Affiliation: | aDepartment of Electrical Engineering, Korea Advanced Institute of Science and Technology, 373-1 Kusung-Dong, Yusung-Gu, Taejon, South Korea.;bDept. of Electronic Engineering Seokyeong University, 16-1 Jungneung-Dong, Sungbuk-ku, Seoul, Korea.;cLG Innotek Co., Ltd., 148-1 Mabuk-ri, Gusung-myun, Yongin-shi, Kyunggi-do, South Korea. |