About Me

Profile

Sunwook Hwang, Ph.D

NPU Performance Architect

Digital IP/Circuit Chip Design
SOC IP Development Team (S.LSI)
Samsung Electronics

Employment

- Samsung Electronics, Korea

SOC IP Development Team (S.LSI)
Sept. 2024 ~ Current

- Seoul National University (SNU), Seoul, Korea

Postdoctoral Researcher (Advisor - Prof. Saewoong Bahk)
Sept. 2023 ~ Aug. 2024

Education

- Ph.D. in ECE from SNU in Aug. 2023

Advisor
- Saewoong Bahk
- Sunghyun Choi, Advisor before moving to NETLAB
  (Currently Corporate EVP and Head of Advanced R&D Team, Samsung Networks)

- B.S. in EE from POSTECH in Feb. 2016

Research Interest

- Neural Processing Unit (NPU) for mobile devices

- Distributed, semi-supervised learning

- 3D vision for autonomous vehicles

Current Collaborators

Jeongjun Park (Ph.D., Samsung Electronics [CP S/W Development])
Jin Mo Yang (Ph.D. Candidate, SNU)
Youngseok Kim (Ph.D. Candidate, SNU)

Journals & Conferences

[ICLR 2025] ConcreTizer: Model Inversion Attack via Occupancy Classification and Dispersion Control for 3D Point Cloud Restoration [Paper] [arXiv]
*Youngseok Kim, *Sunwook Hwang, Hyung-Sin Kim, and Saewoong Bahk (*Equal Contribution)
[IEEE Access 2025] FrameBoost: Advanced Video Analytics with Inference Trigger Frame Selection via Tracking Error Estimation [Paper]
Jin Mo Yang, ^Sunwook Hwang, Jeongjun Park, and ^Saewoong Bahk (^Corresponding authors)
[IEEE/CVF ICCV 2023] UpCycling: Semi-supervised 3D Object Detection without Sharing Raw-level Unlabeled Scenes [Paper]
Sunwook Hwang, Youngseok Kim, Seongwon Kim, Saewoong Bahk, and Hyung-Sin Kim
[IEEE VTS APWCS 2022] A Study on the Feature-level Perception Sharing of Autonomous Vehicles
Youngseok Kim, Sunwook Hwang, Saewoong Bahk
[IEEE TVT 2020] Beyond Vision: Hidden Car Detector with On-demand Relaying in Vehicular Communications [Paper]
Sunwook Hwang, Seongwon Kim, Hoyoung Yoon, Byungjun Kim, Sunghyun Choi, and Saewoong Bahk
[IEEE WCNC 2021] PRESS: Predictive Assessment of Resource Usage for C-V2V Mode 4 [Paper]
Jin Mo Yang, Hoyoung Yoon, Sunwook Hwang, and Saewoong Bahk
[IEEE Access 2019] Nearest-First: Efficient Relaying Scheme in Heterogeneous V2V Communication Environments
Byungjun Kim, Seongwon Kim, Hoyoung Yoon, Sunwook Hwang, M. Xavier Punithan, Byeong Rim Jo, and Sunghyun Choi
[IEEE DySPAN 2017] COTA: Channel Occupancy Time Adaptation for LTE in Unlicensed Spectrum
Kangjin Yoon, Taejun Park, Jihoon Kim, Weiping Sun, Sunwook Hwang, Ingab Kang, and Sunghyun Choi
[IEEE ICTC 2017] Channel Switching Operation of LTE-LAA in Unlicensed Spectrum
Sunwook Hwang, Kangjin Yoon, and Sunghyun Choi

Intellectual Properties

- Patents

Method for transmission resource allocation based on transmission resource prediction via V2V communication and apparatus for performing the method
Jin Mo Yang, Saewoong Bahk, Hoyoung Yoon, Sunwook Hwang
Korean Patent 10-2698048-0000, Aug. 2024.
Semi-supervised learning method for object detection in autonomous vehicle and server for performing semi-supervised learning for object detection in autonomous vehicle
Sunwook Hwang, Youngseok Kim, Saewoong Bahk, and Hyung-sin Kim
US 11,495,012, Nov. 2022.
Korean Patent 10-23-402, Apr. 2022.
Apparatus and method for using multiple carriers in wireless communication system
Byounghoon Jung, Jihoon Kim, Sunghyun Choi, Seung-Hoon Park, Jungsoo Jung, Taejun Park, Kangjin Yoon, Jaehong Yi, Sunwook Hwang
US 11,330,585 B2, May 2022.
Method and apparatus for communication between vehicles and apparatus for using the same
Sunwook Hwang, Seongwon Kim, Hoyoung Yoon, Byungjun Kim, Sunghyun Choi, and Saewoong Bahk
US 11,032,682 B2, June, 2021.
Korean Patent 10-1975759, Apr. 2019.
Method, apparatus and computer readable record media for collision-aware link adaptation through clustering
Kangjin Yoon, Sunwook Hwang, and Sunghyun Choi
Korean Patent 10-2099376, Apr. 2020.
Method and apparatus for message relaying
Seungil Park, Sunwook Hwang, Hoyoung Yoon, Byungjun Kim, and Sunghyun Choi
PCT/KR2019/008328, July 2019.
Korean Patent 10-1935230, Dec. 2018.
Method, apparatus and computer readable record media for sharing radio resource on unlicensed band
Kangjin Yoon, Sunwook Hwang, Taejun Park, Jihoon Kim, and Sunghyun Choi
Korean Patent 10-1865390, May 2018.
Apparatus and method for operating a plurality of carriers in wireless communication system
Byounghoon Jung, Jihoon Kim, Sunghyun Choi, Seunghoon Park, Jungsoo Jung, Jaehong Yi, Kangjin Yoon, and Sunwook Hwang
Korean Patents Application 10-2017-0111389, filed Aug. 2017, Patent Pending.

- Software Intellectual Properties

LAA Channel Occupancy Time Adaptation Algorithm for fair coexistence with WLAN
Kangjin Yoon, Sunwook Hwang, Taejun Park, Jihoon Kim, and Sunghyun Choi
Korea Copyright Commission C-2017-024231, Oct. 2017.
WLAN Saturation Detection Algorithm
Kangjin Yoon, Sunwook Hwang, Taejun Park, Jihoon Kim, and Sunghyun Choi
Korea Copyright Commission C-2017-000564, Jan. 2017.

Research Projects

Research on distributed learning and extended-vision based 3D object detection model for autonomous driving in 5G networks
National Research Foundation grant funded by the Korea government (MSIT), 2020-2023.
Research and Education for Integrated Technology of 5G/Autonomous Vehicles
5G Unmanned Vehicle Research Center funded by the Institute for Information & Communications Technology Promotion, 2018-2019.
Dual Interface Synchronized Hybrid V2X Research by Simulation
LG Electronics, 2018.
Spectrum Sensing and Future Radio Communication Platforms
Institute for Information & communications Technology Promotion grant funded by the Ministry of Science, ICT and Future Planning (MSIP) of the Republic of Korea, 2016–2017.

Professional Activities

- Reviewer

International Journal
- IEEE Transactions on Vehicular Technology (TVT)
- IEEE Transactions on Cognitive Communications and Networking (TCCN)
International Conferences
- IEEE Wireless Communications and Networking Conference (WCNC) 2020
- IEEE Wireless Communications and Networking Conference (WCNC) 2019
- IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks (WoWMoM) 2019

Tutorials

Tutorial on “Wired LAN in ns-3” at 2019 KICS ns-3 lecture, Feb. 2019.
Tutorial on “Low-Level Tracing and TCP/UDP/IP in ns-3” at 2019 KICS ns-3 lecture, Feb. 2019.
Tutorial on “Low-Level Tracing and TCP/UDP/IP in ns-3” at 2018 KICS ns-3 lecture, Feb. 2018.