sustainability Article An Admission Control Mechanism for 5G LWA Rojeena Bajracharya ID , Rakesh Shrestha ID and Sung Won Kim * ID Department of Information and Communication Engineering, Yeungnam University, Gyeongsan si 38541, Korea; rojeena@ynu.ac.kr (R.B.); rakez_shre@ynu.ac.kr (R.S...