Publication
Publication
Embedded Files
Research Summary
Research Summary
Primary Research Interests: Wireless Sensing Systems; Mobile & Ubiquitous Computing; Wearable Sensors; Wireless Networking; Technologies for Human and Planet Health.
Main Publication Venues: networked wireless systems (NSDI, HotNets), mobile and ubiquitous computing (MobiCom, IMWUT), and biomedical circuits (ISSCC, VLSI, JSSC, CICC).
Professional Service: TPC member in ACM MobiSys, Mobisys Workshop; Reviewer in ACM IMWUT, IEEE BioCAS, EMBC, JSSC, TBioCAS, TBME, TCAS-I, JBHI
Impact: Clinical trials with 400+ patients; research demoed to 100+ corporate sponsors; highlight papers in high-visibility venues
Selected Publications (Top Conference/Journal Papers)
Selected Publications (Top Conference/Journal Papers)
Underwater Environment Sensing
Underwater Environment Sensing
Battery-free wireless imaging of underwater environments [Paper] [Demo Video]
Sayed Saad Afzal, Waleed Akbar, Osvy Rodriguez, Mario Doumet, Unsoo Ha, Reza Ghaffarivardavagh, and Fadel Adib Nature Communications'22
Food and Liquid Safety Sensing
Food and Liquid Safety Sensing
Food and Liquid Sensing in Practical Environments using RFIDs [Paper]
Unsoo Ha, Junshan Leng, Alaa Khaddaj, Fadel Adib, USENIX NSDI'20Learning Food Quality and Safety from Wireless Stickers [Paper] [CBS This Morning]
Unsoo Ha, Yunfei Ma, Zexuan Zhong, Tzu-Ming Hsu, Fadel Adib, ACM HotNets'18
Non-Invasive Brain Monitoring
Non-Invasive Brain Monitoring
A 0.8V 82.9uW In-Ear BCI Controller IC With 8.8 PEF EEG Instrumentation Amplifier and Wireless BAN Transceiver [Paper]
Jaehyuk Lee, Kyoung-Rog Lee, Unsoo Ha, Ji-Hoon Kim, Kwonjoon Lee, Surin Gweon, Jaeeun Jang, Hoi-Jun Yoo, IEEE JSSC'19A 0.8V 82.9uW In-Ear BCI Controller System With 8.8 PEF EEG Instrumentation Amplifier and Wireless BAN Transceiver [Paper]
Jaehyuk Lee, Kyoung-Rog Lee, Unsoo Ha, Ji-Hoon Kim, Kwonjoon Lee, Surin Gweon, Jaeeun Jang, Hoi-Jun Yoo, IEEE SoVC'18An EEG-NIRS multimodal SoC for Accurate Anesthesia Depth Monitoring [Paper]
Unsoo Ha, Jaehyuk Lee, Minseo Kim, Taehwan Roh, Sangsik Choi, Hoi-Jun Yoo, IEEE JSSC'18A 25.2mW EEG-NIRS multimodal SoC for Accurate Anesthesia Depth Monitoring [Paper] - Session Highlighted Paper
Unsoo Ha, Jaehyuk Lee, Jihee Lee, Kwantae Kim, Minseo Kim, Taehwan Roh, Sangsik Choi, Hoi-Jun Yoo, IEEE ISSCC'17A Wearable EEG-HEG-HRV Multimodal System with Simultaneous Monitoring of tES for Mental Health Management [Paper]
Unsoo Ha, Yongsu Lee, Hyunki Kim, Taehwan Roh, Joonsung Bae, Changhyeon Kim, Hoi-Jun Yoo, IEEE TBioCAS'15A Wearable EEG-HEG-HRV Multimodal System with Real-time tES Monitoring for Mental Health Management [Paper]
Unsoo Ha, Yongsu Lee, Hyunki Kim, Taehwan Roh, Joonsung Bae, Changhyeon Kim, Hoi-Jun Yoo, IEEE ISSCC'15A 2.14 mW EEG neuro-feedback processor with transcranial electrical stimulation for mental-health management [Paper]
Taehwan Roh, Kiseok Song, Hyunwoo Cho, Dongjoo Shin, Unsoo Ha, Kwonjoon Lee, Hoi-Jun Yoo, IEEE ISSCC'14
Non-Invasive Continuous Glucose Monitoring
Non-Invasive Continuous Glucose Monitoring
An Impedance and Multi-wavelength Near-Infrared Spectroscopy IC for Non-invasive Blood Glucose Estimation [Paper]
Kiseok Song, Unsoo Ha, Seongwook Park, Joonsung Bae, Hoi-Jun Yoo, IEEE JSSC'15An Impedance and Multi-wavelength Near-Infrared Spectroscopy IC for Non-invasive Blood Glucose Estimation [Paper]
Kiseok Song, Unsoo Ha, Seongwook Park, Joonsung Bae, Hoi-Jun Yoo, IEEE SoVC'14
Electrical Impedance Tomography
Electrical Impedance Tomography
A 4.9mΩ-Sensitivity Mobile Electrical Impedance Tomography IC for Early Breast-Cancer Detection System [Paper]
Sunjoo Hong, Kwonjoon Lee, Unsoo Ha, Hyunki Kim, Yongsu Lee, Youchang Kim, Hoi-Jun Yoo, IEEE JSSC'14A 4.9mΩ-Sensitivity Mobile Electrical Impedance Tomography IC for Early Breast-Cancer Detection System [Paper]
Sunjoo Hong, Kwonjoon Lee, Unsoo Ha, Hyunki Kim, Yongsu Lee, Youchang Kim, Hoi-Jun Yoo, IEEE ISSCC'14
Electrical Stimulation
Electrical Stimulation
An 87mA·min Iontophoresis Controller IC With Dual-Mode Impedance Sensor for Patch-Type Transdermal Drug Delivery System [Paper]
Kiseok Song, Unsoo Ha, Jaehyuk Lee, Kyeongryeol Bong, Hoi-Jun Yoo, IEEE JSSC'13An 87mA·min iontophoresis Controller IC with Dual-mode Impedance Sensor for Patch-Type Transdermal Drug Delivery System [Paper]
Kiseok Song, Unsoo Ha, Jaehyuk Lee, Kyeongryeol Bong, Hoi-Jun Yoo, IEEE ISSCC'13A Sub-10 nA DC-Balanced Adaptive Stimulator IC With Multi-Modal Sensor for Compact Electro-Acupuncture Stimulation [Paper]
Kiseok Song, Hyungwoo Lee, Sunjoo Hong, Hyunwoo Cho, Unsoo Ha, Hoi-Jun Yoo, IEEE TBioCAS'15
Inductive-coupling Communication
Inductive-coupling Communication
1.2 Gb/s 3.9 pJ/b mono-phase pulse-modulation inductive-coupling transceiver for mm-range board-to-board communication [Paper]
Hyunwoo Cho, Unsoo Ha, Taehwan Roh, Dongchurl Kim, Jeahyuck Lee, Yunje Oh, Hoi-Jun Yoo, IEEE ISSCC'13Google Sites
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