1. Department of Electronic Engineering; Inha University; 253 YongHyun-dong Nam-gu Incheon 402-751 Republic of Korea
2. Mobile Communications, LG Electronics; 51, Gasan digital 1-ro Geumcheon-gu Seoul 153-802 Republic of Korea
3. Information and Communication Engineering; KEIT; 701-7 Yeoksam-dong Gangnam-gu Seoul 135-080 Republic of Korea
4. Department of Information and Communications Engineering; Chodang University; 429 SungNam-li, Muan-eup Muan-gun Cheon-nam 534-800 Republic of Korea