Yongsu Lee

29 papers C 3Journal 9Unranked 17
YearRankTypeTitle / Venue / Authors
2021 — conf
Drastic reliability improvement using H2O2/UV treatment of HfO2 for heterogeneous integration.
IRPS
Seung-Mo Kim, Thi Mi Hanh Nyugen, Jungwon Oh, Yongsu Lee, Soo Cheol Kang, Ho-In Lee, Cihyun Kim, Surajit Some, Hyeon Jun Hwang, Byoung Hun Lee
2020 — conf
Extreme Low Power Technology using Ternary Arithmetic Logic Circuits via Drastic Interconnect Length Reduction.
ISMVL
Kiyung Kim, Sunmean Kim, Yongsu Lee, Daeyeon Kim, So-Young Kim, Seokhyeong Kang, Byoung Hun Lee
2019 — conf
A 0.5V 9.26μW 15.28mΩ/√Hz Bio-Impedance Sensor IC With 0.55° Overall Phase Error.
ISSCC
Kwantae Kim, Ji-Hoon Kim, Surin Gweon, Jiwon Lee, Minseo Kim, Yongsu Lee, Soyeon Kim, Hoi-Jun Yoo
2019 — conf
A 7.0fps Optical and Electrical Dual Tomographic Imaging SoC for Skin-Disease Diagnosis System.
ISSCC
Yongsu Lee, Kwantae Kim, Jiwon Lee, Kyoung-Rog Lee, Surin Gweon, Minseo Kim, Hoi-Jun Yoo
2019 J jnl
A Four-Camera VGA-Resolution Capsule Endoscope System With 80-Mb/s Body Channel Communication Transceiver and Sub-Centimeter Range Capsule Localization.
IEEE J. Solid State Circuits
Jaeeun Jang, Jihee Lee, Kyoung-Rog Lee, Jiwon Lee, Minseo Kim, Yongsu Lee, Joonsung Bae, Hoi-Jun Yoo
2019 — conf
Demonstration of ternary devices and circuits using dual channel graphene barristors.
ISMVL
So-Young Kim, Sunwoo Heo, Kiyung Kim, Myungwoo Son, Seung-Mo Kim, Ho-In Lee, Yongsu Lee, Hyeon Jun Hwang, Moon-Ho, Byoung Hun Lee
2018 — conf
4-Camera VGA-resolution capsule endoscope with 80Mb/s body-channel communication transceiver and Sub-cm range capsule localization.
ISSCC
Jaeeun Jang, Jihee Lee, Kyoung-Rog Lee, Jiwon Lee, Minseo Kim, Yongsu Lee, Joonsung Bae, Hoi-Jun Yoo
2018 J jnl
A 0.55 V 1.1 mW Artificial Intelligence Processor With On-Chip PVT Compensation for Autonomous Mobile Robots.
IEEE Trans. Circuits Syst. I Regul. Pap.
Youchang Kim, Dongjoo Shin, Jinsu Lee, Yongsu Lee, Hoi-Jun Yoo
2017 — conf
21.2 A 1.4mΩ-sensitivity 94dB-dynamic-range electrical impedance tomography SoC and 48-channel Hub SoC for 3D lung ventilation monitoring system.
ISSCC
Minseo Kim, Hyunki Kim, Jaeeun Jang, Jihee Lee, Jaehyuk Lee, Jiwon Lee, Kyungrog Lee, Kwantae Kim, Yongsu Lee, Hoi-Jun Yoo
2017 J jnl
A 1.4-m $\Omega$ -Sensitivity 94-dB Dynamic-Range Electrical Impedance Tomography SoC and 48-Channel Hub-SoC for 3-D Lung Ventilation Monitoring System.
IEEE J. Solid State Circuits
Minseo Kim, Jaeeun Jang, Hyunki Kim, Jihee Lee, Jaehyuk Lee, Jiwon Lee, Kyoung-Rog Lee, Kwantae Kim, Yongsu Lee, Kyuho Jason Lee, Hoi-Jun Yoo
2017 — conf
A 24 μW 38.51 mΩrms resolution bio-impedance sensor with dual path instrumentation amplifier.
ESSCIRC
Kwantae Kim, Kiseok Song, Kyeongryeol Bong, Jaehyuk Lee, Kwonjoon Lee, Yongsu Lee, Unsoo Ha, Hoi-Jun Yoo
2017 — conf
A 274µW clock synchronized wireless body area network IC with super-regenerative RSSI for biomedical ad-hoc network system.
EMBC
Yongsu Lee, Hoi-Jun Yoo
2017 J jnl
A 82-nW Chaotic Map True Random Number Generator Based on a Sub-Ranging SAR ADC.
IEEE J. Solid State Circuits
Minseo Kim, Unsoo Ha, Kyuho Jason Lee, Yongsu Lee, Hoi-Jun Yoo
2017 J jnl
Sticker-Type Hybrid Photoplethysmogram Monitoring System Integrating CMOS IC With Organic Optical Sensors.
IEEE J. Emerg. Sel. Topics Circuits Syst.
Yongsu Lee, Hyeonwoo Lee, Jaeeun Jang, Jihee Lee, Minseo Kim, Jaehyuk Lee, Hyunki Kim, Seunghyup Yoo, Hoi-Jun Yoo
2016 — conf
14.3 A 0.55V 1.1mW artificial-intelligence processor with PVT compensation for micro robots.
ISSCC
Youchang Kim, Dongjoo Shin, Jinsu Lee, Yongsu Lee, Hoi-Jun Yoo
2016 — conf
22.3 A 141µW sensor SoC on OLED/OPD substrate for SpO2/ExG monitoring sticker.
ISSCC
Yongsu Lee, Hyeonwoo Lee, Jaeeun Jang, Jihee Lee, Minseo Kim, Jaehyuk Lee, Hyunki Kim, Kyoung-Rog Lee, Kwantae Kim, Hyunwoo Cho, Seunghyup Yoo, Hoi-Jun Yoo
2016 C conf
A 48 μW, 8.88 × 10-3 W/W batteryless energy harvesting BCC identification system.
ISCAS
Jihee Lee, Yongsu Lee, Hyunwoo Cho, Hoi-Jun Yoo
2016 J jnl
A 540-µW Duty Controlled RSSI With Current Reusing Technique for Human Body Communication.
IEEE Trans. Biomed. Circuits Syst.
Jaeeun Jang, Yongsu Lee, Hyunwoo Cho, Hoi-Jun Yoo
2016 J jnl
A 79 pJ/b 80 Mb/s Full-Duplex Transceiver and a 42.5µW 100 kb/s Super-Regenerative Transceiver for Body Channel Communication.
IEEE J. Solid State Circuits
Hyunwoo Cho, Hyunki Kim, Minseo Kim, Jaeeun Jang, Yongsu Lee, Kyuho Jason Lee, Joonsung Bae, Hoi-Jun Yoo
2016 — conf
A 82nW chaotic-map true random number generator based on sub-ranging SAR ADC.
ESSCIRC
Minseo Kim, Unsoo Ha, Yongsu Lee, Kyuho Lee, Hoi-Jun Yoo
2016 — conf
Sticker-type ECG/PPG concurrent monitoring system hybrid integration of CMOS SoC and organic sensor device.
EMBC
Yongsu Lee, Hyeonwoo Lee, Seunghyup Yoo, Hoi-Jun Yoo
2015 — conf
21.9 A wearable EEG-HEG-HRV multimodal system with real-time tES monitoring for mental health management.
ISSCC
Unsoo Ha, Yongsu Lee, Hyunki Kim, Taehwan Roh, Joonsung Bae, Changhyeon Kim, Hoi-Jun Yoo
2015 C conf
A 0.54-mW duty controlled RSSI with current reusing technique for human body communication.
ISCAS
Jaeeun Jang, Yongsu Lee, Hyunwoo Cho, Hoi-Jun Yoo
2015 — conf
A 4.84mW 30fps dual frequency division multiplexing electrical impedance tomography SoC for lung ventilation monitoring system.
VLSIC
Yongsu Lee, Kiseok Song, Hoi-Jun Yoo
2015 J jnl
A 4.9 mΩ-Sensitivity Mobile Electrical Impedance Tomography IC for Early Breast-Cancer Detection System.
IEEE J. Solid State Circuits
Sunjoo Hong, Kwonjoon Lee, Unsoo Ha, Hyunki Kim, Yongsu Lee, Youchang Kim, Hoi-Jun Yoo
2015 J jnl
A Wearable EEG-HEG-HRV Multimodal System With Simultaneous Monitoring of tES for Mental Health Management.
IEEE Trans. Biomed. Circuits Syst.
Unsoo Ha, Yongsu Lee, Hyunki Kim, Taehwan Roh, Joonsung Bae, Changhyeon Kim, Hoi-Jun Yoo
2015 — conf
A multimodal stress monitoring system with canonical correlation analysis.
EMBC
Unsoo Ha, Changhyeon Kim, Yongsu Lee, Hyunki Kim, Taehwan Roh, Hoi-Jun Yoo
2014 — conf
18.4 A 4.9mΩ-sensitivity mobile electrical impedance tomography IC for early breast-cancer detection system.
ISSCC
Sunjoo Hong, Kwonjoon Lee, Unsoo Ha, Hyunki Kim, Yongsu Lee, Youchang Kim, Hoi-Jun Yoo
2014 C conf
3.8 mW electrocardiogram (ECG) filtered electrical impedance tomography IC using I/Q homodyne architecture for breast cancer diagnosis.
ISCAS
Yongsu Lee, Unsoo Ha, Kiseok Song, Hoi-Jun Yoo