H. Oh, and J. Kim, "CRLH Leaky-Wave Beam-Forming Antenna with Enhanced Gain for the V2X Communication," Proc. of ISAP 2015, Vol.1, No.1, pp.213-214, 2014

H. Kim, J. Jeon, M. K. Khattak, S. Kahng, S. Yoo, and S. Lee, "A Compact Polyhedron Dipole Antenna for MultiBand Mobile Communication," Proc. of ISAP 2015, Vol.1, No.1, pp.21-22, 2015

D. Han, C. Lee, M. K. Khattak, H. Park, and S. Kahng, "Low-Profile Wideband Antennas Based on Tightly Coupled Dipole and Patch Elements," Proc. of APCAP 2016 (An invited talk, Paper Number: 0284)

M. K. Khattak, C. Lee, D. Han, and S. Kahng, "Flat Rotman Lens for 5G Beamforming Antenna," Proc. of APCAP 2016 (A contributed paper, Paper Number: 0223)

M. K. Khattak, C. Lee, D. Han, H. Park, J. Ju, and S. Kahng, "Improved Isolation Between Closely Spaced Multiple Dipole Antennas Using a Metasurface Structure," Proc. of EMC Europe 2016 (A contributed paper, Paper Number: 271)

S. Kahng, D. Han, C. Lee, and M. K. Khattak, "Investigating Electromagnetic Power Transfer Ratio of Circular Polarizing Planar Metasurface Lens," Proc. of AP-RASC 2016 (An invited talk, Paper Number: 1005)

H. Kim, J. Jeon, M. K. Khattak, S. Kahng, S. Yoo, "Design of a Dual-Band LTE MIMO Antenna to be Embedded in Automotives" International Symposium on Antennas and Propagation 2015

Jinsu Jeon, Muhammad Kamran Khattak and Sungtek Kahng, "Mitigating the Ground-Bounce by Adjusting the Boundary Condition and k-Vectors of the Structure" APEMC 2015

Hyunsoo Kim, Seungjae Lee, Muhammad Kamran Khattak, and Sungtek Kahng, "A Compact Polyhedron Dipole Antenna for Multi Band Mobile Communication," International Symposium on Antennas and Propagation 2015

Sungtek Kahng, M. K. Khattak, H.-S. Kim, S.-H. Oh, H.-S. Kim," A PSO-Optimized, Compact UWB Bandpass Filter Suppressing the WLAN and the Spurious Harmonics" APMC 2015

Sungtek Kahng, Muhammad Khattak, Jeongho Ju, "An Ultra-Compact VHF CRLH-Line Bandpass Filter Less Than (λg/19)^2 With a Broad Stopband," Metamaterials 2015, Oxford, September 7-12, 2015

S. Kahng, M. K. Khattak, J. -S. Jeon, K. -N. Jang, H. -S. Kim, K. -H. Koo and H. -S. Oh, Incheon National University, Korea, Innertron Co. Ltd., Korea, "Metamaterial CRLH Common-Mode Current Detector for Differential-Mode Feeding in Printed Circuits", 2014 Korea-Japan Microwave Workship (KJMW 2014), Gyeonggi Small Business Center (GSBC), Suwon, Korea, December 4-5, 2014

K. Jang, H. Kim, M.K. Khattak, J. Jeon, K.-H. Koo, H.-J. Kim, H.-S. Lee, S. Kahng, Incheon National Univ., REPUBLIC of KOREA, LIG NEX 1 Co., Ltd., REPUBLIC of KOREA,, "Fully-Printed Phase-Compensation Method for the Outputs of the Compact Metamaterial Dual-Band 3-Way Power-Divider", IEEE Asia-Pacific Microwave Conference, Sendai International-Center, Sendai, Japan., November 4-7, 2014

Sungtek Kahng, Jinsu Jeon, M. Kamran Khattak, Hyeonsu Kim, Kyeongnam Jang, W.-H. Park, Dept. of Info. & Telecomm. Eng., Incheon national university, GCoE, CISCO Systems Korea Ltd. "Evolution-Strategy Optimized Dual-Band Antenna for UHF-band RFID/IoE Applications", Proceedings of THE 10TH ASIA-PACIFIC ENGINEERING RESEARCH FORUM ON MICROWAVES AND ELECTROMAGNETIC THEORY, Fukuoka Institute of Technology, Fukuoka, Japan, October 31-November 1, 2014

K. Jang, S. Kahng, J. Jeon, J. Anguera, University of Incheon, Incheon, Republic of Korea, Fractus, Barcelona, Spain., "Small Dual-Band 3-Way Metamaterial Power-Divider with the Phase-Compensated Outputs", European Microwave Week 2014 Fiera di Roma, Rome, Italy, October 5-10, 2014

Kyungseok Kahng, Kyeongnam Jang, Sungtek Kahng, Hosub Lee, Byung-Gi Jeong, Incheon National University, Republic of Korea, LIG Nex1, Republic of Korea, "A Low-Profile Dual-Band SIW Slot-Array Antenna based on LH Material Waveguides for a Satellite Communication Receiver", Radio Science Meeting (Joint with AP-S Symposium), 2014 USNC-URSI, Memphis, TN, USA, page.58, July 6-11, 2014

Jinsu Jeon, Kyeongnam Jang, Sungtek Kahng, Changlim Park, Dept. of Inf. & Telecommun. Eng., Incheon Nat. Univ., Incheon, South Korea, Simplex, Republic of Korea, "Design of a miniaturized UHF-band Zigbee antenna applicable to the M2M/IoT communication", Antennas and Propagation Society International Symposium (APSURSI), 2014 IEEE, Memphis, TN, pages.382-383, July 6-11, 2014

K. Jang, J.Jeon, S. Kahng, S. Kim, and J. Jung "Handset Beamforming Antennas Adoptable to 5G Wireless Communication",GSMM 2014(Global Symposium on Millimeter Wave Technology), page(s):8 , 2014. 5

Sungtek Kahng, Kyeongnam Jang, Jinsu Jeon, and H.-S. Lee "A Multi-Function GPS Antenna Array for Anti-Jamming",AWAP 2014(2014 Asian Workshop on Antenna & Propagation), page(s):1 , 2014. 5

S. Kahng, K. Jang, J.Jeon, H. Oh "A Metematerial-Inspired and Embedded Structure to Damp the Resonance of the Power/Ground Planes",EMC Tokyo 2014 (2014 International Symposium on Electromagnetic Compatibility), page(s):31 , 2014. 5

Sungtek Kang, Kyeongnam Jang, Jinsu Jeon, Inkyu Yang, Kyungseok Kahng, Se-gyoon Mok, Jaume Anguera "Wideband and Low-Profile Metamaterial Antennas for Aircrafts and Automobiles",Europian Conference on Antennas and Propagation(EuCAP) ,Vol. 1, NO. 1, page(s):823-824 , 2014.4

S. Kahng, K. Jang, J. Jeon, H. Oh (Incheon National University, Korea, Innertron Co. Ltd., Korea), "A Metamaterial-Inspired and Embedded Structure to Damp the Resonance of the Power/Ground Planes", 2014 International Symposium on Elecromagnetic Compatibility, Tokyo (EMC' 14/Tokyo), Hitotsubashi hall (National Center of Sciences), May 12-16, 2014

Ju Jeong Ho, Eom Sung Yong, Kim Joung Myoun, Song Myung Sun, Choi Jae Ick "Study on a Leaky Wave Antena for High Gain," 2013 Asia-Pacific Microwave Conference, November 7, 2013

Sungtek Kahng, Kyungseok Kahng, Inkyu Yang, Jinil Lee, Hosub Lee "Metamaterial-Based Planar Waveguide Filters and Components for Light-Weight Multi-Channel Vehicular Transceivers," 2013 Asia-Pacific Microwave Conference, November 7, 2013

Yoon-myoung Gimm, Youngjumn Ju, Sungtek Kahng, Yuri Lee, Seungbae Lee "Quick SAR Measurement System by 2D Array E-field Sensors," 2013 Asia-Pacific Microwave Conference, November 7, 2013

K. Jang, S. Kahng, K. Kahng, I. Yang, Y. Kim "Reducing the Interference in Compact MIMO Antennas of CRLHTL- Based Broadside- Capacitive and Slot Couplings," European Microwave Week, 2013 , October 2013

I. Yang, S. Kahng, K. Kahng, J. Lee,D. Eom "Dual-Band Unequal Power-Divider Miniaturized by Fully Printed CRLH Phase-Shift Lines," European Microwave Week, 2013 , October 2013

Inkyu Yang, Sungtek Kahng, Kyungseok Kahng, Segyoon Mok, Seongryong Yoo, Jaume Anguera, "Flat Metamaterial Antenna with Dual-Circular-Polarization at the -1st-Order-Resonance Mode, applicable to Reconfigurable RF Systems," Antennas and Propagation (APSURSI), 2013 IEEE International Symposium on , Page Number :3924, July 2013

Kyeongnam Jang, Sungtek Kahng, Inkyu Yang, Kyungseok Kahng, J. K. Cho, "Triple-Band Spiral Antenna Array fed by Composite Right- and Left-Handed Power-Divider for Gain-Enhancement as a Flat Structure," Antennas and Propagation (APSURSI), 2013 IEEE International Symposium on , Page Number :3477, July 2013

S. Kahng, "Low-profile metamaterial antennas with high directive electromagnetic radiation," (invited) 3rd Korea-Japan Metamaterials Forum, June, 2013

Kyungseok Kahng, Inkyu Yang, Sungtek Kahng, Jaume Anguera, Ju Yong Lee, "Design of Four MIMO Handset Antennas " European Conference on Antennas and Propagation (EuCAP), 2013 7th page:723-725 Aprill 2013

S. Kahng, K. Kahng, D. Eom, B. Lee, S.-G. Mok, and J. Ju, "Design of a 2D Leaky-Wave Inspired Low-Profile Antenna with High Directivity," Asia-Pacific Engineering Research Forum on Microwaves and Electromagnetic Theory 2012 Proceedings, October, 2012

S.Kahng, "A Compact Metamaterial UWB Power-Divider Fed Wide-Band Array Antenna," Proceeding of ISAP 2012, 29 Oct-2 Nov 2012

Boram Lee, Geonho Jang, Sungtek Kahng, Da-jeong Eom, Inkyu Yang, Kyungseok Kahng, H. Kim, "Compact Duplexer for the UWB system using novel CRLH Bandpass Filters," Proceedings of APMC 2012,4-7 Dec 2012

Da-jeong Eom, Sungtek Kahng, Boram Lee, Chunsik Woo, Hosub Lee, "Wide-band Power Divider Miniaturzed Combining CRLH ZOR Bandpass Filters," Proceedings of APMC 2012,4-7 Dec 2012

Seongryong Yoo, Kyung-seok Kahng, Sungtek Kahng, In-Kyu Yang, Jeongho Ju, and Jaume Anguera, "The design of CRLH-based compact LTE MIMO antennas," Proceedings of European Conference on Antennas ans Propagation 2012,26-30 March 2012

Sungtek Kahng, Boram Lee, Dajeong Eom, Geonho Jang"Filtered Antenna for UWB system : Band-Selective and Compact Feed by Filters/Channel-Combiners with/without Metamaterials," IEEE Asia-Pacific Conference on Antennas and Propagation, August 2012

Sungtek Kahng, Kyungseok Kahng, Dajeong Eom, Boram Lee, Segyoon Mok, Seongryong Yoo, Jong-Guk Kim, Jeong-Hoon Cho, Kyungsuk Kim, "A Metamaterial-Inspired Handset Antenna with the SAR Reduction," IEEE International Symposium on EMC, August 2012

Da-jeong Eom, Sungtek Kahng, Boram Lee, Se-gyoon Mok, Seongryong Yoo, "Novel Common-Mode Current Detector using Metamagerial CRLH Transmission-Line Structure," IEEE International Symposium on EMC(nominated as the best symposium paper), August 2012

Dongjin Lim, Dajeong Eom, Sungtek Kahng, Boram Lee , "Compact Antenna Design for the UWB Lower Half-Band WVAN Gbps Data-Rate Transceiver , " The First International Joint Workshop on Intelligent Convergence Technology , 21~23 Jun. 2012

Jeongpyo Kim, Sungtek Kahng, Seongryong Yoo, "Design of Compact and Broadband Wilkinson Baluns using Metamaterial Phase Shifting Transmission Lines for Antennas, " The First International Joint Workshop on Intelligent Convergence Technology , 21~23 Jun. 2012

Da-jeong EOM, "Compact and Low-Cost Metamaterial-Based Feed Network for Dual-Band Beam-Forming Antenns, " 2012 International Military Science and Technology Fair , 22 Jun. 2012

Boram Lee, Sungtek Kahng, Dajeong Eom, and Seongyong Yoo, "Compact UHF 5th-Order Bandpass FIlter with Sharp Skirt by CT-ZORs, " 2012 International Microwave Symposium , 21 Jun. 2012

S. Yoo, S. Kahng, S Mok, "Compact MIMO Antenna of the Open-Loop and Meandered Line 1-Layer Radiators with Improved Isolation, " 2012 IEEE Antennas and Propagation Society International Symposium , 13 Jun. 2012

K. Kahng, S. Kahng. I Yang, "Circular Polarization Metamaterial Superstrate Excited by a CRLH Antenna, " 2012 IEEE Antennas and Propagation Society International Symposium , 12 Jun. 2012

Inkyu Yang, "Methodology to Tackle the Noise Against the Signal Integrity for Slit PCB power/Ground Planes, " 2012 Korea-Japan EMT/EMC/BE Joint conference , 18 Mar. 2012

Sungtek Kahng, Kyungseok Kahng, Seongryong Yoo, Jeongho Ju, "Circular polarization metamaterial superstrates excited by a CRLH antenna," The Institute of Electronics, Information and Communication Engineers (IEICE), Technical Committee on Antennas and Propagation (AP) 2012 , 9 Jan. 2012, Okinawa

S.Kahng, S.Mok, S.Yoo, D.Lim, J.Ju, K.Kim and H.Kim, "A small antenna for the handheld device using a

split-ring inspired resonator with tunability," International Symposium On Antennas And Propagation(ISAP), 27 Oct. 2011

Sungtek Kahng, Geonho Jang, Boram Lee, Jeongho Ju, Seungsik Lee, "Compact UHF Bandpass Filter with the Subwavelength Metamaterial ZORs and Transmission Zeros for Enhanced Channel Selectivity," Metamaterial Applications European Microwave Conference(EUMC), 13 Oct. 2011

S.-G. Mok, S. Kahng, Y. Kim, "WIDENED BANDWIDTH OF A METAMATERIAL ZOR PATCH ANTENNA WITH A SHORT-CIRCUITED RING," Electromagnetics in Advanced Applications (ICEAA), 2010 International Conference, Sep. 2011

Sungtek Kahng, Mittra.R "Equivalent circuit model order reduction by real-coefficient AFS," Electromagnetic Compatibility (EMC), 2011 IEEE International Symposium on , Page(s): 916 - 919, July. 2011

Seongryong Yoo, Sungtek Kahng, Geonho Jang, Se-gyoon Mok, Anguera. J, Jaehoon Choi, "A novel metamaterial CRLH ZOR circular patch antenna capacitively coupled to a circular ring," Antennas and Propagation (APSURSI), 2011 IEEE International Symposium on , Page(s): 1062 - 1064, July. 2011

Sungtek Kahng, "The Field of Power/Ground Planes influenced by the HPEM Source, and its Damage Reduction," Asia-Pacific EMC Symposium(APEMC) , Paper 210,17-18 May. 2011

Seung-Sik Lee, Sangjae Lee, Sangsung Choi, Sungtek Kahng, "A WiX RF transceiver for Gbps wireless communication," Consumer Electronics (ICCE), 2011 IEEE International Conference on , vol., no., pp.427-428, 9-12 Jan. 2011

Seongryong Yoo, Sungtek Kahng, Geonho Jang, J. Anguera, and In-gyu Yang, "Circular polarization from a ZOR patch-coupled rectangular ring-mushroom antenna", Antennas and Propagation (EUCAP), Proceedings of the 5th European Conference on , vol., no., pp.1097-1099, 11-15 April 2011

C. Picher, J. Anguera, A. Andujar, C. Borja, C. Puente, S. Kahng, "Reuse of the mobile communication antenna for FM reception," Antennas and Propagation (EUCAP), Proceedings of the 5th European Conference on , vol., no., pp.324-327, 11-15 April 2011

Sungtek Kahng, Geonho Jang, and Gyungheon Koo (University of Incheon), "A Dual-Mode Narrow-Band Channel Filter for a Ka-Band Satellite Transponder with a Procedural Tuning Technique," Global Symposium on Millimeter Waves 2010(GSMM 2010), April 14-16, 2010

Sungtek Kahng, Geonho Jang, J. Anguera, "Metamaterial dual-band Bandpass filters using CRLH zero-order-resonators and improving its intermediate stopband," Antennas and Propagation (EuCAP), 2010 Proceedings of the Fourth European Conference on , vol., no., pp.1-3, 12-16 April 2010

Sungtek Kahng, Tae-Kyung Chung, Hyeong-seok Kim, "GA-optimiation to damp the resonance of large power/ground planes, combined with Adaptive Frequency Sampling," Electromagnetic Field Computation (CEFC), 2010 14th Biennial IEEE Conference on , vol., no., pp.1, 9-12 May 2010

Geonho Jang, Sungtek Kahng, and Segyoon Mok, "A Novel Metamaterial CRLH ZOR Microstrip Patch Antenna Capacitively Coupled to a Rectangular Ring",Electromagnetics in Advanced Applications (ICEAA), 2010 International Conference,2010.09

Sungtek Kahng, Dong-Geun Choi, Hak-Tae Oh, Do-Hwan Kwon, Sun-goo Kim, Chan-ho Jeong, "Investigating the effect of the electromagnetic field from a multi-band antenna embedded mobile phone on the Hearing Aid compatibility," Electromagnetics in Advanced Applications (ICEAA), 2010 International Conference on , vol., no., pp.546, 20-24 Sept. 2010

Geonho Jang, Sungtek Kahng, Jeongho Ju, J. Anguera, J. Choi, "A novel metamaterial CRLH ZOR microstrip patch antenna capacitively coupled to a rectangular ring," Antennas and Propagation Society International Symposium (APSURSI), 2010 IEEE , vol., no., pp.1-4, 11-17 July 2010

Sungtek Kahng, H. Bak, Jeongho Ju, H. Kim, D. Lim, "Real-coefficient AFS derived for the equivalent circuit modelling of RF passives," Electromagnetic Compatibility (APEMC), 2010 Asia-Pacific Symposium on , vol., no., pp.851-853, 12-16 April 2010

Sungtek Kahng, Geonho Jang, J.Anguera, "Metamaterial Dual-Band Bandpass Filters Using CRLH Zero-Order-Resonators and Improving its Intermediate Stopband," Antennas and Propagation (EuCAP), 2010 Proceedings of the Fourth European Conference,2010.04

Picher, C.; Anguera, J.; Andujar, A.; Puente, C.; Kahng, S.; , "Analysis of the Specific Absorption Rate in handset antennas with slotted ground planes," Antennas and Propagation (EuCAP), 2010 Proceedings of the Fourth European Conference on , vol., no., pp.1-5, 12-16 April 2010

Hyun Paek; Koon-Tae Kim; Sungtek Kahng; Hyeong-Seok Kim; , "Improved equivalent circuit modeling for RF components by the real-coefficient adaptive frequency sampling technique," Electromagnetic Field Computation (CEFC), 2010 14th Biennial IEEE Conference on , vol., no., pp.1, 9-12 May 2010

Geonho Jang; Eun Chul Shin; Cheon-Hee Lee; Chul-Min Shin; Sungtek Kahng; , "Design of dualband metamaterial bandpass filter using zeroth order resonance," Microwave Conference, 2009. APMC 2009. Asia Pacific , vol., no., pp.492-495, 7-10 Dec. 2009

Eunchul Shin; Geonho Jang; Sungtek Kahng; , "The compact UHF CT-type Bandpass filter with a mixed coupling," Microwave Conference, 2009. APMC 2009. Asia Pacific , vol., no., pp.2053-2055, 7-10 Dec. 2009

Sungtek Kahng; Jeongho Ju; , "Improving the stopband of the UWB bandpass filter with a novel compact 1-cell CRLHTL geometry with additional nulls," Antenna Technology, 2009. iWAT 2009. IEEE International Workshop on , vol., no., pp.1-4, 2-4 March 2009

Sungtek Kahng; Shin, E.C.; Jang, G.H.; Anguera, J.; Ju, J.H.; Jaehoon Choi; , "A UWB antenna combined with the CRLH metamaterial UWB bandpass filter having the bandstop at the 5 GHz-band WLAN," Antennas and Propagation Society International Symposium, 2009. APSURSI '09. IEEE , vol., no., pp.1-4, 1-5 June 2009

Sungtek Kahng; EunChul Shin; Jaehoon Choi; , "Design of a modified monopole antenna for the quadband communication," Electromagnetics in Advanced Applications, 2009. ICEAA '09. International Conference on , vol., no., pp.355-356, 14-18 Sept. 2009

Sungtek Kahng; Jeongho Ju; , "Improved stopband of a compact 1-cell CRLH-TL UWB bandpass filter by forming additional nulls," Antennas and Propagation, 2009. EuCAP 2009. 3rd European Conference on , vol., no., pp.2599-2601, 23-27 March 2009

Sungtek Kahng; Joong-pyo Kim; , "The S-band quadrafilar antenna on a satellite with the little backradiation and flat forward pattern designed by GA optimization," Antennas and Propagation Society International Symposium, 2009. APSURSI '09. IEEE , vol., no., pp.1-4, 1-5 June 2009

S. Kahng, "Metamaterial GSM-Bandpass Filter of Zero Order Resonators with Inductive Coupling Inverters ",Int'l Sympoisum on Antennas & Propagation,2008.10

Sungtek Kahng; , "Efficient modelling of the slot in the parallel-plate structure in PCB/packaging using the closed-form Green’s function," Electromagnetic Compatibility and 19th International Zurich Symposium on Electromagnetic Compatibility, 2008. APEMC 2008. Asia-Pacific Symposium on , vol., no., pp.347-350, 19-23 May 2008

Sungtek Kahng; Jeong-ho Ju; , "Realized Metamaterial CRLH Bandpass Filter for UHF-Band WLAN with Harmonics Suppressed," Art of Miniaturizing RF and Microwave Passive Components, 2008. IMWS 2008. IEEE MTT-S International Microwave Workshop Series on , vol., no., pp.98-101, 14-15 Dec. 2008

Sungtek Kahng; Jaehoon Choi; , "GA-optimization approach to remove the noise due to the resonance mode of the slit parallel-plate structure," Antennas and Propagation Society International Symposium, 2008. AP-S 2008. IEEE , vol., no., pp.1-4, 5-11 July 2008

Sungtek Kahng; , "Characteristics of the resonance and impedance of power-bus structure with the embedded metamaterial substrate," Advanced Packaging and Systems Symposium, 2008. EDAPS 2008. Electrical Design of , vol., no., pp.16-19, 10-12 Dec. 2008

Sungtek Kahng; Jeongho Ju; , "Design of the UWB band Pass filter based on the 1 cell of microstrip CRLH-TL," Microwave and Millimeter Wave Technology, 2008. ICMMT 2008. International Conference on , vol.1, no., pp.69-72, 21-24 April 2008

Sungtek Kahng; , "Study on the mitigation of the resonance due to the power-bus structure using periodic metal-strip loaded sheets," Electromagnetic Compatibility, 2008. EMC 2008. IEEE International Symposium on , vol., no., pp.1-4, 18-22 Aug. 2008

Sungtek Kahng; Jeong-ho Ju; , "Left-Handedness based Bandpass Filter Design for RFID UHF-Band applications," Microwave Conference, 2007. KJMW 2007. Korea-Japan , vol., no., pp.165-168, 15-16 Nov. 2007

Sungtek Kahng; , "GA-optimization for finding decoupling capacitors to damp the rectangular power-bus resonances," ,Electromagnetic Compatibility, 2007. EMC Zurich 2007. 18th International Zurich Symposium on , vol., no., pp.103-106,24-28 Sept. 2007

Sungtek Kahng; Wongyu Moon; Jeongho Ju; , "Developing the 150%-FBW Ku-Band Linear Equalizer,",Microwave Conference, 2007. APMC 2007. Asia-Pacific , vol., no., pp.1-3,11-14 Dec. 2007

Sungtek Kahng; , "Computational method hybridizing 2D periodic green’s functions and DCIM for the strips in layered media,",Antennas and Propagation Society International Symposium, 2007 IEEE , vol., no., pp.5015-5018,9-15 June 2007

Sungtek Kahng; , "Efficient evaluation of a 2-feed method to reduce fields along the edge of the power/ground planes,",Microwave Conference, 2006. APMC 2006. Asia-Pacific , vol., no., pp.1292-1295,12-15 Dec. 2006

Sungtek Kahng; , "Differential signaling scheme for the rectangular power-bus to reduce the edge radiation," ,Electromagnetic Compatibility, 2006. EMC 2006. 2006 IEEE International Symposium on , vol.3, no., pp.718-720,14-18 Aug. 2006

Sungtek Kahng; Jaehoon Choi; , "Correlated effects of decoupling capacitors and vias loaded in the PCB power-bus,",Antennas and Propagation Society International Symposium 2006, IEEE , vol., no., pp.77-80,9-14 July 2006

Seunggil Jeon; Yeonsik Yu; Sungtek Kahng; Juderk Park; NaeSoo Kim; Jaehoon Choi; , "Dual-band Dipole Antenna for ISO 18000-6/ISO 18000-4 Passive RFID Tag Applications,",Antennas and Propagation Society International Symposium 2006, IEEE , vol., no., pp.4285-4288,9-14 July 2006

Sungtek Kahng; Hyeong-Seok Kim; Braunstein, J.; , "Analysis on the Radiated Emission from the DC Power-Bus by a Fast Calculation Technique,",Electromagnetic Field Computation, 2006 12th Biennial IEEE Conference on ,2006

Braunstein, J.; Hyeong-Seok Kim; Sungtek Kahng; Sang-Hoon Ha; , "A Multi-Expression Programming Application to the Design of Planar Antennae," ,Electromagnetic Field Computation, 2006 12th Biennial IEEE Conference on,2006

Sungtek Kahng; Hyeong-Seok Kim; , "Study on the Multi-Feed Method to improve the On-Edge Fields of the DC Power-Bus by a Fast Calculation Technique,",Electromagnetic Field Computation, 2006 12th Biennial IEEE Conference on,2006

Sungtek Kahng; , "A differential-signaling analysis with the decoupling-capacitor loaded rectangular power-bus by a fast calculation method," ,Electromagnetic Compatibility, 2006. EMC 2006. 2006 IEEE International Symposium on , vol.2, no., pp.290-292,14-18 Aug. 2006

Sungtek Kahng; , "Estimation of radiated emission from the power/ ground planes and its reduction using an improved calculation method," ,Microwave Conference, 2006. APMC 2006. Asia-Pacific , vol., no., pp.377-380,12-15 Dec. 2006

Sungtek Kahng; , "An efficient design method of RF filters via optimized rational-function fitting, without coupling-coefficient similarity transformation,",Microwave Conference Proceedings, 2005. APMC 2005. Asia-Pacific Conference Proceedings , vol.5, no., pp. 3 pp.,4-7 Dec. 2005

Cho, Y.H.; Sung-Tek Kahng; Wonkyu Choi; Man-Lyun Ha; Pyo, C.; Young-Se Kwon; , "A frequency agile floating-patch MEMS antenna for 42 GHz applications," ,Antennas and Propagation Society International Symposium, 2005 IEEE , vol.1A, no., pp. 512- 515 Vol. 1A,3-8 July 2005

Sungtek Kahng; ,"Study on Reducing Common-mode current on a wire through an aperture with a ring stack",EMC Zurich,2005.02

Kahng, S,"Realization of the Ka-band Input Multiplexer for the Satellite Payload System",Asia-Pacific Microwave Conference,2003.11

sungtek Kahng; ,"SDDI-Combined GA-Based DCIM for the Apertures of the Parallel Plates",Asia-Pacific Microwave Conference,2003.11

Sungtek Kahng; , “Efficient Hybrid Method of 2D Periodic Green's Functions and DCIM for the Periodic Strips in Layered Media",International Conference on Electromagnetics in Advanced Application,2003.09

Juseop Lee; Man Seok Uhm; Sungtek Kahng; Pil Yong Lee; Yom, I.; Seong-Pal Lee; , "A tuning method using a dummy cavity for dual-mode cavity filters," ,Radio and Wireless Conference, 2002. RAWCON 2002. IEEE , vol., no., pp. 67- 70,11-14 Aug. 2002

Juseop Lee; Sungtek Kahng; Man Seok Uhm; In-Bok Yom; and Seong-Pal Lee; , "Externally Equalized Dual-Mode Narrow-Band Filters for Ku & Ka band Satellite Application",Proc. of The 4th Topical Symposium on Millimeter Waves,2002.03