Kyung-Sik Choi

36 papers C 3Journal 16Unranked 17

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	A Multiband Ultralow-Power Transceiver With Two-Step Wake-Up Reception. IEEE Solid State Circuits Lett. Thinh Tran-Dinh, Hafiz Usman Mahmood, Jinglong Xu, Keun-Mok Kim, Kyung-Sik Choi, Jaeheon Lee, Jinho Ko, Sang-Gug Lee, Jusung Kim
2025	J	`jnl`	A 150-GHz Single-to-Differential LNA Adopting Wideband G IEEE J. Solid State Circuits Hokeun Lee, Hyo-Ryeong Jeon, Sang-Gug Lee, Kyung-Sik Choi
2025	J	`jnl`	A D-Band Concurrent 20-Beam MIMO Transmitter Array With a Four-Element Joint Static/Dynamic Beam-Multiplication Beamformer. IEEE J. Solid State Circuits Kyung-Sik Choi, Basem Abdelaziz Abdelmagid, Yuqi Liu, Hua Wang
2025	J	`jnl`	High-Power 270-GHz Oscillator With Harmonic Output Power Optimization Using Series Resonance Feedback. IEEE Trans. Circuits Syst. II Express Briefs Abdul Qahir, Kyung-Sik Choi, Jong-Phil Hong, Sang-Gug Lee
2025	J	`jnl`	Ultrawideband Distributed Amplifier With Positive Feedback and Intrastack Coupling. IEEE J. Solid State Circuits Dongwon Lee, Kyung-Sik Choi, Yuqi Liu, Jeongsoo Park, Laurenz Kulmer, Tzu-Yuan Huang, Juerg Leuthold, Hua Wang
2024	—	`conf`	17.6 Fully Integrated CMOS Ferrofluidic Biomolecular Processing Platform with On-Chip Droplet-Based Manipulation, Multiplexing and Sensing. ISSCC Dongwon Lee, Kyung-Sik Choi, Fuze Jiang, Hangxing Liu, Doohwan Jung, Ying Kong, Marco Saif, Zhikai Huang, Jing Wang, Hua Wang
2024	—	`conf`	A 24% Efficient, 15.36 dBm Output Power, Multi-Standard Digital Polar Transmitter with 7-bit Phase Interpolator-based BFSK Modulator and 23 dB Sidelobe Suppressed PA for Low-Power Wide Area Networks. A-SSCC Hafiz Usman Mahmood, Keun-Mok Kim, Thinh Tran-Dinh, Jinglong Xu, Abdul Qahir, Jinho Ko, Jusung Kim, Sang-Gug Lee, Kyung-Sik Choi
2024	—	`conf`	A Co-Integrated Optical Phased Array, Mach-Zehnder Modulator and Mm-Wave Driver for Free-Space Communication. CICC Youngin Kim, Laurenz Kulmer, Killian Keller, Jeongsoo Park, Basem Abdelaziz Abdelmagid, Kyung-Sik Choi, Dongwon Lee, Yuqi Liu, Juerg Leuthold, Hua Wang
2024	—	`conf`	AI-Assisted Design Automation of Circular and Asymmetric Inductor in CMOS Technology. ISOCC Jin-Won Hyun, Dana Kim, Kyung-Sik Choi, Jae-Won Nam
2024	J	`jnl`	High-Power 150/245-GHz Fundamental Oscillators With 12.1/-2.54-dBm Peak Output Power for Phased Array Transceivers. IEEE J. Solid State Circuits Abdul Qahir, Dzuhri Radityo Utomo, Byeonghun Yun, Kyung-Sik Choi, Dae-Woong Park, Sang-Gug Lee
2023	J	`jnl`	A -124-dBm Sensitivity Interference-Resilient Direct-Conversion Duty-Cycled Wake-Up Receiver Achieving 0.114 mW at 1.966-s Wake-Up Latency. IEEE J. Solid State Circuits Keun-Mok Kim, Kyung-Sik Choi, Hyunki Jung, Byeonghun Yun, Jinglong Xu, Jinho Ko, Sang-Gug Lee
2023	—	`conf`	A 137-GHz Ultra-Wide Bandwidth High-Linearity CMOS Distributed Amplifier for High-Speed Communication. ESSCIRC Dongwon Lee, Jeongsoo Park, Kyung-Sik Choi, Yuqi Liu, Hua Wang
2023	J	`jnl`	A 250-GHz Wideband Direct-Conversion CMOS Receiver Adopting Baseband Equalized Low-Loss Resistive Passive Mixer. IEEE Trans. Circuits Syst. II Express Briefs Hyo-Ryeong Jeon, Byeonghun Yun, Ho-Keun Lee, Sang-Gug Lee, Kyung-Sik Choi
2023	J	`jnl`	A Multi-Functional CMOS Biosensor Array With On-Chip DEP-Assisted Sensing for Rapid Low-Concentration Analyte Detection and Close-Loop Particle Manipulation With No External Electrodes. IEEE Trans. Biomed. Circuits Syst. Dongwon Lee, Doohwan Jung, Fuze Jiang, Gregory Villiam Junek, Jongseok Park, Hangxing Liu, Ying Kong, Adam Y. Wang, Youngin Kim, Kyung-Sik Choi, Jing Wang, Hua Wang
2023	C	`conf`	Experimental Analysis for Fast Lithium Plating Detection in Voltage Relaxation Profile of Lithium-Ion Batteries. IECON Min Jae Jung, Akzhol Baktiyar, Young-Nam Lee, Sang-Gug Lee, Taekyu Kang, Soo-Youn Park, Juhyun Song, Kyung-Sik Choi
2023	C	`conf`	Fast-Settling Onboard Electrochemical Impedance Spectroscopy System Adopting Two-Stage Hilbert Transform. IECON Young-Nam Lee, Min Jae Jung, Seong-Won Jo, Gul Rahim, Sang-Gug Lee, Kyung-Sik Choi
2023	—	`conf`	Fast-settling Onboard Electrochemical Impedance Spectroscopy System Adopting Quasi-linear-phase Band-pass Filter. I2MTC Young-Nam Lee, Kyung-Sik Choi, Seong-Won Jo, Gul Rahim, Kyeongha Kwon, Sang-Gug Lee
2023	C	`conf`	Reduction of Electrochemical Impedance Spectroscopy Measurement Time for Lithium-ion Batteries Based on Compressive Sensing. IECON Akzhol Baktiyar, Young-Nam Lee, Min Jae Jung, Sang-Gug Lee, Kyung-Sik Choi
2022	J	`jnl`	A 0.3-to-1-GHz IoT Transmitter Employing Pseudo-Randomized Phase Switching Modulator and Single-Supply Class-G Harmonic Rejection PA. IEEE J. Solid State Circuits Kyung-Sik Choi, Jinho Ko, Keun-Mok Kim, Jusung Kim, Sang-Gug Lee
2022	J	`jnl`	A 915 MHz IoT Transmitter Employing Frequency Tripler and Digitally Controlled Duty-Cycle/Phase Calibration. IEEE J. Solid State Circuits Kyung-Sik Choi, Keun-Mok Kim, Jinho Ko, Sang-Gug Lee
2022	J	`jnl`	A Fully Integrated 490-GHz CMOS Receiver Adopting Dual-Locking Receiver-Based FLL. IEEE J. Solid State Circuits Kyung-Sik Choi, Keun-Mok Kim, Dzuhri Radityo Utomo, In-Young Lee, Sang-Gug Lee
2022	—	`conf`	An LPWAN Radio with a Reconfigurable Data/Duty-Cycled-Wake-Up Receiver. ISSCC Keun-Mok Kim, Kyung-Sik Choi, Hyunki Jung, Byeonghun Yun, Subin Kim, Wonkab Oh, Eui-Soo Lee, Sujin Park, Eui-Rim Jeong, Jinho Ko, Sang-Gug Lee
2022	J	`jnl`	CMOS Fractional-N Frequency Synthesizer for UHF RFID Reader Applications With Transformer-Based ISF Manipulation VCO. IEEE Trans. Circuits Syst. II Express Briefs Hyunki Jung, Kyung-Sik Choi, Keun-Mok Kim, Daehoon Jo, Jaeheon Lee, Jusung Kim, Jinho Ko, Sang-Gug Lee
2021	—	`conf`	0.6 V 8.1/0.2µW Ultra-Low-Power Logarithmic Power Detectors Employing Subthreshold MOS Transistors. A-SSCC Keun-Mok Kim, Hyun-Gi Seok, Jeong-Il Seo, Kyung-Sik Choi, Sang-Gug Lee
2021	—	`conf`	245/243GHz, 9.2/10.5dBm Saturated Output Power, 4.6/2.8% PAE, and 28/26dB Gain Power Amplifiers in 65nm CMOS Adopting 2-and 4-way Power Combining. A-SSCC Byeonghun Yun, Dae-Woong Park, Kyung-Sik Choi, Ho-Jin Song, Sang-Gug Lee
2021	J	`jnl`	A -123-dBm Sensitivity Split-Channel BFSK Reconfigurable Data/Wake-Up Receiver for Low-Power Wide-Area Networks. IEEE J. Solid State Circuits Keun-Mok Kim, Hyun-Gi Seok, Oh-Yong Jung, Kyung-Sik Choi, Byeonghun Yun, Subin Kim, Wonkab Oh, Eui-Rim Jeong, Jinho Ko, Sang-Gug Lee
2021	J	`jnl`	A Low-Noise and Fast-Settling UHF RFID Receiver With Digitally Controlled Leakage Cancellation. IEEE Trans. Circuits Syst. II Express Briefs Subin Kim, Kyung-Sik Choi, Keun-Mok Kim, Jinho Ko, Jusung Kim, Sang-Gug Lee
2021	—	`conf`	A Single-Supply Single-Core Inverse Class-D Digital Power Amplifier with Enhanced Power Back-Off Efficiency Adopting Output Power Scaling Technique. VLSI Circuits Kyung-Sik Choi, Jinho Ko, Sang-Gug Lee
2021	J	`jnl`	A Sub-nW Single-Supply 32-kHz Sub-Harmonic Pulse Injection Crystal Oscillator. IEEE J. Solid State Circuits Keun-Mok Kim, Subin Kim, Kyung-Sik Choi, Hyunki Jung, Jinho Ko, Sang-Gug Lee
2020	—	`conf`	29.7 A 490GHz 32mW Fully Integrated CMOS Receiver Adopting Dual-Locking FLL. ISSCC Kyung-Sik Choi, Dzuhri Radityo Utomo, Keun-Mok Kim, Byeonghun Yun, Sang-Gug Lee, In-Young Lee
2020	—	`conf`	A 5 dBm 30.6% Efficiency 915 MHz Transmitter with 210 μW ULP PLL Employing Frequency Tripler and Digitally Controlled Duty/Phase Calibration Buffer. A-SSCC Kyung-Sik Choi, Keun-Mok Kim, Jinho Ko, Sang-Gug Lee
2019	—	`conf`	A 915 MHz, 499 μW, -99 dBm, and 100 kbps BFSK Direct Conversion Receiver. ESSCIRC Keun-Mok Kim, Eui-Rim Jeong, Kyung-Sik Choi, Subin Kim, Byeonghun Yun, Hyunki Jung, Wonkab Oh, Jinho Ko, Sang-Gug Lee
2011	—	`conf`	An Enhanced Formation of Multi-robot Based on A* Algorithm for Data Relay Transmission. ICSI (2) Zhiguang Xu, Kyung-Sik Choi, Yoon-Gu Kim, Jinung An, Suk-Gyu Lee
2010	—	`conf`	Enhanced Mapping of Multi-robot Using Distortion Reducing Filter Based SIFT. ICSI (1) Kyung-Sik Choi, Yoon-Gu Kim, Jinung An, Suk-Gyu Lee
2010	—	`conf`	Object Recognition of a Mobile Robot Based on SIFT with De-speckle Filtering. ICSI (2) Zhiguang Xu, Kyung-Sik Choi, Yanyan Dai, Suk-Gyu Lee
2009	—	`conf`	Hybrid Filter Based Simultaneous Localization and Mapping for a Mobile Robot. ISNN (3) Kyung-Sik Choi, Bong-Keun Song, Suk-Gyu Lee