During his master course, his researches were focused on digital VLSI Testing. After receiving master degree, he has designed several driver ICs for motor & actuator and LCD backlight systems in Samsung Electromechanics.
Due to the increasing complexity in multimedia, mobile, and network computing systems in many-core era, high performance and low cost implementations should be achieved. In addition, there are many algorithmic and optimization problems that are deserved attention. Therefore, during Ph.D. course, his research interests have revolved around high-performance embedded & parallel systems and algorithm & optimizations. For the achievements in the embedded & parallel systems, he has researched several topics about algorithm and techniques for enhancing networking performance, multiprocessor system design, reconfigurable computing, deep packet inspection, and video signal coprocessor. In addition, meta-heuristics and real-time task scheduling approaches have been researched. After receiving Ph.D. degree, he worked in the field of flash memory controller design in Samsung Electronics. Especially, IO design and mixed-signal circuit design/implementation had been researched under his work in Samsung Electronics. After getting job in Dankook university, he had great interests and performed basic researches in Bayesian circuit and energy-aware techniques.