Chang-Ho Lee

37 papers B 1C 6Journal 21Unranked 9
YearRankTypeTitle / Venue / Authors
2026 J jnl
A nationwide study on generative AI knowledge, motivation, and emotional responses in predicting students' perceived need for AI education.
Telematics Informatics
Seyoung Lee, Chang-Ho Lee, Gain Park
2022 J jnl
Approach to derive golden paths based on machine sequence patterns in multistage manufacturing process.
J. Intell. Manuf.
Chang-Ho Lee, Dong-Hee Lee, Young-Mok Bae, Seung-Hyun Choi, Ki-Hun Kim, Kwang-Jae Kim
2016 J jnl
A Multilevel Class-D CMOS Power Amplifier for an Out-Phasing Transmitter With a Nonisolated Power Combiner.
IEEE Trans. Circuits Syst. II Express Briefs
Joonhoi Hur, Hyoungsoo Kim, Ockgoo Lee, Kwan-Woo Kim, Franklin Bien, Kyutae Lim, Chang-Ho Lee, Joy Laskar
2016 — conf
Data-driven Approach to New Service Concept Design.
IESS
Min-Jun Kim, Chie-Hyeon Lim, Chang-Ho Lee, Kwang-Jae Kim, Seunghwan Choi, Yongsung Park
2014 J jnl
A 2.4-GHz CMOS Power Amplifier With an Integrated Antenna Impedance Mismatch Correction System.
IEEE J. Solid State Circuits
Youngchang Yoon, Hyoungsoo Kim, Hyungwook Kim, Kun-Seok Lee, Chang-Ho Lee, James S. Kenney
2014 J jnl
An EDGE/GSM Quad-Band CMOS Power Amplifier.
IEEE J. Solid State Circuits
Woonyun Kim, Ki Seok Yang, Jeonghu Han, Jaejoon Chang, Chang-Ho Lee
2014 J jnl
Optimization of CMOS power-cell layout for improving junction breakdown.
IEICE Electron. Express
Ockgoo Lee, Jeonghu Han, Kyu Hwan An, Hyoungsoo Kim, Joonhui Hur, Kiseok Yang, Kyutae Lim, Chang-Ho Lee, Joy Laskar
2012 J jnl
A Fully-Integrated High-Power Linear CMOS Power Amplifier With a Parallel-Series Combining Transformer.
IEEE J. Solid State Circuits
Jihwan Kim, Woonyun Kim, Hamhee Jeon, Yan-Yu Huang, Youngchang Yoon, Hyungwook Kim, Chang-Ho Lee, Kevin T. Kornegay
2012 J jnl
A Triple-Mode Balanced Linear CMOS Power Amplifier Using a Switched-Quadrature Coupler.
IEEE J. Solid State Circuits
Hamhee Jeon, Yunseo Park, Yan-Yu Huang, Jihwan Kim, Kun-Seok Lee, Chang-Ho Lee, J. Stevenson Kenney
2011 J jnl
A Linear Multi-Mode CMOS Power Amplifier With Discrete Resizing and Concurrent Power Combining Structure.
IEEE J. Solid State Circuits
Jihwan Kim, Youngchang Yoon, Hyungwook Kim, Kyu Hwan An, Woonyun Kim, Hyun-Woong Kim, Chang-Ho Lee, Kevin T. Kornegay
2011 — conf
An EDGE/GSM quad-band CMOS power amplifier.
ISSCC
Woonyun Kim, Ki Seok Yang, Jeonghu Han, Jaejoon Chang, Chang-Ho Lee
2011 J jnl
Highly Linear RF CMOS Variable Attenuators With Adaptive Body Biasing.
IEEE J. Solid State Circuits
Yan-Yu Huang, Wangmyong Woo, Youngchang Yoon, Chang-Ho Lee
2011 J jnl
Low-Power Technique for SRAM-Based On-Chip Arbitrary-Waveform Generator.
IEEE Trans. Instrum. Meas.
Taejoong Song, Sang Min Lee, Jongmin Park, Joonhoi Hur, Michael Lee, Kihong Kim, Chang-Ho Lee, Franklin Bien, Kyutae Lim, Joy Laskar
2010 J jnl
A 122-mW Low-Power Multiresolution Spectrum-Sensing IC With Self-Deactivated Partial Swing Techniques.
IEEE Trans. Circuits Syst. II Express Briefs
Taejoong Song, Jongmin Park, Sang Min Lee, Jaehyouk Choi, Kihong Kim, Chang-Ho Lee, Kyutae Lim, Joy Laskar
2010 J jnl
A Charging Acceleration Technique for Highly Efficient Cascode Class-E CMOS Power Amplifiers.
IEEE J. Solid State Circuits
Ockgoo Lee, Jeonghu Han, Kyu Hwan An, Dong Ho Lee, Kun-Seok Lee, Songcheol Hong, Chang-Ho Lee
2010 — conf
A dynamic timing control technique utilizing time borrowing and clock stretching.
CICC
Kwanyeob Chae, Saibal Mukhopadhyay, Chang-Ho Lee, Joy Laskar
2010 J jnl
Analysis and Design of Fully Integrated High-Power Parallel-Circuit Class-E CMOS Power Amplifiers.
IEEE Trans. Circuits Syst. I Regul. Pap.
Ockgoo Lee, Kyu Hwan An, Hyungwook Kim, Dong Ho Lee, Jeonghu Han, Ki Seok Yang, Chang-Ho Lee, Haksun Kim, Joy Laskar
2010 C conf
Emerging multi-level architectures and unbalanced mismatch calibration technique for high-efficient and high-linear LINC systems.
ISCAS
Joy Laskar, Kyutae Lim, Joonhoi Hur, Kihyun W. Kim, Ockgoo Lee, Chang-Ho Lee
2009 — conf
A 3.6mW differential common-gate CMOS LNA with positive-negative feedback.
ISSCC
Sanghyun Woo, Woonyun Kim, Chang-Ho Lee, Kyutae Lim, Joy Laskar
2009 J jnl
A Fully Integrated UHF-Band CMOS Receiver With Multi-Resolution Spectrum Sensing (MRSS) Functionality for IEEE 802.22 Cognitive Radio Applications.
IEEE J. Solid State Circuits
Jongmin Park, Taejoong Song, Joonhoi Hur, Sang Min Lee, Jungki Choi, Kihong Kim, Kyutae Lim, Chang-Ho Lee, Haksun Kim, Joy Laskar
2009 J jnl
Analysis and Design Techniques of CMOS Charge-Pump-Based Radio-Frequency Antenna-Switch Controllers.
IEEE Trans. Circuits Syst. I Regul. Pap.
Jeongwon Cha, Minsik Ahn, Changhyuk Cho, Chang-Ho Lee, Haksun Kim, Joy Laskar
2008 — conf
A Fully-Integrated UHF Receiver with Multi-Resolution Spectrum-Sensing (MRSS) Functionality for IEEE 802.22 Cognitive-Radio Applications.
ISSCC
Jongmin Park, Taejoong Song, Joonhoi Hur, Sang Min Lee, Jungki Choi, Kihong Kim, Jungsuk Lee, Kyutae Lim, Chang-Ho Lee, Haksun Kim, Joy Laskar
2008 J jnl
A Low-Power Fully Monolithic Subthreshold CMOS Receiver With Integrated LO Generation for 2.4 GHz Wireless PAN Applications.
IEEE J. Solid State Circuits
Bevin George Perumana, Rajarshi Mukhopadhyay, Sudipto Chakraborty, Chang-Ho Lee, Joy Laskar
2008 C conf
A charge-pump based 0.35µm CMOS RF switch driver for multi-standard operations.
ISCAS
Jeongwon Cha, Minsik Ahn, Changhyuk Cho, Chang-Ho Lee, Joy Laskar
2008 J jnl
Power-Combining Transformer Techniques for Fully-Integrated CMOS Power Amplifiers.
IEEE J. Solid State Circuits
Kyu Hwan An, Ockgoo Lee, Hyungwook Kim, Dong Ho Lee, Jeonghu Han, Ki Seok Yang, Younsuk Kim, Jaejoon Chang, Wangmyong Woo, Chang-Ho Lee, Haksun Kim, Joy Laskar
2007 — conf
A Cognitive Radio (CR)-Based Mobile Interactive Digital Broadcasting Application adopting a Multi-Resolution Spectrum-Sensing (MRSS) Technique.
VTC Fall
Youngsik Hur, G. Park, Chang-Ho Lee, Haksun Kim, Joy Laskar
2007 C conf
CMOS High Power SPDT Switch using Multigate Structure.
ISCAS
Minsik Ahn, Chang-Ho Lee, Joy Laskar
2007 — conf
Interference Analysis and Sensing Threshold of Detect and Avoid (DAA) for UWB Coexistence with WiMax.
VTC Fall
Kwan-Woo Kim, Jongmin Park, Jinyoun Cho, Kyutae Lim, Charles J. Razzell, Kihong Kim, Chang-Ho Lee, Haksun Kim, Joy Laskar
2006 B conf
A Cognitive Radio (CR) System Employing A Dual-Stage Spectrum Sensing Technique : A Multi-Resolution Spectrum Sensing (MRSS) and A Temporal Signature Detection (TSD) Technique.
GLOBECOM
Youngsik Hur, Jongmin Park, W. Woo, J. S. Lee, Kyutae Lim, Chang-Ho Lee, Hyoungsoo Kim, Joy Laskar
2006 — conf
A Cognitive Radio (CR) Testbed System Employing a Wideband Multi-Resolution Spectrum Sensing (MRSS) Technique.
VTC Fall
Youngsik Hur, Jongmin Park, Kwan-Woo Kim, Jungseok Lee, Kyutae Lim, Chang-Ho Lee, Haksun Kim, Joy Laskar
2006 C conf
A wideband analog multi-resolution spectrum sensing (MRSS) technique for cognitive radio (CR) systems.
ISCAS
Youngsik Hur, Jongmin Park, W. Woo, Kyutae Lim, Chang-Ho Lee, Hyoungsoo Kim, Joy Laskar
2006 C conf
Effects of RF impairments in transmitter for the future beyond-3G communications systems.
ISCAS
Sanghyun Woo, Hyeongseok Yu, Jeakon Lee, Chang-Ho Lee, Joy Laskar
2006 — conf
Implementation Issues of A Wideband Multi-Resolution Spectrum Sensing (MRSS) Technique for Cognitlve Radio (CR) Systems.
CrownCom
Jongmin Park, Youngsik Hur, Taejoong Song, Kwan-Woo Kim, Jungsuk Lee, Kyutae Lim, Chang-Ho Lee, Haksun Kim, Joy Laskar
2006 C conf
Investigation of inductors for digital Si-CMOS technologies.
ISCAS
Rajarshi Mukhopadhyay, S. W. Yoon, Y. Park, Chang-Ho Lee, S. Nuttinck, Joy Laskar
2001 J jnl
Development of MMIC-based modules for multichannel RF/optical subcarrier multiplexed communications applications.
IEEE J. Solid State Circuits
Sangwoo Han, Neeraj Lal, Chang-Ho Lee, Babak Matinpour, Joy Laskar
1995 J jnl
On the generalized minimum spanning tree problem.
Networks
Young-Soo Myung, Chang-Ho Lee, Dong-wan Tcha
1993 J jnl
Topological design of a two-level network with ring-star configuration.
Comput. Oper. Res.
Chang-Ho Lee, Hyung-bong Ro, Dong-wan Tcha