1. Sungkyunkwan University, Department of Electrical and Computer Engineering, 2066 Seobu-ro, Jangan-gu, Suwon 16419, Republic of KoreabSamsung Electronics, San #16, Banwol-dong, Hwasung 445-701, Republic of Korea
2. Sungkyunkwan University, Department of Electrical and Computer Engineering, 2066 Seobu-ro, Jangan-gu, Suwon 16419, Republic of Korea