Affiliation: | 1.Department of Electronic Engineering, Andong National University, 1375 Gyeongdong-ro, Andong-si, Gyeongsangbuk-do, 36729, Korea ;2.Busan Regional Industry Evaluation Agency, Dongnam Institute for Regional Program Evaluation, Busan, 47046, Korea ;3.Department of Information and Communications Engineering, Pukyong National University, 45 Yongso-ro, Nam-gu, Busan, 48513, Korea ; |