Publications
International Journals
International Journals
Young-Seok Lee, Taeyeong Yoon, Minje Kim, Sanghun Lee, Byungwook Jung, Jungsuek Oh, and Sangwook Nam, "A Design and Characterization Method of a Scalable Large Transmitting Array for Wireless Power Transfer," IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, Early Access. [DOI]
Ho Yeol Kim and Sangwook Nam, "Hybrid Beamfocusing Architecture and Algorithm for Microwave Wireless Power Transmission Systems", IEEE ACCESS, vol. 12, pp. 53677-53685, Apr. 2024. [DOI]
Seongjung Kim and Sangwook Nam, "Wideband Vertically Polarized Endfire Metasurface Antenna Fed by Tightly Coupled Monopole Probe Array", IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, vol. 72, no.3, pp. 2481-2489, Mar. 2024. [DOI]
Hyungcheol Kim and Sangwook Nam, "Asymmetric Decomposition of Single Carrier QAM for Efficiency Enhancement of PAs", IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, vol. 72, no. 1, Aug. 2024. [DOI]
Hanni Koo and Sangwook Nam, "Ku-Band Printed Bow-Tie Antenna H-plane Array with Low Mutual Coupling", IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, vol. 72, no.1, pp. 980-985, Jan. 2024. [DOI]
Jae-hyun Park, Taewoo Yu, Eunbin Kim, Seung-yeon Kim, Reem Song, Sangwook Nam and Byung-Sung Kim, "A 94-GHz high resolution radar using time interleaving active array in 65-nm CMOS," IEEE ACCESS, vol.11, pp. 141473-141484, Dec. 2023. [DOI]
Taewoo Yu, Eunbin Kim, Jae-hyun Park, Byung-Sung Kim and Sangwook Nam, "W-Band Co-Prime Array FMCW MIMO Radar with IPCE Algorithm for High-Angular Resolution" IEEE ACCESS, vol.11, pp. 109899-109910, Oct. 2023. [DOI]
Doohyun Yang and Sangwook Nam, "Frequency Reconfigurable Beam Scanning Squarely Modulated Reactance Surface Antenna With Period and Surface Reactance Control" IEEE ACCESS, vol.11, pp. 72552-72561, Jul. 2023. [DOI]
Dong-Woo Kim and Sangwook Nam, "TVmmC: Robust Calibration Method for Signal Distortion in Near-Field MIMO Imaging Radar", IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT, vol.72, Art no. 4505108, pp.1-8, Jul. 2023. [DOI]
Ho Yeol Kim, Youngseok Lee, and Sangwook Nam, "Efficiency Bound Estimation for a Practical Microwave and mmWave Wireless Power Transfer System Design", JOURNAL OF ELECTROMAGNETIC ENGINEERING AND SCIENCE, vol.23, no.1, pp.69-74, Jan. 2023. [DOI]
Seongjung Kim and Sangwook Nam, "Designing a polarization‐insensitive and ultra‐wideband transmissive polarization convertor using a tightly coupled dipole array", MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, vol.65, no.1, pp.154-161, Jan. 2023. [DOI]
Seongjung Kim and Sangwook Nam, "Wideband and Ultrathin 2×2 Dipole Array Antenna for 5G mmWave Applications", IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS, vol.21, no.12, pp.2517-2521, Dec. 2022. [DOI]
Yunsang Shin, Seung Geol Nam, Jinseong Heo and Sangwook Nam, "Broadband Characterization of Thin Dielectrics Using Heterolayer and Monolayer MIM Capacitors", IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT, vol.71, Art no. 6006008, Aug. 2022. [DOI]
Seongjung Kim and Sangwook Nam, "Design of a Relocatable Antenna Element Module for a Ku-Band Reconfigurable Array with Low Mutual Coupling", JOURNAL OF ELECTROMAGNETIC ENGINEERING AND SCIENCE, vol.22,no.4, pp. 534-536, Jul. 2022. [DOI]
Seongjung Kim and Sangwook Nam, "A Novel Reflection-Type Polarization Convertor Design Using Connected Orthogonal Tightly Coupled Dipole Arrays", IEEE ACCESS, vol. 10, pp. 52116-52124, May. 2022.[PDF]
Hyungcheol Kim and Sangwook Nam, "Performance Improvement of LC-Based Beam-Steering Leaky-Wave Holographic Antenna Using Decoupling Structure", IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, vol. 70, no.4, pp. 2431-2438, Apr. 2022.[PDF]
Joon-Hong Kim and Sangwook Nam, "Optimized Transmitting Sources for Radiative Wireless Power Transmission With Lossy Media" IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, vol. 70, no.4, pp. 3106~3111, april 2022.[PDF]
Dong-Woo Kim, YongAm Son, Hojung Kang and Sangwook Nam, " Low-Spurious Wideband DDS-Based Ku-Band Chirp Generator for Short-Range Radar Application " IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, vol. 32, no.3, pp. 206~209, March 2022.[PDF]
EUN-CHEOL CHOI and SANGWOOK NAM, " High-Efficiency Dielectric Reflectarray Antennas With Ultra-Wideband Characteristics." IEEE Access, vol. 9, pp. 152075~152081, Nov. 2021.[PDF]
Kyun Kyu Kim, Joonhwa Choi, Joon-Hong Kim, Sangwook Nam, and Seung Hwan Ko, "Evolvable Skin Electronics by In Situ and In Operando Adaptation" Advanced Functional Materials, 2106329, 2021.[PDF]
Seongjung Kim and Sangwook Nam, "Ultra-Wideband and Wide-Angle Insensitive Absorber Based on TCDA-Under-Tightly Coupled Dipole Array" IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, vol. 69, no.9, pp. 5682~5690, September. 2021.[PDF]
Taewoo Yu, Hyunwook Lee, Sang-Jun Park and Sangwook Nam, "A Uniform Heating Technique for Cavity in Volatile Organic Compound (VOC) Removal System Using Slotted Waveguide Array" JOURNAL OF ELECTROMAGNETIC ENGINEERING AND SCIENCE, vol.21,no.2, pp. 126~133, April. 2021.[PDF]
Seongjung Kim and Sangwook Nam, "Characteristics of TCDA With Polarization Converting Ground Plane" IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, vol. 69, no.4, pp. 2359~2364, April. 2021.[PDF]
Seongjung Kim and Sangwook Nam, "Extremely low-profile wideband array antenna using TCDA with polarization convertor" Microwave and Optical Technology Letters, vol. 63, no.3, pp. 959-964, Mar. 2021.[PDF]
JUN-SEONG KIM, HYUN-JIN KIM, MINGEON SHIN, JAE-HYUN PARK, OH-YUN KWON, REEM SONG, SUNGHO LEE, SANGWOOK NAM AND BYUNG-SUNG KIM. "79 GHz Active Array FMCW Radar System on Low-Cost FR-4 Substrates." IEEE Access, vol. 8, pp. 213854-213865, Dec. 2020.[PDF]
Hyunjin Kim and Sangwook Nam. " Transmission Enhancement Methods for Low-Emissivity Glass at 5G mmWave Band." IEEE ANTENNAS AND WIRELESS PROPAGATION LETTER, vol. 20, no.1 pp. 108-112, Jan. 2021.[PDF]
Eun-Cheol choi and Sangwook Nam. "Analysis and Elimination of Unwanted Resonances for Wideband Reflectarray Antenna Design at Sub-Millimeter Waves." IEEE Access, vol. 8, pp. 224750-224760, Dec. 2020.[PDF]
Ho Yeol Kim and Sangwook Nam, "Optimization of Microwave Wireless Power Transmission With Specific Absorption Rate Constraint for Human Safety" IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, vol. 68, no. 11, pp. 7721-7726, Nov. 2020[PDF]
Seongjung Kim and Sangwook Nam, "Compact Ultrawideband Antenna on Folded Ground Plane" IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, vol. 68, no. 10, pp. 7179-7183, Oct. 2020[PDF]
Hanni Koo and Sangwook Nam, " Mechanism and Elimination of Scan Blindness in a T-Printed Dipole Array" IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, vol. 68, no. 1, pp. 242-253, Jul. 2020.[PDF]
Eun-Cheol Choi and Sangwook Nam, "W-Band Low Phase Sensitivity Reflectarray Antennas With Wideband Characteristics Considering the Effect of Angle of Incidence" IEEE Access, vol.8, pp. 111064~111073, May. 2020[PDF]
Hyunjin Kim and Sangwook Nam, " 28 GHz metal cavity-backed twin arc slot antenna for high efficiency and thermal management" Microwave and Optical Technology Letters, vol.62, Issue 11, May. 2020[PDF]
Arun Bhattacharyya, Dooheon Yang and Sangwook Nam, " Microstrip array antenna bandwidth enhancement using reactive surface" Microwave and Optical Technology Letters, vol.62, no.2, Jan. 2020[PDF]
Youngjoon Lim, Bongkyun Seo and Sangwook Nam, "FDTD Simulation of Three-Wave Scattering Process in Time-Varying Cold Plasma Sheath," IEEE ACCESS, vol.7, pp. 106713~106720, Jul. 2019[PDF]
Joon-Hong Kim, Youngjoon Lim, and Sangwook Nam, "Efficiency Bound of Radiative Wireless Power Transmission Using Practical Antennas," IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, vol.67, no.8, pp. 5750~5755, Aug. 2019[PDF]
Dong-Woo Kim, Joon-Hong Kim, and Sangwook Nam, "Beam Steering of a Multi-Port Chassis Antenna Using the Least Squares Method and Theory of Characteristic Modes," IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, vol.67, no.8, pp. 5684~5688, Aug. 2019[PDF]
Seongjung Kim and Sangwook Nam, "A Compact and Wideband Linear Array Antenna With Low Mutual Coupling," IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, vol.67, no.8, pp. 5695~5699, Aug. 2019[PDF]
Seongjung Kim and Sangwook Nam, "Bandwidth Extension of Dual-Polarized 1-D TCDA Antenna Using VMS," IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, vol.67, no.8, pp. 5305~5312, Aug. 2019[PDF]
Yoon Goo Kim and Sangwook Nam, " Determination of the Impedance Parameters of Antennas and the Maximum Power Transfer Efficiency of Wireless Power Transfer," IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, vol.67, no.8, pp. 5132~5144, Aug. 2019[PDF]
Minyoung Yoon and Sangwook Nam, “7-Bit Multilayer True-Time Delay up to 1016 ps for Wideband Phased Array Antenna," IEICE Transactions on Electronics, vol.E102-C,no.8, Aug. 2019[PDF]
Jaeyong Ko and Sangwook Nam, “A 0.4-1.2GHz Reconfigurable CMOS Power Amplifier for 802.11ah/af Applications," IEICE Transactions on Electronics, vol.E102-C,no.1, Jan 2019[PDF]
Doohyun Yang and Sangwook Nam, " Tapered Unit Cell Control of a Sinusoidally Modulated Reatance Surface Antenna," IEEE Antennas and Wireless Propagation Letters, vol.17, no.12, Dec. 2018[PDF]
Dong-Woo Kim and Sangwook Nam, "Mutual Coupling Compensation in Received-Mode Antenna Array Based on Characteristic Mode Analysis," IEEE Transactions Antennas and Propagation, vol.66, No.12, Dec. 2018[PDF]
Jaeyong Ko and Sangwook Nam, "A Two-Stage S-/X-Band CMOS Power Amplifier for High-Resolution Radar Transceivers," IEEE Microwave and Wireless Components Letters, vol.28, No.7, Jul. 2018[PDF]
Dong-Woo Kim and Sangwook Nam, "Systematic Design of a Multiport MIMO Antenna with Bilateral Symmetry Based on Characterisitic Mode Analysis," IEEE Transactions Antennas and Propagation, vol.66, No.3, Mar. 2018[PDF]
Hakjune Lee and Sangwook Nam, "A Dual-Polarized 1-D Tightly Coupled Dipole Array Antenna ," IEEE Transactions Antennas and Propagation, vol.65, No.9, Sep. 2017[PDF]
H. Kim, Y. Lee, B. Kim, K. Baek, S. Ko, T. Yang, J. Lee and S. Nam "60 GHz digitally controllable and sequentially rotated fed antenna array", Electronics Letters, vol.53, No.13, June. 2017[PDF]
Minyoung Yoon, Byungjoon Kim, Jintae Kim and Sangwook Nam, " Design of Optimization of Gm-C Filters via Geometric Programming," IEICE Transactions on Electronics, vol.E100-C, No.4, April. 2017[PDF]
Byungjoon Kim, Jong-seop Koo, Duksoo Kim, and Sangwook Nam, "A Wall-Clutter Rejection Technique Using Two PLLs and a Phase Controller for Wall-Penetrating FMCW Radar," IEEE Geoscience and Remote Sensing Letters, vol.14, No.4, Apr. 2017[PDF]
Joon-Hong Kim and Sangwook Nam, "Design of a compact dualband quasi-isotropic antenna," Electronics Letters, vol.53, No.8, Apr. 2017[PDF]
Duksoo Kim, Byungjoon Kim and Sangwook Nam, "A Wideband Noise-Cancelling Receiver Front-End Using a Linearized Transconductor," IEICE Transactions on Electronics, vol.E100-C, No.3, Mar. 2017[PDF]
Joon-Hong Kim and Sangwook Nam, " A Compact Quasi-Isotripic Antenna Based on Folded Split-Ring Resonators," IEEE Antennas and Wireless Propagation Letters, vol.16, Mar. 2017[PDF]
Dooheon Yang, Minyoung Yoon, and Sangwook Nam, "Isolation Enhanced Multiway Power Divider for Wideband (4:1) Beamforming Arrays," IEICE Transactions on Electronics, vol.E99-C, no.12, Dec. 2016[PDF]
Jae-Hoon Song, Chenglin Cui, Seong-Kyun Kim, Byung-Sung Kim, and Sangwook Nam, " A Low-Phase-Noise 77-GHz FMCW Radar Transmitter With a 12.8-GHz PLL and a ×6 Frequency Multiplier," IEEE Microwave and Wireless Components Letters, vol. 26, no. 7, pp. 540-542, July. 2016[PDF]
Kihyun Kim, Jaeyong Ko, Sungho Lee, and Sangwook Nam, " A Two-Stage Broadband Fully Integrated CMOS Linear Power Amplifier for LTE Applications," IEEE Transactions on Ciurcuits and Systems_II:Express Briefs, vol.63, no.6, Jun. 2016[PDF]
Byungjoon Kim, Duksoo Kim, Youngjoon Lim, Dooheon Yang, Sangwook Nam, "A Clutter Rejection Technique Using a Delay-Line for Wall-Penetrating FMCW Radar," IEICE Transactions on Electronics, vol. E99-C, no.5, May. 2016[PDF]
Hakjune Lee, Duk-Jae Woo, and Sangwook Nam, " Compact and Bandwidth-Enhanced Asymmetric Coplanar Waveguide (ACPW) Antenna Using CRLH-TL and Modified Ground Plane," IEEE Antennas and Wireless Propagation Letters, vol.15, Mar. 2016[PDF]
Jae-Hoon Song, Byung-Sung Kim, Sangwook Nam," An Adaptively Biased Class-C VCO With a Self-Turn-Off Auxiliary Class-B Pair for Fast and Robust Startup," IEEE Microwave and Wireless Components Letters, vol. 26, no. 1, pp. 34-36, Jan. 2016[PDF]
Chan-mo Kang, Jessica Wade, Sumin Yun, Jaehoon Lim, Hyunduck Cho, Jeongkyun Roh, Hyunkoo Lee, Sangwook Nam, Donal D.C Bradley, Ji-Seon Kim, and Changhee Lee, "1GHz Pentacene Diode Rectifiers Enabled by Controlled Film Deposition on SAM-Treated Au Anodes," Advanced Electronic Materials, vol. 2, no. 2, pp. Feb. 2016[PDF]
Chenglin Cui; Seong-Kyun Kim; Reem Song; Jae-Hoon Song; Sangwook Nam; Byung-Sung Kim, "A 77-GHz FMCW Radar System Using On-Chip Waveguide Feeders in 65-nm CMOS," IEEE Transaction on Microwave Theory and Techniques, vol. 63, no. 11, pp. 3736-3746, Nov. 2015[PDF]
Duksoo Kim, Byungjoon Kim, Sangwook Nam, "A Transconductor and Tunable Gm-C High-Pass Filter Linearization Technique Using Feedforward Gm3 Canceling," IEEE Transaction on Circuits and Systems II, vol. 62, No. 11, Nov, 2015[PDF]
Donghee Son, Jongha Lee, Dong Jun Lee, Roozbeh Ghaffari, Sumin Yun, Seok Joo kim, Ji Eun Lee, Hye Rim Cho, Soonho Yoon, Shixuan Yang, Seunghyun Lee, Shutao Qiao, Daishun Ling, Sanghun Shin, Jun-Kyul Song, Jaemin Kim, Taeho Kim, Hakyong Lee, Jonghoon Kim, Min Soh, Nohyun Lee, Cheol Seong Hwang, Sangwook Nam, Nanshu Lu, Taeghwan Hyeon, Seung Hong Choi, and Dae-Yyeong Kim, "Biofesorbable Electronic Stent Integrated with Therapeutic Nanoparticles for Endovascular Diseases," American Chemical Society Nano, vol. 9, no. 6, pp. 5937-5946, Jun. 2015[PDF]
Kim, Dong-yeon, Lim, Youngjoon, Yoon, Hee-Sung, Nam, Sangwook, "High-Efficiency W-Band Electroforming Slot Array Antenna," IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, vol. 63, no. 4, pp. 1854-1857, April. 2015[PDF]
Duk-Jae Woo, Taek -Kyung Lee, and Sangwook Nam, "A MODELING METHOD FOR DUMBBELL-SHAPED DGS AND ITS PAFAMETER EXTRACTION," MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, vol. 56, no.12, Dec. 2014[PDF]
Jaeyong Ko, Kihyun Kim, Jaehoon Song and Sangwook Nam, "A simplified Broadband Output Matching Technique for CMOS stacked Power Amplifiers," IEICE Transactions on Electronics, vol. E97-C, no.10, Oct. 2014[PDF]
Byungjoon Kim, Sangwook Nam and Hee-Ran Ahn, "Design of Wideband Coupled Line DC Block with Compact Size," IEICE Transactions on Electronics, vol. E97-C, Sep. 2014[PDF]
Sumin Yun, Dong-Yeon Kim and Sangwook Nam, "Folded Cavity-Backed Crossed-Slot Antenna," IEEE Antennas and Wireless Propagation Letters, vol.13, Sep. 2014[PDF]
Hee-Ran Ahn, Byungjoon Kim, and Sangwook Nam, "Compact UHF 3 dB MCCT Power Dividers," IEEE Microwave and Wireless Components Letters, vol. 24, no. 7, pp. 445-447, Jul. 2014[PDF]
Yoon Goo Kim and Sangwook Nam, "Spherical mode-based analysis of wireless power transfer between two antennas," IEEE Transaction on Antennas and Propagation, vol. 64, no. 6, pp. 3054-3063, Jun. 2014[PDF]
Kihyun Kim, Junghee Choi, Munkyo Seo, Sangwook Nam, "500MHz OOK Transmitter with 22 pJbit 38 4% Efficiency using RF Current Combining," IEEE Microwave and Wireless Components Letters, vol. 24, no. 6, pp. 1531-1309, Jun. 2014[PDF]
Hee-Ran Ahn and Sangwook Nam, "3-dB Power Dividers With Equal Complex Termination Impedances and Design Methods for Controlling Isolation Circuits," IEEE Transaction on Microwave Theory and Techniques, vol. 61, no. 11, pp. 3872-3883, Nov. 2013[PDF]
Dong-yeon Kim and Sangwook Nam, “Excitation control method for a low sidelobe SIW series slot array antenna with 45º linear polarization,” IEEE Trans. on Antennas and Propagation, vol. 61, no. 11, pp. 5807-5812, Nov. 2013[PDF]
Jae-Hoon Song, Byung-Sung Kim, and Sangwook Nam, “A 24GHz Transformer Coupled CMOS VCO for a wide Linear Tuning Range” , IEICE Transaction on Electronics, vol. E96-C, no.10, pp.1348-1350, October. 2013[PDF]
Yoon Goo Kim and Sangwook Nam, “Determination of the generalized scattering matrix of an antenna from characteristic modes,” IEEE Trans. Antennas Propag. vol. 61, no. 9, pp. 4848-4852, Sep. 2013[PDF]
Hee-Ran Ahn and Sangwook Nam, "Wideband Microstrip Coupled-Line Ring Hybrids for High Power-Division Ratios," IEEE Transaction on Microwave Theory and Techniques, vol. 61, no. 5, pp. 1768-1780, May. 2013[PDF]
Hee-Ran Ahn and Sangwook Nam, Hee-Ran Ahn and Sangwook Nam, "Compact Microstrip 3-dB Coupled-Line Ring and Branch-Line Hybrids With New Symmetric Equivalent Circuits," IEEE Transaction on Microwave Theory and Techniques, vol. 61, no. 3, pp. 1067-1078, Mar. 2013[PDF]
Sumin Yun, Dong-Yeon Kim and Sangwook Nam, "Bandwidth and Efficiency Enhancement of Cavity-Backed Slot Antenna Using a Substrate Removal," IEEE Antennas and Wireless Propagation Letters, vol.11, pp 1458-1461, Nov. 2012[PDF]
Sumin Yun, Dong-Yeon Kim and Sangwook Nam, "Bandwidth Enhancement of Cavity- Backed Slot Antenna Using a Via-Hole Above the Slot," IEEE Antennas and Wireless Propagation Letters, vol.11, pp 1092-1095, Oct. 2012[PDF]
Kihyun Kim, Sumin Yun, Sungho Lee, and Sangwook Nam, "Low-Power CMOS Super-Regenerative Receiver With a Digitally Self-Quenching Loop," IEEE Microwave and Wireless Components Letters, Vol. 22, No. 9, pp. 486-488, Sep. 2012[PDF]
Jongmin Park*, Sungho Lee, Youndo Tak, Sangwook Nam, " Simple efficient resonant coupling wireless power transfer system operating at varying distances between antennas," Microwave and Optical Technology Letters, vol. 54, issue 10, pp. 2397-2401, Oct. 2012[PDF]
Hee-Ran Ahn and Sangwook Nam, " Design Method for Butter-Cheby Bandpass filters With Even Number of Resonators," IEEE Transaction on Microwave Theory and Techniques, vol. 60, no. 6, pp. 1549-1559, June. 2012[PDF]
Dong-yeon Kim, Woo-sung Chung, Chang-Hyun Park, Sang-Joo Lee, Sangwook Nam, " A Series Slot Array Antenna for 45° - Inclined Linear Polarization With SIW Technology, " IEEE Transactions on Antennas and Propagation, vol.60, no.4, pp. 1785-1795, April. 2012[PDF]
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 Transactions on Biomedical Engineering, vol.59, no.4, pp. 1005-1011, April. 2012[PDF]
Youndo Tak and Sangwook Nam, "Extended Mode-Based Bandwidth Analysis for Asymmetric Near-Field Communication Systems," IEEE Transaction on Antennas and Propagation, vol. 60, no. 1, pp. 421-424, January 2012[PDF]
Sungho Lee, Kihyun Kim, Jaehoon Song, Kang-Yoon Lee, and Sangwook Nam, "A CMOS Outphasing Transmitter Using Two Wideband Phase Modulators, " Journal of Semiconductor Technology and Science, vol.11, no.4, Dec. 2011[PDF]
Youndo Tak and Sangwook Nam, “Mode-based Computation Method of Channel Characteristics for a Near-Field MIMO,” IEEE Antennas and Wireless Propagation Letters, 2011, vol. 10, pp. 1170-1173, Oct. 2011[PDF]
Hee-Ran Ahn and Sangwook Nam, " Wideband Coupled-Line Microstrip Filters With High-Impedance Short-Circuited Stubs," IEEE Microwave and Wireless Components Letters, vol. 21, no. 11, pp. 586-588, Nov. 2011[PDF]
Hee-Ran Ahn and Sangwook Nam, "New Design Formulas for Impedance-Transforming 3-dB Marchand Baluns," IEEE Transaction on Microwave Theory and Techniques, vol. 59, no. 11, pp. 2816-2823, Nov. 2011[PDF]
Young-Sang Jeon and Sangwook Nam, "A Discrete-Amplitude Pulse with Modulation for a High-Efficiency Linear Power Amplifier," ETRI Journal, vol. 33 , no. 5, pp.679-688, Oct. 2011[PDF]
Y. Tak, J. Park, and S. Nam, “Mode-based Estimation of 3 dB Bandwidth for Near-Field Communication Systems,” IEEE Trans. Antennas Propag., vol. 59, no. 8, pp. 3131-3135, 2011.[PDF]
Jaejun Lee, Sungho Lee, Sangwook Nam, “On-Chip Supply Noise Suppression Technique Using Active Inductor” , IEICE Transaction on Electronics, vol. E94-C, no. 05, pp. 917-919, May. 2011.[PDF]
Jongmin Park, Youndo Tak, Yoongoo Kim, Youngwook Kim, and Sangwook Nam, “Investigation of Adaptive Matching Methods for Near-Field Wireless Power Transfer” , IEEE Transaction on Antennas and Propagation, vol. 59, no. 5, pp. 1769-1773, May 2011[PDF]
Dong-yeon Kim, W. Chung, C. Park, S. Lee, and Sangwook Nam, "Design of a 45-Inclined SIW Resonant Series Slot Array Antenna for Ka band", IEEE Antennas and Wireless Propagation Letters, 2011 [PDF]
Sang-Wook Kim, Se-Yun Kim and Sangwook Nam, "Short-Time Fourier Transform of Deeply Located Tunnel Signatures Measured by Cross-Borehole Pulse Radar," Geoscience and Remote Sensing Letters, vol. 8, No. 3, pp. 492-495 May 2011 [PDF]
Youndo Tak, Jongmin Park, and Sangwook Nam , “The Optimum Operating Frequency for Near-Field Coupled Small Antennas” , IEEE Transaction on Antennas and Propagation, vol. 59, no. 3, pp. 1027-1031, March. 2011[PDF]
Sumin Yun, Kihyun Kim and Sangwook Nam, "Outer Wall Loop Antenna for Ultra Wideband Capsule Endoscope System," IEEE Antennas and Wireless Propagation Letters, vol.9, pp 1135-1138, Dec. 2010 [PDF]
Jaejun Lee, Sungho Lee and Sangwook Nam, "A Crosstalk Reduction Technique for Microstrip MTL Using Mode Velocity Equalization" IEEE Transactions on Electromagnetic Compatibility, vol.53, pp. 366-371, May. 2011[PDF]
Jaechun Lee and Sangwook Nam, " Fundamental Aspects of Near-Field Coupling Small Antennas for Wireless Power Transfer," IEEE Transaction on Antennas and Propagation, vol. 58, no. 11, pp. 3442-3449, Nov. 2010 [PDF]
Jung-Sim Roh, Yong-Seung Chi, Jae-Hee Lee, Youndo Tak, Sangwook Nam, Tae Jin Kang, "Embroidered Wearable Multiresonant Folded Dipole Antenna for FM Reception," IEEE Antennas and Wireless Propagation Letters, vol. 9, pp. 803-806, 2010 [PDF]
Eunil Cho, Yonghoon Song, Sungho Lee, Joontae Park, and Sangwook Nam, "An Efficient CMOS Power-Combining Technique with Differential and Single-Ended Power Amplifier," Microwave and Optical Technology Letters, vol. 52, no. 10, pp. 2214-2217, October. 2010 [PDF]
Jung-Sim Roh, Yong-Seung Chi, Jae-Hee Lee, Sangwook Nam, Tae Jin Kang, " Characterization of embroidered inductors," Smart Materials and Structures, vol. 19, no. 11, Sep. 2010 [PDF]
Sang-Wook Kim, Se-Yun Kim and Sangwook Nam, "Estimation of the penetration of a man-made tunnel using time of arrival measured by short-pulse cross-borehole radar" Geophysics, vol. 75, No. 3, pp. 11-18 May-June 2010 [PDF]
Sungho Lee, Jaejun Lee, Hangue Park, Kang-Yoon Lee and Sangwook Nam, "Self-Calibrated Two-point Delta-Sigma Modulation Technique for RF Transmitter" IEEE Transaction on Microwave Theory and Techniques, vol.58, no.7, pp.1748-1757, July. 2010 [PDF]
Jaejun Lee, Sungho Lee and Sangwook Nam, "High-Performance Multi-Chip Interconnections: Multi-Slot Main Memory System for Post DDR3" IEEE Transaction on Circuits and Systems, vol. 57, no. 5, pp.334-338, May 2010 [PDF]
Sungho Lee and Sangwook Nam, "A CMOS Outphasing Power Amplifier With an Integrated Single-Ended Chireix Combiner" IEEE Transaction on Circuits and Systems II, vol. 57, No. 6, June, 2010 [PDF]
Yonghoon Song, Sungho Lee, Eunil Cho, Jaejun Lee, and Sangwook Nam. "A CMOS Class-E Power Amplifier With Voltage Stress Relif and Enhanced Efficiency" IEEE Transaction on Microwave Theory and techniques, vol. 58, No. 2, pp. 310-317 Feb. 2010 [PDF]
Eunil Cho, Sungho Lee, Jaejun Lee and Sangwook Nam, "A High-Efficient Transformer Using Bond Wires for Si RF IC" IEICE Transaction on Electronics, vol. E-93-C, no.1, pp.140-141, Jan. 2010 [PDF]
Jaejun Lee, Sungho Lee, Younghoon Song and Sangwook Nam, "High Gain and Wide Range Time Amplifier Using Inverter Delay Chain in SR Latches" IEICE Transaction on Electronics, vol. E-92-C, pp. 1548-1550, Dec. 2009 [PDF]
Youndo Tak, Jongmin Park and Sangwook Nam, "Mode-Based Analysis of Resonant Characteristics for Near-Field Coupled Small Antennas," IEEE Antennas and Wireless Propagation Letters, vol. 8, pp. 1238-1241, Nov. 2009 [PDF]
Hangue Park, Sungho Lee, Jaejun Lee and Sangwook Nam, "A 0.1-1GHz CMOS Variable Gain Amplifier using Wideband Negative Capacitance," IEICE Transaction on Electronics, vol. E-92-C, no. 10, pp. 1311-1314, Oct. 2009 [PDF]
Hangue Park, Sungho Lee, Jaejun Lee and Sangwook Nam, "A 2.3-7GHz CMOS High Gain LNA using CS-CS Cascode with Coupling C," IEICE Transaction on Electronics, vol. E92-C, no. 8, pp. 1091-1094, Aug. 2009 [PDF]
Jaechun Lee and Sangwook Nam, "Effective Area of a Receiving Antenna in a Lossy Medium," IEEE Transaction on Antennas and Propagation, vol. 57, no. 6, pp. 1843-1845, June. 2009 [PDF]
Hyunjin Kim, Youngsang Jeon, Jaejun Lee, Sungho Lee, and Sangwook Nam, "A High-Efficiency Power Amplifier Using Multilevel Digital Pulse Modulation," Microwave and Optical Technology Letters, vol. 51, no. 8, pp. 1921-1924, August. 2009 [PDF]
Hangue Park, Jaejun Lee, Jaechun Lee and Sangwook Nam, "A CMOS RF Power Detector Using an Improved Unbalanced Source Coupled Pair," IEICE Transaction on Electronics, vol. E91-C, no. 12, pp. 1969-1970, December. 2008[PDF]
Jung-Sim Roh, Yong-Seung Chi, Tae Jin Kang and Sangwook Nam, , " Electromagnetic Shielding Effectiveness of Multifunctional Metal Composite Fabrics," Textile Research Journal, vol. 78, no. 9, Aug. 2008[PDF]
Jaechun Lee and Sangwook Nam, "Q Evaluation of Antennas in an Electrically Conductive Medium," IEEE Transaction on Antennas and Propagation, vol. 56, no. 7, pp. 2116-2120, July. 2008[PDF]
Hanseung Lee and Sangwook Nam, "TRI BRANCH LINE COUPLER USING DOUBLE-LORENTZ TRANSMISSION LINES," Microwave and Optical Technology Letters, vol. 50, no. 5, pp. 1174-1177, May. 2008[PDF]
Jungseok Oh, Taejong Baek, Donghoon Shin, Jinkoo Rhee and Sangwook Nam, "60-GHZ cpw-fed dielectric-resonator-above-patch(DRAP) antenna for broadband wlan applications using micronatching technology," Microwave and Optical Technology Letters, vol. 49, no. 8, pp. 1859-1861, Aug. 2007[PDF]
Jongkuk Park, Jeongphil Kim, and Sangwook Nam, "Design of a Novel Harmonic-Suppressed Microstrip Law-pass Filter," IEEE Microwave and Wireless Letters, Vol. 17, No. 6, pp. 424-426, June 2007[PDF]
Won-seok Lihh and Sangwook Nam, "Time-Domain Electromagnetic Fields Radiating Along the Horizontal Interface Between Vertically Uniaxial Half-Space Media," IEEE Transactions on Antennas and Propagation, Vol. 55, no. 5, pp. 1305-1317, May 2007[PDF]
Yonghoon Kim, Heeduck Chae, and Sangwook Nam, "A new derivation for the coefficients of the scattering dyadic Green's function in spherically layered media," Microwave and Optical Technology Letters, vol. 49, no. 5, pp. 1142-1143, May 2007[PDF]
Young-sang Jeon, Jukyung Cha, and Sangwook Nam, "High-Efficiency Power Amplifier Using Novel Dynamic Bias Switching," IEEE Transactions on Microwave Theory and Techniques, Vol 55, no. 4, pp. 690-696, April 2007 [PDF](06-6)
Young-Sang Jeon, Hoe-Sung Yang, and Sangwook Nam, "A Power Re-Use Technique for Improved Efficiency of Pulsed Oscillating Amplifiers," IEEE Microwave and Wireless Components Letters, vol. 16, no. 10, pp. 567-569, Oct. 2006 [PDF](06-6)
J. Park, J.P. Kim, and Sangwook Nam, “Network modelling of periodic patch loaded slotline,” IEE Electronics Letters, vol. 42, pp. 288-289, Mar. 2006 [PDF]
Young-Sang Jeon, and Sangwook Nam, “High-efficiency power amplifier using injection-locked pulsed oscillator with non-deterministic pulse technique,” IEE Electronics Letters, vol. 42, no. 6, Mar. 2006 [PDF]
Jong-Sik Lim, Chul-Soo Kim, Dal Ahn, Yong-Chae Jeong, and Sangwook Nam, “Design of Low-Pass Filters Using Defected Ground Structure,” IEEE Transactions on Microwave Theory and Techniques, vol. 53, no. 8, pp. 2539-2545, Aug. 2005 [PDF]
Taeho Moon, Byungjoo Lee, Tae-Gon Kim, Jeongmin Oh, Young Woo Noh, Byungwoo Park, and Sangwook Nam, "Microwave dielectric relaxation of the polycrystalline (Ba,Sr)TiO3 thin films," Applied Physics Letters, vol. 86, pp. 182904, Mar. 2005 [PDF]
Young-Sang Jeon, Hoe-Sung Yang, and Sangwook Nam, "A novel High-Efficiency Linear Transmitter Using Injection-Locked Pulsed Oscillator," IEEE Microwave and Wireless Components Letters, vol. 15, no. 4, pp. 214-216, Apr. 2005 [PDF]
Jungwon Lee, and Sangwook Nam, "Protecting the Method of Auxiliary Sources(MAS) Solutions From the Interior Resonance Problem," IEEE Microwave and Wireless Components Letters, vol. 15, no. 3, pp. 186-188, Mar. 2005 [PDF]
Jongkuk Park, Jong-Sik Lim, and Sangwook Nam, "Novel Periodic Structures for a Slotline: Patch Loaded Slotline," IEICE Trans. Electron., vol. E88-C, no. 1, pp. 135-138, Jan. 2005 [PDF]
Young-Taek Lee, Jaechun Lee, and Sangwook Nam, "A New Phase Noise Reduction Method of Oscillator by Loaded Q Improvement Using Dual Feedback Topology,” IEEE Microwave and Wireless Components Letters, vol. 15, no. 1, pp. 39-41, Jan. 2005 [PDF](06-6)
Young-Taek Lee, Jaechun Lee, and Sangwook Nam, "High-Q Active Resonators Using Amplifiers and Their Applications to Low Phase-Noise Free-Running and Voltage-Controlled Oscillators," IEEE Transactions on Microwave Theory and Techniques, vol. 52, no. 11, pp. 2621-2626, Nov. 2004 [PDF]
Jong-Sik Lim, Hoe-Sung Yang, Young-Taek Lee, Sungwon Kim, Kwang-Seok Seo, and Sangwook Nam, "E-band Wilkinson balun using CPW MMIC technology," IEE Electronics Letters, vol. 40, no. 14, pp. 879-880, July 2004 [PDF]
Young-Sang Jeon, Hoe-Sung Yang, and Sangwook Nam, "A Novel EER Structure for Reducing Complexity Using Negative Resistance Amplifier," IEEE Microwave and Wireless Components Letters, vol. 14, no. 5, pp. 195-197, May 2004 [PDF]
Jong-Sik Lim, Yong-Chae Jeong, Dal Ahn, and Sangwook Nam, "Improvement in Performance of Power Amplifiers by Defected Ground Structure," IEICE Trans. Electron, vol. E87-C, no. 1, pp. 52-59, Jan. 2004 [PDF]
Yong-Chae Jeong, Si-Gyun Jeong, Jong-Sik Lim, and Sangwook Nam, "A New Method to Suppress Harmonics Using =4 Bias Line Combined by Defected Ground Structure in Power Amplifiers," IEEE Microwave and Wireless Components Letters, vol. 13, no. 12, pp. 538-540, Dec. 2003 [PDF]
Yonghoon Kim, Gil-Young Lee, and Sangwook Nam, "Efficiency enhancement of microstrip antenna by elevating radiating edges of patch," IEE Electronics Letters, vol. 39, no. 19, pp. 1363-1364, Sept. 2003 [PDF]
Tae-Gon Kim, Jeongmin Oh, Taeho Moon, Yongjo Kim, Byungwoo Park, Young-Taek Lee, and Sangwook Nam, "Effect of crystallinity on the dielectric loss of sputter-deposited (Ba,Sr)TiO3 thin films in the microwave range," Journal of Materials Research, vol. 18, no. 3 , pp. 682-686, Mar. 2003 [PDF]
Jong-Sik Lim, Young-Taek Lee, Chul-Soo Kim, Dal Ahn, and Sangwook Nam, "A Vertically Periodic Defected Ground Structure and Its Application in Reducing the Size of Microwave Circuits," IEEE Microwave and Wireless Components Letters, vol. 12, no. 12, pp. 479-481, Dec. 2002 [PDF]
Jaechun Lee, Young-Taek Lee, and Sangwook Nam, "A Phase Noise Reduction Technique in Microwave Oscillator using High Q Active Filter," IEEE Microwave and Wireless Components Letters, vol. 12, Issue: 11, pp. 426-428, Nov. 2002 [PDF]
Jong-Sik Lim, Chul-Soo Kim, Young-Taek Lee, Dal Ahn, and Sangwook Nam, "Design of lowpass filters using defected ground structure and compensated microstrip line," IEE Electronics Letters, vol. 38, no. 22, pp. 1357-1358, Oct. 2002 [PDF]
Young-Taek Lee, Jong-Sik Lim, Chul-Soo Kim, Dal Ahn, and Sangwook Nam, "A compact-size microstrip spiral resonator and its application to microwave oscillator," IEEE Microwave and Wireless Components Letters, vol. 12, no. 10, pp. 375-377, Oct. 2002 [PDF]
Yonghoon Kim, N.J. Farcich, Seong-Cheol Kim, Sangwook Nam, and P.M. Asbeck, "Size reduction of microstrip antenna by elevating the centre of patch," IEE Electronics Letters, vol. 38, no. 20, pp. 1163-1165, Sept. 2002 [PDF]
Chul-Soo Kim, Jong-Sik Lim, Sangwook Nam, Kwang-Yong Kang, and Dal Ahn, "Equivalent circuit modelling of spiral defected ground structure for microstrip line," IEE Electronics Letters, vol. 38, no. 19, pp. 1109-1110, Sept. 2002 [PDF]
Jong-Sik Lim, Chul-Soo Kim, Young-Taek Lee, Dal Ahn, and Sangwook Nam, "A Spiral-Shaped Defected Ground Structure for Coplanar Waveguide," IEEE Microwave and Wireless Components Letters, vol. 12, no. 9, pp. 330-332, Sept. 2002 [PDF]
Jong-Sik Lim, Chul-Soo Kim, Young-Taek Lee, Dal Ahn, and Sangwook Nam, "Vertically periodic defected ground structure for planar transmission lines," IEE Electronics Letters, vol. 38, no. 15, pp. 803-804, July 2002 [PDF]
Jong-Sik Lim, Jun-Seok Park, Young-Taek Lee, Dal Ahn, and Sangwook Nam, "Application of Defected Ground Structure in Reducing the Size of Amplifiers," IEEE Microwave and Wireless Components Letters, vol. 12, no. 7, pp. 261-263, July 2002 [PDF]
Sunghun Kim, Sunyoung Jeong, Young-Taek Lee, Dae-Hyun Kim, Jong-Sik Lim, Kwang-Seok Seo, and Sangwook Nam, "Ultra-wideband (from DC to 110 GHz) CPW to CPS transition," IEE Electronics Letters, vol. 38, no. 13, pp. 622-623, June 2002 [PDF]
Jong-Sik Lim, Byung-Sung Kim, and Sangwook Nam, "A New Method for the Determination of the Extrinsic Resistances of MESFETs and HEMTs from the Measured S-Parameters under Active Bias," IEICE Trans. Electron, vol. E85-C, no. 3, pp. 839-846, Mar. 2002 [PDF]
Munkyo Seo, Joo-Yeol Lee, Kyung-Kuk Lee, and Sangwook Nam, "A Varactor-Tuned Oscillator with linear Tuning Characteristic," Microwave Journal, pp. 100-114, Feb. 2002 [PDF]
Young-Taek Lee, Jong-Sik Lim, Jun-Seok Park, Dal Ahn, and Sangwook Nam, "A Novel Phase Noise Reduction Technique in Oscillators Using Defected Ground Structure,” IEEE Microwave and Wireless Components Letters, vol. 12, no. 2, pp. 39-41, Feb. 2002 [PDF]
Yonghoon Kim, Heeduck Chae, Jungwon Lee, Jongkuk Park, Seong-Cheol Kim, and Sangwook Nam, "60 GHz band radial line slot array antenna fed by rectangular waveguide," IEE Electronics Letters, vol. 38, no. 2, pp. 59-60, Jan. 2002 [PDF]
Jungwon Lee, Jongkuk Park, and Sangwook Nam, "Analysis of scattering from 2D penetrable object using iterative FEM with novel mesh truncation," IEE Electronics Letters, vol. 37, no. 24, pp. 1436-1437, Nov. 2001 [PDF]
Youngsang Jun, Moon-Que Lee, Young-Taek Lee, and Sangwook Nam, "A new design approach for an injection-locked oscillator with an enhanced locking range," Microwave and Optical Technology Letters, vol. 31, no. 5, pp. 325-327, Dec. 2001 [PDF]
Jongkuk Park, Jungwon Lee, Heeduck Chae, and Sangwook Nam, "An Iterative FEM for Scattering by a 3-D Cavity-Backed Aperture," IEEE Transactions on Microwave Theory and Techniques, vol. 49, no. 11, pp. 2147-2151, Nov. 2001 [PDF]
Jongkuk Park, Jungwon Lee, Heeduck Chae, and Sangwook Nam, "Iterative FEM for characterising radiating slot in broad wall of rectangular waveguide," IEE Electronics Letters, vol. 37, no. 12, pp. 738~740, June 2001 [PDF]
Seung-June Yi, Sangwook Nam, Sung-Hoon Oh, and Jae-Hee Han, "Prediction of a CDMA Output Spectrum Based on Intermodulation Products of Two-Tone Test," IEEE Transactions on Microwave Theory and Techniques, vol. 49, no. 5, pp. 938-946, May 2001 [PDF]
Jong-Sik Lim, Ho-Sup Kim, Jun-Seok Park, Dal Ahn, and Sangwook Nam, "A Power Amplifier with Efficiency Improved Using Defected Ground Structure," IEEE Microwave and Wireless Component Lett., vol. MWCL-11, no. 4, pp. 170 - 172, Apr. 2001 [PDF]
Jong-Sik Lim, Sung-Won Lee, Chul-Soo Kim, Jun-Seok Park, Dal Ahn, and Sangwook Nam, "A 4:1 Unequal Wilkinson Power Divider," IEEE Microwave and Wireless Component Lett., vol. MWCL-11, no. 3, pp. 124 - 126, Mar. 2001 [PDF]
Jong-Sik Lim, Chul-Soo Kim, Jun-Seok Park, Dal Ahn and Sangwook Nam, "Design of 10dB 90' branch line coupler using microstrip line width defected ground structure," IEE Electronics Letters, vol. 36, no. 21, pp. 1784-1785, Oct. 2000 [PDF]
Jae-Hee Han and Sangwook Nam, "Power amplifier linearisation using post distortion error canceller based on complex envelope transfer characteristics," IEE Electronics Letters, vol. 36, no. 19, pp. 1665-1666, Sept. 2000 [PDF]
Jongkuk Park, Heeduck Chae, and Sangwook Nam, "Study of efficient FEM-based iteration method for open region problem and its application to scattering from a three-dimention cavity-backed aperture," IEE Electronics Letters, vol. 36, no. 18, pp. 1529-1530, Aug. 2000 [PDF]
Jae-Hee Han, Tasik Chung, and Sangwook Nam, "Adaptive predistorter for power amplifier based on real-time estimation of envelope transfer characteristics," IEE Electronics Letters, vol. 35, no. 25, pp. 2167-2168, Dec. 1999 [PDF]
Jong-Sik Lim, Soon-Young Eom, and Sangwook Nam, "Power divider with various power dividing ratios," IEE Electronics Letters, vol. 35, no. 22, pp. 1961-1963, Oct. 1999 [PDF]
Jong-Sik Lim and Sangwook Nam, "Optimum line length between microwave circuit modules for flattest transfer characteristic," IEE Electronics Letters, vol. 35, no. 21, pp. 1858-1860, Oct. 1999 [PDF]
Won-Seok Lee and Sangwook Nam, "Transient interactions between tiny interfacial antennas on half-space lossless dielectric," Radio Science, vol. 34, no. 5, pp. 1027-1041, Sept.-Oct. 1999 [PDF]
Moon Que Lee, Seung-June Yi, Sangwook Nam, Youngwoo Kwon, and Kyung-Whan Yeom, "High-Efficiency Harmonic Loaded Oscillator with Low Bias Using a Nonlinear Design Approach," IEEE Transactions on Microwave Theory and Techniques, vol. 47, no. 9, pp. 1670-1679, Sept. 1999 [PDF]
Jongkuk Park, Heeduck Chae, and Sangwook Nam, "Efficient hybrid method for characterization of arbitrary-shaped discontinuities in rectangular waveguide," IEE Electronics Letters, vol. 35, no. 14, pp. 1170-1171, July 1999 [PDF]
Myun-Joo Park and Sangwook Nam, "Rapid Summation of the Green's Function for the Rectangular Waveguide," IEEE Transactions on Microwave Theory and Techniques, vol. 46, no. 12, Dec. 1998
Myun-Joo Park and Sangwook Nam, "Efficient Calculation of the Green's Function for Multilayered Planar Periodic Structures," IEEE Transactions on Antennas and Propagation, vol. 46, no. 10, pp. 1582-1583, Oct. 1998 [PDF]
Jongkuk Park and Sangwook Nam, "A general rigorous analysis of arbitrary-shaped multiaperture-coupled directional coupler between two dissimilar rectangular waveguides crossing with an arbitrary angle," Microwave and Optical Technology Letters, vol. 18, no. 1, pp. 43~46, May 1998
Myun-Joo Park, Jongkuk Park, and Sangwook Nam, "Efficient calculation of the Green's function for the rectangular cavity," IEEE Microwave and Guided wave Letters, vol. 8, no. 3, pp. 124-126, Mar. 1998
Myun-Joo Park and Sangwook Nam, "Rapid calculation of the green's function in the shielded planar structures," IEEE Microwave and Guided wave Letters, vol. 7, no. 10, pp. 326-328, Oct. 1997
Eungsu Kim, Byungsung Kim, and Sangwook Nam, "Analysis of electromagnetic transmission through a choke using FE-BIM with arbitrary incidence Angle/Polarization," IEEE Transactions on Electromagnetic Compatibility, vol. 39, no. 1, pp. 996-999, Feb. 1997
J.W.Kim, B.S. Kim, S. Nam, and C.W. Lee, "Computation of the average power pattern of a reflector antenna with random surface errors and misallignment errors," IEEE Transactions on Antennas and Propagation, vol. 44, no. 7, pp. 996-999, July 1996
Myun-Joo Park and Sangwook Nam, "FDTD ABC of waveguides with a new discrete Green's function and its effective implementation," IEE Electronics Letters, vol. 32, no. 23, pp. 2128-2130, Nov. 1996
Moon-Que Lee and Sangwook Nam, "An accruate broad-band measurement technique of substrate dielectirc constant," IEEE Microwave and Guided Wave Letters, vol. 6, no. 4, pp. 168-170, Apr. 1996
Sanghoon Choi and Sangwook Nam, "Enhanced feeding structure of micro strip antenna," IEICE Trans. Electron., vol. E78-C, no. 8, pp. 984-987, 1995 [PDF]
B.-S. Kim, S. Nam and K.-S. Seo, "Analytic intrinsic model based parasitic extraction method for HEMTs," IEE Electronics Letters, vol. 30, no. 12, pp. 1005-1006. 1994