Jaehyeon Park (Master Graduate Student)

Master Candidate.
AI-Embedded System/Software on Chip (AI-SoC) Platform Lab
School of Electronics Engineering
IT-1, no. 724, Kyungpook National University
Daehak-ro 80, Buk-gu, Daegu, Republic of Korea
Phone: +82 053 940 8648
E-mail: nb1512 [@] naver [DOT] com
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Repository Commit History

Introduction

Full Bio Sketch

Mr. Park received his B.S. degree in Embedded System Engineering at Daegu University, Republic of Korea in 2021. He is currently a master course student in Convergence Software at Kyungpook National University, Daegu, Republic of Korea. His research interests span from research on object detection speed when changing camera format of input video on embedded board and research on knowing the distance by determining depth information with a monocular camera.

Research Topic

Real-time Control Performance during OTA Updates using Multi-core and DMA Priority Strategies

This study addresses the challenge of ensuring real-time control performance during Over-the-Air (OTA) updates in Software-Defined Vehicles (SDVs). OTA updates provide critical advantages for maintenance and security but can cause contention for shared resources such as CPU, system buses, and DMA channels, potentially disturbing safety-critical tasks like braking and steering. To mitigate this, the proposed strategy distributes tasks across multiple cores(Core 2 for control, Core 1 for sensor acquisition, and Core 0 for OTA operations)while assigning high DMA priority to sensor transfers and low priority to OTA flash programming. OTA data is managed in small blocks to reduce bus contention and allow localized retransmissions in case of errors. This approach significantly lowers CPU load, eliminates jitter in control loops, and improves reliability, making it suitable for future SDV architectures. Mathematical analysis confirms that this approach significantly lowers CPU load, eliminates jitter in control loops, and improves reliability, making it suitable for future SDV architectures. Future work will experimentally validate these theoretical results in a virtual ECU environment.

Publications

Journal Publications

Conference Publications (Intl. 1)

Jaehyun Park and Daejin Park. Real-time Control Performance during OTA Updates using Multi-core and DMA Priority Strategies In IEEE Conference on Dependable and Secure Computing (DSC 2025), 2025.

Participation in International Conference

IEEE DSC 2025, Taipei, Taiwan

Last Updated, 2025.09.09