Sangbok Park, Yough-seek Chung, and Changyul Cheon, Simple technique for measurement of complex permittivity and detection of small permittivity change using partially open cavity , Journal of Electrical Engineering & Technology, Vol. 9, No. 1, pp.268-272, Jan. 2014

Yong-Sun Cho, Jong-Suk Ro, Young-Seek Chung, Changyul Cheon, and Hyun-Kyo Jung, Investigation of Electromagnetic Field Coupling with Twisted Conducting Line by Expanded Chain Matrix, Journal of Electrical Engineering & Technology, Vol. 8, No. 2, pp.364-370, Mar. 2013

Sangbok Park, Joosung Hwang, Youngwoo Kwon, and Changyul Cheon, Antenna system applicable to microwave non-invasive hyperthermia lipolysis, Electronics Letters, Vol. 48, No. 19, pp. 1179 - 1181, Sep. 2012

Joosung Hwang, Tae-Hee Woo, Sangbok Park, and Changyul Cheon, Microwave Hyperthermic Lipolysis Using External RF Antenna, Journal of Electrical Engineering & Technology, Vol. 7, No. 5, pp. 759-764, Jul. 2012

Kihyun Kim, Sumin Yun, Sungho Lee, Sangwook Nam,Young Joong Yoon, and Changyul Cheon, A Design of a High-Speed and High-Efficiency Capsule Endoscopy System, IEEE Trans. on Biomedical Engineering, Vol. 59, No. 4, pp. 1005-1011, Apr. 2012

Jeonghoon Yoon, Jeiwon Cho, Namgon Kim, Dae-Duk Kim, Eunsook Lee, Changyul Cheon and Youngwoo Kwon, "High-frequency microwave ablation method for enhanced cancer treatment with minimized collateral damage," International Journal of Cancer, Vol. 129, No. 8, pp. 1970-1978, Oct. 2011


Sang Heun Lee, Jaebok Lee, Young Joong Yoon, Sangbok Park, Changyul Cheon, Kihyun Kim, and Sangwook Nam, A Wideband Spiral Antenna for Ingestible Capsule Endoscope Systems: Experimental Results in a Human Phantom and a Pig, IEEE Trans. on Biomedical Engineering, Vol.58, No.6, pp. 1734-1741, Jun. 2011

Inchan Ju, Youngmin Kim, Sanghyo Lee, Sangsub Song, Jangsoo Lee, Changyul Cheon, Kwang-Seok Seo, and Youngwoo Kwon, V-Band Beam-Steering ASK Transmitter and Receiver Using BCB-Based System-on-Package Technology on Silicon Mother Board, IEEE Microwave and Wireless Components Letters, Vol. 21, No. 11, pp. 619-621, Nov., 2011

Y.-S. Bang, N. Kim, J.-M. Kim, C. Cheon, Y. Kwon, and Y.-K. Kim, Fabrication of hybrid shielded-stripline using half substrate integrated waveguide and half shielded-stripline structure, Electronics Letters, Vol. 47, No. 2, pp. 110-111, Jan. 2011

Yoon-Mi Park, Jong-Gun Lee, Changyul Cheon, Hyun-Kyo Jung, and Young-Seek Chung, Numerical Technique for Non Nonlinear Circuit Analysis Using the Method of Electromagnetic Tolpology Basedon Harmonic Balance, Electromagnetics, Vol. 30, pp. 541-553, 2010

Sangbok Park, Young-seek Chung, Youngwoo Kwon and Changyul Cheon, A novel two-port probe for complex permittiviety and permeability measurement of liquid and powder type materials, Microwave and optical technology letters, Vol. 51, No. 12, pp. 2977-2979, Dec. 2009

Dongki Kim, Kihyun Kim, Jungmin Oh, Jeiwon Cho, Changyul Cheon, and Youngwoo Kwon, A K-band Planar Active Integrated Bi-Directional Switching Heat Applicator With Uniform Heating Profile, IEEE Trans. on Microwave Theory and Techniques, Vol.57, No. 10, pp. 2581-2587, Oct. 2009

Namgon Kim, Jeonghoon Yoon, Sungjoon Cho, Jeiwon Cho, Changyul Cheon, and Youngwoo Kwon, An optimum Design Methodology for Planar-Type Coaxial Probes Applicable to Broad Temperature Permittivity Measurements, IEEE Trans. on Microwave Theory and Techniques, Vol. 56, No. 3, pp. 684-692, Mar. 2008

Junyeon Kim, Joonho So, Won Jang, and Changyul Cheon Segmented Analysis of a Finite Planar Ridged Tapered Slot Antenna Array for Wideband Phased Array, Microwave and Optical Technology Letters, Vol. 50, No. 5, pp. 1140-1143, May 2008

Sanghyo Lee, Sangsub Song, Youngmin Kim, Jangsoo Lee, Chang-yul Cheon, Kwang-Seok Seo, and Youngwoo Kwon, A V-band Beam-Steering Antenna on a Thin-Film Substrate with a Flip-Chip Interconnection, IEEE Microwave and Wireless Components Letters, Vol. 18, No. 4, pp. 287-289, Apr. 2008

J.-M. Kim, C. Cheon, Y. Kwon, and Y.-K. Kim, Half-coaxial-like transmission line using benzo cyclo butane layer, Electronics Letters, Vol.44, No. 13, pp. 18-19, Jun. 2008

Jung-Mu Kim, Sanghyo Lee, Yongsung Kim, Jong-Man Kim, Changyul Cheon, Youngwoo Kwon, and Yong-Kweon Kim, Novel MMIC Protection Technique in Plasma Etching Process for Mechanically Movable RF MEMS Antenna, Microwave and Optical Technology Letters, Vol. 50, No. 12, pp. 3089-3093, Dec. 2008

Young-Seek Chung, Yoonju Lee, Joonho So, Joonyeon Kim, Chang-Yul Cheon, Byungje Lee, and Tapan K. Sarkar, A Stable Solution of Time Domain Electric Field Integral Equation Using Weighted Laguerre Polynomials, Microwave and Optical Technology Letters, Vol. 49, No. 11, pp. 2789-2793, Nov. 2007

Junyeon Kim, Joonho So, Won Jang, and Changyul Cheon, Gain Estimation by Convergence of Active Element Pattern for E-Plane Notch Phased Array Antenna, Microwave and Optical Technology Letters, Vol. 49, No. 5, pp. 1047-1049, May. 2007

Jung-Mu Kim, Sungjoon Cho, Namgon Kim, Jeonghoon Yoon, Jeiwon Cho, Changyul Cheon, Youngwoo Kwon, Yong-Kweon Kima, Planar Type Micromachined Probe with Low Uncertainty at Low Frequencies, Sensors and Actuators A: Physical, Vol. 139, Issues 1-2, Sep. 2007

Kihyun Kwon, Sungkyu Lim, Sungjoon Cho, Jeonghoon Yoon, Jeiwon Cho, Changyul Cheon, and Youngwoo Kwon, Planar Type Probe With Multiple-Polarization Response for in-vivo Permittivity Measurements of Heterogeneous Biological Tissues, IEEE Microwave and Wireless Components Letters, Vol. 16, No. 1, pp. 684-692, Jan. 2006

Byoungjoong Kang, Jeiwon Cho, Changyul Cheon, Member, and Youngwoo Kwon, Nondestructive Measurement of Complex Permittivity and Permeability Using Multilayered Coplanar Waveguide Structures, Vol. 15, No. 5, pp. 381-383, May 2005

Jung-Mu Kim, Donghoon Oh, Jeonghoon Yoon, Sungjoon Cho, Namgon Kim, Jeiwon Cho, Youngwoo Kwon, Changyul Cheon and Yong-Kweon Kim, In Vitro and In Vivo Measurement for Biological Applications Using Micromachined Probe, IEEE Transactions on Microwave Theory and Techniques, Vol. 53, No. 11, pp. 3414-3421, Nov. 2005

Jung-Mu Kim, Dong Hoon Oh, Jae-Hyoung Park, Jei-Won Cho, Youngwoo Kwon, Changyul Cheon, and Yong-Kweon Kim, "Permittivity measurements up to 30GHz using micromachined probe, Journal of Micromechanics and Microengineering, Vol. 15, No. 3, pp. 543 - 550, Mar. 2005

Byoungjoong Kang, Jae-Hyoung Park, Jeiwon Cho, Kihyun Kwon, Sungkyu Lim, Jeonghoon Yoon, Changyul Cheon, Yong-Kweon Kim, and Youngwoo Kwon, Novel Low-Cost Planar Probes With Broadside Apertures for Nondestructive Dielectric Measurement of Biological Materials at Microwave Frequencies, IEEE Transactions on Microwave Theory and Techniques, Vol. 53 , No. 1, pp.134 ? 143, Jan. 2005

Chang-Wook Baek, Seunghyun Song, Jae-Hyoung Park, Sanghyo Lee, Jung-Mu Kim, Wooyeol Choi, Changyul Cheon, Yong-Kweon Kim, and Youngwoo Kwon, A V -Band Micromachined 2-D Beam-Steering Antenna Driven by Magnetic Force With Polymer-Based Hinges,, IEEE Transactions on Microwave Theory and Techniques, Vol. 51, No.1, pp. 325 ? 331, Jan. 2003

No-Weon Kang, Young-Seek Chung, Changyul Cheon, and Hyun-Kyo Jung, A New 2-D Image Reconstruction Algorithm Based on FDTD and Design Sensitivity Analysis, IEEE Transactions on Microwave Theory and Techniques, Vol. 2, pp.1143 ? 1146, Dec. 2002

No-Weon Kang, Changyul Cheon and Hyun-Kyo Jung, Feasibility Study on Beam-Forming Technique With 1-D Mechanical Beam Steering Antenna Using Niching Genetic Algorithm, IEEE Microwave and Wireless Components Letters, Vol. 12 , No. 12 , pp. 494 ? 496, Dec. 2002

Young-Seek Chung, Changyul Cheon, Il-Han Park, and Song-Yop Hahn, Optimal Design Method for Microwave Device Using Time Domain Method and Design Sensitivity Analysis Part II: FDTD Case," IEEE Transactions on Magnetics, Vol. 37, No. 5, pp. 3255 ? 3259, Sep. 2001

Young-Seek Chung, Jechung Ryu, Changyul Cheon, Il-Han Park, and Song-Yop Hahn, "Optimal Design Method for Microwave Device Using Time Domain Method and Design Sensitivity Analysis Part I: FETD Case," IEEE Transactions on Magnetics, Vol. 37, No. 5, pp.3289 ? 3293, Sep. 2001

Jinho Jeong, Youngwoo Kwon, Sunyoung Lee, Changyul Cheon, Emilio A. Sovero, "1.6- and 3.3-W Power-Amplifier Modules at 24 GHz Using Waveguide-Based Power-Combining Structures," IEEE Transactions on Microwave Theory and Techniques, Vol. 48, No. 12, pp. 2700 ? 2708, Dec. 2000

Young-Seek Chung, Changyul Cheon, Il-Han Park, and Song-Yop Hahn, "Optimal Shape Design of Microwave Device Using FDTD and Design Sensitivity Analysis," IEEE Transactions on Microwave Theory and Techniques, Vol. 48, No. 12, pp. 2289 ? 2296, Dec. 2000

Young-Seek Chung, Changyul Cheon, and Song-Yop Hahn, "Reconstruction of Dielectric Cylinders Using FDTD and Topology Optimization Technique," IEEE Transactions on Magnetics, Vol. 36, No. 4, pp. 956 ? 959, Jul 2000

Young-Seek Chung, Changyul Cheon, Joo-Hiuk Son, Song-Yop Hahn, "FDTD Analysis of Propagation Characteristics of Tera-Hertz Electromagnetic Pulses," IEEE Transactions on Magnetics, Vol. 36, No. 4, pp. 951 ? 955, Jul 2000

Chungwoo Kim, Insang Song, Cimoo Song, Changyul Cheon, Youngwoo Kwon, Sukhan Lee, "A micromachined cavity resonator for millimeter-wave oscillator applications," Sensors and Actuators, Vol. 83, 2000

Changyul Cheon, "Phase Noise Enhancement of the GaAs High Electron Mobility Transistors Using Micormachined Cavity Resonators at Ka-band", Japanese J. of Applied Physics, Vol. 38, 1999

Youngwoo Kwon, Changyul Cheon, Nyuntae Kim, Chungwoo Kim, Insang Song, Cimoo Song, "A Ka-Band MMIC Oscillator Stabilized with a Micromachined Cavity," IEEE Microwave and Guided Wave Letters, Vol. 9, No. 9, pp. 360 ? 362, Sep. 1999

Youngho Lee, and Changyul Cheon, Hyeong-seok Kim, " Shape Optimization of W/G Structure for Uniform Field Illumination," IEEE Transactions on Magnetics, Vol. 34, No. 5, pp. 3584 ? 3587, Sep. 1998

Seung-Hyun Song, Hong-bae Lee, Hyun-kyo Jung and Song-yop Hahn, Ki Sik Lee, Changyul Cheon, Hyeong-seok Kim " Spectral Domain Analysis of the Spiral Inductor on Multilayer Substrates," IEEE Transactions on Magnetics, Vol. 33, No. 2, pp. 1488 ? 1491, Mar. 1997

Hong-bae Lee, Hyun-kyo Jung, and Song-yop, Changyul Cheon, Ki Sik Lee, "Topology Optimization of Waveguide Tee Junction Using Edge Finite Element Method," Int. J. of Applied Electromagnetics and Mechanics, Vol. 7, pp. 43-50, 1996

Juno Kim, Hong-bae Lee, Hyun Kyo Jung and Song-yop Hahn, Changyul Cheon, Hyeong-seok Kim, "Optimal Design Technique for Waveguide Device," IEEE Transactions on Magnetics, Vol. 32 , No. 3, pp. 1250 ? 1253, May 1996

Hong-bae Lee, Seung-Woo Lee, Hyun-Kyo Jung and Song-yop Hahn, Changyul Cheon, Hyeong-seok Kim, "An Optimum Design Method for Eigenvalue Problems," IEEE Transactions on Magnetics, Vol. 32, No. 3, pp. 1246 ? 1249, May 1996

Hong-bae Lee, Hyun-Kyo Jung and Song-yop Hahn, Changyul Cheon, Ki-sik Lee, " Shape Optimization of H-plane Waveguide Tee Junction Using Edge Finite Element Method," IEEE Transactions on Magnetics, Vol. 31, No. 3, pp. 1928 ? 1931, May 1995

Hong-bae Lee, Seung-Woo Lee, and Song-yop Hahn, Changyul Cheon, "Topological Optimization for Matched Waveguide Load in H-plane," Advanced Computational and Design Techniques in Applied Electromagnetic Systems, pp. 79-82, 1995.

Hyeong-seok Kim, Hong-bae Lee, and Song-yop Hahn, Changyul Cheon, "Error Extimation for Adaptive Scheme of Vector Finite Element Method", Advanced Computational and Design Techniques in Applied Electromagnetic Systems, pp. 591-594, 1995.

Changyul Cheon, Kyung Choi, Hyun-Kyo Jung, and Song-Yop Hahn, "Analysis of Waveguide Discontinuities in H-Plane Using Finite Element-Boundary Element Technique," IEEE Transactions on Magnetics, Vol. 30, No. 5, pp. 3168 ? 3171, Sep 1994

Changyul Cheon, Hyun-Kyo Jung, and Song-Yop Hahn, "Analysis of H-plane Waveguide Tee-Junction Using Vector Finite Element Technique," Power Systems and Controls Applied Electromagnetics, pp. 83-86, 1994.

Hong-bae Lee, and Song-yop Hahn, Changyul Cheon, "Topological Optimization of H-Plane Waveguide Tee-Junction Using Vector Finite Element Technique," Power Systems and Controls Applied Electromagnetics, pp. 91-94, 1994.