1. Real-Time Scheduling and Systems: Timing guarantees for safety- and mission-critical systems
└ ML for RT & RT for ML: Machine learning for real-time systems, and timing guarnatee for machine learning
2. Software Defined Batteries: Improvement of battery performance through computer science/engineering principles
3. Mobile Computing and Systems: Facilitating new functions for mobile devices without additional hardware
Education
Ph.D.: Computer Science, KAIST, Republic of Korea, 2011.8
M.S.: Computer Science, KAIST, Republic of Korea, 2006.8
B.S.: Computer Science AND Applied Mathematics (Double Major), KAIST, Republic of Korea, 2004.8
Experience
Visiting Professor (taking a sabbatical year), University of Michigan, USA, 2020.1 - 2021.1
Research Fellow/Visiting Scholar, University of Michigan, USA, 2011.10 - 2014.1
Journal Articles
(2022)
MC-FLEX: Flexible Mixed-Criticality Real-Time Scheduling by Task-Level Mode Switch.
IEEE TRANSACTIONS ON COMPUTERS.
71,
8
(2022)
Necessary Feasibility Analysis for Mixed-Criticality Real-Time Embedded Systems.
IEEE TRANSACTIONS ON PARALLEL AND DISTRIBUTED SYSTEMS.
33,
7
(2020)
SmartGrip: grip sensing system for commodity mobile devices through sound signals.
PERSONAL AND UBIQUITOUS COMPUTING.
24,
5
(2020)
Power Guarantee for Electric Systems Using Real-Time Scheduling.
IEEE TRANSACTIONS ON PARALLEL AND DISTRIBUTED SYSTEMS.
31,
8
(2019)
Improved schedulability analysis of the contention-free policy for real-time systems.
JOURNAL OF SYSTEMS AND SOFTWARE.
154,
(2019)
JMC: Jitter-Based Mixed-Criticality Scheduling for Distributed Real-Time Systems.
IEEE INTERNET OF THINGS JOURNAL.
6,
4
(2019)
MC-SDN: Supporting Mixed-Criticality Real-Time Communication Using Software-Defined Networking.
IEEE INTERNET OF THINGS JOURNAL.
6,
4
(2018)
Non-Preemptive Scheduling for Mixed-Criticality Real-Time Multiprocessor Systems.
IEEE TRANSACTIONS ON PARALLEL AND DISTRIBUTED SYSTEMS.
29,
8
(2018)
Multi-level contention-free policy for real-time multiprocessor scheduling.
JOURNAL OF SYSTEMS AND SOFTWARE.
137,
1
(2017)
Improved Schedulability Analysis Using Carry-In Limitation for Non-Preemptive Fixed-Priority Multiprocessor Scheduling.
IEEE TRANSACTIONS ON COMPUTERS.
66,
10
(2017)
Global EDF Schedulability Analysis for Parallel Tasks on Multi-Core Platforms.
IEEE TRANSACTIONS ON PARALLEL AND DISTRIBUTED SYSTEMS.
28,
5
(2017)
Development and use of a new task model for cyber-physical systems: A real-time scheduling perspective.
JOURNAL OF SYSTEMS AND SOFTWARE.
126,
(2017)
Time-Reversibility for Real-Time Scheduling on Multiprocessor Systems.
IEEE TRANSACTIONS ON PARALLEL AND DISTRIBUTED SYSTEMS.
28,
1
(2016)
New response time analysis for global EDF on a multiprocessor platform.
JOURNAL OF SYSTEMS ARCHITECTURE.
65,
1
(2016)
Thread-level priority assignment in global multiprocessor scheduling for DAG tasks.
JOURNAL OF SYSTEMS AND SOFTWARE.
113,
1
(2015)
Composition of Schedulability Analyses for Real-Time Multiprocessor Systems.
IEEE TRANSACTIONS ON COMPUTERS.
64,
4
(2015)
Capturing urgency and parallelism using quasi-deadlines for real-time multiprocessor scheduling.
JOURNAL OF SYSTEMS AND SOFTWARE.
101,
(2014)
Improvement of Real-Time Multi-Core Schedulability with Forced Non-Preemption.
IEEE TRANSACTIONS ON PARALLEL AND DISTRIBUTED SYSTEMS.
25,
5
(2014)
Preempt a Job or Not in EDF Scheduling of Uniprocessor Systems.
IEEE TRANSACTIONS ON COMPUTERS.
63,
5
(2014)
Reducing Peak Power Consumption in Multi-Core Systems without Violating Real-Time Constraints.
IEEE TRANSACTIONS ON PARALLEL AND DISTRIBUTED SYSTEMS.
25,
4
Patent/Intellectual Property
OFDM을 이용한 Finger Tracking.
C-2019-009141.
20190402.
KOREA, REPUBLIC OF
소리를 이용한 주변 사물 감시.
C-2019-009140.
20190402.
KOREA, REPUBLIC OF
Xgboost(엑스지부스트)를 이용한 배터리 시뮬레이터 모델링.
C-2018-019803.
20180803.
KOREA, REPUBLIC OF
키 스트로크 감지 프로그램.
C-2018-019520.
20180802.
KOREA, REPUBLIC OF
에이알 이미지 판별기.
C-2018-019368.
20180801.
KOREA, REPUBLIC OF
Honors / Awards
SKKU-Samsung Electronics Industry-Acamedic Cooperation 2023 Best Patent Award, 2023.8
IEEE Senior Membership, 2020.11
Naver Young Faculty Award, 2016.4
IEEE RTSS Best Paper Award, 2012.12
IEEE RTAS Best Student Paper Award, 2011.4
Conference Paper
(2023)
RT-Blockchain: Achieving Time-Predictable Transactions.
IEEE Real-Time Systems Symposium.
TAIWAN
(2023)
MixMax: Leveraging Heterogeneous Batteries to Alleviate Low Battery Experience for Mobile Users.
ACM International Conference on Mobile Systems, Application and Services.
FINLAND
(2022)
RT-MOT: Confidence-Aware Real-Time Scheduling Framework for Multi-Object Tracking Tasks.
IEEE Real-Time Systems Symposium.
UNITED STATES
(2022)
Design and Timing Guarantee for Non-Preemptive Gang Scheduling.
IEEE Real-Time Systems Symposium.
UNITED STATES
(2022)
Response Time Analysis for Real-Time Global Gang Scheduling.
IEEE Real-Time Systems Symposium.
UNITED STATES
(2022)
DNN-SAM: Split-and-Merge DNN Execution for Real-Time Object Detection.
IEEE Real-Time and Embedded Technology and Applications Symposium.
UNITED STATES
(2021)
LaLaRAND: Flexible Layer-by-Layer CPU/GPU Scheduling for Real-Time DNN Tasks.
IEEE Real-Time Systems Symposium.
GERMANY
(2021)
ML for RT: Priority Assignment Using Machine Learning.
IEEE Real-Time and Embedded Technology and Applications Symposium.
UNITED STATES
(2020)
Non-Preemptive Real-Time Multiprocessor Scheduling Beyond Work-Conserving.
IEEE Real-Time Systems Symposium.
UNITED STATES
(2020)
Battery Aging Deceleration for Power-Consuming Real-Time Systems.
IEEE Real-Time Systems Symposium.
UNITED STATES
(2020)
Necessary Feasibility Analysis for Mixed-Criticality Task Systems on Uniprocessor.
IEEE Real-Time Systems Symposium.
UNITED STATES
(2019)
Adaptive Battery Diagnosis/Prognosis for Efficient Operation.
ACM e-energy.
UNITED STATES
(2018)
MC-SDN: Supporting Mixed-Criticality Scheduling on Switched-Ethernet Using Software-Defined Networking.
IEEE Real-Time Systems Symposium.
UNITED STATES
(2018)
Closing the Gap between Stability and Schedulability: A New Task Model for Cyber-Physical Systems.
IEEE Real-Time and Embedded Technology and Applications Symposium.
PORTUGAL
(2018)
Physical-State-Aware Dynamic Slack Management for Mixed-Criticality Systems.
IEEE Real-Time and Embedded Technology and Applications Symposium.
PORTUGAL
(2017)
Beyond Implicit-Deadline Optimality: A Multiprocessor Scheduling Framework for Constrained-Deadline Tasks.
The 38th IEEE Real-Time Systems Symposium (RTSS).
FRANCE
(2016)
Offline Guarantee and Online Management of Power Demand and Supply in Cyber-Physical Systems.
Proceedings of the 37th IEEE Real-Time Systems Symposium (RTSS 2016).
PORTUGAL
(2015)
Optimal Real-Time Scheduling on Two-Type Heterogeneous Multicore Platforms.
Proceedings of the 36th IEEE Real-Time Systems Symposium (RTSS 2015).
UNITED STATES
(2015)
Modeling and Real-time Scheduling of Large-Scale Batteries for Maximizing Performance.
roceedings of the 36th IEEE Real-Time Systems Symposium (RTSS 2015).
UNITED STATES
(2014)
Time-Reversibility of Schedulability Tests.
the 35th IEEE Real-Time Systems Symposium (RTSS 2014).
ITALY
