Manycore Intelligent SoC Architecture,
Processing-in-Memory,
Next generation Memory System,
Low-power/Thermal Management Technology,
3D IC Technology
Network-on-chip,
Optical Interface
Memory Architecture and Interface
Optical Interface
Education
1995. 03 ~ 1999. 02 : Ph.D, Dept. of EE, KAIST (Efficient Motion Estimation Techniques and VLSI Architectures for Video Compression)
1992. 03 ~ 1994. 02 : MS, Dept. of EE, KAIST (On-chip Floating-point Unit Design for HK486 Microprocessor)
1988. 03 ~ 1992. 02 : BS, Dept. of EE, KAIST
Experience
Senior Engineer, Samsung Electronics (1999-2006)
Program Director (Full-time advisor) on System Semiconductor under Ministry of Knowledge Economy, Korea Government (2011~2013)
Program Manager in Computer System & Processing, National Research Foundation of Korea
Journal Articles
(2024)
OWBM: OSNR-Aware Wavelength Allocation and Branching Methods for Multicast Routing in Custom Topology-Based Optical Network-on-Chips.
IEEE ACCESS.
12,
(2024)
RL-based Cache Replacement: A Modern Interpretation of Belady’s Algorithm with Bypass Mechanism and Access Type Analysis.
IEEE ACCESS.
11,
12
(2023)
SFAO: Sign-Flipping-Aware Optimization for Early-Stopping of Binarized Neural Networks.
IEEE ACCESS.
11,
(2023)
Binarized Neural Network With Parameterized Weight Clipping and Quantization Gap Minimization for Online Knowledge Distillation.
IEEE ACCESS.
11,
1
(2023)
NCDE: In-Network Caching for Directory Entries to Expedite Data Access in Tiled-Chip Multiprocessors.
IEEE ACCESS.
11,
1
(2023)
MRCN: Throughput-Oriented Multicast Routing for Customized Network-on-Chips.
IEEE TRANSACTIONS ON PARALLEL AND DISTRIBUTED SYSTEMS.
34,
1
(2022)
CSGN: Combined Channel- and Spatial-Wise Dynamic Gating Architecture for Convolutional Neural Networks.
ELECTRONICS.
11,
17
(2022)
On-the-Fly Lowering Engine: Offloading Data Layout Conversion for Convolutional Neural Networks.
IEEE ACCESS.
10,
7
(2021)
MRBS: An Area-Efficient Multicast Router for Network-on-Chip Using Buffer Sharing.
IEEE ACCESS.
9,
12
(2021)
Rapid Topology Generation and Core Mapping of Optical Network-on-Chip for Heterogeneous Computing Platform.
IEEE ACCESS.
9,
1
(2021)
Task Parallelism-Aware Deep Neural Network Scheduling on Multiple Hybrid Memory Cube-Based Processing-in-Memory.
IEEE ACCESS.
9,
5
(2020)
System-Level Signal Analysis Methodology for Optical Network-on-Chip Using Linear Model-Based Characterization.
IEEE TRANSACTIONS ON COMPUTER-AIDED DESIGN OF INTEGRATED CIRCUITS AND SYSTEMS.
39,
10
(2020)
Extended Worst-Case OSNR Searching Algorithm for Optical Network-on-Chip Using a Semi-Greedy Heuristic With Adaptive Scan Range.
IEEE ACCESS.
8,
8
(2020)
연계된 데이터로의 불규칙 메모리 접근을 위한 인-메모리 가속기.
전자공학회논문지.
57,
5
(2020)
Q-Function-Based Traffic- and Thermal-Aware Adaptive Routing for 3D Network-on-Chip.
ELECTRONICS.
9,
3
(2019)
Aging-Resilient Topology Synthesis of Heterogeneous Manycore Network-On-Chip Using Genetic Algorithm with Flexible Number of Routers.
ELECTRONICS.
8,
12
(2019)
Power and Signal-to-Noise Ratio Optimization in Mesh-Based Hybrid Optical Network-on-Chip Using Semiconductor Optical Amplifiers.
APPLIED SCIENCES-BASEL.
9,
6
(2018)
Insertion Loss-Aware Routing Analysis and Optimization for a Fat-Tree-Based Optical Network-on-Chip.
IEEE TRANSACTIONS ON COMPUTER-AIDED DESIGN OF INTEGRATED CIRCUITS AND SYSTEMS.
37,
3
SIMULATION METHOD AND SIMULATER FOR OPTICAL NETWORK-ON-CHIP SYSTEM.
17/134,584.
20230704.
UNITED STATES
non-volatile memory storage, computing system including the same and operation method thereof.
17/122255.
20220405.
UNITED STATES
Task mapping method of network-on-chip semiconductor device.
16674914.
20210907.
UNITED STATES
광학 네트워크-온-칩 시스템을 위한 시뮬레이션 방법 및 시뮬레이터.
10-2020-0007628.
20210629.
KOREA, REPUBLIC OF
광학 네트워크의 전력할당 방법(Method for Power Allocating of Optical Network).
10-2271-0820000.
20210624.
KOREA, REPUBLIC OF
NoC 구조의 반도체 장치 및 그의 라우팅 방법(Semiconductor device having network-on-chip structure and routing method thereof).
10-2203-6690000.
20210111.
KOREA, REPUBLIC OF
머신러닝 가속기 및 그의 행렬 연산 방법.
10-2018-0131185.
20201209.
KOREA, REPUBLIC OF
네트워크-온-칩의 신뢰성 향상을 위한 제어 신호의 오류 정정 기법 및 이를 위한 장치.
10-2019-0108307.
20201130.
KOREA, REPUBLIC OF
Wormhole Router(웜홀 라우터).
C-2020-042394.
20201117.
KOREA, REPUBLIC OF
딥러닝 모델의 뉴런 프루닝 및 재훈련 프로그램.
C-2020-040222.
20201106.
KOREA, REPUBLIC OF
멀티 레벨 셀의 데이터 입출력 장치와 그의 방법.
10-2019-0018131.
20201106.
KOREA, REPUBLIC OF
온도 정보를 활용한 멀티 레벨 셀 상변화 메모리 스크러빙 장치.
10-2018-0173991.
20200924.
KOREA, REPUBLIC OF
네트워크 온 칩 및 그의 데이터 압축 방법 및 장치.
10-2018-0160074.
20200507.
KOREA, REPUBLIC OF
TASK MAPPING METHOD OF NETWORK-ON-CHIP SEMICONDUCTOR DEVICE.
16/674914.
20200423.
UNITED STATES
VFI 네트워크 온칩에 대한 구역간 라우팅 방법, VFI 네트워크 온칩에 대한 구역내 라우팅 방법, VFI 네트워크 온칩에 대한 구역내 및 구역간 라우팅 방법 및 이를 실행하기 위한 프로그램이 기록된 기록매체.
10-2019-0016671.
20191219.
KOREA, REPUBLIC OF
NoC 반도체 장치의 태스크 매핑 방법(method of mapping task of network-on-chip semiconductor device).
US14/831,382.
20191210.
UNITED STATES
무선 네트워크 온 칩의 구성 요소와 이에 따른 통신 및 설계 방법.
10-2017-0124439.
20190207.
KOREA, REPUBLIC OF
네트워크-온-칩에서 트래픽 분산을 위한 구역 분할 기반 라우팅 기법.
10-2017-0131344.
20190108.
KOREA, REPUBLIC OF
Apparatus and method for generating a network on chip in an electronic device.
US15/068,381.
20181030.
UNITED STATES
Semiconductor device having network-on-chip structure and routing method thereof.
20160147463.
20180718.
UNITED STATES
Honors / Awards
Best Engineer of the Year 2002 in Telecom Business Unit, Samsung Electronics (Jan. 2003)
Awarded by the Ministry of Information & Communication for 20th Foundation Day (Jan. 2005)
Awarded by the Ministry of Industry, Trade, and Energy for the contribution to Korea Semiconductor Industry (Oct. 2013)
IEIE paper award (Semiconductor & Devices society) (Nov. 2015)
Excellent paper in science and technology from the KOFST (Jul. 2016)
Conference Paper
(2024)
RISC-V R-Extension: Advancing Efficiency with Rented-Pipeline for Edge DNN Processing.
2024 International Conference on Artificial Intelligence in Information and Communication (ICAIIC).
JAPAN
(2020)
Developing a Portable Block Testbench and Reusable SOC Verification Scenarios Using IP-XACT Based Automation.
2020 Design and Verification Conference and Exhibition.
UNITED STATES
(2019)
심층 신경망의 정확도 향상을 위한 뉴런 제거 방법.
대한전자공학회 추계학술대회.
KOREA, REPUBLIC OF
(2019)
A 4-way Matrix Multiply Unit for High Throughput Machine Learning Accelerator.
International SoC Design Conference 2019.
KOREA, REPUBLIC OF
(2019)
Through Silicon Via Allocation Method in 3D Network-on-Chip.
대한전자공학회 하계종합학술대회.
KOREA, REPUBLIC OF
(2019)
네트워크 온 칩에서의 효율적인 부하기반 이기종 오류정정기법 적용 방법.
2019 SoC 학술대회.
KOREA, REPUBLIC OF
(2019)
하이브리드 광학 네트워크-온-칩에서의 레이저 전력 할당 최적화 기법.
2019 soc학술대회.
KOREA, REPUBLIC OF
(2019)
Random I/O Performance Boosting Technique based on Statistical I/O Traffic Patterns of Embedded Storage.
International Conference on Electronics, Information and Communication (ICEIC) 2019.
NEW ZEALAND
(2018)
네트워크-온-칩의 신뢰성 향상을 위한 제어 신호의 오류 정정 기법.
2018년 대한전자공학회 추계학술대회.
KOREA, REPUBLIC OF
(2018)
멀티 레벨 셀 상변화 RAM의 고장 모델 그룹화를 통한 고장 검출 테스트 기법.
2018년 대한전자공학회 추계학술대회.
KOREA, REPUBLIC OF
(2018)
Lifetime improvement method using threshold-based partial data compression in NoC.
2018 International SoC Design Conference.
KOREA, REPUBLIC OF
(2018)
Reliability Optimization of ReRAM Architecture using Heterogeneous Error Correcting Code Scheme.
2018 International SoC Design Conference.
KOREA, REPUBLIC OF
(2018)
광학 네트워크-온-칩 설계 및 검증을 위한 마이크로링 공명기의 과도 응답 모델.
2018년 대한전자공학회 하계학술대회.
KOREA, REPUBLIC OF
(2018)
차세대 비휘발성 메모리 Crossbar Array Architecture의 읽기 기준 전압과 Array 사이즈에 따른 누설전류 및 소비전력 분석.
2018년 대한전자공학회 하계학술대회.
KOREA, REPUBLIC OF
(2018)
Load-aware memory DVFS in Mobile SoC.
2018 Design Automation Conference.
UNITED STATES
(2018)
네트워크-온-칩의 신뢰성 향상을 위한 DEC BCH 디코더의 타이밍 최적화 기법.
2018 SoC학술대회.
KOREA, REPUBLIC OF
(2018)
멀티 레벨 셀 PRAM에서 온도 정보를 고려한 스크러빙 주기 할당 기법.
2018 SoC학술대회.
KOREA, REPUBLIC OF
(2018)
적응적 라우팅 네트워크-온-칩에서 데이터 처리량 최적화를 위한 입자 군집 최적화 기반 IP 매핑 기법.
2018 SoC학술대회.
KOREA, REPUBLIC OF
(2018)
로드밸런싱을 위한 적응적 네트워크-온-칩 라우팅 할당 방법.
2018년 한국통신학회 동계학술대회.
KOREA, REPUBLIC OF
(2017)
Air Gap-Aware Design Optimization for High Performance SOC with Efficient Process Cost.
54th IEEE/ACM Design Automation Conference.
UNITED STATES